Updated on 2025/09/01

写真a

 
YAMAOKA Kazutaka
 
Organization
Institute for Space-Earth Environmental Research Center for Orbital and Suborbital Research Associate Professor
Title
Associate Professor
Contact information
メールアドレス

Degree 1

  1. Doctor(Science) ( 2001.3   The University of Tokyo ) 

Research Interests 5

  1. Micro-satellite

  2. 検出器開発

  3. Sun. Gamma-ray Burst

  4. Detector development

  5. Black hole

Research Areas 2

  1. Natural Science / Astronomy  / X-ray Astronomy

  2. Natural Science / Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics  / Cosmic-ray Physics

Current Research Project and SDGs 4

  1. 国際宇宙ステーション実験CALETガンマ線バーストモニタの開発

  2. Development of solar neutron detectors for micro-satelluite

  3. 国際宇宙ステーション実験CALETによるガンマ線バーストの観測および重力波対応天体の探査

  4. X線観測によるブラックホール候補天体の状態遷移とジェットとの関係の研究

Research History 7

  1. Nagoya University   Institute for Space-Earth Environmental Research Center for Orbital and Suborbital Research   Designated Associate Professor

    2022.4

  2. Nagoya University   Institute of Materials and Systems for Sustainability Advanced Measurement Technology Center (AMTC) Elementary Particle Measurements Section   Designated Associate Professor

    2021.11 - 2022.3

  3. Nagoya University   Institute for Space-Earth Environmental Research Center for Orbital and Suborbital Research   Designated Associate Professor

    2018.11 - 2021.10

  4. Nagoya University   Graduate School of Science Division of Particle and Astrophysical Sciences   Designated Associate Professor

    2013.3 - 2018.10

  5. 青山学院大学理工学部   物理数理学科   助教

    2007.4 - 2012.3

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    Country:Japan

  6. 青山学院大学理工学部   物理数理学科   助手

    2003.4 - 2007.3

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    Country:Japan

  7. 理化学研究所   牧島宇宙放射線研究室   協力研究員

    2001.4 - 2003.3

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    Country:Japan

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Education 3

  1. The University of Tokyo   Graduate School, Division of Science

    1999.4 - 2001.3

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    Country: Japan

  2. The University of Tokyo   Graduate School, Division of Science

    1996.4 - 1998.3

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    Country: Japan

  3. The University of Tokyo   Faculty of Science

    1991.4 - 1996.3

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    Country: Japan

Professional Memberships 3

  1. The Physical Society of Japan

  2. The Astronomical Society of Japan

  3. 日本地球惑星科学連合

 

Papers 135

  1. Charge-Sign Dependent Cosmic-Ray Modulation Observed with the Calorimetric Electron Telescope on the International Space Station

    Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W. R., Bongi M., Brogi P., Bruno A., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., de Nolfo G. A., Ebisawa K., Ficklin A. W., Fuke H., Gonzi S., Guzik T. G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H. S., Krizmanic J. F., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori M., Mori N., Motz H. M., Munakata K., Nakahira S., Nishimura J., Okuno S., Ormes J. F., Ozawa S., Pacini L., Papini P., Rauch B. F., Ricciarini S. B., Sakal K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W. V.

    PHYSICAL REVIEW LETTERS   Vol. 130 ( 21 ) page: 211001   2023.5

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Physical Review Letters  

    We present the observation of a charge-sign dependent solar modulation of galactic cosmic rays (GCRs) with the Calorimetric Electron Telescope onboard the International Space Station over 6 yr, corresponding to the positive polarity of the solar magnetic field. The observed variation of proton count rate is consistent with the neutron monitor count rate, validating our methods for determining the proton count rate. It is observed by the Calorimetric Electron Telescope that both GCR electron and proton count rates at the same average rigidity vary in anticorrelation with the tilt angle of the heliospheric current sheet, while the amplitude of the variation is significantly larger in the electron count rate than in the proton count rate. We show that this observed charge-sign dependence is reproduced by a numerical "drift model"of the GCR transport in the heliosphere. This is a clear signature of the drift effect on the long-term solar modulation observed with a single detector.

    DOI: 10.1103/PhysRevLett.130.211001

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  2. Simulation study of pulse height difference between pixel patterns of X-ray CCDs onboard the XRISM satellite

    Aoki Y., Nobukawa K.K., Ito Y., Nobukawa , Kanemaru , Miyazaki K., Kusunoki K., Mori K., Yoneyama T., Tamba T., Tomida H., Nakajima H., Matsumoto H., Noda H., Hayashida K., Tsuru T.G., Uchida H., Tanaka T., Suzuki H., Yoshida T., Murakami H., Yamauchi M., Hatsukade I., Hagino K., Kohmura T., Kobayashi S.B., Hiraga J.S., Uchiyama H., Yamaoka K., Ozaki M., Dotani T., Tsunemi H.

    Proceedings of Science   Vol. 420   2023.5

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Proceedings of Science  

    We have developed a soft X-ray telescope system Xtend onboard Japan's new X-ray astronomical satellite XRISM. Xtend employs X-ray CCDs, which have basically the same design as those used in the previous X-ray astronomical satellite Hitomi. Monochromatic X-ray line spectra of the CCDs onboard Hitomi showed offsets of centroids between different pixel patterns or different good grades; the spectral centroids of charge-sharing events are higher than those of single-pixel events. The spectral offset, which we call “Goffset”, can cause large uncertainties in X-ray energy determination accuracy. In this paper, confirming the CCDs onboard XRISM also have Goffset, we performed a simulation study that takes into account the two factors; charge sharing and readout noise. Goffset of the flight model CCD is successfully reproduced by the simulation with a certain readout noise. We investigate how charge sharing and readout noise cause Goffset based on the simulation results.

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  3. Direct Measurement of the Cosmic-Ray Helium Spectrum from 40 GeV to 250 TeV with the Calorimetric Electron Telescope on the International Space Station

    Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W. R., Bongi M., Brogi P., Bruno A., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., de Nolfo G. A., Ebisawa K., Ficklin A. W., Fuke H., Gonzi S., Guzik T. G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H. S., Krizmanic J. F., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori M., Mori N., Motz H. M., Munakata K., Nakahira S., Nishimura J., Okuno S., Ormes J. F., Ozawa S., Pacini L., Papini P., Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W. V

    PHYSICAL REVIEW LETTERS   Vol. 130 ( 17 ) page: 171002   2023.4

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Physical Review Letters  

    We present the results of a direct measurement of the cosmic-ray helium spectrum with the CALET instrument in operation on the International Space Station since 2015. The observation period covered by this analysis spans from October 13, 2015, to April 30, 2022 (2392 days). The very wide dynamic range of CALET allowed for the collection of helium data over a large energy interval, from ∼40 GeV to ∼250 TeV, for the first time with a single instrument in low Earth orbit. The measured spectrum shows evidence of a deviation of the flux from a single power law by more than 8σ with a progressive spectral hardening from a few hundred GeV to a few tens of TeV. This result is consistent with the data reported by space instruments including PAMELA, AMS-02, and DAMPE and balloon instruments including CREAM. At higher energy we report the onset of a softening of the helium spectrum around 30 TeV (total kinetic energy). Though affected by large uncertainties in the highest energy bins, the observation of a flux reduction turns out to be consistent with the most recent results of DAMPE. A double broken power law is found to fit simultaneously both spectral features: the hardening (at lower energy) and the softening (at higher energy). A measurement of the proton to helium flux ratio in the energy range from 60 GeV/n to about 60 TeV/n is also presented, using the CALET proton flux recently updated with higher statistics.

    DOI: 10.1103/PhysRevLett.130.171002

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  4. Cosmic-Ray Boron Flux Measured from 8.4 GeV/n to 3.8 TeV/n with the Calorimetric Electron Telescope on the International Space Station

    Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W. R., Bongi M., Brogi P., Bruno A., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., de Nolfo G. A., Ebisawa K., Ficklin A. W., Fuke H., Gonzi S., Guzik T. G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israe M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H. S., Krizmanic J. F., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori M., Mori N., Motz H. M., Munakata K., Nakahira S., Nishimura J., Okuno S., Ormes J. F., Ozawa S., Pacini L., Papini P., Rauch B. F., Ricciarini B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W. V

    PHYSICAL REVIEW LETTERS   Vol. 129 ( 25 ) page: 251103   2022.12

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Physical Review Letters  

    We present the measurement of the energy dependence of the boron flux in cosmic rays and its ratio to the carbon flux in an energy interval from 8.4 GeV/n to 3.8 TeV/n based on the data collected by the Calorimetric Electron Telescope (CALET) during ∼6.4 yr of operation on the International Space Station. An update of the energy spectrum of carbon is also presented with an increase in statistics over our previous measurement. The observed boron flux shows a spectral hardening at the same transition energy E0∼200 GeV/n of the C spectrum, though B and C fluxes have different energy dependences. The spectral index of the B spectrum is found to be γ=-3.047±0.024 in the interval 25<E<200 GeV/n. The B spectrum hardens by ΔγB=0.25±0.12, while the best fit value for the spectral variation of C is ΔγC=0.19±0.03. The B/C flux ratio is compatible with a hardening of 0.09±0.05, though a single power-law energy dependence cannot be ruled out given the current statistical uncertainties. A break in the B/C ratio energy dependence would support the recent AMS-02 observations that secondary cosmic rays exhibit a stronger hardening than primary ones. We also perform a fit to the B/C ratio with a leaky-box model of the cosmic-ray propagation in the Galaxy in order to probe a possible residual value λ0 of the mean escape path length λ at high energy. We find that our B/C data are compatible with a nonzero value of λ0, which can be interpreted as the column density of matter that cosmic rays cross within the acceleration region.

    DOI: 10.1103/PhysRevLett.129.251103

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  5. Simultaneous radio and optical polarimetry of GRB 191221B afterglow

    Urata Yuji, Toma Kenji, Covino Stefano, Wiersema Klaas, Huang Kuiyun, Shimoda Jiro, Kuwata Asuka, Nagao Sota, Asada Keiichi, Nagai Hiroshi, Takahashi Satoko, Chung Chao-En, Petitpas Glen, Yamaoka Kazutaka, Izzo Luca, Fynbo Johan, de Ugarte Postigo Antonio, Arabsalmani Maryam, Tashiro Makoto

    NATURE ASTRONOMY   Vol. 7 ( 1 ) page: 80 - 87   2022.12

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Nature Astronomy  

    Gamma-ray bursts (GRBs) are the most luminous transients in the universe and are utilized as probes of early stars, gravitational wave counterparts and collisionless shock physics. In spite of studies on polarimetry of GRBs in individual wavelengths that characterized intriguing properties of prompt emission and afterglow, no coordinated multi-wavelength measurements have yet been performed. Here we report the first coordinated simultaneous polarimetry in the optical and radio bands for the afterglow associated with the typical long GRB 191221B. Our observations successfully caught the radio emission, which is not affected by synchrotron self-absorption, and show that the emission is depolarized in the radio band compared with the optical one. Our simultaneous polarization angle measurement and temporal polarization monitoring indicate the existence of cool electrons that increase the estimate of jet kinetic energy by a factor of more than 4 for this GRB afterglow. Further coordinated multi-wavelength polarimetric campaigns would improve our understanding of the total jet energies and magnetic field configurations in the emission regions of various types of GRBs, which are required to comprehend the mass scales of their progenitor systems and the physics of collisionless shocks.

    DOI: 10.1038/s41550-022-01832-7

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  6. Observation of Spectral Structures in the Flux of Cosmic-Ray Protons from 50 GeV to 60 TeV with the Calorimetric Electron Telescope on the International Space Station

    Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W. R., Bongi M., Brogi P., Bruno A., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., Ebisawa K., Ficklin A. W., Fuke H., Gonzi S., Guzik T. G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H. S., Krizmanic J. F., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori M., Mori N., Motz H. M., Munakata K., Nakahira S., Nishimura J., de Nolfo G. A., Okuno S., Ormes J. F., Ozawa S., Pacini L., Papini P., Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W. V

    PHYSICAL REVIEW LETTERS   Vol. 129 ( 10 ) page: 101102   2022.9

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Physical Review Letters  

    A precise measurement of the cosmic-ray proton spectrum with the Calorimetric Electron Telescope (CALET) is presented in the energy interval from 50 GeV to 60 TeV, and the observation of a softening of the spectrum above 10 TeV is reported. The analysis is based on the data collected during ∼6.2 years of smooth operations aboard the International Space Station and covers a broader energy range with respect to the previous proton flux measurement by CALET, with an increase of the available statistics by a factor of ∼2.2. Above a few hundred GeV we confirm our previous observation of a progressive spectral hardening with a higher significance (more than 20 sigma). In the multi-TeV region we observe a second spectral feature with a softening around 10 TeV and a spectral index change from -2.6 to -2.9 consistently, within the errors, with the shape of the spectrum reported by DAMPE. We apply a simultaneous fit of the proton differential spectrum which well reproduces the gradual change of the spectral index encompassing the lower energy power-law regime and the two spectral features observed at higher energies.

    DOI: 10.1103/PhysRevLett.129.101102

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  7. CALET Search for Electromagnetic Counterparts of Gravitational Waves during the LIGO/Virgo O3 Run

    Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W. R., Bongi M., Brogi P., Bruno A., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., Ebisawa K., Ficklin A. W., Fuke H., Gonzi S., Guzik T. G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H. S., Krizmanic J. F., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori M., Mori N., Motz H. M., Munakata K., Nakahira S., Nishimura J., de Nolfo G. A., Okuno S., Ormes J. F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W. V.

    ASTROPHYSICAL JOURNAL   Vol. 933 ( 1 )   2022.7

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Astrophysical Journal  

    The CALorimetric Electron Telescope (CALET) on the International Space Station consists of a high-energy cosmic-ray CALorimeter (CAL) and a lower-energy CALET Gamma-ray Burst Monitor (CGBM). CAL is sensitive to electrons up to 20 TeV, cosmic-ray nuclei from Z = 1 through Z ∼40, and gamma rays over the range 1 GeV-10 TeV. CGBM observes gamma rays from 7 keV to 20 MeV. The combined CAL-CGBM instrument has conducted a search for gamma-ray bursts (GRBs) since 2015 October. We report here on the results of a search for X-ray/gamma-ray counterparts to gravitational-wave events reported during the LIGO/Virgo observing run O3. No events have been detected that pass all acceptance criteria. We describe the components, performance, and triggering algorithms of the CGBM - the two Hard X-ray Monitors consisting of LaBr3(Ce) scintillators sensitive to 7 keV-1 MeV gamma rays and a Soft Gamma-ray Monitor BGO scintillator sensitive to 40 keV-20 MeV - and the high-energy CAL consisting of a charge detection module, imaging calorimeter, and the fully active total absorption calorimeter. The analysis procedure is described and upper limits to the time-averaged fluxes are presented.

    DOI: 10.3847/1538-4357/ac6f53

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  8. CALET on the International Space Station: a precise measurement of the iron spectrum

    Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Cannady N., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Ficklin A.W., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H.S., Krizmanic J.F., Maestro P., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B.F., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 398   2022.5

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Proceedings of Science  

    The Calorimetric Electron Telescope (CALET) was launched on the International Space Station in 2015 and since then has collected a large sample of cosmic-ray charged particles over a wide energy. Thanks to a couple of layers of segmented plastic scintillators placed on top of the detector, the instrument is able to identify the charge of individual elements from proton to iron (and above). The imaging tungsten scintillating fiber calorimeter provides accurate particle tracking and the lead tungstate homogeneous calorimeter can measured the energy with a wide dynamic range. One of the CALET scientific objectives is to measure the energy spectra of cosmic rays to shed light on their acceleration and propagation in the Galaxy. By the observation in first five years, a precise measurement of the iron spectrum is now available in the range of kinetic energy per nucleon from 10 GeV/n to 2 TeV/n. The CALET's result with a description of the analysis and details on systematic uncertainties will be illustrated. Also, a comparison with previous experiments' results is given.

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  9. The Second Catalog of Interplanetary Network Localizations of Konus Short-duration Gamma-Ray Bursts

    Svinkin D. S., Hurley K., Ridnaia A. V, Lysenko A. L., Frederiks D. D., Golenetskii S. V, Tsvetkova A. E., Ulanov M. V, Kokomov A., Cline T. L., Mitrofanov I, Golovin D., Kozyrev A., Litvak M., Sanin A., Goldstein A., Briggs M. S., Wilson-Hodge C., Burns E., von Kienlin A., Zhang X-L, Rau A., Savchenko V, Bozzo E., Ferrigno C., Barthelmy S., Cummings J., Krimm H., Palmer D. M., Tohuvavohu A., Yamaoka K., Ohno M., Fukazawa Y., Hanabata Y., Takahashi T., Tashiro M., Terada Y., Murakami T., Makishima K., Boynton W., Fellows C. W., Harshman K. P., Enos H., Starr R., Goldsten J., Gold R., Ursi A., Tavani M., Bulgarelli A., Casentini C., Del Monte E., Evangelista Y., Galli M., Longo F., Marisaldi M., Parmiggiani N., Pittori C., Romani M., Verrecchia F., Smith D. M., Hajdas W., Xiao S., Cai C., Yi Q. B., Zhang Y. Q., Xiong S. L., Li X. B., Huang Y., Li C. K., Zhang S. N., Song L. M., Liu C. Z., Li X. Q., Peng W. X., Martinez-Castellanos I

    ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES   Vol. 259 ( 2 )   2022.4

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Astrophysical Journal, Supplement Series  

    We present the catalog of InterPlanetary Network (IPN) localizations for 199 short-duration gamma-ray bursts (sGRBs) detected by the Konus-Wind (KW) experiment between 2011 January 1 and 2021 August 31, which extends the initial sample of IPN-localized KW sGRBs to 495 events. We present the most comprehensive IPN localization data on these events, including probability sky maps in Hierarchical Equal Area isoLatitude Pixelization format.

    DOI: 10.3847/1538-4365/ac4607

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  10. Direct Measurement of the Nickel Spectrum in Cosmic Rays in the Energy Range from 8.8 GeV/n to 240 GeV/n with CALET on the International Space Station

    Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W. R., Bongi M., Brogi P., Bruno A., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., Ebisawa K., Ficklin A. W., Fuke H., Gonzi S., Guzik T. G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H. S., Krizmanic J. F., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori M., Mori N., Motz H. M., Munakata K., Nakahira S., Nishimura J., de Nolfo G. A., Okuno S., Ormes J. F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W. V

    PHYSICAL REVIEW LETTERS   Vol. 128 ( 13 )   2022.4

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Physical Review Letters  

    The relative abundance of cosmic ray nickel nuclei with respect to iron is by far larger than for all other transiron elements; therefore it provides a favorable opportunity for a low background measurement of its spectrum. Since nickel, as well as iron, is one of the most stable nuclei, the nickel energy spectrum and its relative abundance with respect to iron provide important information to estimate the abundances at the cosmic ray source and to model the Galactic propagation of heavy nuclei. However, only a few direct measurements of cosmic-ray nickel at energy larger than ∼3 GeV/n are available at present in the literature, and they are affected by strong limitations in both energy reach and statistics. In this Letter, we present a measurement of the differential energy spectrum of nickel in the energy range from 8.8 to 240 GeV/n, carried out with unprecedented precision by the Calorimetric Electron Telescope (CALET) in operation on the International Space Station since 2015. The CALET instrument can identify individual nuclear species via a measurement of their electric charge with a dynamic range extending far beyond iron (up to atomic number Z=40). The particle's energy is measured by a homogeneous calorimeter (1.2 proton interaction lengths, 27 radiation lengths) preceded by a thin imaging section (3 radiation lengths) providing tracking and energy sampling. This Letter follows our previous measurement of the iron spectrum [1O. Adriani (CALET Collaboration), Phys. Rev. Lett. 126, 241101 (2021).PRLTAO0031-900710.1103/PhysRevLett.126.241101], and it extends our investigation on the energy dependence of the spectral index of heavy elements. It reports the analysis of nickel data collected from November 2015 to May 2021 and a detailed assessment of the systematic uncertainties. In the region from 20 to 240 GeV/n our present data are compatible within the errors with a single power law with spectral index -2.51±0.07.

    DOI: 10.1103/PhysRevLett.128.131103

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  11. The analysis strategy for the measurement of the electron flux with CALET on the International Space Station

    Berti E., Gonzi S., Pacini L., Akaike Y., Adriani O., Akaike Y., Asano K., Asaoka Y., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Cannady N., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Ficklin A.W., Fuke H., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H.S., Krizmanic J.F., Maestro P., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B.F., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 395   2022.3

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    The CALorimetric Electron Telescope (CALET), operating aboard the International Space Station since October 2015, is an experiment dedicated to high-energy astroparticle physics. The primary scientific goal of the experiment is the measurement of the electron+positron flux up to the multi-TeV region, which can provide unique information on the presence of nearby astrophysical sources and possible signals from dark matter. Other important goals are the ones relative to the flux of nuclear species from proton to iron up to tens of TeV/nucleon and to gamma-ray astronomy up to a few TeV. In order to accomplish these tasks, the CALET instrument was carefully designed exploiting a calorimeter solution composed by three detectors: CHarge Detector (CHD), IMaging Calorimeter (IMC) and Total AbSorption Calorimeter (TASC). This geometry allows for an excellent electromagnetic shower energy resolution (2%), a very high proton rejection factor (105) and a relatively large geometric factor (0.1 m2sr). In this contribution, we present the analysis strategy employed for the measurement of the electron+positron flux, which is divided in two main steps. The first step consists of a group of selections to obtain a sample of well reconstructed candidates, removing particles outside the detector acceptance and particles with a charge Z>1, while keeping a high selection efficiency for electrons. The second step consists of a final rejection to remove the residual proton background: this is the most crucial point of the analysis since in cosmic rays protons are more abundant than electrons by a factor 100-1000. Proton rejection is performed using two different methodologies. We will demonstrate that, at low energies, it is enough to use a simple single cut that makes use of the reconstructed longitudinal and lateral profile, whereas, at high energies, it is necessary to use a more powerful cut that combines all detector information by the use of a multivariate analysis technique. Finally, we will show that this rejection algorithm leads to very stable performances at all energies, strongly reducing the impact of the associated uncertainty, which is the main source of systematic uncertainty in the high energy region.

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  12. Energy spectra of carbon and oxygen cosmic rays with CALET on the International Space Station

    Maestro P., Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Cannady N., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Ficklin A.W., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H.S., Krizmanic J.F., Link J., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B.F., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 395   2022.3

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    We present the measurements of the energy spectra of carbon and oxygen nuclei in cosmic rays based on 4 years of observation with the Calorimetric Electron Telescope (CALET) on the International Space Station. The energy spectra are measured from 10 GeV/n to 2.2 TeV/n with an all calorimetric instrument with a total thickness corresponding to 1.3 nuclear interaction length and equipped with charge detectors capable of single element resolution. Data analysis, including the detailed assessment of systematic uncertainties, and results are reported. The observed carbon and oxygen fluxes show a spectral hardening around 200 GeV/n established with a significance > 3σ. They have the same energy dependence and a constant C/O flux ratio above 25 GeV/n. These measurements will contribute to a better understanding of the origin of the spectral hardening.

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  13. Extended measurement of the proton spectrum with CALET on the International Space Station

    Kobayashi K., Marrocchesi P.S., Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Cannady N., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Ficklin A.W., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kohri K., Krawczynski H.S., Krizmanic J.F., Maestro P., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B.F., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 395   2022.3

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    The Calorimetric Electron Telescope (CALET) is pursuing the direct measurement of the main components of high energy cosmic rays up to ∼ 1 PeV in order to understand the cosmic ray acceleration and propagation. The detector consisting of a charge detector, an imaging calorimeter, and a total absorption calorimeter, is located on the International Space Station. The thickness of the calorimeter corresponds to 30 radiation lengths and to ∼ 1.3 proton interaction lengths. We have taken data for more than five years so far: data taking has started in October 2015 and continues stably without any serious troubles. We present the latest result of proton spectrum analysis in the energy region from 30 GeV to 60 TeV with a fiducial geometrical factor of ∼ 510 cm2 sr and proton energy resolution is 30-40%. The residual background is less than 10% in the E < 10 TeV region. Compared to our previous result published in Physical Review Letters in 2019, more than two years of additional data have been analyzed. Spectral hardening around 500 GeV is confirmed with higher statistics. We report our preliminary observation of a proton spectral softening around 10 TeV.

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  14. Gamma-ray burst observation &amp; gravitational wave event follow-up with CALET on the International Space Station

    Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Cannady N., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Ficklin A.W., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H.S., Krizmanic J.F., Maestro P., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B.F., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 395   2022.3

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    The CALorimetric Electron Telescope (CALET) has been observing high-energy cosmic rays and gamma-rays on the International Space Station since October 2015. The CALET gamma-ray burst monitor (CGBM), mounted on CALET to observe prompt emissions of gamma-ray bursts (GRBs) in the hard X-ray and soft gamma-ray band, has been monitoring all-sky with ∼ 60 % duty cycle without any problems since October 2015. As of end May 2021, CGBM has detected 254 GRBs, including 31 short GRBs, thanks to the onboard trigger system. The Calorimeter (CAL), the primary instrument of CALET, has also collected gamma-ray data in the energy range from 1 GeV to 10 TeV while maintaining both instruments in good condition. We continue searching for high-energy gamma-rays from GRBs detected by CGBM, and have found two possible gamma-rays from GRBs. As described above, CALET can detect prompt emissions and high energy gammaray emission of GRBs. Therefore, we also have actively participated in the follow-up campaign for electromagnetic counterparts of the gravitational wave events observed by LIGO/Virgo since the operation start of the CALET. Although we have found no candidates of electromagnetic counterparts of the gravitational wave events, we have derived upper limits of the high-energy gamma-ray flux for 26 events in the LIGO/Virgo third observation run.

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  15. Investigating the Vela SNR’s Emission of Electron Cosmic Rays with CALET at the International Space Station

    Motz H., Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Cannady N., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Ficklin A.W., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H.S., Krizmanic J.F., Maestro P., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B.F., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 395   2022.3

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    The ISS-based Calorimetric Electron Telescope (CALET) is directly measuring the energy spectrum of electron+positron cosmic rays up to 20 TeV. Cosmic-ray electrons of TeV region energy are limited by energy loss to a propagation range of about 1 kpc, therefore the expected sources are a few nearby supernova remnants (SNR), with the Vela SNR dominating the spectrum [1]. The latest spectrum measured by CALET [2] in combination with the positron-only flux published by AMS-02 [3] is fitted with a comprehensive model including nearby pulsars as the source of the positron excess. This model is extended to the TeV region by addition of the flux from the Vela SNR as calculated with DRAGON, with the integrated energy emitted in electron cosmic rays by the SNR as a variable scale factor. Exploring various scenarios for the time and energy dependence of the cosmic-ray release from Vela, under varied propagation conditions, best-fitting interpretations of the spectrum and upper limits on the emission of cosmic-ray electrons by Vela have been derived.

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  16. Low-energy gamma-ray observations above 1 GeV with CALET on the International Space Station

    Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Cannady N., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Ficklin A.W., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H.S., Krizmanic J.F., Maestro P., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B.F., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 395   2022.3

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    The CALorimetric Electron Telescope (CALET) was launched in August 2015 and installed on the International Space Station (ISS) Japanese Experiment Module Exposed Facility. Alongside the primary science targets of GeV-TeV energy cosmic-ray electrons and cosmic-ray hadrons up to PeV energies, CALET is sensitive to gamma rays from 1 GeV up to 10 TeV, limited by statistics. Access to energies below 10 GeV is enabled by a dedicated low-energy gamma (LE-γ) trigger which is active only at low geomagnetic latitudes. In this work we review the analysis of gamma-ray events collected with this trigger including the mitigation of a secondary photon background from cosmic-ray interactions with ISS structures in the CALET field-of-view, the observation of persistent galactic and extragalactic sources, and the detection of emission from the quiescent Sun.

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  17. Measurement of the cosmic-ray secondary-to-primary ratios with CALET on the International Space Station

    Akaike Y., Maestro P., Adriani O., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Cannady N., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Ficklin A.W., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H.S., Krizmanic J.F., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B.F., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 395   2022.3

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    The CALorimetric Electron Telescope, CALET, has been measuring high-energy cosmic rays on the International Space Station since October 2015. One of the scientific objectives of the CALET mission is the precise measurements of the energy spectra of individual cosmic-ray nuclei and the energy dependence of secondary-to-primary abundance ratio to reveal the detail of the cosmic-ray acceleration and propagation in the Galaxy. The instrument, consisting of two layers of segmented plastic scintillators, a 3 radiation length thick tungsten-scintillating fiber imaging calorimeter, and a 27 radiation length thick PWO calorimeter, has capabilities to identify individual nuclei elements up to Z = 40 with excellent charge resolution and cover the wide energy range from 10 GeV to a PeV scale. Long-term observation with CALET for over five years of operation allows to investigate the TeV region of the secondary components. In this paper, the details about the analysis of boron spectrum and boron-to-carbon ratio and their preliminary results will be presented.

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  18. Measurement of the energy spectrum of cosmic-ray helium with CALET on the International Space Station

    Brogi P., Kobayashi K., Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Bruno A., Buckley J.H., Cannady N., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Ficklin A.W., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kohri K., Krawczynski H.S., Krizmanic J.F., Maestro P., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B.F., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 395   2022.3

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    The CALorimetric Electron Telescope (CALET) is a space instrument designed to carry out precision measurements of high energy cosmic-rays. It was installed onboard the International Space Station in August 2015 and since mid-October 2015 it is collecting data with excellent performance and no significant interruptions. The instrument consists of two layers of segmented plastic scintillators to identify the charge of individual elements from proton to iron, followed by a thick (30 X0 and ∼1.3 λI) calorimeter. It comprises a finely segmented imaging calorimeter (3 X0), providing accurate particle tracking and complementary charge measurement, and a total absorption (27 X0) homogeneous calorimeter. In addition to its primary science goal of identifying nearby sources of high-energy electrons and possible signatures of dark matter in the electron spectrum, CALET is carrying out measurements of the energy spectra, relative abundances and secondary-to-primary ratios of individual elements from proton to iron and above, in order to shed light on the mechanism of acceleration and propagation of cosmic rays in the Galaxy. Preliminary measurements of the energy spectrum of cosmic-ray helium, based on the first five years of collected data, will be presented and details of the analysis are given. The observations performed by CALET in the energy interval from a few GeV/n to the multi-TeV region show that the helium differential spectrum does not follow a simple power-law.

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  19. Measurement of the iron spectrum with CALET on the International Space Station

    Stolzi F., Checchia C., Akaike Y., Adriani O., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Cannady N., Castellini G., Cherry M.L., Collazuol G., Ebisawa K., Ficklin A.W., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H.S., Krizmanic J.F., Maestro P., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B.F., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 395   2022.3

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    The Calorimetric Electron Telescope (CALET), in operation on the International Space Station since 2015, has collected a large sample of cosmic-ray charged particles and gamma-rays over a wide energy interval. The instrument consists of two layers of segmented plastic scintillators to identify the charge of individual elements from proton to iron (and above), a thin imaging tungsten scintillating fiber calorimeter providing accurate particle tracking, and a lead-tungstate homogeneous calorimeter to measure energy. One of the scientific objectives of CALET is the direct measurement of the energy spectra of cosmic nuclei conveying important information on their acceleration and propagation in the Galaxy. Based on the first five years of CALET observation, CALET has measured the iron spectrum in the range of kinetic energy per nucleon from 10 GeV/n to 2.0 TeV/n. We present the CALET iron results, describe the analysis of the data and the detailed assessment of systematic uncertainties, and compare the CALET results with the findings of previous experiments.

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  20. Precise Measurement of the Cosmic-Ray Electron and Positron Spectrum with CALET on the International Space Station

    Torii S., Akaike Y., Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Cannady N., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Ficklin A.W., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H.S., Krizmanic J.F., Maestro P., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B.F., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 395   2022.3

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    Primary objectives of the CALET (CALorimetric Electron Telescope) mission are to search for possible nearby cosmic-ray sources and dark matter signatures with the precise measurement of the electron and positron (all-electron) spectrum. The instrument, consisting of a charge detector, an imaging calorimeter and a total absorption calorimeter, is optimized to measure the all-electron spectrum well into the TeV region with a thick calorimeter of 30 radiation length with fine shower-imaging capability. Due to the excellent energy resolution (a few % above 10 GeV) and the outstanding e/p separation (∼ 105), CALET achieves optimal performance for a detailed search for structures in the energy spectrum. CALET has been accumulating scientific data for more than five years without any major interruption, and the statistics of observed electron events has increased more than double since the latest publication in 2018. In this paper we will present precise measurements of the all-electron spectrum up to several TeV, as obtained with the high statistics data, and we will briefly discuss about its interpretation.

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  21. Relativistic Electron Precipitation Detections with CALET on the International Space Station

    Bruno A., Blum L., de Nolfo G.A., Ficklin A.W., Gregory Guzik T., Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Cannady N., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H.S., Krizmanic J.F., Maestro P., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B.F., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 395   2022.3

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    The CALorimetric Electron Telescope (CALET) is a high-energy astroparticle physics experiment installed on the International Space Station, and taking data since October 2015. While designed for studying the origin and the propagation of galactic cosmic rays, CALET is also able to provide a continuous monitoring of space-weather phenomena affecting the near-Earth environment, including solar energetic particle and relativistic electron precipitation (REP) events. In this work we present preliminary results of the REP observations made over a ∼4.5 year acquisition time (October 2015 - May 2020), investigating their correlations with the interplanetary and geomagnetic conditions. We also took advantage of a multi-spacecraft study using the twin Van Allen Probe measurements to complement CALET detections in low-Earth orbit, enabling a more complete picture of the global precipitation rates and drivers.

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  22. Solar Modulation During the Descending Phase of Solar Cycle 24 Observed with CALET on the International Space Station

    Miyake S., Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Cannady N., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Ficklin A.W., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H.S., Krizmanic J.F., Maestro P., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B.F., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 395   2022.3

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    The CALorimetric Electron Telescope (CALET) installed on the International Space Station has multiple event trigger modes for measuring cosmic-ray (CR) particles and gamma rays, and the observations of the low-energy CRs have been successfully performed by a Low-Energy Electron (LEE) shower trigger mode that is active only at high geomagnetic latitude. Here we have analyzed the low-energy electrons and protons to investigate the solar modulation during the descending phase of the solar cycle 24. We have confirmed that the flux of the low-energy electrons measured by CALET during the solar minimum has reached its maximum, which is comparable to or exceeding the maximum flux observed with PAMELA in the previous solar minimum period. We have also found count rates of electrons and protons at the same average rigidity showing a clear charge sign dependence as expected from the drift model of the solar modulation.

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  23. Solar Neutron and Gamma-ray Spectroscopy Mission: SONGS

    Kazutaka Yamaoka, Hiroyasu Tajima, Daiki Nobashi, Masaki Usami, Kikuko Miyata, Takaya Inamori, Ji Hyun Park, Kazuya Ito, Koji Matsushita, Toyoki Watabe, Kazuhiro Nakazawa, Satoshi Masuda, Hiromitsu Takahashi, Kyoko Watanabe

    Proceedings of Science   Vol. 395   2022.3

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    Fast neutrons generated by the interaction between ions and the solar atmosphere are important observation problems to clarify the ion acceleration mechanism in the Sun, but so far neutrons have been detected from only 12 X-class solar flares in the highland on the ground due to the influence of atmospheric absorption. As for observations in space, SEDA-AP at the International Space Station continued to operate until 2018 and succeeded in neutron detection from 52 solar flares, but there are currently no dedicated space missions. In order to overcome this situation, we have been designing and developing 3U CubeSat and novel neutron/gamma-ray sensors since 2018 with the aim of performing satellite observations from outer space. The sensor consists of the multi-layered plastic scintillator bars readout with Si PM, which is a semiconductor photo-sensor, and detects fast neutrons from the tracks of ejected protons by elastic scattering. Furthermore, by placing GAGG scintillator arrays at the bottom, it is designed to be sensitive to gamma-rays based on the principle of the Compton camera. In this presentation, we will report on the scientific motivation and the development status of CubeSat and neutron/gamma-ray sensors.

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  24. Ultra-Heavy Cosmic Ray Analysis with CALET on the International Space Station: Established and Developing Procedures

    Ficklin A.W., Cannady N., Rauch B.F., Zober W., Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H.S., Krizmanic J.F., Maestro P., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 395   2022.3

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    The CALorimetric Electron Telescope (CALET) has collected over 60 months of uninterrupted data on the flux and spectrum of the Ultra-Heavy (UH) cosmic rays from Z=30 to 40. Using the latest data provided from CALET’s UH trigger, we present a newly developed UH analysis complementary to the ongoing analysis presented at this conference by Zober et al. This work introduces a new Ultra-Heavy Analysis (UHA) dataset produced from CALET production data allowing for more streamlined analysis. We detail temporal and spatial correction algorithms using both the 26Fe and 14Si peaks to improve charge resolution in the Z >= 30 region. Additionally, this work presents a new method for removing the contributions from non-relativistic/lower-Z nuclei using trajectory tracing to compute effective cutoff rigidities in place of the previously used vertical Stoermer approximation. We show that replacing the approximated cutoffs with numerically calculated effective cutoff rigidities, calculated using the IGRF13 and T05 (Tsyganenko 05) geomagnetic field models, leads to fewer events being removed from the dataset while maintaining improved charge resolution for Z > 26. Furthermore, we introduce Tarle function peak fitting to perform charge corrections needed as a result of any quenching effects. We show the most recent CALET UH results incorporating these improvements in the analysis.

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  25. Progress on Ultra-Heavy Cosmic-Ray Analysis with CALET on the International Space Station

    Zober W.V., Rauch B.F., Ficklin A.W., Cannady N., Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H.S., Krizmanic J.F., Maestro P., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K.

    Proceedings of Science   Vol. 395   2022.3

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    The Calorimetric Electron Telescope (CALET), launched to the International Space Station in August 2015 and continuously operating since, measures cosmic-ray (CR) electrons, nuclei and gamma-rays. CALET utilizes its main calorimeter charge detector to measure CR nuclei from 1H to 40Zr. In order to maximize the acceptance of the rare ultra-heavy (UH) CR above 30Zn, a special high duty cycle (∼90%) UH trigger is used that does not require passage through the 27 radiation length deep Total Absorption Calorimeter (TASC). This provides a 6× increase in geometry factor allowing CALET to collect in 5 years a UHCR dataset with statistics comparable to those from the first flight of the balloon-borne SuperTIGER instrument but without the need for atmospheric corrections. Previous CALET UHCR analyses using time and position corrections based on 26Fe and a geomagnetic vertical cutoff rigidity selection have shown abundances of even nuclei in agreement with SuperTIGER. To further improve resolution and maximize statistics, a trajectory dependent geomagnetic rigidity selection has been employed here with further work being done to implement a Cash-Karp Runge-Kutta ray tracing method for an improved determination of effective cutoff rigidities. Additional work has also been done to analyze events from the smaller dataset of events that pass through the TASC, which provides energy information and a better charge assignment that will provide higher resolution UH measurements, albeit with lower statistics.

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  26. Xtend, the Soft X-ray Imaging Telescope for the X-ray Imaging and Spectroscopy Mission (XRISM)

    Mori Koji, Tomida Hiroshi, Nakajima Hiroshi, Okajima Takashi, Noda Hirofumi, Tanaka Takaaki, Uchida Hiroyuki, Hagino Kouichi, Kobayashi Shogo B., Suzuki Hiromasa, Yoshida Tessei, Murakami Hiroshi, Uchiyama Hideki, Nobukawa Masayoshi, Nobukawa Kumiko K., Yoneyama Tomokage, Matsumoto Hironori, Tsuru Takeshi G., Yamauchi Makoto, Hatsukade Isamu, Ishida Manabu, Maeda Yoshitomo, Hayashi Takayuki, Tamura Keisuke, Boissay-Malaquin Rozenn, Sato Toshiki, Hiraga Junko, Kohmura Takayoshi, Yamaoka Kazutaka, Dotani Tadayasu, Ozaki Masanobu, Tsunemi Hiroshi, Kanemaru Yoshiaki, Sato Jin, Takaki Toshiyuki, Terada Yuta, Miyazaki Keitaro, Kusunoki Kohei, Otsuka Yoshinori, Yokosu Haruhiko, Yonemaru Wakana, Asahina Yoh, Asakura Kazunori, Yoshimoto Marina, Ode Yuichi, Sato Junya, Hakamata Tomohiko, Aoyagi Mio, Aoki Yuma, Tsunomachi Shun, Doi Toshiki, Aoki Daiki, Fujisawa Kaito, Kitajima Masatoshi, Hayashida Kiyoshi

    SPACE TELESCOPES AND INSTRUMENTATION 2022: ULTRAVIOLET TO GAMMA RAY   Vol. 12181   2022

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    Xtend is a soft x-ray imaging telescope developed for the x-ray imaging and spectroscopy mission (XRISM). XRISM is scheduled to be launched in the Japanese fiscal year 2022. Xtend consists of the soft x-ray imager (SXI), an x-ray CCD camera, and the x-ray mirror assembly (XMA), a thin-foil-nested conically approximated Wolter-I optics. The SXI uses the P-channel, back-illuminated type CCD with an imaging area size of 31mm on a side. The four CCD chips are arranged in a 2×2 grid and can be cooled down to -120 °C with a single-stage Stirling cooler. The XMA nests thin aluminum foils coated with gold in a confocal way with an outer diameter of 45 cm. A pre-collimator is installed in front of the x-ray mirror for the reduction of the stray light. Combining the SXI and XMA with a focal length of 5.6m, a field of view of 38′ × 38′ over the energy range from 0.4 to 13 keV is realized. We have completed the fabrication of the flight model of both SXI and XMA. The performance verification has been successfully conducted in a series of sub-system level tests. We also carried out on-ground calibration measurements and the data analysis is ongoing.

    DOI: 10.1117/12.2626894

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  27. SOlar Neutron and Gamma-ray Spectroscopy Mission (SONGS)

    Kazutaka Yamaoka, Hiroyasu Tajima, Kikuko Miyata, Masaki Usami, Toyoki Watabe, Koji Matsushita, Kazuya Ito, Kazuhiro Nakazawa, Satoshi Masuda, Koichi Tani, Masaki Arai, Satoshi Hatori, Kyo Kume, Satoshi Mizushima, Hiromitsu Takahashi, Kyoko Watanabe

    Proceedings of SPIE - The International Society for Optical Engineering   Vol. 12181   2022

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    The SOlar Neutron and Gamma-ray Spectroscopy (SONGS) mission is a 3U cubesat dedicated for detecting neutrons and gamma-rays associated with intense solar flares. Solar neutron observations have not been in progress because ground-based observations are affected by attenuation in the Earth atmosphere, and there is no dedicated mission in space at present. Hence, we are now developing in collaboration between science and engineering people at universities, and preparing for launch around 2024 during the next solar maximum. The SONGS carries a novel radiation detector which consists of multi-layered plastic scintillator bars and GAGG(Ce) scintillator array so that it can determine energies for both neutrons and gamma-rays. In total 704 signals from Silicon photo-multipliers (SiPMs) are processed by 45 ASICs with very low power consumption, and realized within limited resources. In this presentation, we will describe scientific motivation, mission and instrument overview, and results from the bread-board model (BBM).

    DOI: 10.1117/12.2629131

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  28. Solar Neutron and Gamma-ray Detector for a 3U CubeSat

    Yamaoka K., Tajima H., Miyata K., Inamori T., Sasai Y., Kawahara H., Park J.H., Nakazawa K., Masuda S., Matsushita K., Itoh K., Nobashi D., Takahashi H., Watanabe K.

    Proceedings of Science   Vol. 358   2021.7

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    Solar neutron observations are very important on understanding of particle acceleration mechanism in the Sun. However, previous ground-based observations with large area telescope (∼10 m2)at high latitude are not sensitive to solar neutrons due to attenuation in the earth atmosphere and roughly 10 detection since its discovery in 1980. From space, the SEDA-AP instrument with much smaller area (100 cm2) onboard the International Space Station (ISS) monitored solar neutrons including charged particles, and successfully detected more than 30 detection since its launch in 2009. Unfortunately the SEDA-AP operation was stopped on March 2018. To overcome situation for no mission dedicated for solar neutrons, we have designed and developed a solar neutron and gamma-ray detector for a 3U cubesat with a size of 30×10×10 cm. Actually we launched the 50-kg class ChubuSat-2 satellite for solar neutron observations on February 2016, and have now been adjusting it to a 3U cubesat application. The solar neutron and gamma-ray detector consists of multi-layered plastic scintillator bars, and GAGG(Ce) scintillator array, and both of them are read out with silicon photo-multipliers (Si PMs). More than 600 signals from Si PMs are processed by ASICs. In this paper, we will describe details of the detector and performance of its breadboard model (BBM).

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  29. Measurement of the Iron Spectrum in Cosmic Rays from 10 GeV/n to 2.0 TeV/n with the Calorimetric Electron Telescope on the International Space Station

    Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W. R., Bongi M., Brogi P., Bruno A., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., Ebisawa K., Fuke H., Gonzi S., Guzik T. G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H. S., Krizmanic J. F., Link J., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori M., Mori N., Motz H. M., Munakata K., Nakahira S., Nishimura J., de Nolfo G. A., Okuno S., Ormes J. F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Stolzi F., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K.

    PHYSICAL REVIEW LETTERS   Vol. 126 ( 24 ) page: 241101   2021.6

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    The Calorimetric Electron Telescope (CALET), in operation on the International Space Station since 2015, collected a large sample of cosmic-ray iron over a wide energy interval. In this Letter a measurement of the iron spectrum is presented in the range of kinetic energy per nucleon from 10 GeV/n to 2.0 TeV/n allowing the inclusion of iron in the list of elements studied with unprecedented precision by space-borne instruments. The measurement is based on observations carried out from January 2016 to May 2020. The CALET instrument can identify individual nuclear species via a measurement of their electric charge with a dynamic range extending far beyond iron (up to atomic number Z=40). The energy is measured by a homogeneous calorimeter with a total equivalent thickness of 1.2 proton interaction lengths preceded by a thin (3 radiation lengths) imaging section providing tracking and energy sampling. The analysis of the data and the detailed assessment of systematic uncertainties are described and results are compared with the findings of previous experiments. The observed differential spectrum is consistent within the errors with previous experiments. In the region from 50 GeV/n to 2 TeV/n our present data are compatible with a single power law with spectral index -2.60±0.03.

    DOI: 10.1103/PhysRevLett.126.241101

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  30. Silicon photomultiplier (Si-PM) comparisons for low-energy gamma ray readouts with BGO and CsI (Tl) scintillators Reviewed International coauthorship

    Takahashi, Hiromitsu, Hirade, Naoyoshi, Uchida, Nagomi, Hirose, Kengo, Mizuno, Tsunefumi, Fukazawa, Yasushi, Yamaoka, Kazutaka, Tajima, Hiroyasu, Ohno, Masanori

    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT   Vol. 989   page: 164945 - 164945   2021.2

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    We studied herein the low-energy performances of three multi-pixel photon counters (MPPCs, silicon photo-multipliers, Si-PMs), namely, S13360-6050VE, S13360-6050CS, and S14160-6050HS, provided by Hamamatsu K.K. to read 1 cm(3) BGO and CsI (Tl) scintillators. S13360s had 1/4 lower dark currents, while S14160-6050HS had 25% higher quantum efficiency and 1.5x higher gain with a lower operational voltage. S13360-6050VE and S14160-6050HS were used for surface mounting, while S13360-6050CS was in a black ceramic case. We changed the overvoltage and found that the best performances are achieved at overvoltages of +4 V and +2.5 V for S13360s and S14160-6050HS, respectively. In the case of the BGO scintillator, S13360-6050VE obtained a lower threshold of 6 keV compared to 9 keV of S14160-6050HS. Both surface-mounting Si-PMs achieved an energy resolution of similar to 35% at 59.5 keV of the Am-241 source. The threshold and the energy resolution of S13360-6050CS were the worst, because the black case absorbed approximately half of the scintillation photons. The CsI (Tl) scintillator yielded a number of scintillation photons that was 6x higher than the BGO. The same trends were measured for the three MPPCs. This result is attributable to the lower threshold determined by the dark current, and the energy resolution mainly dominated by the statistical fluctuation of the scintillation photons.

    DOI: 10.1016/j.nima.2020.164945

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  31. Annealing of proton radiation damages in Si-PM at room temperature

    Hirade N.

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   Vol. 986   2021.1

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    DOI: 10.1016/j.nima.2020.164673

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  32. Performance evaluation of GAGG(Ce)/LFS scintillator + MPPC array readout with ASIC

      Vol. 986   2021.1

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    DOI: 10.1016/j.nima.2020.164811

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  33. Status of x-ray imaging and spectroscopy mission (XRISM)

    Makoto S. Tashiro, Hironori Maejima, Kenichi Toda, Richard L. Kelley, Lillian Reichenthal, Leslie Hartz, Robert Petre, Brian J. Williams, Matteo Guainazzi, Elisa Costantini, Ryuichi Fujimoto, Kiyoshi Hayashida, Joy Henegar-Leon, Matt Holland, Yoshitaka Ishisaki, Caroline Kilbourne, Mike Loewenstein, Kyoko Matsushita, Koji Mori, Takashi Okajima, F. Scott Porter, Gary Sneiderman, Yoh Takei, Yukikatsu Terada, Hiroshi Tomida, Hiroya Yamaguchi, Shin Watanabe, Hiroki Akamatsu, Yoshitaka Arai, Marc Audard, Hisamitsu Awaki, Iurii Babyk, Aya Bamba, Nobutaka Bando, Ehud Behar, Thomas Bialas, Rozenn Boissay-Malaquin, Laura Brenneman, Greg Brown, Edgar Canavan, Meng Chiao, Brian Comber, Lia Corrales, Renata Cumbee, Cor de Vries, Jan-Willem den Herder, Johannes Dercksen, Maria Diaz-Trigo, Michael DiPirro, Chris Done, Tadayasu Dotani, Ken Ebisawa, Megan Eckart, Dominique Eckert, Satoshi Eguchi, Teruaki Enoto, Yuichiro Ezoe, Carlo Ferrigno, Yutaka Fujita, Yasushi Fukazawa, Akihiro Furuzawa, Luigi Gallo, Nathalie Gorter, Martin Grim, Liyi Gu, Kouichi Hagino, Kenji Hamaguchi, Isamu Hatsukade, David Hawthorn, Katsuhiro Hayashi, Natalie Hell, Junko Hiraga, Edmund Hodges-Kluck, Takafumi Horiuchi, Ann Hornschemeier, Akio Hoshino, Yuto Ichinohe, Sayuri Iga, Ryo Iizuka, Manabu Ishida, Naoki Ishihama, Kumi Ishikawa, Kosei Ishimura, Tess Jaffe, Jelle Kaastra, Timothy Kallman, Erin Kara, Satoru Katsuda, Steven Kenyon, Mark Kimball, Takao Kitaguti, Shunji Kitamoto, Shogo Kobayashi, Akihide Kobayashi, Takayoshi Kohmura, Aya Kubota, Maurice Leutenegger, Muzi Li, Tom Lockard, Yoshitomo Maeda, Maxim Markevitch, Connor Martz, Hironori Matsumoto, Keiichi Matsuzaki, Dan McCammon, Brian McLaughlin, Brian McNamara, Joseph Miko, Eric Miller, Jon Miller, Kenji Minesugi, Shinji Mitani, Ikuyuki Mitsuishi, Misaki Mizumoto, Tsunefumi Mizuno, Koji Mukai, Hiroshi Murakami, Richard Mushotzky, Hiroshi Nakajima, Hideto Nakamura, Kazuhiro Nakazawa, Chikara Natsukari, Kenichiro Nigo, Yusuke Nishioka, Kumiko Nobukawa, Masayoshi Nobukawa, Hirofumi Noda, Hirokazu Odaka, Mina Ogawa, Takaya Ohashi, Masahiro Ohno, Masayuki Ohta, Atsushi Okamoto, Naomi Ota, Masanobu Ozaki, Stephane Paltani, Paul Plucinsky, Katja Pottschmidt, Michael Sampson, Takahiro Sasaki, Kosuke Sato, Rie Sato, Toshiki Sato, Makoto Sawada, Hiromi Seta, Yasuko Shibano, Maki Shida, Megumi Shidatsu, Shuhei Shigeto, Keisuke Shinozaki, Peter Shirron, Aurora Simionescu, Randall Smith, Kazunori Someya, Yang Soong, Keisuke Sugawara, Yasuharu Sugawara, Andy Szymkowiak, Hiromitsu Takahashi, Toshiaki Takeshima, Toru Tamagawa, Keisuke Tamura, Takaaki Tanaka, Atsushi Tanimoto, Yuichi Terashima, Yohko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Yuusuke Uchida, Hideki Uchiyama, Yoshihiro Ueda, Shinichiro Uno, Jacco Vink, Tomomi Watanabe, Michael Wittheof, Rob Wolfs, Shinya Yamada, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Keiichi Yanagase, Tahir Yaqoob, Susumu Yasuda, Tessei Yoshida, Nasa Yoshioka, Irina Zhuravleva

    Space Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray   Vol. 11444   2021

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    DOI: 10.1117/12.2565812

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  34. Soft X-ray Imager (SXI) for Xtend onboard X-Ray Imaging and Spectroscopy Mission (XRISM)

    Nakajima Hiroshi, Hayashida Kiyoshi, Tomida Hiroshi, Mori Koji, Noda Hirofumi, Matsumoto Hironori, Yoneyama Tomokage, Okazaki Koki, Asakura Kazunori, Hanaoka Maho, Hattori Kengo, Ishikura Ayami, Sakuma Shotaro, Tanaka Takaaki, Uchida Hiroyuki, Tsuru Takeshi Go, Amano Yuki, Okon Hiromichi, Yamauchi Makoto, Hatsukade Isamu, Nishioka Yusuke, Kanemaru Yoshiaki, Sato Jin, Takaki Toshiyuki, Terada Yuta, Yoshida Tessei, Kohmura Takayoshi, Hagino Kouichi, Kobayashi Shogo, Murakami Hiroshi, Kashimura Hikari, Uchiyama Hideki, Yamaoka Kazutaka, Nobukawa Masayoshi, Sako Takashi, Nobukawa Kumiko, Saito Mariko, Hiraga Junko S., Urabe Yukino, Yoshida Masayuki, Dotani Tadayasu, Ozaki Masanobu, Tsunemi Hiroshi

    SPACE TELESCOPES AND INSTRUMENTATION 2020: ULTRAVIOLET TO GAMMA RAY   Vol. 11444   2021

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    Soft X-ray Imager (SXI) is the X-ray CCD camera onboard X-Ray Imaging and Spectroscopy Mission (XRISM) that is scheduled to be launched in Japanese fiscal year 2022. Combining the SXI with an X-ray mirror assembly, we realize the Soft X-ray Imaging Telescope (Xtend) with a focal length of 5.6 m and a field of view of 38 arcmin square. The high quantum efficiency of the focal-plane sensor, P-channel back-illumination type CCD, brings about the wide effective energy range from 0.4 to 13 keV with moderate energy resolution. Although the design of the SXI for XRISM is basically identical to that for Hitomi satellite, we have applied several improvements to the CCDs in terms of the charge transfer inefficiency (CTI) and the optical blocking performance. For the former issue, we introduce a notch implant in the charge transfer path to reduce the CTI increase in orbit. For the latter, we change the design of aluminum layers on the incident surface of the CCDs to decrease incoming visible light and/or infrared. Four flight model (FM) CCDs have been selected considering several items including energy resolution at 5.9 keV, CTI, dark current, etc. We have also completed calibration campaign for all the FM CCDs. Initial analyses show that the response function for monochromatic X-rays is basically the same as that of Hitomi CCDs. Front-end ASIC have been confirmed to properly function even after the long-term storage after the manufacture for Hitomi SXI. Then the analog electronics for driving CCDs and for processing the output analog signals have been implemented. Their functional tests have been completed with no problem. The focal plane including the single-stage Stirling cooler has been assembled. Production of key parts in SXI sensor body such as contamination blocking filter and onboard calibration source has been finished and they are waiting for assemble. The digitized signals of the CCD are corrected step by step before conversion to X-ray energy. We are preparing calibration database for the correction such as CTI, gain, and line redistribution function.

    DOI: 10.1117/12.2560348

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  35. High-redshift gamma-ray burst for unraveling the Dark Ages Mission - HiZ-GUNDAM -

    Yonetoku Daisuke, Mihara Tatehiro, Doi Akihiro, Sakamoto Takanori, Tsumura Kohji, Ioka Kunihito, Amaya Yusuke, Arimoto Makoto, Enoto Teruaki, Fujii Takeru, Goto Hatsune, Gunji Shuichi, Hiraga Junko, Ikeda Hirokazu, Kawai Nobuyuki, Kurosawa Shunsuke, Li Jin, Maeda Yoshitomo, Mitsuishi Ikuyuki, Murakami Toshio, Nakagawa Yujin, Ogino Naoki, Ohno Masanori, Sawano Tatsuya, Sei Kensho, Serino Motoko, Sugita Satoshi, Tamagawa Toru, Tamura Keisuke, Tanaka Takaaki, Tanimori Toru, Tashiro Makoto S., Tomida Hiroshi, Wang Hyeongsoon, Yamaguchi Tomohiro, Yamamoto Ayumi, Yamaoka Kazutaka, Yamauchi Makoto, Yatsu Yoichi, Yoshida Atsumasa, Yuhi Daito, Akitaya Hiroshi, Fukui Akihiko, Ita Yoshifusa, Kaneda Hidehiro, Kawabata Koji, Kawata Yoshikatsu, Kurimata Miku, Matsumoto Toshio, Matsuura Shuji, Miyasaka Akihiro, Motohara Kentaro, Narita Norio, Noda Hirofumi, Ohashi Akisato, Okita Hirofumi, Sano Kei, Tanaka Masaomi, Urata Yuji, Wada Takehiko, Yamaguchi Hikaru, Yanagisawa Kenshi, Yoshida Michitoshi, Asano Katsuaki, Inayoshi Kohei, Inoue Susumu, Ito Hirotaka, Izumiura Hideyuki, Kawanaka Norita, Kinugawa Tomoya, Kisaka Shota, Kiuchi Kenta, Kyutoku Koutarou, Matsumoto Jin, Mizuta Akira, Murase Kohta, Nagakura Hiroki, Nagataki Shigehiro, Nakada Yoshikazu, Nakamura Takashi, Niino Yuu, Suwa Yudai, Takahashi Keitaro, Tanaka Takahiro, Toma Kenji, Totani Tomonori, Yamazaki Ryo, Yokoyama Jun'ichi

    SPACE TELESCOPES AND INSTRUMENTATION 2020: ULTRAVIOLET TO GAMMA RAY   Vol. 11444   2021

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    HiZ-GUNDAM is a future satellite mission which will lead the time-domain astronomy and the multi-messenger astronomy through observations of high-energy transient phenomena. A mission concept of HiZ-GUNDAM was approved by ISAS/JAXA, and it is one of the future satellite candidates of JAXA's medium-class mission. We are in pre-phase A (before pre-project) and elaborating the mission concept, mission/system requirements for the launch in the late 2020s. The main themes of HiZ-GUNDAM mission are (1) exploration of the early universe with high-redshift gamma-ray bursts, and (2) contribution to the multi-messenger astronomy. HiZ-GUNDAM has two kinds of mission payload. The wide field X-ray monitors consist of Lobster Eye optics array and focal imaging sensor, and monitor ~1 steradian field of view in 0.5 - 4 keV energy range. The near infrared telescope has an aperture size 30 cm in diameter, and simultaneously observes four wavelength bands between 0.5 - 2.5 µm. In this paper, we introduce the mission overview of HiZ-GUNDAM.

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  36. CALET on the International Space Station: a precise measurement of the iron spectrum

    Checchia C., Stolzi F., Akaike Y., Adriani O., Akaike Y., Asano K., Asaoka Y., Berti E., Bigongiari G., Binns W.R., Bongi M., Brogi P., Bruno A., Buckley J.H., Cannady N., Castellini G., Checchia C., Cherry M.L., Collazuol G., Ebisawa K., Ficklin A.W., Fuke H., Gonzi S., Guzik T.G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M.H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H.S., Krizmanic J.F., Maestro P., Marrocchesi P.S., Messineo A.M., Mitchell J.W., Miyake S., Moiseev A.A., Mori M., Mori N., Motz H.M., Munakata K., Nakahira S., Nishimura J., de Nolfo G.A., Okuno S., Ormes J.F., Ospina N., Ozawa S., Pacini L., Papini P., Rauch B.F., Ricciarini S.B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Spillantini P., Sugita S., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Zober W.V.

    Proceedings of Science   Vol. 398   2021

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    The Calorimetric Electron Telescope (CALET) was launched on the International Space Station in 2015 and since then has collected a large sample of cosmic-ray charged particles over a wide energy. Thanks to a couple of layers of segmented plastic scintillators placed on top of the detector, the instrument is able to identify the charge of individual elements from proton to iron (and above). The imaging tungsten scintillating fiber calorimeter provides accurate particle tracking and the lead tungstate homogeneous calorimeter can measured the energy with a wide dynamic range. One of the CALET scientific objectives is to measure the energy spectra of cosmic rays to shed light on their acceleration and propagation in the Galaxy. By the observation in first five years, a precise measurement of the iron spectrum is now available in the range of kinetic energy per nucleon from 10 GeV/n to 2 TeV/n. The CALET's result with a description of the analysis and details on systematic uncertainties will be illustrated. Also, a comparison with previous experiments' results is given.

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  37. Experimental studies on the charge transfer inefficiency of CCD developed for the soft X-ray imaging telescope Xtend aboard the XRISM satellite

    Kanemaru Y.

    Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment   Vol. 984   2020.12

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    DOI: 10.1016/j.nima.2020.164646

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  38. Direct Measurement of the Cosmic-Ray Carbon and Oxygen Spectra from 10 GeV/n to 2.2 TeV/n with the Calorimetric Electron Telescope on the International Space Station

    Adriani O., Akaike Y., Asano K., Asaoka Y., Bagliesi M. G., Berti E., Bigongiari G., Binns W. R., Bongi M., Brogi P., Bruno A., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., Ebisawa K., Fuke H., Gonzi S., Guzik T. G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kobayashi K., Kohri K., Krawczynski H. S., Krizmanic J. F., Link J., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori M., Mori N., Motz H. M., Munakata K., Nakahira S., Nishimura J., de Nolfo G. A., Okuno S., Ormes J. F., Ospina N., Ozawa S., Pacini L., Palma F., Papini P., Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Stolzi F., Sugita S., Suh J. E., Sulaj A., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K.

    PHYSICAL REVIEW LETTERS   Vol. 125 ( 25 ) page: 251102   2020.12

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    DOI: 10.1103/PhysRevLett.125.251102

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  39. Rgb image prioritization using convolutional neural network on a microprocessor for nanosatellites

    Park J.H.

    Remote Sensing   Vol. 12 ( 23 ) page: 1-22   2020.12

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    DOI: 10.3390/rs12233941

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  40. Optical blocking performance of CCDs developed for the X-ray Astronomy Satellite XRISM

    Uchida Hiroyuki, Tanaka Takaaki, Amano Yuki, Okon Hiromichi, Tsuru Takeshi G., Nakajima Hiroshi, Noda Hirofumi, Hayashida Kiyoshi, Matsumoto Hironori, Hanaoka Maho, Yoneyama Tomokage, Okazaki Koki, Asakura Kazunori, Sakuma Shotaro, Hattori Kengo, Ishikura Ayami, Saito Mariko, Nobukawa Kumiko K., Tomida Hiroshi, Kanemaru Yoshiaki, Sato Jin, Takaki Toshiyuki, Terada Yuta, Mori Koji, Kashimura Hikari, Kohmura Takayoshi, Hagino Kouichi, Murakami Hiroshi, Kobayashi Shogo B., Nishioka Yusuke, Yamauchi Makoto, Hatsukade Isamu, Sako Takashi, Nobukawa Masayoshi, Urabe Yukino, Hiraga Junko S., Uchiyama Hideki, Yamaoka Kazutaka, Ozaki Masanobu, Dotani Tadayasu, Tsunemi Hiroshi, Suzuki Hisanori, Takagi Shin-ichiro, Sugimoto Kenichi, Atsumi Sho, Tanaka Fumiya

    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT   Vol. 978   2020.10

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    DOI: 10.1016/j.nima.2020.164374

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  41. Origin of the in-orbit instrumental background of the Hard X-ray Imager onboard Hitomi

    Kouichi Hagino, Hirokazu Odaka, Goro Sato, Tamotsu Sato, Hiromasa Suzuki, Tsunefumi Mizuno, Madoka Kawaharada, Masanori Ohno, Kazuhiro Nakazawa, Shogo B. Kobayashi, Hiroaki Murakami, Katsuma Miyake, Makoto Asai, Tatsumi Koi, Greg Madejski, Shinya Saito, Dennis H. Wright, Teruaki Enoto, Yasushi Fukazawa, Katsuhiro Hayashi, Jun Kataoka, Junichiro Katsuta, Motohide Kokubun, Philippe Laurent, François Lebrun, Olivier Limousin, Daniel Maier, Kazuo Makishima, Kunishiro Mori, Takeshi Nakamori, Toshio Nakano, Hirofumi Noda, Masayuki Ohta, Rie Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shin’ichiro Takeda, Takaaki Tanaka, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Kazutaka Yamaoka, Yoichi Yatsu, Takayuki Yuasa

    Journal of Astronomical Telescopes, Instruments, and Systems   Vol. 6 ( 4 )   2020.10

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    DOI: 10.1117/1.JATIS.6.4.046003

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  42. CALET on the International Space Station: the first three years of observations

    Brogi P., Adriani O., Akaike Y., Asano K., Asaoka Y., Bagliesi M. G., Berti E., Bigongiari G., Binns W. R., Bonechi S., Bongi M., Bruno A., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., Di Felice V, Ebisawa K., Fuke H., Guzik T. G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kohri K., Krawczynski H. S., Krizmanic J. F., Link J., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori M., Mori N., Motz H. M., Munakata K., Murakami H., Nakahira S., Nishimura J., de Nolfo G. A., Okuno S., Ormes J. F., Ospina N., Ozawa S., Pacini L., Palma F., Papini P., Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Stolzi F., Sugita S., Suh J. E., Sulaj A., Takahashi I, Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K.

    PHYSICA SCRIPTA   Vol. 95 ( 7 )   2020.7

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    DOI: 10.1088/1402-4896/ab957d

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  43. Study on possible proton-induced background of LaBr3(Ce) scintillator in a low-earth orbit

    Mizushima Tsubasa, Yoshida Atsumasa, Yamaoka Kazutaka, Hatori Satoshi, Kume Kyo

    X-RAY, OPTICAL, AND INFRARED DETECTORS FOR ASTRONOMY IX   Vol. 11454   2020

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    Cerium-doped Lanthanum Bromide [LaBr3(Ce)] is a relatively newly developed inorganic scintillator with high performance for X/gamma-rays. It has high light yield, good energy resolution, and suitable time response for X/gamma- ray spectroscopy in comparison with NaI(Tl) conventionally used for spaceexperiments. Although NaI(Tl), especially using a cleaved surface forthe entrance window, was regarded as the most suitable scintillatorfor the spectroscopy of photons in the hard X-ray to gamma-ray band, a large amount of induced background from radio-activated iodinepolluted observed spectra, which were caused by charged particleirradiation in a high radiation region such as South Atlantic Anomalyin space experiments (e.g., Murakami et al. 1989). LaBr3(Ce) could have comparable or even better performance toNaI(Tl). There is, however, very limited knowledge about radio-activated LaBr3(Ce) estimated in a low-earth orbit. To verify the degradation of performance by high charged particle radiation field estimated in a low-earth orbit, we performed proton irradiation experiments using a synchrotron accelerator at TheWakasa Bay Energy Research Center. We performed irradiation experiments of LaBr3(Ce) using proton beams with 20, 70, 140 MeV. The crystal has the size of 0.5 inch in diameter and a thickness of 0.5 inch; the thickness is the same as the gamma-ray burst detector flown after for the CALET experiment (Yamaoka et al. 2013). The measurement has been done to take gamma-ray spectra from the radio-activated LaBr3(Ce) crystal during the period from 7 minutes to 3.8 days after the proton irradiation. As a result, we detected 24 gamma-ray peak sand identified 19 nuclides by activation. We also found that the nuclides generated by the proton irradiation can be divided into two types; short-lived nuclides (half-life shorter than 24 hours) and long-lived nuclides (half- life longer than a day). From the results, we estimated that the background rate of LaBr3(Ce) in a low-earth orbitexpected for such as the International Space Station was several counts per second, which was smaller than that for Cosmic X-ray background from an opening angle of about a pi steradian. The contamination suffered from radio-activation of LaBr3(Ce) crystal was sufficiently small for spectroscopy with a large field-of-view taken forsuch as gamma-ray transient observations.

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  44. CALET results after three years on the International Space Station

    Asaoka Y., Adriani O., Akaike Y., Asano K., Bagliesi M. G., Berti E., Bigongiari G., Binns W. R., Bonechi S., Bongi M., Bruno A., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., Di Felice V., Ebisawa K., Fuke H., Guzik T. G., Hams T., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kohri K., Krawczynski H. S., Krizmanic J. F., Link J., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori M., Mori N., Motz H. M., Munakata K., Nakahira S., Nishimura J., de Nolfo G. A., Okuno S., Opsina N., Ormes J. F., Ozawa S., Pacini L., Palma F., Pal'shin V., Papini P., Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Stolzi F., Sugita S., Suh J. E., Sulaj A., Takahashi I., Takita M., Tamura T., Terasawa T., Torii S., Tsunesada Y., Uchihori Y., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K.

    16TH INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS (TAUP 2019)   Vol. 1468 ( 1 )   2020

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    DOI: 10.1088/1742-6596/1468/1/012074

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  45. Lecture series for encouraging commercial space utilization for the general public

    Miyata K., Tomioka K., Yamaoka K., Tanaka H., Tajima H.

    Proceedings of the International Astronautical Congress, IAC   Vol. 2020-October   2020

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    Nagoya University has been performed a five-year education program for doctoral course students aimed to develop international leaders with a broad foundation and the ability to spearhead the expansion of space utilization and related industries since FY2012. Expanding this experience, we started a new lecture series for encouraging commercial space utilization for the general public since 2019. We offer two kinds of lecture series: fundamental and practical courses. This paper introduces the overview, current status, and achievement of the lectures. The lectures period is set as two weeks and the lectures summarize the important essence of the five-year education program. We already performed three fundamental courses and one practical course at the end of Apr. 2020. The fundamental course aims to learn the overview of space development, the current status of satellite utilization, and project management. The practical course aims to learn more detailed elements for some important aspects of satellite development or utilization. Each course consists of classroom lectures and practical hands-on training. The questionnaire to the applicants is performed at an appropriate time. The effectiveness of each topic is evaluated with the results. The authors believe that these reports help the related educational program establishment or modification in the future.

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  46. First Detection of Radio Linear Polarization in a Gamma-Ray Burst Afterglow

    Urata Y.

    Astrophysical Journal Letters   Vol. 884 ( 2 )   2019.10

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    DOI: 10.3847/2041-8213/ab48f3

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  47. Spectral properties of gamma-ray bursts observed by the Suzaku wide-band all-sky monitor Reviewed

    Ohmori Norisuke, Yamaoka Kazutaka, Yamauchi Makoto, Urata Yuji, Ohno Masanori, Sugita Satoshi, Hurley Kevin, Tashiro Makoto S, Fukazawa Yasushi, Iwakiri Wataru, Katsukura Daisuke, Kokubun Motohide, Makishima Kazuo, Murakami Souta, Nakagawa Yujin E, Nakazawa Kazuhiro, Odaka Katsuya, Takahashi Kaito, Takahashi Tadayuki, Terada Yukikatsu

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 71 ( 4 )   2019.8

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    DOI: 10.1093/pasj/psz054

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  48. ALMA Polarimetry of AT2018cow

    Huang Kuiyun, Shimoda Jiro, Urata Yuji, Toma Kenji, Yamaoka Kazutaka, Asada Keiichi, Nagai Hiroshi, Takahashi Satoko, Petitpas Glen, Tashiro Makoto

    ASTROPHYSICAL JOURNAL LETTERS   Vol. 878 ( 1 )   2019.6

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    DOI: 10.3847/2041-8213/ab23fd

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  49. Unveiling the nature of compact object in the LMXB MAXI J1957+032 using Swift-XRT

    Beri A.

    Monthly Notices of the Royal Astronomical Society   Vol. 486 ( 2 ) page: 1620-1628   2019.6

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    DOI: 10.1093/mnras/stz938

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  50. Direct Measurement of the Cosmic-Ray Proton Spectrum from 50 GeV to 10 TeV with the Calorimetric Electron Telescope on the International Space Station

    Adriani O., Akaike Y., Asano K., Asaoka Y., Bagliesi M. G., Berti E., Bigongiari G., Binns W. R., Bonechi S., Bongi M., Brogi P., Bruno A., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., Di Felice V, Ebisawa K., Fuke H., Guzik T. G., Hams T., Hasebe N., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kohri K., Krawczynski H. S., Krizmanic J. F., Lomtadze T., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori K., Mori M., Mori N., Motz H. M., Munakata K., Murakami H., Nakahira S., Nishimura J., de Nolfo G. A., Okuno S., Ormes J. F., Ozawa S., Pacini L., Palma F., Papini P., Penacchioni A. V, Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Stolzi F., Suh J. E., Sulaj A., Takahashi I, Takayanagi M., Takita M., Tamura T., Terasawa T., Tomida H., Torii S., Tsunesada Y., Uchihori Y., Ueno S., Vannuccini E., Wefel P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K.

    PHYSICAL REVIEW LETTERS   Vol. 122 ( 18 ) page: 181102   2019.5

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    DOI: 10.1103/PhysRevLett.122.181102

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  51. Event-selection technique for the multi-layer Si-CdTe Compton camera onboard Hitomi

    Ohno Masanori, Fukazawa Yasushi, Mizuno Tsunefumi, Takahashi Hiromitsu, Tanaka Yasuyuki, Katsuta Jun'ichiro, Kawano Takafumi, Habata Sho, Okada Chiho, Ohashi Norie, Teramae Takuto, Tanaka Koji, Takahashi Tadayuki, Kokubun Motohide, Watanabe Shin, Sato Goro, Sato Rie, Ohta Masayuki, Uchida Yusuke, Tamaru Ryota, Yoneda Hiroki, Nakazawa Kazuhiro, Murakami Hiroaki, Tajima Hiroyasu, Yamaoka Kazutaka, Kinoshita Masaomi, Hayashi Katsuhiro, Kitaguchi Takao, Odaka Hirokazu

    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT   Vol. 924   page: 327-331   2019.4

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    DOI: 10.1016/j.nima.2018.09.114

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  52. Radiation hardness of a p-channel notch CCD developed for the X-ray CCD camera onboard the XRISM satellite

    Kanemaru Y., Sato J., Mori K., Nakajima H., Nishioka Y., Takeda A., Hayashida K., Matsumoto H., Iwagaki J., Okazaki K., Asakura K., Yoneyama T., Uchida H., Okon H., Tanaka T., Tsuru T. G., Tomida H., Shimoi T., Kohmura T., Hagino K., Murakami H., Kobayashi S. B., Yamauchi M., Hatsukade I., Nobukawa M., Nobukawa K. K., Hiraga J. S., Uchiyama H., Yamaoka K., Ozaki M., Dotani T., Tsunemi H., Hamano T.

    JOURNAL OF INSTRUMENTATION   Vol. 14   2019.4

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    DOI: 10.1088/1748-0221/14/04/C04003

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  53. The CALorimetric Electron Telescope (CALET) on the International Space Station: Results from the First Two Years On Orbit

    Asaoka Y., Adriani O., Akaike Y., Asano K., Bagliesi M. G., Berti E., Bigongiari G., Binns W. R., Bonechi S., Bongi M., Bruno A., Brogi P., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., Di Felice V., Ebisawa K., Fuke H., Guzik T. G., Hams T., Hasebe N., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kohri K., Krawczynski H. S., Krizmanic J. F., Lomtadze T., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori K., Mori M., Mori N., Motz H. M., Munakata K., Murakami H., Nakahira S., Nishimura J., De Nolfo G. A., Okuno S., Ormes J. F., Ozawa S., Pacini L., Palma F., Pal'shin V., Papini P., Penacchioni A. V., Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Stolzi F., Sugita S., Suh J. E., Sulaj A., Takahashi I., Takayanagi M., Takita M., Tamura T., Tateyama N., Terasawa T., Tomida H., Torii S., Tsunesada Y., Uchihori Y., Ueno S., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K.

    26TH EXTENDED EUROPEAN COSMIC RAY SYMPOSIUM   Vol. 1181 ( 1 )   2019

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    DOI: 10.1088/1742-6596/1181/1/012003

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  54. The CALorimetric Electron Telescope (CALET) on the International Space Station: Results from the First Two Years of Operation

    Asaoka Y., Adriani O., Akaike Y., Asano K., Bagliesi M. G., Berti E., Bigongiari G., Binns W. R., Bonechi S., Bongi M., Bruno A., Brogi P., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., Di Felice V, Ebisawa K., Fuke H., Guzik T. G., Hams T., Hasebe N., Hibinov K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kohri K., Krawczynski H. S., Krizmanic J. F., Lomtadze T., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori K., Mori M., Mori N., Motz H. M., Munakata K., Murakami H., Nakahira S., Nishimura J., De Nolfo G. A., Okuno S., Ormes J. F., Ozawa S., Pacini L., Palma F., Pal'shin V, Papini P., Penacchioni A. V, Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Stolzi F., Sugita S., Suh J. E., Sulaj A., Takahashi I, Takayanagi M., Takita M., Tamura T., Tateyama N., Terasawa T., Tomida H., Torii S., Tsunesada Y., Uchihori Y., Ueno S., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K.

    XX INTERNATIONAL SYMPOSIUM ON VERY HIGH ENERGY COSMIC RAY INTERACTIONS (ISVHECRI 2018)   Vol. 208   2019

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    DOI: 10.1051/epjconf/201920813001

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  55. Solar neutron and gamma-ray detector for a 3U Cubesat

    Kazutaka Yamaoka, Hiroyasu Tajima, Kikuko Miyata, Takaya Inamori, Yoshinori Sasai, Hiroaki Kawahara, Ji Hyun Park, Kazuhiro Nakazawa, Satoshi Masuda, Koji Matsushita, Kazuya Itoh, Daiki Nobashi, Hiromitsu Takahashi, Kyoko Watanabe

    Proceedings of Science   Vol. 358   2019

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    © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0). Solar neutron observations are very important on understanding of particle acceleration mechanism in the Sun. However, previous ground-based observations with large area telescope (~10 m2)at high latitude are not sensitive to solar neutrons due to attenuation in the earth atmosphere and roughly 10 detection since its discovery in 1980. From space, the SEDA-AP instrument with much smaller area (100 cm2) onboard the International Space Station (ISS) monitored solar neutrons including charged particles, and successfully detected more than 30 detection since its launch in 2009. Unfortunately the SEDA-AP operation was stopped on March 2018. To overcome situation for no mission dedicated for solar neutrons, we have designed and developed a solar neutron and gamma-ray detector for a 3U cubesat with a size of 30×10×10 cm. Actually we launched the 50-kg class ChubuSat-2 satellite for solar neutron observations on February 2016, and have now been adjusting it to a 3U cubesat application. The solar neutron and gamma-ray detector consists of multi-layered plastic scintillator bars, and GAGG(Ce) scintillator array, and both of them are read out with silicon photo-multipliers (Si PMs). More than 600 signals from Si PMs are processed by ASICs. In this paper, we will describe details of the detector and performance of its breadboard model (BBM).

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  56. Solar neutron and gamma-ray detector for a 3U Cubesat

    Yamaoka K., Tajima H., Miyata K., Inamori T., Sasai Y., Kawahara H., Park J.H., Nakazawa K., Masuda S., Matsushita K., Itoh K., Nobashi D., Takahashi H., Watanabe K.

    Proceedings of Science   Vol. 358   2019

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    Solar neutron observations are very important on understanding of particle acceleration mechanism in the Sun. However, previous ground-based observations with large area telescope (~10 m2)at high latitude are not sensitive to solar neutrons due to attenuation in the earth atmosphere and roughly 10 detection since its discovery in 1980. From space, the SEDA-AP instrument with much smaller area (100 cm2) onboard the International Space Station (ISS) monitored solar neutrons including charged particles, and successfully detected more than 30 detection since its launch in 2009. Unfortunately the SEDA-AP operation was stopped on March 2018. To overcome situation for no mission dedicated for solar neutrons, we have designed and developed a solar neutron and gamma-ray detector for a 3U cubesat with a size of 30×10×10 cm. Actually we launched the 50-kg class ChubuSat-2 satellite for solar neutron observations on February 2016, and have now been adjusting it to a 3U cubesat application. The solar neutron and gamma-ray detector consists of multi-layered plastic scintillator bars, and GAGG(Ce) scintillator array, and both of them are read out with silicon photo-multipliers (Si PMs). More than 600 signals from Si PMs are processed by ASICs. In this paper, we will describe details of the detector and performance of its breadboard model (BBM).

    Scopus

  57. Detection of polarized gamma-ray emission from the Crab nebula with the Hitomi Soft Gamma-ray Detector

    Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Angelini Lorella, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Bamba Aya, Bautz Marshall W., Blandford Roger, Brenneman Laura W., Brown Gregory V., Bulbul Esra, Cackett Edward M., Chernyakova Maria, Chiao Meng P., Coppi Paolo S., Costantini Elisa, de Plaa Jelle, de Vries Cor P., den Herder Jan-Willem, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan E., Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam R., Fujimoto Ryuichi, Fukazawa Yasushi, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi C., Gandhi Poshak, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harrus Ilana M., Hatsukade Isamu, Hayashi Katsuhiro, Hayashi Takayuki, Hayashida Kiyoshi, Hiraga Junko S., Hornschemeier Ann, Hoshino Akio, Hughes John P., Ichinohe Yuto, Iizuka Ryo, Inoue Hajime, Inoue Yoshiyuki, Ishida Manabu, Ishikawa Kumi, Ishisaki Yoshitaka, Iwai Masachika, Kaastra Jelle, Kallman Tim, Kamae Tsuneyoshi, Kataoka Jun, Katsuda Satoru, Kawai Nobuyuki, Kelley Richard L., Kilbourne Caroline A., Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kokubun Motohide, Koyama Katsuji, Koyama Shu, Kretschmar Peter, Krimm Hans A., Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lee Shiu-Hang, Leutenegger Maurice A., Limousin Olivier, Loewenstein Michael, Long Knox S., Lumb David, Madejski Greg, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, McNamara Brian R., Mehdipour Missagh, Miller Eric D., Miller Jon M., Mineshige Shin, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Mukai Koji, Murakami Hiroshi, Mushotzky Richard F., Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakashima Shinya, Nakazawa Kazuhiro, Nobukawa Kumiko K., Nobukawa Masayoshi, Noda Hirofumi, Odaka Hirokazu, Ohashi Takaya, Ohno Masanori, Okajima Takashi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Petre Robert, Pinto Ciro, Porter Frederick S., Pottschmidt Katja, Reynolds Christopher S., Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sasaki Toru, Sato Goro, Sato Kosuke, Sato Rie, Sawada Makoto, Schartel Norbert, Serlemtsos Peter J., Seta Hiromi, Shidatsu Megumi, Simionescu Aurora, Smith Randall K., Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shin'ichiro, Takei Yoh, Tamagawa Toru, Tamura Takayuki, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki T., Tashiro Makoto S., Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi Go, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Ueda Yoshihiro, Uno Shin'ichiro, Urry C. Megan, Ursino Eugenio, Watanabe Shin, Werner Norbert, Wilkins Dan R., Williams Brian J., Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Zhuravleva Irina, Zoghbi Abderahmen, Uchida Yuusuke

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 70 ( 6 )   2018.12

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    DOI: 10.1093/pasj/psy118

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  58. The evolution of X-ray bursts in the 'Bursting Pulsar' GRO J1744-28

    Court J. M. C., Altamirano D., Albayati A. C., Sanna A., Belloni T., Overton T., Degenaar N., Wijnands R., Yamaoka K., Hill A. B., Knigge C.

    MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY   Vol. 481 ( 2 ) page: 2273-2298   2018.12

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    DOI: 10.1093/mnras/sty2312

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  59. Discovery and state transitions of the new Galactic black hole candidate MAXI J1535-571

    Nakahira Satoshi, Shidatsu Megumi, Makishima Kazuo, Ueda Yoshihiro, Yamaoka Kazutaka, Mihara Tatehiro, Negoro Hitoshi, Kawase Tomofumi, Kawai Nobuyuki, Morita Kotaro

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 70 ( 5 )   2018.10

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    DOI: 10.1093/pasj/psy093

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  60. The 7-year MAXI/GSC X-Ray Source Catalog in the High Galactic Latitude Sky (3MAXI)

    Kawamuro T., Ueda Y., Shidatsu M., Hori T., Morii M., Nakahira S., Isobe N., Kawai N., Mihara T., Matsuoka M., Morita T., Nakajima M., Negoro H., Oda S., Sakamoto T., Serino M., Sugizaki M., Tanimoto A., Tomida H., Tsuboi Y., Tsunemi H., Ueno S., Yamaoka K., Yamada S., Yoshida A., Iwakiri W., Kawakubo Y., Sugawara Y., Sugita S., Tachibana Y., Yoshii T.

    ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES   Vol. 238 ( 2 )   2018.10

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    DOI: 10.3847/1538-4365/aad1ef

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  61. Characteristics and Performance of the CALorimetric Electron Telescope (CALET) Calorimeter for Gamma-Ray Observations

    Cannady N., Asaoka Y., Satoh F., Tanaka M., Torii S., Cherry M. L., Mori M., Adriani O., Akaike Y., Asano K., Bagliesi M. G., Berti E., Bigongiari G., Binns W. R., Bonechi S., Bongi M., Brogi P., Buckley J. H., Castellini G., Checchia C., Collazuol G., Di Felice V., Ebisawa K., Fuke H., Guzik T. G., Hams T., Hareyama M., Hasebe N., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kohri K., Krawczynski H. S., Krizmanic J. F., Lomtadze T., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori K., Mori N., Motz H. M., Munakata K., Murakami H., Nakahira S., Nishimura J., de Nolfo G. A., Okuno S., Ormes J. F., Ozawa S., Pacini L., Palma F., Papini P., Penacchioni A. V., Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Stolzi F., Suh J. E., Sulaj A., Takahashi I., Takayanagi M., Takita M., Tamura T., Tateyama N., Terasawa T., Tomida H., Tsunesada Y., Uchihori Y., Ueno S., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K.

    ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES   Vol. 238 ( 1 )   2018.9

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    DOI: 10.3847/1538-4365/aad6a3

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  62. Search for GeV Gamma-Ray Counterparts of Gravitational Wave Events by CALET

    Adriani O., Akaike Y., Asano K., Asaoka Y., Bagliesi M. G., Berti E., Bigongiari G., Binns W. R., Bonechi S., Bongi M., Brogi P., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., Di Felice V., Ebisawa K., Fuke H., Guzik T. G., Hams T., Hareyama M., Hasebe N., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Krawczynski H. S., Krizmanic J. F., Kohri K., Lomtadze T., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori K., Mori M., Mori N., Motz H. M., Munakata K., Murakami H., Nakahira S., Nishimura J., de Nolfo G. A., Okuno S., Ormes J. F., Ozawa S., Pacini L., Palma F., Papini P., Penacchioni A. V., Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Stolzi F., Suh J. E., Sulaj A., Takahashi I., Takayanagi M., Takita M., Tamura T., Tateyama N., Terasawa T., Tomida H., Torii S., Tsunesada Y., Uchihori Y., Ueno S., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K.

    ASTROPHYSICAL JOURNAL   Vol. 863 ( 2 )   2018.8

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    DOI: 10.3847/1538-4357/aad18f

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  63. MAXI upper limits of the electromagnetic counterpart of GW170817

    Sugita Satoshi, Kawai Nobuyuki, Nakahira Satoshi, Negoro Hitoshi, Serino Motoko, Mihara Tatehiro, Yamaoka Kazutaka, Nakajima Motoki

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 70 ( 4 )   2018.8

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    DOI: 10.1093/pasj/psy076

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  64. On-orbit operations and offline data processing of CALET onboard the ISS

    Asaoka Y., Ozawa S., Torii S., Adriani O., Akaike Y., Asano K., Bagliesi M. G., Bigongiari G., Binns W. R., Bonechi S., Bongi M., Brogi P., Buckley J. H., Cannady N., Castellinilm G., Checchia C., Cherry M. L., Collazuol G., Di Felice V, Ebisawa K., Fuke H., Guzik T. G., Hams T., Hareyama M., Hasebe N., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Javaid A., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Krawczynski H. S., Krizmanic J. F., Kuramata S., Lomtadze T., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Mizutani K., Moiseev A. A., Mori K., Mori M., Mori N., Motz H. M., Munakata K., Murakami H., Nakahira S., Nishimura J., de Nolfo G. A., Okuno S., Ormes J. F., Pacini L., Palma F., Papini P., Penacchioni A. V, Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Stolzi F., Takahashi I, Takayanagi M., Takita M., Tamura T., Tateyama N., Terasawa T., Tomida H., Tsunesada Y., Uchihori Y., Ueno S., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Yuda T.

    ASTROPARTICLE PHYSICS   Vol. 100   page: 29-37   2018.7

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    DOI: 10.1016/j.astropartphys.2018.02.010

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  65. Extended Measurement of the Cosmic-Ray Electron and Positron Spectrum from 11 GeV to 4.8 TeV with the Calorimetric Electron Telescope on the International Space Station

    Adriani O., Akaike Y., Asano K., Asaoka Y., Bagliesi M. G., Berti E., Bigongiari G., Binns W. R., Bonechi S., Bongi M., Brogi P., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., Di Felice V, Ebisawa K., Fuke H., Guzik T. G., Hams T., Hareyama M., Hasebe N., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kohri K., Krawczynski H. S., Krizmanic J. F., Lomtadze T., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Moiseev A. A., Mori K., Mori M., Mori N., Motz H. M., Munakata K., Murakami H., Nakahira S., Nishimura J., de Nolfo G. A., Okuno S., Ormes J. F., Ozawa S., Pacini L., Palma F., Papini P., Penacchioni A. V, Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Stolzi F., Suh J. E., Sulaj A., Takahashi I, Takayanagi M., Takita M., Tamura T., Tateyama N., Terasawa T., Tomida H., Torii S., Tsunesada Y., Uchihori Y., Ueno S., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K.

    PHYSICAL REVIEW LETTERS   Vol. 120 ( 26 )   2018.6

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    DOI: 10.1103/PhysRevLett.120.261102

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  66. Hitomi X-ray observation of the pulsar wind nebula G21.5-0.9

    Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Angelini Lorella, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Bamba Aya, Bautz Marshall W., Blandford Roger, Brenneman Laura W., Brown Gregory V, Bulbul Esra, Cackett Edward M., Chernyakova Maria, Chiao Meng P., Coppi Paolo S., Costantini Elisa, de Plaa Jelle, de Vries Cor P., den Herder Jan-Willem, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan E., Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam R., Fujimoto Ryuichi, Fukazawa Yasushi, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi C., Gandhi Poshak, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harrus Ilana M., Hatsukade Isamu, Hayashi Katsuhiro, Hayashi Takayuki, Hayashida Kiyoshi, Hiraga Junko S., Hornschemeier Ann, Hoshino Akio, Hughes John P., Ichinohe Yuto, Iizuka Ryo, Inoue Hajime, Inoue Yoshiyuki, Ishida Manabu, Ishikawa Kumi, Ishisaki Yoshitaka, Iwai Masachika, Kaastra Jelle, Kallman Tim, Kamae Tsuneyoshi, Kataoka Jun, Katsuda Satoru, Kawai Nobuyuki, Kelley Richard L., Kilbourne Caroline A., Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kokubun Motohide, Koyama Katsuji, Koyama Shu, Kretschmar Peter, Krimm Hans A., Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lee Shiu-Hang, Leutenegger Maurice A., Limousin Olivier, Loewenstein Michael, Long Knox S., Lumb David, Madejski Greg, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, McNamara Brian R., Mehdipour Missagh, Miller Eric D., Miller Jon M., Mineshige Shin, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Mukai Koji, Murakami Hiroshi, Mushotzky Richard F., Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakashima Shinya, Nakazawa Kazuhiro, Nobukawa Kumiko K., Nobukawa Masayoshi, Noda Hirofumi, Odaka Hirokazu, Ohashi Takaya, Ohno Masanori, Okajima Takashi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Petre Robert, Pinto Ciro, Porter Frederick S., Pottschmidt Katja, Reynolds Christopher S., Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sasaki Toru, Sato Goro, Sato Kosuke, Sato Rie, Sawada Makoto, Schartel Norbert, Serlemtsos Peter J., Seta Hiromi, Shidatsu Megumi, Simionescu Aurora, Smith Randall K., Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shinichiro, Takei Yoh, Tamagawa Toru, Tamura Takayuki, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki T., Tashiro Makoto S., Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi Go, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Uno Shinichiro, Ueda Yoshihiro, Urry C. Megan, Ursino Eugenio, Watanabe Shin, Werner Norbert, Wilkins Dan R., Williams Brian J., Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Zhuravleva Irina, Zoghbi Abderahmen, Sato Toshiki, Nakaniwa Nozomu, Murakami Hiroaki, Guest Benson

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 70 ( 3 )   2018.6

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    DOI: 10.1093/pasj/psy027

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  67. Modeling of proton-induced radioactivation background in hard X-ray telescopes: Geant4-based simulation and its demonstration by Hitomi's measurement in a low Earth orbit

    Odaka Hirokazu, Asai Makoto, Hagino Kouichi, Koi Tatsumi, Madejski Greg, Mizuno Tsunefumi, Ohno Masanori, Saito Shinya, Sato Tamotsu, Wright Dennis H., Enoto Teruaki, Fukazawa Yasushi, Hayashi Katsuhiro, Kataoka Jun, Katsuta Junichiro, Kawaharada Madoka, Kobayashi Shogo B., Kokubun Motohide, Laurent Philippe, Lebrun Francois, Limousin Olivier, Maier Daniel, Makishima Kazuo, Mimura Taketo, Miyake Katsuma, Mori Kunishiro, Murakami Hiroaki, Nakamori Takeshi, Nakano Toshio, Nakazawa Kazuhiro, Noda Hirofumi, Ohta Masayuki, Ozaki Masanobu, Sato Goro, Sato Rie, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shin'ichiro, Tanaka Takaaki, Tanaka Yasuyuki, Terada Yukikatsu, Uchiyama Hideki, Uchiyama Yasunobu, Watanabe Shin, Yamaoka Kazutaka, Yasuda Tetsuya, Yatsu Yoichi, Yuasa Takayuki, Zoglauer Andreas

    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT   Vol. 891   page: 92-105   2018.5

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    DOI: 10.1016/j.nima.2018.02.071

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  68. In-orbit performance and calibration of the Hard X-ray Imager onboard Hitomi (ASTRO-H)

    Hagino Kouichi, Nakazawa Kazuhiro, Sato Goro, Kokubun Motohide, Enoto Teruaki, Fukazawa Yasushi, Hayashi Katsuhiro, Kataoka Jun, Katsuta Junichiro, Kobayashi Shogo B., Laurent Philippe, Lebrun Francois, Limousin Olivier, Maier Daniel, Makishima Kazuo, Mimura Taketo, Miyake Katsuma, Mizuno Tsunefumi, Mori Kunishiro, Murakami Hiroaki, Nakamori Takeshi, Nakano Toshio, Noda Hirofumi, Odaka Hirokazu, Ohno Masanori, Ohta Masayuki, Saito Shinya, Sato Rie, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shin'ichiro, Tanaka Takaaki, Terada Yukikatsu, Uchiyama Hideki, Uchiyama Yasunobu, Watanabe Shin, Yamaoka Kazutaka, Yatsu Yoichi, Yuasa Takayuki

    JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS   Vol. 4 ( 2 )   2018.4

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    DOI: 10.1117/1.JATIS.4.2.021409

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  69. Hitomi (ASTRO-H) X-ray Astronomy Satellite

    Takahashi Tadayuki, Kokubun Motohide, Mitsuda Kazuhisa, Kelley Richard L., Ohashi Takaya, Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Anabuki Naohisa, Angelini Lorella, Arnaud Keith, Asai Makoto, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Azzarello Philipp, Baluta Chris, Bamba Aya, Bando Nobutaka, Bautz Marshall W., Bialas Thomas, Blandford Roger, Boyce Kevin, Brenneman Laura W., Brown Gregory V., Bulbul Esra, Cackett Edward M., Canavan Edgar, Chernyakova Maria, Chiao Meng P., Coppi Paolo S., Costantini Elisa, Dell Steve O', DiPirro Michael, Done Chris, Dotani Tadayasu, Doty John, Ebisawa Ken, Eckart Megan E., Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam R., Fujimoto Ryuichi, Fukazawa Yasushi, Funk Stefan, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi C., Gandhi Poshak, Gilmore Kirk, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haas Daniel, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harrus Ilana M., Hatsukade Isamu, Hayashi Takayuki, Hayashi Katsuhiro, Hayashida Kiyoshi, den Herder Jan-Willem, Hiraga Junko S., Hirose Kazuyuki, Hornschemeier Ann, Hoshino Akio, Hughes John P., Ichinohe Yuto, Iizuka Ryo, Inoue Hajime, Inoue Yoshiyuki, Ishibashi Kazunori, Ishida Manabu, Ishikawa Kumi, Ishimura Kosei, Ishisaki Yoshitaka, Itoh Masayuki, Iwai Masachika, Iwata Naoko, Iyomoto Naoko, Jewell Chris, Kaastra Jelle, Kallman Tim, Kamae Tsuneyoshi, Kara Erin, Kataoka Jun, Katsuda Satoru, Katsuta Junichiro, Kawaharada Madoka, Kawai Nobuyuki, Kawano Taro, Kawasaki Shigeo, Khangulyan Dmitry, Kilbourne Caroline A., Kimball Mark, King Ashley, Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Konami Saori, Kosaka Tatsuro, Koujelev Alex, Koyama Katsuji, Koyama Shu, Kretschmar Peter, Krimm Hans A., Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lee Shiu-Hang, Leutenegger Maurice A., Limousin Olivier, Loewenstein Michael, Long Knox S., Lumb David, Madejski Greg, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Masters Candace, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, Mcguinness Daniel, McNamar Brian R., Mehdipour Missagh, Miko Joseph, Miller Eric D., Miller Jon M., Mineshige Shin, Minesugi Kenji, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Moroso Franco, Moseley Harvey, Muench Theodore, Mukai Koji, Murakami Hiroshi, Murakami Toshio, Mushotzky Richard F., Nagano Housei, Nagino Ryo, Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakano Toshio, Nakashima Shinya, Nakazawa Kazuhiro, Namba Yoshiharu, Natsukari Chikara, Nishioka Yusuke, Nobukawa Kumiko K., Nobukawa Masayoshi, Noda Hirofumi, Nomachi Masaharu, Odaka Hirokazu, Ogawa Hiroyuki, Ogawa Mina, Ogi Keiji, Ohno Masanori, Ohta Masayuki, Okajima Takashi, Okamoto Atsushi, Okazaki Tsuyoshi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Parmar Arvind, Petre Robert, Pinto Ciro, de Plaa Jelle, Pohl Martin, Pontius James, Porter Frederick S., Pottschmidt Katja, Ramsey Brian, Reynolds Christopher, Russell Helen, Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sakai Shin-ichiro, Sameshima Hiroaki, Sasaki Toru, Sato Goro, Sato Kosuke, Sato Rie, Sato Yoichi, Sawada Makoto, Schartel Norbert, Serlemitsos Peter J., Seta Hiromi, Shibano Yasuko, Shida Maki, Shidatsu Megumi, Shimada Takanobu, Shinozaki Keisuke, Shirron Peter, Simionescu Aurora, Simmons Cynthia, Smith Randall K., Sneiderman Gary, Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Sugita Hiroyuki, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takeda Shin'ichiro, Takei Yoh, Tamagawa Toru, Tamura Takayuki, Tamura Keisuke, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki T., Tashiro Makoto S., Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi Go, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Ueda Yoshihiro, Ueno Shiro, Uno Shin'ichiro, Urry C. Megan, Ursino Eugenio, de Vries Cor P., Wada Atsushi, Watanabe Shin, Watanabe Tomomi, Werner Norbert, Wik Daniel R., Wilkins Dan R., Williams Brian J., Yamada Shinya, Yamada Takahiro, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Yoshida Atsumasa, Yuasa Takayuki, Zhuravleva Irina, Zoghbi Abderahmen

    JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS   Vol. 4 ( 2 )   2018.4

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    DOI: 10.1117/1.JATIS.4.2.021402

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  70. Hard x-ray imager onboard Hitomi (ASTRO-H)

    Nakazawa Kazuhiro, Sato Goro, Kokubun Motohide, Enoto Teruaki, Fukazawa Yasushi, Hagino Kouichi, Hayashi Katsuhiro, Kataoka Jun, Katsuta Junichiro, Kobayashi Shogo B., Laurent Philippe, Lebrun Francois, Limousin Olivier, Maier Daniel, Makishima Kazuo, Mizuno Tsunefumi, Mori Kunishiro, Nakamori Takeshi, Nakano Toshio, Noda Hirofumi, Odaka Hirokazu, Ohno Masanori, Ohta Masayuki, Saito Shinya, Sato Rie, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shin'ichiro, Tanaka Takaaki, Terada Yukikatsu, Uchiyama Hideki, Uchiyama Yasunobu, Watanabe Shin, Yamaoka Kazutaka, Yatsu Yoichi, Yuasa Takayuki

    JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS   Vol. 4 ( 2 )   2018.4

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    DOI: 10.1117/1.JATIS.4.2.021410

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  71. Design and performance of Soft Gamma-ray Detector onboard the Hitomi (ASTRO-H) satellite

    Tajima Hiroyasu, Watanabe Shin, Fukazawa Yasushi, Blandford Roger, Enoto Teruaki, Goldwurm Andrea, Hagino Kouichi, Hayashi Katsuhiro, Ichinohe Yuto, Kataoka Jun, Katsuta Jun'ichiro, Kitaguchi Takao, Kokubun Motohide, Laurent Philippe, Lebrun Francois, Limousin Olivier, Madejski Grzegorz M., Makishima Kazuo, Mizuno Tsunefumi, Mori Kunishiro, Nakamori Takeshi, Nakano Toshio, Nakazawa Kazuhiro, Noda Hirofumi, Odaka Hirokazu, Ohno Masanori, Ohta Masayuki, Saito Shinya, Sato Goro, Sato Rie, Takeda Shin'ichiro, Takahashi Hiromitsu, Takahashi Tadayuki, Tanaka Takaaki, Tanaka Yasuyuki, Terada Yukikatsu, Uchiyama Hideki, Uchiyama Yasunobu, Yamaoka Kazutaka, Yatsu Yoichi, Yonetoku Daisuke, Yuasao Takayuki

    JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS   Vol. 4 ( 2 )   2018.4

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    DOI: 10.1117/1.JATIS.4.2.021411

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  72. Alternative Explanations for Extreme Supersolar Iron Abundances Inferred from the Energy Spectrum of Cygnus X-1

    Tomsick John A., Parker Michael L., Garcia Javier A., Yamaoka Kazutaka, Barret Didier, Chiu Jeng-Lun, Clavel Maica, Fabian Andrew, Furst Felix, Gandhi Poshak, Grinberg Victoria, Miller Jon M., Pottschmidt Katja, Walton Dominic J.

    ASTROPHYSICAL JOURNAL   Vol. 855 ( 1 )   2018.3

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    DOI: 10.3847/1538-4357/aaaab1

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  73. Measurements of resonant scattering in the Perseus Cluster core with Hitomi SXS

    Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Angelini Lorella, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Bamba Aya, Bautz Marshall W., Blandford Roger, Brenneman Laura W., Brown Gregory V, Bulbul Esra, Cackett Edward M., Chernyakova Maria, Chiao Meng P., Coppi Paolo S., Costantini Elisa, de Plaa Jelle, de Vries Cor P., den Herder Jan-Willem, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan E., Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam R., Fujimoto Ryuichi, Fukazawa Yasushi, Furukawa Maki, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi C., Gandhi Poshak, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harrus Ilana M., Hatsukade Isamu, Hayashi Katsuhiro, Hayashi Takayuki, Hayashida Kiyoshi, Hiraga Junko S., Hornschemeier Ann, Hoshino Akio, Hughes John P., Ichinohe Yuto, Iizuka Ryo, Inoue Hajime, Inoue Yoshiyuki, Ishida Manabu, Ishikawa Kumi, Ishisaki Yoshitaka, Iwai Masachika, Kaastra Jelle, Kallman Tim, Kamae Tsuneyoshi, Kataoka Jun, Katsuda Satoru, Kawai Nobuyuki, Kelley Richard L., Kilbourne Caroline A., Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kokubun Motohide, Koyama Katsuji, Koyama Shu, Kretschmar Peter, Krimm Hans A., Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lee Shiu-Hang, Leutenegger Maurice A., Limousin Olivier O., Loewenstein Michael, Long Knox S., Lumb David, Madejski Greg, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, McNamara Brian R., Mehdipour Missagh, Miller Eric D., Miller Jon M., Mineshige Shin, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Mukai Koji, Murakami Hiroshi, Mushotzky Richard F., Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakashima Shinya, Nakazawa Kazuhiro, Norukawa Kumiko K., Nobukawa Masayoshi, Noda Hirofumi, Odaka Hirokazu, Ogorzalek Anna, Ohashi Takaya, Ohno Masanori, Okajima Takashi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Petre Robert, Pinto Ciro, Porter Frederick S., Pottschmidt Katja, Reynolds Christopher S., Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sasaki Toru, Sato Goro, Sato Kosuke, Sato Rie, Sawada Makoto, Schartel Norbert, Serlemitsos Peter J., Seta Hiromi, Shidatsu Megumi, Simionescu Aurora, Smith Randall K., Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shinichiro, Takei Yoh, Tamagawa Toru, Tamura Takayuki, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki T., Tashiro Makoto S., Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi Go, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Ueda Yoshihiro, Uno Shinichiro, Urry C. Megan, Ursino Eugenio, Watanabe Shin, Werner Norbert, Wilkins Dan R., Williams Brian J., Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Zhuravleva Irina, Zoghbi Abderahmen

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 70 ( 2 )   2018.3

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    DOI: 10.1093/pasj/psx127

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  74. Hitomi X-ray studies of giant radio pulses from the Crab pulsar

    Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Angelini Lorella, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Bamba Aya, Bautz Marshall W., Blandford Roger, Brenneman Laura W., Brown Gregory V, Bulbul Esra, Cackett Edward M., Chernyakova Maria, Chiao Meng P., Coppi Paolo S., Costantini Elisa, De Plaa Jelle, De Vries Cor P., Den Herder Jan-Willem, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan E., Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam R., Fujimoto Ryuichi, Fukazawa Yasushi, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi C., Gandhi Poshak, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harrus Ilana M., Hatsukade Isamu, Hayashi Katsuhiro, Hayashi Takayuki, Hayashida Kiyoshi, Hiraga Junko S., Hornschemeier Ann, Hoshino Akio, Hughes John P., Ichinohe Yuto, Iizuka Ryo, Inoue Hajime, Inoue Yoshiyuki, Ishida Manabu, Ishikawa Kumi, Ishisaki Yoshitaka, Iwai Masachika, Kaastra Jelle, Kallman Tim, Kamae Tsuneyoshi, Kataoka Jun, Katsuda Satoru, Kawai Nobuyuki, Kelley Richard L., Kilbourne Caroline A., Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kokubun Motohide, Koyama Katsuji, Koyama Shu, Kretschmar Peter, Krimm Hans A., Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lee Shiu-Hang, Leutenegger Maurice A., Limousin Olivier O., Loewenstein Michael, Long Knox S., Lumb David, Madejski Greg, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, McNamara Brian R., Mehdipour Missagh, Miller Eric D., Miller Jon M., Mineshige Shin, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Mukai Koji, Murakami Hiroshi, Mushotzky Richard F., Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakashima Shinya, Nakazawa Kazuhiro, Nobukawa Kumiko K., Nobukawa Masayoshi, Noda Hirofumi, Odaka Hirokazu, Ohashi Takaya, Ohno Masanori, Okajima Takashi, Oshimizu Kenya, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Petre Robert, Pinto Ciro, Porter Frederick S., Pottschmidt Katja, Reynolds Christopher S., Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sasaki Toru, Sato Goro, Sato Kosuke, Sato Rie, Sawada Makoto, Schartel Norbert, Serlemtsos Peter J., Seta Hiromi, Shidatsu Megumi, Simionescu Aurora, Smith Randall K., Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shinichiro, Takei Yoh, Tamagawa Toru, Tamura Takayuki, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki T., Tashiro Makoto S., Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi Go, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Ueda Yoshihiro, Uno Shinichiro, Urry C. Megan, Ursino Eugenio, Watanabe Shin, Werner Norbert, Wilkins Dan R., Williams Brian J., Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Zhuravleva Irina, Zoghbi Abderahmen, Terasawa Toshio, Sekido Mamoru, Takefuji Kazuhiro, Kawai Eiji, Misawa Hiroaki, Tsuchiya Fuminori, Yamazaki Ryo, Kobayashi Eiji, Kisaka Shota, Aoki Takahiro

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 70 ( 2 )   2018.3

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    DOI: 10.1093/pasj/psx083

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  75. Hitomi observations of the LMC SNR N 132 D: Highly redshifted X-ray emission from iron ejecta

    Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Angelini Lorella, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Bamba Aya, Bautz Marshall W., Blandford Roger, Brenneman Laura W., Brown Gregory V, Bulbul Esra, Cackett Edward M., Chernyakova Maria, Chiao Meng P., Coppi Paolo S., Costantini Elisa, de Plaa Jelle, de Vries Cor P., den Herder Jan-Willem, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan E., Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam R., Fujimoto Ryuichi, Fukazawa Yasushi, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi C., Gandhi Poshak, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harrus Ilana M., Hatsukade Isamu, Hayashi Katsuhiro, Hayashi Takayuki, Hayashida Kiyoshi, Hiraga Junko S., Hornschemeier Ann, Hoshino Akio, Hughes John P., Ichinohe Yuto, Iizuka Ryo, Inoue Hajime, Inoue Yoshiyuki, Ishida Manabu, Ishikawa Kumi, Ishisaki Yoshitaka, Iwai Masachika, Kaastra Jelle, Kallman Tim, Kamae Tsuneyoshi, Kataoka Jun, Katsuda Satoru, Kawai Nobuyuki, Kelley Richard L., Kilbourne Caroline A., Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kokubun Motohide, Koyama Katsuji, Koyama Shu, Kretschmar Peter, Krimm Hans A., Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lee Shiu-Hang, Leutenegger Maurice A., Limousin Olivier, Loewenstein Michael, Long Knox S., Lumb David, Madejski Greg, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, McNamara Brian R., Mehdipour Missagh, Miller Eric D., Miller Jon M., Mineshige Shin, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Mukai Koji, Murakami Hiroshi, Mushotzky Richard F., Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakashima Shinya, Nakazawa Kazuhiro, Norukawa Kumiko K., Nobukawa Masayoshi, Noda Hirofumi, Odaka Hirokazu, Ohashi Takaya, Ohno Masanori, Okajima Takashi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Petre Robert, Pinto Ciro, Porter Frederick S., Pottschmidt Katja, Reynolds Christopher S., Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sasaki Toru, Sato Goro, Sato Kosuke, Sato Rie, Sato Toshiki, Sawada Makoto, Schartel Norbert, Serlemitsos Peter J., Seta Hiromi, Shidatsu Megumi, Simionescu Aurora, Smith Randall K., Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shin'ichiro, Takei Yoh, Tamagawa Toru, Tamura Takayuki, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki T., Tashiro Makoto S., Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi Go, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Ueda Yoshihiro, Uno Shin'ichiro, Urry C. Megan, Ursino Eugenio, Watanabe Shin, Werner Norbert, Wilkins Dan R., Williams Brian J., Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Zhuravleva Irina, Zoghbi Abderahmen

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 70 ( 2 )   2018.3

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    DOI: 10.1093/pasj/psx151

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  76. Hitomi observation of radio galaxy NGC 1275: The first X-ray microcalorimeter spectroscopy of Fe-K alpha line emission from an active galactic nucleus

    Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Angelini Lorella, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Bamba Aya, Bautz Marshall W., Blandford Roger, Brenneman Laura W., Brown Gregory V, Bulbul Esra, Cackett Edward M., Chernyakova Maria, Chiao Meng P., Coppi Paolo S., Costantini Elisa, de Plaa Jelle, de Vries Cor P., den Herder Jan-Willem, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan E., Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam R., Fujimoto Ryuichi, Fukazawa Yasushi, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi C., Gandhi Poshak, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harrus Ilana M., Hatsukade Isamu, Hayashi Katsuhiro, Hayashi Takayuki, Hayashida Kiyoshi, Hiraga Junko S., Hornschemeier Ann, Hoshino Akio, Hughes John P., Ichinohe Yuto, Iizuka Ryo, Inoue Hajime, Inoue Yoshiyuki, Ishida Manabu, Ishikawa Kumi, Ishisaki Yoshitaka, Iwai Masachika, Kaastra Jelle, Kallman Tim, Kamae Tsuneyoshi, Kataoka Jun, Katsuda Satoru, Kawai Nobuyuki, Kelley Richard L., Kilbourne Caroline A., Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kokubun Motohide, Koyama Katsuji, Koyama Shu, Kretschmar Peter, Krimm Hans A., Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lee Shiu-Hang, Leutenegger Maurice A., Limousin Olivier O., Loewenstein Michael, Long Knox S., Lumb David, Madejski Greg, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, McNamara Brian R., Mehdipour Missagh, Miller Eric D., Miller Jon M., Mineshige Shin, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Mukai Koji, Murakami Hiroshi, Mushotzky Richard F., Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakashima Shinya, Nakazawa Kazuhiro, Norukawa Kumiko K., Nobukawa Masayoshi, Noda Hirofumi, Odaka Hirokazu, Ohashi Takaya, Ohno Masanori, Okajima Takashi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Petre Robert, Pinto Ciro, Porter Frederick S., Pottschmidt Katja, Reynolds Christopher S., Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sasaki Toru, Sato Goro, Sato Kosuke, Sato Rie, Sawada Makoto, Schartel Norbert, Serlemitsos Peter J., Seta Hiromi, Shidatsu Megumi, Simionescu Aurora, Smith Randall K., Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shin'ichiro, Takei Yoh, Tamagawa Toru, Tamura Takayuki, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki T., Tashiro Makoto S., Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi Go, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Ueda Yoshihiro, Uno Shin'ichiro, Urry C. Megan, Ursino Eugenio, Watanabe Shin, Werner Norbert, Wilkins Dan R., Williams Brian J., Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Zhuravleva Irina, Zoghbi Abderahmen, Kawamuro Taiki

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 70 ( 2 )   2018.3

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    DOI: 10.1093/pasj/psx147

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  77. Glimpse of the highly obscured HMXB IGR J16318-4848 with Hitomi

    Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Angelini Lorella, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Bamba Aya, Bautz Marshall W., Blandford Roger, Brenneman Laura W., Brown Gregory V, Bulbul Esra, Cackett Edward M., Chernyakova Maria, Chiao Meng P., Coppi Paolo S., Costantini Elisa, de Plaa Jelle, de Vries Cor P., den Herder Jan-Willem, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan E., Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam R., Fujimoto Ryuichi, Fukazawa Yasushi, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi C., Gandhi Poshak, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harrus Ilana M., Hatsukade Isamu, Hayashi Katsuhiro, Hayashi Takayuki, Hayashida Kiyoshi, Hiraga Junko S., Hornschemeier Ann, Hoshino Akio, Hughes John P., Ichinohe Yuto, Iizuka Ryo, Inoue Hajime, Inoue Yoshiyuki, Ishida Manabu, Ishikawa Kumi, Ishisaki Yoshitaka, Iwai Masachika, Kaastra Jelle, Kallman Tim, Kamae Tsuneyoshi, Kataoka Jun, Katsuda Satoru, Kawai Nobuyuki, Kelley Richard L., Kilbourne Caroline A., Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kokubun Motohide, Koyama Katsuji, Koyama Shu, Kretschmar Peter, Krimm Hans A., Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lee Shiu-Hang, Leutenegger Maurice A., Limousin Olivier O., Loewenstein Michael, Long Knox S., Lumb David, Madejski Greg, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, McNamara Brian R., Mehdipour Missagh, Miller Eric D., Miller Jon M., Mineshige Shin, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Mukai Koji, Murakami Hiroshi, Mushotzky Richard F., Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakashima Shinya, Nakazawa Kazuhiro, Norukawa Kumiko K., Nobukawa Masayoshi, Noda Hirofumi, Odaka Hirokazu, Ohashi Takaya, Ohno Masanori, Okajima Takashi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Petre Robert, Pinto Ciro, Porter Frederick S., Pottschmidt Katja, Reynolds Christopher S., Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sasaki Toru, Sato Goro, Sato Kosuke, Sato Rie, Sawada Makoto, Schartel Norbert, Serlemitsos Peter J., Seta Hiromi, Shidatsu Megumi, Simionescu Aurora, Smith Randall K., Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shinichiro, Takei Yoh, Tamagawa Toru, Tamura Takayuki, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki T., Tashiro Makoto S., Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi Go, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Ueda Yoshihiro, Uno Shinichiro, Urry C. Megan, Ursino Eugenio, Watanabe Shin, Werner Norbert, Wilkins Dan R., Williams Brian J., Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Zhuravleva Irina, Zoghbi Abderahmen, Nakaniwa Nozomi

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 70 ( 2 )   2018.3

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  78. Atomic data and spectral modeling constraints from high-resolution X-ray observations of the Perseus cluster with Hitomi

    Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Angelini Lorella, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Bamba Aya, Bautz Marshall W., Blandford Roger, Brenneman Laura W., Brown Gregory V, Bulbul Esra, Cackett Edward M., Chernyakova Maria, Chiao Meng P., Coppi Paolo S., Costantini Elisa, de Plaa Jelle, de Vries Cor P., den Herder Jan-Willem, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan E., Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam R., Fujimoto Ryuichi, Fukazawa Yasushi, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi C., Gandhi Poshak, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harrus Ilana M., Hatsukade Isamu, Hayashi Katsuhiro, Hayashi Takayuki, Hayashida Kiyoshi, Hell Natalie, Hiraga Junko S., Hornschemeier Ann, Hoshino Akio, Hughes John P., Ichinohe Yuto, Iizuka Ryo, Inoue Hajime, Inoue Yoshiyuki, Ishida Manabu, Ishikawa Kumi, Ishisaki Yoshitaka, Iwai Masachika, Kaastra Jelle, Kallman Tim, Kamae Tsuneyoshi, Kataoka Jun, Katsuda Satoru, Kawai Nobuyuki, Kelley Richard L., Kilbourne Caroline A., Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kokubun Motohide, Koyama Katsuji, Koyama Shu, Kretschmar Peter, Krimm Hans A., Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lee Shiu-Hang, Leutenegger Maurice A., Limousin Olivier O., Loewenstein Michael, Long Knox S., Lumb David, Madejski Greg, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, McNamara Brian R., Mehdipour Missagh, Miller Eric D., Miller Jon M., Mineshige Shin, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Mukai Koji, Murakami Hiroshi, Mushotzky Richard F., Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakashima Shinya, Nakazawa Kazuhiro, Norukawa Kumiko K., Nobukawa Masayoshi, Noda Hirofumi, Odaka Hirokazu, Ohashi Takaya, Ohno Masanori, Okajima Takashi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Petre Robert, Pinto Ciro, Porter Frederick S., Pottschmidt Katja, Reynolds Christopher S., Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sasaki Toru, Sato Goro, Sato Kosuke, Sato Rie, Sawada Makoto, Schartel Norbert, Serlemitsos Peter J., Seta Hiromi, Shidatsu Megumi, Simionescu Aurora, Smith Randall K., Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shin'ichiro, Takei Yoh, Tamagawa Toru, Tamura Takayuki, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki T., Tashiro Makoto S., Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi Go, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Ueda Yoshihiro, Uno Shin'ichiro, Urry C. Megan, Ursino Eugenio, Watanabe Shin, Werner Norbert, Wilkins Dan R., Williams Brian J., Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Zhuravleva Irina, Zoghbi Abderahmen, Raassen A. J. J.

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 70 ( 2 )   2018.3

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    DOI: 10.1093/pasj/psx156

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  79. Atmospheric gas dynamics in the Perseus cluster observed with Hitomi

    Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Angelini Lorella, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Bamba Aya, Bautz Marshall W., Blandford Roger, Brenneman Laura W., Brown Gregory V, Bulbul Esra, Cackett Edward M., Canning Rebecca E. A., Chernyakova Maria, Chiao Meng P., Coppi Paolo S., Costantini Elisa, de Plaa Jelle, de Vries Cor P., den Herder Jan-Willem, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan E., Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam R., Fujimoto Ryuichi, Fukazawa Yasushi, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi C., Gandhi Poshak, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harrus Ilana M., Hatsukade Isamu, Hayashi Katsuhiro, Hayashi Takayuki, Hayashi Tasuku, Hayashida Kiyoshi, Hiraga Junko S., Hornschemeier Ann, Hoshino Akio, Hughes John P., Ichinohe Yuto, Iizuka Ryo, Inoue Hajime, Inoue Shota, Inoue Yoshiyuki, Ishida Manabu, Ishikawa Kumi, Ishisaki Yoshitaka, Iwai Masachika, Kaastra Jelle, Kallman Tim, Kamae Tsuneyoshi, Kataoka Jun, Katsuda Satoru, Kawai Nobuyuki, Kelley Richard L., Kilbourne Caroline A., Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kokubun Motohide, Koyama Katsuji, Koyama Shu, Kretschmar Peter, Krimm Hans A., Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lee Shiu-Hang, Leutenegger Maurice A., Limousin Olivier, Loewenstein Michael, Long Knox S., Lumr David, Madejski Greg, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, McNamara Brian R., Mehdipour Missagh, Miller Eric D., Miller Jon M., Mineshige Shin, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Mukai Koji, Murakami Hiroshi, Mushotzky Richard F., Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakashima Shinya, Nakazawa Kazuhiro, Norukawa Kumiko K., Nobukawa Masayoshi, Noda Hirofumi, Odaka Hirokazu, Ohashi Takaya, Ohno Masanori, Okajima Takashi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Petre Robert, Pinto Ciro, Porter Frederick S., Pottschmidt Katja, Reynolds Christopher S., Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sasaki Toru, Sato Goro, Sato Kosuke, Sato Rie, Sawada Makoto, Schartel Norbert, Serlemitsos Peter J., Seta Hiromi, Shidatsu Megumi, Simionescu Aurora, Smith Randall K., Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shin'ichiro, Takei Yoh, Tamagawa Toru, Tamura Takayuki, Tanaka Keigo, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki T., Tashiro Makoto S., Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi Go, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Ueda Yoshihiro, Uno Shin'ichiro, Urry C. Megan, Ursino Eugenio, Wang Qian H. S., Watanabe Shin, Werner Norbert, Wilkins Dan R., Williams Brian J., Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Zhuravleva Irina, Zoghbi Abderahmen

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 70 ( 2 )   2018.3

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    DOI: 10.1093/pasj/psx138

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  80. Search for thermal X-ray features from the Crab nebula with the Hitomi soft X-ray spectrometer

    Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Angelini Lorella, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Bamba Aya, Bautz Marshall W., Blandford Roger, Brenneman Laura W., Brown Gregory V, Bulbul Esra, Cackett Edward M., Chernyakova Maria, Chiao Meng P., Coppi Paolo S., Costantini Elisa, de Plaa Jelle, de Vries Cor P., den Herder Jan-Willem, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan E., Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam R., Fujimoto Ryuichi, Fukazawa Yasushi, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi C., Gandhi Poshak, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haba Yoshito, Hagino Kouichi, Hamaguch Kenji, Harrus Ilana M., Hatsukade Isamu, Hayashi Katsuhiro, Hayashi Takayuki, Hayashida Kiyoshi, Hiraga Junko S., Hornschemeier Ann, Hoshino Akio, Hughes John P., Ichinohe Yuto, Iizuka Ryo, Inoue Hajime, Inoue Yoshiyuki, Ishida Manabu, Ishikawa Kumi, Ishisaki Yoshitaka, Kaastra Jelle, Kallman Tim, Kamae Tsuneyoshi, Kataoka Jun, Katsuda Satoru, Kawai Nobuyuki, Kelley Richard L., Kilbourne Caroline A., Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kokubun Motohide, Koyama Katsuji, Koyama Shu, Kretschmar Peter, Krimm Hans A., Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lee Shiu-Hang, Leutenegger Maurice A., Limousin Olivier, Loewenstein Michael, Long Knox S., Lumb David, Madejski Greg, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, McNamara Brian R., Mehdipour Missagh, Miller Eric D., Miller Jon M., Mineshige Shin, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Mukai Koji, Murakami Hiroshi, Mushotzky Richard F., Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakashima Shinya, Nakazawa Kazuhiro, Nobukawa Kumiko K., Nobukawa Masayoshi, Noda Hirofumi, Odaka Hirokazu, Ohashi Takaya, Ohno Masanori, Okajima Takashi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Petre Robert, Pinto Ciro, Porter Frederick S., Pottschmidt Katja, Reynolds Christopher S., Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sasaki Toru, Sato Goro, Sato Kosuke, Sato Rie, Sato Toshiki, Sawada Makoto, Schartel Norbert, Serlemtsos Peter J., Seta Hiromi, Shidatsu Megumi, Simionescu Aurora, Smith Randall K., Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shin'ichiro, Takei Yoh, Tamagawa Toru, Tamura Takayuki, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki T., Tashiro Makoto S., Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi Go, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Ueda Yoshihiro, Uno Shin'ichiro, Urry C. Megan, Ursino Eugenio, Watanabe Shin, Werner Norbert, Wilkins Dan R., Williams Brian J., Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Zhuravleva Irina, Zoghbi Abderahmen, Tominaga Nozomu, Moriya Takashi J.

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 70 ( 2 )   2018.3

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    DOI: 10.1093/pasj/psx072

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  81. The 7-year MAXI/GSC Source Catalog of the Low-Galactic-latitude Sky (3MAXI)

    Hori T., Shidatsu M., Ueda Y., Kawamuro T., Morii M., Nakahira S., Isobe N., Kawai N., Mihara T., Matsuoka M., Morita T., Nakajima M., Negoro H., Oda S., Sakamoto T., Serino M., Sugizaki M., Tanimoto A., Tomida H., Tsuboi Y., Tsunemi H., Ueno S., Yamaoka K., Yamada S., Yoshida A., Iwakiri W., Kawakubo Y., Sugawara Y., Sugita S., Tachibana Y., Yoshii T.

    ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES   Vol. 235 ( 1 )   2018.3

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    DOI: 10.3847/1538-4365/aaa89c

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  82. Temperature structure in the Perseus cluster core observed with Hitomi

    Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Angelini Lorella, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Bamba Aya, Bautz Marshall W., Blandford Roger, Brenneman Laura W., Brown Gregory V, Bulbul Esra, Cackett Edward M., Chernyakova Maria, Chiao Meng P., Coppi Paolo S., Costantini Elisa, de Plaa Jelle, de Vries Cor P., den Herder Jan-Willem, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan E., Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam R., Fujimoto Ryuichi, Fukazawa Yasushi, Furukawa Maki, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi C., Gandhi Poshak, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harrus Ilana M., Hatsukade Isamu, Hayashi Katsuhiro, Hayashi Takayuki, Hayashida Kiyoshi, Hiraga Junko S., Hornschemeier Ann, Hoshino Akio, Hughes John P., Ichinohe Yuto, Iizuka Ryo, Inoue Hajime, Inoue Yoshiyuki, Ishida Manabu, Ishikawa Kumi, Ishisaki Yoshitaka, Iwai Masachika, Kaastra Jelle, Kallman Tim, Kamae Tsuneyoshi, Kataoka Jun, Kato Yuichi, Katsuda Satoru, Kawai Nobuyuki, Kelley Richard L., Kilbourne Caroline A., Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kokubun Motohide, Koyama Katsuji, Koyama Shu, Kretschmar Peter, Krimm Hans A., Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lee Shiu-Hang, Leutenegger Maurice A., Limousin Olivier, Loewenstein Michael, Long Knox S., Lumb David, Madejski Greg, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, McNamara Brian R., Mehdipour Missagh, Miller Eric D., Miller Jon M., Mineshige Shin, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Mukai Koji, Murakami Hiroshi, Mushotzky Richard F., Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakashima Shinya, Nakazawa Kazuhiro, Norukawa Kumiko K., Nobukawa Masayoshi, Noda Hirofumi, Odaka Hirokazu, Ohashi Takaya, Ohno Masanori, Okajima Takashi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Petre Robert, Pinto Ciro, Porter Frederick S., Pottschmidt Katja, Reynolds Christopher S., Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sasaki Toru, Sato Goro, Sato Kosuke, Sato Rie, Sawada Makoto, Schartel Norbert, Serlemitsos Peter J., Seta Hiromi, Shidatsu Megumi, Simionescu Aurora, Smith Randall K., Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shinichiro, Takei Yoh, Tamagawa Toru, Tamura Takayuki, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki T., Tashiro Makoto S., Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi Go, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Ueda Yoshihiro, Uno Shinichiro, Urry C. Megan, Ursino Eugenio, Watanabe Shin, Werner Norbert, Wilkins Dan R., Williams Brian J., Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Zhuravleva Irina, Zoghbi Abderahmen

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 70 ( 2 )   2018.3

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    DOI: 10.1093/pasj/psy004

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  83. Detection of the thermal component in GRB 160107A

    Kawakubo Yuta, Sakamoto Takanori, Nakahira Satoshi, Yamaoka Kazutaka, Serino Motoko, Asaoka Yoichi, Cherry Michael L., Matsukawa Shohei, Mori Masaki, Nakagawa Yujin, Ozawa Shunsuke, Penacchioni Ana V., Ricciarini Sergio B., Tezuka Akira, Torii Shoji, Yamada Yusuke, Yoshida Atsumasa

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 70 ( 1 )   2018.1

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    DOI: 10.1093/pasj/psx152

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  84. Concept of X-ray Astronomy Recovery Mission

    Tashiro Makoto, Maejima Hironori, Toda Kenichi, Kelley Richard, Reichenthal Lillian, Lobell James, Petre Robert, Guainazzi Matteo, Costantini Elisa, Edison Mark, Fujimoto Ryuichi, Grim Martin, Hayashida Kiyoshi, den Herder Jan-Willem, Ishisaki Yoshitaka, Paltani Stephane, Matsushita Kyoko, Mori Koji, Sneiderman Gary, Takei Yoh, Terada Yukikatsu, Tomida Hiroshi, Akamatsu Hiroki, Angelini Lorella, Arai Yoshitaka, Awaki Hisamitsu, Babyk Iurii, Bamba Aya, Barfknecht Peter, Barnstable Kim, Bialas Thomas, Blagojevic Branimir, Bonafede Joseph, Brambora Clifford, Brenneman Laura, Brown Greg, Brown Kimberly, Burns Laura, Canavan Edgar, Carnahan Tim, Chiao Meng, Comber Brian, Corrales Lia, de Vries Cor, Dercksen Johannes, Diaz-Trigo Maria, Dillard Tyrone, DiPirro Michael, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan, Enoto Teruaki, Ezoe Yuichiro, Ferrigno Carlo, Fujita Yutaka, Fukazawa Yasushi, Furuzawa Akihiro, Gallo Luigi, Graham Steve, Gu Liyi, Hagino Kohichi, Hamaguchi Kenji, Hatsukade Isamu, Hawes Dean, Hayashi Takayuki, Hegarty Cailey, Hell Natalie, Hiraga Junko, Hodges-Kluck Edmund, Holland Matt, Hornschemeier Ann, Hoshino Akio, Ichinohe Yuto, Iizuka Ryo, Ishibashi Kazunori, Ishida Manabu, Ishikawa Kumi, Ishimura Kosei, James Bryan, Kallman Timothy, Kara Erin, Katsuda Satoru, Kenyon Steven, Kilbourne Caroline, Kimball Mark, Kitaguchi Takao, Kitamoto Shunji, Kobayashi Shogo, Kohmura Takayoshi, Koyama Shu, Kubota Aya, Leutenegger Maurice, Lockard Tom, Loewenstein Mike, Maeda Yoshitomo, Marbley Lynette, Markevitch Maxim, Martz Connor, Matsumoto Hironori, Matsuzaki Keiichi, McCammon Dan, McNamara Brian, Miko Joseph, Miller Eric, Miller Jon, Minesugi Kenji, Mitsuishi Ikuyuki, Mizuno Tsunefumi, Mori Hideyuki, Mukai Koji, Murakami Hiroshi, Mushotzky Richard, Nakajima Hiroshi, Nakamura Hideto, Nakashima Shinya, Nakazawa Kazuhiro, Natsukari Chikara, Nigo Kenichiro, Nishioka Yusuke, Nobukawa Kumiko, Nobukawa Masayoshi, Noda Hirofumi, Odaka Hirokazu, Ogawa Mina, Ohashi Takaya, Ohno Masahiro, Ohta Masayuki, Okajima Takashi, Okamoto Atsushi, Onizuka Michitaka, Ota Naomi, Ozaki Masanobu, Plucinsky Paul, Porter F. Scott, Pottschmidt Katja, Sato Kosuke, Sato Rie, Sawada Makoto, Seta Hiromi, Shelton Ken, Shibano Yasuko, Shida Maki, Shidatsu Megumi, Shirron Peter, Simionescu Aurora, Smith Randall, Someya Kazunori, Soong Yang, Sugawara Yasuharu, Szymkowiak Andy, Takahashi Hiromitsu, Tamagawa Toru, Tamura Takayuki, Tanaka Takaaki, Terashima Yuichi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi, Uchida Hiroyuki, Uchiyama Hideki, Ueda Yoshihiro, Uno Shinichiro, Walsh Thomas, Watanabe Shin, Williams Brian, Wolfs Rob, Wright Michael, Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko, Yamauchi Shigeo, Yamauchi Makoto, Yanagase Keiichi, Yaqoob Tahir, Yasuda Susumu, Yoshioka Nasa, Zabala Jaime, Zhuravleva Irina

    SPACE TELESCOPES AND INSTRUMENTATION 2018: ULTRAVIOLET TO GAMMA RAY   Vol. 10699   2018

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    DOI: 10.1117/12.2309455

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  85. Soft X-ray Imaging Telescope (Xtend) onboard X-ray Astronomy Recovery Mission (XARM)

    Hayashida Kiyoshi, Tomida Hiroshi, Mori Koji, Nakajima Hiroshi, Tanaka Takaaki, Uchida Hiroyuki, Tsuru Takeshi G., Murakami Hiroshi, Okajima Takashi, Kohmura Takayoshi, Hagino Kohichi, Kobayashi Shogo B., Ishida Manabu, Maeda Yoshitomo, Uchiyama Hideki, Yamaoka Kazutaka, Matsumoto Hironori, Nobukawa Masayoshi, Nobukawa Kumiko K., Hiraga Junko S., Yamauchi Makoto, Hatsukade Isamu, Soong Yang, Mori Hideyuki, Hayashi Takayuki, Tsunemi Hiroshi, Ozaki Masanobu, Dotani Tadayasu, Iwagaki Junichi, Yoneyema Tomokage, Okazaki Koki, Asakura Kazunori, Onishi Satomi, Kanemaru Yoshiaki, Sato Jin, Nishioka Yusuke, Takeda Ayaki, Okon Hiromichi, Yoshida Masayuki, Shimoi Takeo

    SPACE TELESCOPES AND INSTRUMENTATION 2018: ULTRAVIOLET TO GAMMA RAY   Vol. 10699   2018

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    DOI: 10.1117/12.2311446

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  86. Solar Neutron and Gamma-ray Spectrometer For a Small Satellite

    Yamaoka Kazutaka, Tajima Hiroyasu, Itow Yoshitaka, Fujii Hirosame, Nakanishi Yuta, Kamei Yuhei, Yamakawa Takeharu, Niwa Takumi, Okui Itsuki, Miyata Kikuko, Inamori Takaya

    HARD X-RAY, GAMMA-RAY, AND NEUTRON DETECTOR PHYSICS XX   Vol. 10762   2018

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    DOI: 10.1117/12.2323451

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  87. Space-based solar neutron observations for cubesat project

    Miyata K., Yamaoka K., Tajima H.

    Proceedings of the International Astronautical Congress, IAC   Vol. 2018-October   2018

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Proceedings of the International Astronautical Congress, IAC  

    It is known that cosmic-rays are accelerated and propagated to the Earth in association with solar flares, however, particle acceleration mechanism is still unknown. Only neutrons can be direct probe to clarify the ion acceleration mechanism in the Sun because they are not affected by the magnetic field, and thus directly travel to the Earth with original acceleration information. However, there is only a few 10s solar neutron detection since its discovery in 1980, because the energy is attenuated by the Earth atmosphere and previous ground-based neutron detectors have insufficient sensitivity. One space-based detector on-board the International Space Station dedicated for solar neutron observation and it has detected more than 20 solar neutrons so far, but is suffered from secondary neutron background from the ISS itself with a huge mass. Small satellites with a tiny mass are expected to perform highly sensitive observation with much smaller neutron background. Therefore, this paper proposes a Cubesat to detect neutrons whose energies lower than 100 MeV. The satellite consists of a very compact and high sensitive solar neutron spectrometer and supporting bus system. The detector utilizes novel photon-detector MPPC (Multi-Pixel Photon Counter) which realizes the detector smaller. This device has not been used in the space environment and its on-orbit verification is another purpose of this mission. For the satellite system design, this mission requires relatively large power budget because continuous observation during sunshine should be realized as much as possible. In addition, the detector should be kept at low temperature to reduce the thermal noise of the MPPC. To realize the requirements, this Cubesat is planned to equip the custom-made radiator made from the novel composite material which has high thermal conductivity, and novel power management system with the model based battery status estimator. This paper describes the details of the satellite system design status to achieve the mission requirements.

    Scopus

  88. Development status of the soft X-ray imaging telescope ``Xtend'' for X-ray Astronomy Recovery Mission ``XARM'' (II)

    Mori K., Ishida M., Maeda Y., Murakami H., Yamauchi M., Hatsukade I., Nobukawa M., Nobukawa K. K., Kohmura T., Hagino K., Kobayashi S., Hayashida K., Hiraga J. S., Uchiyama H., Yamaoka K., Ozaki M., Dotani T., Tsunemi H., the Xtend team, Tomida H., Tanaka T., Uchida H., Tsuru T. G., Nakajima H., Matsumoto H., Okajima T.

    Meeting Abstracts of the Physical Society of Japan   Vol. 73 ( 0 ) page: 186 - 186   2018

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:The Physical Society of Japan  

    DOI: 10.11316/jpsgaiyo.73.2.0_186

    CiNii Research

    J-GLOBAL

  89. Solar abundance ratios of the iron-peak elements in the Perseus cluster

    Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Angelini Lorella, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Bamba Aya, Bautz Marshall W., Blandford Roger, Brenneman Laura W., Brown Gregory V., Bulbul Esra, Cackett Edward M., Chernyakova Maria, Chiao Meng P., Coppi Paolo S., Costantini Elisa, De Plaa Jelle, den Herder Jan-Willem, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan E., Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam R., Fujimoto Ryuichi, Fukazawa Yasushi, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi C., Gandhi Poshak, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harrus Ilana M., Hatsukade Isamu, Hayashi Katsuhiro, Hayashi Takayuki, Hayashida Kiyoshi, Hiraga Junko S., Hornschemeier Ann, Hoshino Akio, Hughes John P., Ichinohe Yuto, Iizuka Ryo, Inoue Hajime, Inoue Yoshiyuki, Ishida Manabu, Ishikawa Kumi, Ishisaki Yoshitaka, Iwai Masachika, Kaastra Jelle, Kallman Tim, Kamae Tsuneyoshi, Kataoka Jun, Katsuda Satoru, Kawai Nobuyuki, Kelley Richard L., Kilbourne Caroline A., Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kokubun Motohide, Koyama Katsuji, Koyama Shu, Kretschmar Peter, Krimm Hans A., Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lee Shiu-Hang, Leutenegger Maurice A., Limousine Olivier, Loewenstein Michael, Long Knox S., Lumb David, Madejski Greg, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, McNamara Brian R., Mehdipour Missagh, Miller Eric D., Miller Jon M., Mineshige Shin, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Mukai Koji, Murakami Hiroshi, Mushotzky Richard F., Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakashima Shinya, Nakazawa Kazuhiro, Nobukawa Kumiko K., Nobukawa Masayoshi, Noda Hirofumi, Odaka Hirokazu, Ohashi Takaya, Ohno Masanori, Okajima Takashi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani StPhane, Petre Robert, Pinto Ciro, Porter Frederick S., Pottschmidt Katja, Reynolds Christopher S., Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sasaki Toru, Sato Goro, Sato Kosuke, Sato Rie, Sawada Makoto, Schartel Norbert, Serlemitsos Peter J., Seta Hiromi, Shidatsu Megumi, Simionescu Aurora, Smith Randall K., Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shin'ichiro, Takei Yoh, Tamagawa Toru, Tamura Takayuki, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki T., Tashiro Makoto S., Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi Go, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Ueda Yoshihiro, Uno Shin'ichiro, Urry C. Megan, Ursino Eugenio, de Vries Cor P., Watanabe Shin, Werner Norbert, Wik Daniel R., Wilkins Dan R., Williams Brian J., Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Zhuravleva Irina, Zoghbi Abderahmen

    NATURE   Vol. 551 ( 7681 ) page: 478-+   2017.11

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    DOI: 10.1038/nature24301

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  90. Energy Spectrum of Cosmic-Ray Electron and Positron from 10 GeV to 3 TeV Observed with the Calorimetric Electron Telescope on the International Space Station

    Adriani O., Akaike Y., Asano K., Asaoka Y., Bagliesi M. G., Bigongiari G., Binns W. R., Bonechi S., Bongi M., Brogi P., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., Di Felice V., Ebisawa K., Fuke H., Guzik T. G., Hams T., Hareyama M., Hasebe N., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Javaid A., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Krawczynski H. S., Krizmanic J. F., Kuramata S., Lomtadze T., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Mizutani K., Moiseev A. A., Mori K., Mori M., Mori N., Motz H. M., Munakata K., Murakami H., Nakahira S., Nishimura J., de Nolfo G. A., Okuno S., Ormes J. F., Ozawa S., Pacini L., Palma F., Papini P., Penacchioni A. V., Rauch B. F., Ricciarini S. B., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Stolzi F., Takahashi I., Takayanagi M., Takita M., Tamura T., Tateyama N., Terasawa T., Tomida H., Torii S., Tsunesada Y., Uchihori Y., Ueno S., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Yuda T.

    PHYSICAL REVIEW LETTERS   Vol. 119 ( 18 )   2017.11

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    DOI: 10.1103/PhysRevLett.119.181101

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  91. Multi-messenger Observations of a Binary Neutron Star Merger

    Abbott B. P., Abbott R., Abbott T. D., Acernese F., Ackley K., Adams C., Adams T., Addesso P., Adhikari R. X., Adya V. B., Affeldt C., Afrough M., Agarwal B., Agathos M., Agatsuma K., Aggarwal N., Aguiar O. D., Aiello L., Ain A., Ajith P., Allen B., Allen G., Allocca A., Altin P. A., Amato A., Ananyeva A., Anderson S. B., Anderson W. G., Angelova S. V., Antier S., Appert S., Arai K., Araya M. C., Areeda J. S., Arnaud N., Arun K. G., Ascenzi S., Ashton G., Ast M., Aston S. M., Astone P., Atallah D. V., Aufmuth P., Aulbert C., AultONeal K., Austin C., Avila-Alvarez A., Babak S., Bacon P., Bader M. K. M., Bae S., Baker P. T., Baldaccini F., Ballardin G., Ballmer S. W., Banagiri S., Barayoga J. C., Barclay S. E., Barish B. C., Barker D., Barkett K., Barone F., Barr B., Barsotti L., Barsuglia M., Barta D., Barthelmy S. D., Bartlett J., Bartos I., Bassiri R., Basti A., Batch J. C., Bawaj M., Bayley J. C., Bazzan M., Becsy B., Beer C., Bejger M., Belahcene I., Bell A. S., Berger B. K., Bergmann G., Bero J. J., Berry C. P. L., Bersanetti D., Bertolini A., Betzwieser J., Bhagwat S., Bhandare R., Bilenko I. A., Billingsley G., Billman C. R., Birch J., Birney R., Birnholtz O., Biscans S., Biscoveanu S., Bisht A., Bitossi M., Biwer C., Bizouard M. A., Blackburn J. K., Blackman J., Blair C. D., Blair D. G., Blair R. M., Bloemen S., Bock O., Bode N., Boer M., Bogaert G., Bohe A., Bondu F., Bonilla E., Bonnand R., Boom B. A., Bork R., Boschi V., Bose S., Bossie K., Bouffanais Y., Bozzi A., Bradaschia C., Brady P. R., Branchesi M., Brau J. E., Briant T., Brillet A., Brinkmann M., Brisson V., Brockill P., Broida J. E., Brooks A. F., Brown D. A., Brown D. D., Brunett S., Buchanan C. C., Buikema A., Bulik T., Bulten H. J., Buonanno A., Buskulic D., Buy C., Byer R. L., Cabero M., Cadonati L., Cagnoli G., Cahillane C., Bustillo J. Caldern, Callister T. A., Calloni E., Camp J. B., Canepa M., Canizares P., Cannon K. C., Cao H., Cao J., Capano C. D., Capocasa E., Carbognani F., Caride S., Carney M. F., Diaz J. Casanueva, Casentini C., Caudill S., Cavagli M., Cavalier F., Cavalieri R., Cella G., Cepeda C. B., Cerd-Durn P., Cerretani G., Cesarini E., Chamberlin S. J., Chan M., Chao S., Charlton P., Chase E., Chassande-Mottin E., Chatterjee D., Chatziioannou K., Cheeseboro B. D., Chen H. Y., Chen X., Chen Y., Cheng H. -P., Chia H., Chincarini A., Chiummo A., Chmiel T., Cho H. S., Cho M., Chow J. H., Christensen N., Chu Q., Chua A. J. K., Chua S., Chung A. K. W., Chung S., Ciani G., Ciolfi R., Cirelli C. E., Cirone A., Clara F., Clark J. A., Clearwater P., Cleva F., Cocchieri C., Coccia E., Cohadon P. -F., Cohen D., Colla A., Collette C. G., Cominsky L. R., Constancio M., Conti L., Cooper S. J., Corban P., Corbitt T. R., Cordero-Carrion I., Corley K. R., Cornish N., Corsi A., Cortese S., Costa C. A., Coughlin M. W., Coughlin S. B., Coulon J. -P., Countryman S. T., Couvares P., Covas P. B., Cowan E. E., Coward D. M., Cowart M. J., Coyne D. C., Coyne R., Creighton J. D. E., Creighton T. D., Cripe J., Crowder S. G., Cullen T. J., Cumming A., Cunningham L., Cuoco E., Dal Canton T., Dlya G., Danilishin S. L., D'Antonio S., Danzmann K., Dasgupta A., Costa C. F. Da Silva, Dattilo V., Dave I., Davier M., Davis D., Daw E. J., Day B., De S., Debra D., Degallaix J., De laurentis M., Deleglise S., Del Pozzo W., Demos N., Denker T., Dent T., De Pietri R., Dergachev V., De Rosa R., DeRosa R. T., De Rossi C., DeSalvo R., De Varona O., Devenson J., Dhurandhar S., Diaz M. C., Di Fiore L., Di Giovanni M., Di Girolamo T., Di Lieto A., Di Pace S., Di Palma I., Di Renzo F., Doctor Z., Dolique V., Donovan F., Dooley K. L., Doravari S., Dorrington I., Douglas R., Alvarez M. Dovale, Downes T. P., Drago M., Dreissigacker C., Driggers J. C., Du Z., Ducrot M., Dupej P., Dwyer S. E., Edo T. B., Edwards M. C., Effler A., Eggenstein H. -B., Ehrens P., Eichholz J., Eikenberry S. S., Eisenstein R. A., Essick R. C., Estevez D., Etienne Z. B., Etzel T., Evans M., Evans T. M., Factourovich M., Fafone V., Fair H., Fairhurst S., Fan X., Farinon S., Farr B., Farr W. M., Fauchon-Jones E. J., Favata M., Fays M., Fee C., Fehrmann H., Feicht J., Fejer M. M., Fernandez-Galiana A., Ferrante I., Ferreira E. C., Ferrini F., Fidecaro F., Finstad D., Fiori I., Fiorucci D., Fishbach M., Fisher R. P., Fitz-Axen M., Flaminio R., Fletcher M., Fong H., Font J. A., Forsyth P. W. F., Forsyth S. S., Fournier J. -D., Frasca S., Frasconi F., Frei Z., Freise A., Frey R., Frey V., Fries E. M., Fritschel P., Frolov V. V., Fulda P., Fyffe M., Gabbard H., Gadre B. U., Gaebel S. M., Gair J. R., Gammaitoni L., Ganija M. R., Gaonkar S. G., Garcia-Quiros C., Garufi F., Gateley B., Gaudio S., Gaur G., Gayathri V., Gehrels N., Gemme G., Genin E., Gennai A., George D., George J., Gergely L., Germain V., Ghonge S., Ghosh Abhirup, Ghosh Archisman, Ghosh S., Giaime J. A., Giardina K. D., Giazotto A., Gill K., Glover L., Goetz E., Goetz R., Gomes S., Goncharov B., Gonzlez G., Castro J. M. Gonzalez, Gopakumar A., Gorodetsky M. L., Gossan S. E., Gosselin M., Gouaty R., Grado A., Graef C., Granata M., Grant A., Gras S., Gray C., Greco G., Green A. C., Gretarsson E. M., Griswold B., Groot P., Grote H., Grunewald S., Gruning P., Guidi G. M., Guo X., Gupta A., Gupta M. K., Gushwa K. E., Gustafson E. K., Gustafson R., Halim O., Hall B. R., Hall E. D., Hamilton E. Z., Hammond G., Haney M., Hanke M. M., Hanks J., Hanna C., Hannam M. D., Hannuksela O. A., Hanson J., Hardwick T., Harms J., Harry G. M., Harry I. W., Hart M. J., Haster C. -J., Haughian K., Healy J., Heidmann A., Heintze M. C., Heitmann H., Hello P., Hemming G., Hendry M., Heng I. S., Hennig J., Heptonstall A. W., Heurs M., Hild S., Hinderer T., Hoak D., Hofman D., Holt K., Holz D. E., Hopkins P., Horst C., Hough J., Houston E. A., Howell E. J., Hreibi A., Hu Y. M., Huerta E. A., Huet D., Hughey B., Husa S., Huttner S. H., Huynh-Dinh T., Indik N., Inta R., Intini G., Isa H. N., Isac J. -M., Isi M., Iyer B. R., Izumi K., Jacqmin T., Jani K., Jaranowski P., Jawahar S., Jimenez-Forteza F., Johnson W. W., Jones D. I., Jones R., Jonker R. J. G., Ju L., Junker J., Kalaghatgi C. V., Kalogera V., Kamai B., Kandhasamy S., Kang G., Kanner J. B., Kapadia S. J., Karki S., Karvinen K. S., Kasprzack M., Katolik M., Katsavounidis E., Katzman W., Kaufer S., Kawabe K., Kefelian F., Keitel D., Kemball A. J., Kennedy R., Kent C., Key J. S., Khalili F. Y., Khan I., Khan S., Khan Z., Khazanov E. A., Kijbunchoo N., Kim Chunglee, Kim J. C., Kim K., Kim W., Kim W. S., Kim Y. -M., Kimbrell S. J., King E. J., King P. J., Kinley-Hanlon M., Kirchhoff R., Kissel J. S., Kleybolte L., Klimenko S., Knowles T. D., Koch P., Koehlenbeck S. M., Koley S., Kondrashov V., Kontos A., Korobko M., Korth W. Z., Kowalska I., Kozak D. B., Krmer C., Kringel V., Krishnan B., Krlak A., Kuehn G., Kumar P., Kumar R., Kumar S., Kuo L., Kutynia A., Kwang S., Lackey B. D., Lai K. H., Landry M., Lang R. N., Lange J., Lantz B., Lanza R. K., Larson S. L., Lartaux-Vollard A., Lasky P. D., Laxen M., Lazzarini A., Lazzaro C., Leaci P., Leavey S., Lee C. H., Lee H. K., Lee H. M., Lee H. W., Lee K., Lehmann J., Lenon A., Leonardi M., Leroy N., Letendre N., Levin Y., Li T. G. F., Linker S. D., Littenberg T. B., Liu J., Lo R. K. L., Lockerbie N. A., London L. T., Lord J. E., Lorenzini M., Loriette V., Lormand M., Losurdo G., Lough J. D., Lousto C. O., Lovelace G., Lck H., Lumaca D., Lundgren A. P., Lynch R., Ma Y., Macas R., Macfoy S., Machenschalk B., MacInnis M., Macleod D. M., Hernandez I. Magaa, Magaa-Sandoval F., Zertuche L. Magaa, Magee R. M., Majorana E., Maksimovic I., Man N., Mandic V., Mangano V., Mansell G. L., Manske M., Mantovani M., Marchesoni F., Marion F., Mrka S., Mrka Z., Markakis C., Markosyan A. S., Markowitz A., Maros E., Marquina A., Marsh P., Martelli F., Martellini L., Martin I. W., Martin R. M., Martynov D. V., Mason K., Massera E., Masserot A., Massinger T. J., Masso-Reid M., Mastrogiovanni S., Matas A., Matichard F., Matone L., Mavalvala N., Mazumder N., McCarthy R., McClelland D. E., McCormick S., McCuller L., McGuire S. C., McIntyre G., McIver J., McManus D. J., McNeill L., Mcrae T., McWilliams S. T., Meacher D., Meadors G. D., Mehmet M., Meidam J., Mejuto-Villa E., Melatos A., Mendell G., Mercer R. A., Merilh E. L., Merzougui M., Meshkov S., Messenger C., Messick C., Metzdorff R., Meyers P. M., Miao H., Michel C., Middleton H., Mikhailov E. E., Milano L., Mueller A. L., Mueller B. B., Miller J., Millhouse M., Milovich-Goff M. C., Minazzoli O., Minenkov Y., Ming J., Mishra C., Mitra S., Mitrofanov V. P., Mitselmakher G., Mittleman R., Moffa D., Moggi A., Mogushi K., Mohan M., Mohapatra S. R. P., Montani M., Moore C. J., Moraru D., Moreno G., Morriss S. R., Mours B., Mow-Lowry C. M., Mueller G., Muir A. W., Mukherjee Arunava, Mukherjee D., Mukherjee S., Mukund N., Mullavey A., Munch J., Muniz E. A., Muratore M., Murray P. G., Napier K., Nardecchia I., Naticchioni L., Nayak R. K., Neilson J., Nelemans G., Nelson T. J. N., Nery M., Neunzert A., Nevin L., Newport J. M., Newton G., Ng K. K. Y., Nguyen P., Nguyen T. T., Nichols D., Nielsen A. B., Nissanke S., Nitz A., Noack A., Nocera F., Nolting D., North C., Nuttall L. K., Oberling J., O'Dea G. D., Ogin G. H., Oh J. J., Oh S. H., Ohme F., Okada M. A., Oliver M., Oppermann P., Oram Richard J., O'Reilly B., Ormiston R., Ortega L. F., O'Shaughnessy R., Ossokine S., Ottaway D. J., Overmier H., Owen B. J., Pace A. E., Page J., Page M. A., Pai A., Pai S. A., Palamos J. R., Palashov O., Palomba C., Pal-Singh A., Pan Howard, Pan Huang-Wei, Pang B., Pang P. T. H., Pankow C., Pannarale F., Pant B. C., Paoletti F., Paoli A., Papa M. A., Parida A., Parker W., Pascucci D., Pasqualetti A., Passaquieti R., Passuello D., Patil M., Patricelli B., Pearlstone B. L., Pedraza M., Pedurand R., Pekowsky L., Pele A., Penn S., Perez C. J., Perreca A., Perri L. M., Pfeiffer H. P., Phelps M., Piccinni O. J., Pichot M., Piergiovanni F., Pierro V., Pillant G., Pinard L., Pinto I. M., Pirello M., Pitkin M., Poe M., Poggiani R., Popolizio P., Porter E. K., Post A., Powell J., Prasad J., Pratt J. W. W., Pratten G., Predoi V., Prestegard T., Price L. R., Prijatelj M., Principe M., Privitera S., Prodi G. A., Prokhorov L. G., Puncken O., Punturo M., Puppo P., Prrer M., Qi H., Quetschke V., Quintero E. A., Quitzow-James R., Raab F. J., Rabeling D. S., Radkins H., Raffai P., Raja S., Rajan C., Rajbhandari B., Rakhmanov M., Ramirez K. E., Ramos-Buades A., Rapagnani P., Raymond V., Razzano M., Read J., Regimbau T., Rei L., Reid S., Reitze D. H., Ren W., Reyes S. D., Ricci F., Ricker P. M., Rieger S., Riles K., Rizzo M., Robertson N. A., Robie R., Robinet F., Rocchi A., Rolland L., Rollins J. G., Roma V. J., Romano R., Romel C. L., Romie J. H., Rosinska D., Ross M. P., Rowan S., Rdiger A., Ruggi P., Rutins G., Ryan K., Sachdev S., Sadecki T., Sadeghian L., Sakellariadou M., Salconi L., Saleem M., Salemi F., Samajdar A., Sammut L., Sampson L. M., Sanchez E. J., Sanchez L. E., Sanchis-Gual N., Sandberg V., Sanders J. R., Sassolas B., Sathyaprakash B. S., Saulson P. R., Sauter O., Savage R. L., Sawadsky A., Schale P., Scheel M., Scheuer J., Schmidt J., Schmidt P., Schnabel R., Schofield R. M. S., Schonbeck A., Schreiber E., Schuette D., Schulte B. W., Schutz B. F., Schwalbe S. G., Scott J., Scott S. M., Seidel E., Sellers D., Sengupta A. S., Sentenac D., Sequino V., Sergeev A., Shaddock D. A., Shaffer T. J., Shah A. A., Shahriar M. S., Shaner M. B., Shao L., Shapiro B., Shawhan P., Sheperd A., Shoemaker D. H., Shoemaker D. M., Siellez K., Siemens X., Sieniawska M., Sigg D., Silva A. D., Singer L. P., Singh A., Singhal A., Sintes A. M., Slagmolen B. J. J., Smith B., Smith J. R., Smith R. J. E., Somala S., Son E. J., Sonnenberg J. A., Sorazu B., Sorrentino F., Souradeep T., Spencer A. P., Srivastava A. K., Staats K., Staley A., Steinke M., Steinlechner J., Steinlechner S., Steinmeyer D., Stevenson S. P., Stone R., Stops D. J., Strain K. A., Stratta G., Strigin S. E., Strunk A., Sturani R., Stuver A. L., Summerscales T. Z., Sun L., Sunil S., Suresh J., Sutton P. J., Swinkels B. L., Szczepanczyk M. J., Tacca M., Tait S. C., Talbot C., Talukder D., Tanner D. B., Tpai M., Taracchini A., Tasson J. D., Taylor J. A., Taylor R., Tewari S. V., Theeg T., Thies F., Thomas E. G., Thomas M., Thomas P., Thorne K. A., Thorne K. S., Thrane E., Tiwari S., Tiwari V., Tokmakov K. V., Toland K., Tonelli M., Tornasi Z., Torres-Forn A., Torrie C. I., Toyr D., Travasso F., Traylor G., Trinastic J., Tringali M. C., Trozzo L., Tsang K. 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  95. A hard-to-soft state transition of Aquila X-1 observed with Suzaku

    Ono Ko, Makishima Kazuo, Sakurai Soki, Zhang Zhongli, Yamaoka Kazutaka, Nakazawa Kazuhiro

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 69 ( 2 )   2017.4

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    DOI: 10.1093/pasj/psw126

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  96. The InterPlanetary Network Supplement to the Second Fermi GBM Catalog of Cosmic Gamma-Ray Bursts

    Hurley K., Aptekar R. L., Golenetskii S. V., Frederiks D. D., Svinkin D. S., Pal'shin V. D., Briggs M. S., Meegan C., Connaughton V., Goldsten J., Boynton W., Fellows C., Harshman K., Mitrofanov I. G., Golovin D. V., Kozyrev A. S., Litvak M. L., Sanin A. B., Rau A., von Kienlin A., Zhang X., Yamaoka K., Fukazawa Y., Ohno M., Tashiro M., Terada Y., Barthelmy S., Cline T., Gehrels N., Cummings J., Krimm H. A., Smith D. M., Del Monte E., Feroci M., Marisaldi M.

    ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES   Vol. 229 ( 2 )   2017.4

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    DOI: 10.3847/1538-4365/229/2/31

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  97. Hitomi Constraints on the 3.5 keV Line in the Perseus Galaxy Cluster

    Aharonian F. A., Akamatsu H., Akimoto F., Allen S. W., Angelini L., Arnaud K. A., Audard M., Awaki H., Axelsson M., Bamba A., Bautz M. W., Blandford R. D., Bulbul E., Brenneman L. W., Brown G. V., Cackett E. M., Chernyakova M., Chiao M. P., Coppi P., Costantini E., de Plaa J., den Herder J. -W., Done C., Dotani T., Ebisawa K., Eckart M. E., Enoto T., Ezoe Y., Fabian A. C., Ferrigno C., Foster A. R., Fujimoto R., Fukazawa Y., Furuzawa A., Galeazzi M., Gallo L. C., Gandhi P., Giustini M., Goldwurm A., Gu L., Guainazzi M., Haba Y., Hagino K., Hamaguchi K., Harrus I., Hatsukade I., Hayashi K., Hayashi T., Hayashida K., Hiraga J., Hornschemeier A. E., Hoshino A., Hughes J. P., Ichinohe Y., Iizuka R., Inoue H., Inoue S., Inoue Y., Ishibashi K., Ishida M., Ishikawa K., Ishisaki Y., Itoh M., Iwai M., Iyomoto N., Kaastra J. S., Kallman T., Kamae T., Kara E., Kataoka J., Katsuda S., Katsuta J., Kawaharada M., Kawai N., Kelley R. L., Khangulyan D., Kilbourne C. A., King A. L., Kitaguchi T., Kitamoto S., Kitayama T., Kohmura T., Kokubun M., Koyama S., Koyama K., Kretschmar P., Krimm H. A., Kubota A., Kunieda H., Laurent P., Lebrun F., Lee S. -H., Leutenegger M. A., Limousin O., Loewenstein M., Long K. S., Lumb D. H., Madejski G. M., Maeda Y., Maier D., Makishima K., Markevitch M., Matsumoto H., Matsushita K., McCammon D., McNamara B. R., Mehdipour M., Miller E. D., Miller J. M., Mineshige S., Mitsuda K., Mitsuishi I., Miyazawa T., Mizuno T., Mori H., Mori K., Moseley H., Mukai K., Murakami H., Murakami T., Mushotzky R. F., Nakagawa T., Nakajima H., Nakamori T., Nakano T., Nakashima S., Nakazawa K., Nobukawa K., Nobukawa M., Noda H., Nomachi M., O'Dell S. L., Odaka H., Ohashi T., Ohno M., Okajima T., Ota N., Ozaki M., Paerels F., Paltani S., Parmar A., Petre R., Pinto C., Pohl M., Porter F. S., Pottschmidt K., Ramsey B. D., Reynolds C. S., Russell H. R., Safi-Harb S., Saito S., Sakai K., Sameshima H., Sasaki T., Sato G., Sato K., Sato R., Sawada M., Schartel N., Serlemitsos P. J., Seta H., Shidatsu M., Simionescu A., Smith R. K., Soong Y., Stawarz L., Sugawara Y., Sugita S., Szymkowiak A. E., Tajima H., Takahashi H., Takahashi T., Takeda S., Takei Y., Tamagawa T., Tamura K., Tamura T., Tanaka T., Tanaka Yasuo, Tanaka Yasuyuki, Tashiro M., Tawara Y., Terada Y., Terashima Y., Tombesi F., Tomida H., Tsuboi Y., Tsujimoto M., Tsunemi H., Tsuru T., Uchida H., Uchiyama H., Uchiyama Y., Ueda S., Ueda Y., Ueno S., Uno S., Urry C. M., Ursino E., de Vries C. P., Watanabe S., Werner N., Wik D. R., Wilkins D. R., Williams B. J., Yamada S., Yamaguchi H., Yamaoka K., Yamasaki N. Y., Yamauchi M., Yamauchi S., Yaqoob T., Yatsu Y., Yonetoku D., Yoshida A., Zhuravleva I., Zoghbi A.

    ASTROPHYSICAL JOURNAL LETTERS   Vol. 837 ( 1 )   2017.3

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    DOI: 10.3847/2041-8213/aa61fa

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  98. Solar neutron and gamma-ray monitor for a small satellite

    Yamaoka K.

    Proceedings of Science     2017

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    Solar neutrons can be probles for clarifying the ion acceleration mechansm in the Sun. However, there are only a few 10 detections up to present. The SEDA-AP Fiber detctor on the International Space Station (ISS) has been currently observing solar neutrons from space. In order to proceed solar-flare studies, we have developed very compact solar neutron and gamma-ray monitor for the micro satellite ChubuSat-2 utilizing the multi-pixel photon counter (MPPC) as a readout of scintillators. The realized size of the detector is 15 cm×17 cm×18.5 cm and its weight is 6.2 kg. We launched it on February 2016, but the detector has not been turned on yet due to a trouble in the satellite bus system. To upgrade the detector, we will use an ASIC instead of discrete electric parts for MPPC readout to reduce the electric power and space. In this paper, we will describe details of solar neutron detectors on the ChubuSat-2 and a future satellite.

    DOI: 10.22323/1.301.0239

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  99. CALET GBM observations of gamma-ray bursts and gravitational wave sources

    Yamaoka K.

    Proceedings of Science     2017

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    The CALET Gamma-ray Burst Monitor (CGBM) is secondary scientific instrument of the Calorimetric Electron Telescope (CALET) mission on the International Space Station (ISS). The primary instrument Calorimeter (CAL) is capable of detecting gamma-ray bursts (GRBs) in the GeV-TeV range, and the CGBM was attached to complement CAL gamma-ray observations in the keV-MeV range. The CGBM consists of 2 Hard X-ray Monitors (HXMs) and one Soft Gamma-ray Monitor (SGM), utilizing different scintillators LaBr3(Ce) and BGO respectively. The CGBM covers a broadband energy range of 7 keV - 20 MeV with a wide field of view (FOV). Since the launch on August 19, 2015, the CGBM has been sucessfully operated on the ISS for about 1.5 years, and detecting about 50 GRBs (roughly 20% short GRBs among them) per year as expected from pre-launch estimation. The CALET also concluded memolandum of understanding (MOU) with LIGO/Virgo collaboration, and we are searching for hard X-ray and gamma-ray counterparts for gravitational wave (GW) sources. In this paper, we will report on CGBM in-orbit operation, performance and observations of GRBs and GW sources.

    DOI: 10.22323/1.301.0614

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  100. GRS 1739-278 OBSERVED AT VERY LOW LUMINOSITY WITH XMM-NEWTON AND NuSTAR

    Furst F., Tomsick J. A., Yamaoka K., Dauser T., Miller J. M., Clavel M., Corbel S., Fabian A., Garcia J., Harrison F. A., Loh A., Kaaret P., Kalemci E., Migliari S., Miller-Jones J. C. A., Pottschmidt K., Rahoui F., Rodriguez J., Stern D., Stuhlinger M., Walton D. J., Wilms J.

    ASTROPHYSICAL JOURNAL   Vol. 832 ( 2 )   2016.12

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    DOI: 10.3847/0004-637X/832/2/115

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  101. MAXI observations of long X-ray bursts

    Serino Motoko, Iwakiri Wataru, Tamagawa Toru, Sakamoto Takanori, Nakahira Satoshi, Matsuoka Masaru, Yamaoka Kazutaka, Negoro Hitoshi

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 68 ( 6 )   2016.12

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    DOI: 10.1093/pasj/psw086

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  102. Development and verification of signal processing system of avalanche photo diode for the active shields onboard ASTRO-H

    Ohno M., Kawano T., Edahiro I., Shirakawa H., Ohashi N., Okada C., Habata S., Katsuta J., Tanaka Y., Takahashi H., Mizuno T., Fukazawa Y., Murakami H., Kobayashi S., Miyake K., Ono K., Kato Y., Furuta Y., Murota Y., Okuda K., Wada Y., Nakazawa K., Mimura T., Kataoka J., Ichinohe Y., Uchida Y., Katsuragawa M., Yoneda H., Sato G., Sato R., Kawaharada M., Harayama A., Odaka H., Hayashi K., Ohta M., Watanabe S., Kokubun M., Takahashi T., Takeda S., Kinoshita M., Yamaoka K., Tajima H., Yatsu Y., Uchiyama H., Saito S., Yuasa T., Makishima K.

    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT   Vol. 831   page: 410-414   2016.9

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    DOI: 10.1016/j.nima.2016.04.063

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  103. CALET UPPER LIMITS ON X-RAY AND GAMMA-RAY COUNTERPARTS OF GW151226

    Adriani O., Akaike Y., Asano K., Asaoka Y., Bagliesi M. G., Bigongiari G., Binns W. R., Bonechi S., Bongi M., Brogi P., Buckley J. H., Cannady N., Castellini G., Checchia C., Cherry M. L., Collazuol G., Di Felice V., Ebisawa K., Fuke H., Guzik T. G., Hams T., Hareyama M., Hasebe N., Hibino K., Ichimura M., Ioka K., Ishizaki W., Israel M. H., Javaid A., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kato C., Kawanaka N., Kawakubo Y., Kitamura H., Krawczynski H. S., Krizmanic J. F., Kuramata S., Lomtadze T., Maestro P., Marrocchesi P. S., Messineo A. M., Mitchell J. W., Miyake S., Mizutani K., Moiseev A. A., Mori K., Mori M., Mori N., Motz H. M., Munakata K., Murakami H., Nakagawa Y. E., Nakahira S., Nishimura J., Okuno S., Ormes J. F., Ozawa S., Pacini L., Palma F., Papini P., Penacchioni A. V., Rauch B. F., Ricciarini S., Sakai K., Sakamoto T., Sasaki M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Stolzi F., Takahashi I., Takayanagi M., Takita M., Tamura T., Tateyama N., Terasawa T., Tomida H., Torii S., Tsunesada Y., Uchihori Y., Ueno S., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Yuda T.

    ASTROPHYSICAL JOURNAL LETTERS   Vol. 829 ( 1 )   2016.9

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    DOI: 10.3847/2041-8205/829/1/L20

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  104. The quiescent intracluster medium in the core of the Perseus cluster

    Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steven W., Anabuki Naohisa, Angelini Lorella, Arnaud Keith, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Bamba Aya, Bautz Marshall, Blandford Roger, Brenneman Laura, Brown Gregory V., Bulbul Esra, Cackett Edward, Chernyakova Maria, Chiao Meng, Coppi Paolo, Costantini Elisa, de Plaa Jelle, den Herder Jan-Willem, Done Chris, Dotani Tadayasu, Ebisawa Ken, Eckart Megan, Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew C., Ferrigno Carlo, Foster Adam, Fujimoto Ryuichi, Fukazawa Yasushi, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi, Gandhi Poshak, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harrus Ilana, Hatsukade Isamu, Hayashi Katsuhiro, Hayashi Takayuki, Hayashida Kiyoshi, Hiraga Junko, Hornschemeier Ann, Hoshino Akio, Hughes John, Iizuka Ryo, Inoue Hajime, Inoue Yoshiyuki, Ishibashi Kazunori, Ishida Manabu, Ishikawa Kumi, Ishisaki Yoshitaka, Itoh Masayuki, Iyomoto Naoko, Kaastra Jelle, Kallman Timothy, Kamae Tuneyoshi, Kara Erin, Kataoka Jun, Katsuda Satoru, Katsuta Junichiro, Kawaharada Madoka, Kawai Nobuyuki, Kelley Richard, Khangulyan Dmitry, Kilbourne Caroline, King Ashley, Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kokubun Motohide, Koyama Shu, Koyama Katsuji, Kretschmar Peter, Krimm Hans, Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lebrun Francois, Lee Shiu-Hang, Leutenegger Maurice, Limousin Olivier, Loewenstein Michael, Long Knox S., Lumb David, Madejski Grzegorz, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, McNamara Brian, Mehdipour Missagh, Miller Eric, Miller Jon, Mineshige Shin, Mitsuda Kazuhisa, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Hideyuki, Mori Koji, Moseley Harvey, Mukai Koji, Murakami Hiroshi, Murakami Toshio, Mushotzky Richard, Nagino Ryo, Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakano Toshio, Nakashima Shinya, Nakazawa Kazuhiro, Nobukawa Masayoshi, Noda Hirofumi, Nomachi Masaharu, O'Dell Steve, Odaka Hirokazu, Ohashi Takaya, Ohno Masanori, Okajima Takashi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Parmar Arvind, Petre Robert, Pinto Ciro, Pohl Martin, Porter F. Scott, Pottschmidt Katja, Ramsey Brian, Reynolds Christopher, Russell Helen, Safi-Harb Samar, Saito Shinya, Sakai Kazuhiro, Sameshima Hiroaki, Sato Goro, Sato Kosuke, Sato Rie, Sawada Makoto, Schartel Norbert, Serlemitsos Peter, Seta Hiromi, Shidatsu Megumi, Simionescu Aurora, Smith Randall, Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takahashi Tadayuki, Takeda Shin'ichiro, Takei Yoh, Tamagawa Toru, Tamura Keisuke, Tamura Takayuki, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki, Tashiro Makoto, Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi, Uchida Hiroyuki, Uchiyama Hideki, Uchiyama Yasunobu, Ueda Shutaro, Ueda Yoshihiro, Ueno Shiro, Uno Shin'ichiro, Urry Meg, Ursino Eugenio, De Vries Cor, Watanabe Shin, Werner Norbert, Wik Daniel, Wilkins Dan, Williams Brian, Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko Y., Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Yoshida Atsumasa, Yuasa Takayuki, Zhuravleva Irina, Zoghbi Abderahmen

    NATURE   Vol. 535 ( 7610 ) page: 117-+   2016.7

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    DOI: 10.1038/nature18627

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  105. Suzaku Wide-band All-sky Monitor measurements of duration distributions of gamma-ray bursts

    Ohmori Norisuke, Yamaoka Kazutaka, Ohno Masanori, Sugita Satoshi, Kinoshita Ryuuji, Nishioka Yusuke, Hurley Kevin, Hanabata Yoshitaka, Tashiro Makoto S., Enomoto Junichi, Fujinuma Takeshi, Fukazawa Yasushi, Iwakiri Wataru, Kawano Takafumi, Kokubun Motohide, Makishima Kazuo, Matsuoka Shunsuke, Nagayoshi Tsutomu, Nakagawa Yujin E., Nakaya Souhei, Nakazawa Kazuhiro, Takahashi Tadayuki, Takeda Sawako, Terada Yukikatsu, Urata Yuji, Yabe Seiya, Yasuda Tetsuya, Yamauchi Makoto

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 68   2016.6

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    DOI: 10.1093/pasj/psw009

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  106. The MAXI/GSC Nova-Alert System and results of its first 68 months

    Negoro Hitoshi, Kohama Mitsuhiro, Serino Motoko, Saito Hiroki, Takahashi Tomonori, Miyoshi Sho, Ozawa Hiroshi, Suwa Fumitoshi, Asada Masato, Fukushima Kosuke, Eguchi Satoshi, Kawai Nobuyuki, Kennea Jamie, Mihara Tatehiro, Morii Mikio, Nakahira Satoshi, Ogawa Yuji, Sugawara Aya, Tomida Hiroshi, Ueno Shiro, Ishikawa Masaki, Isobe Naoki, Kawamuro Taiki, Kimura Masashi, Masumitsu Takahiro, Nakagawa Yujin E., Nakajima Motoki, Sakamoto Takanori, Shidatsu Megumi, Sugizaki Mutsumi, Sugimoto Juri, Suzuki Kazuhiko, Takagi Toshihiro, Tanaka Kazuki, Tsuboi Yohko, Tsunemi Hiroshi, Ueda Yoshihiro, Yamaoka Kazutaka, Yamauchi Makoto, Yoshida Atsumasa, Matsuoka Masaru

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 68   2016.6

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    DOI: 10.1093/pasj/psw016

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  107. Development of surface-wave monitoring system for leaked CO <inf>2</inf> using a continuous and controlled seismic source

    Ikeda T.

    International Journal of Greenhouse Gas Control   Vol. 45   page: 94-105   2016.2

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    DOI: 10.1016/j.ijggc.2015.11.030

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  108. The ASTRO-H (Hitomi) X-ray Astronomy Satellite

    Takahashi Tadayuki, Kokubun Motohide, Mitsuda Kazuhisa, Kelley Richard, Ohashi Takaya, Aharonian Felix, Akamatsu Hiroki, Akimoto Fumie, Allen Steve, Anabuki Naohisa, Angelini Lorella, Arnaud Keith, Asai Makoto, Audard Marc, Awaki Hisamitsu, Axelsson Magnus, Azzarello Philipp, Baluta Chris, Bamba Aya, Bando Nobutaka, Bautz Marshall, Bialas Thomas, Blandford Roger, Boyce Kevin, Brenneman Laura, Brown Greg, Bulbul Esra, Cackett Edward, Canavan Edgar, Chernyakova Maria, Chiao Meng, Coppi Paolo, Costantini Elisa, de Plaa Jelle, den Herder Jan-Willem, DiPirro Michael, Done Chris, Dotani Tadayasu, Doty John, Ebisawa Ken, Eckart Megan, Enoto Teruaki, Ezoe Yuichiro, Fabian Andrew, Ferrigno Carlo, Foster Adam, Fujimoto Ryuichi, Fukazawa Yasushi, Furuzawa Akihiro, Galeazzi Massimiliano, Gallo Luigi, Gandhi Poshak, Gilmore Kirk, Giustini Margherita, Goldwurm Andrea, Gu Liyi, Guainazzi Matteo, Haas Daniel, Haba Yoshito, Hagino Kouichi, Hamaguchi Kenji, Harayama Atsushi, Harrus Ilana, Hatsukade Isamu, Hayashi Takayuki, Hayashi Katsuhiro, Hayashida Kiyoshi, Hiraga Junko, Hirose Kazuyuki, Hornschemeier Ann, Hoshino Akio, Hughes John, Ichinohe Yuto, Iizuka Ryo, Inoue Yoshiyuki, Inoue Hajime, Ishibashi Kazunori, Ishida Manabu, Ishikawa Kumi, Ishimura Kosei, Ishisaki Yoshitaka, Itoh Masayuki, Iwata Naoko, Iyomoto Naoko, Jewell Chris, Kaastra Jelle, Kallman Timothy, Kamae Tuneyoshi, Kara Erin, Kataoka Jun, Katsuda Satoru, Katsuta Junichiro, Kawaharada Madoka, Kawai Nobuyuki, Kawano Taro, Kawasaki Shigeo, Khangulyan Dmitry, Kilbourne Caroline, Kimball Mark, King Ashley, Kitaguchi Takao, Kitamoto Shunji, Kitayama Tetsu, Kohmura Takayoshi, Kosaka Tatsuro, Koujelev Alex, Koyama Katsuji, Koyama Shu, Kretschmar Peter, Krimm Hans, Kubota Aya, Kunieda Hideyo, Laurent Philippe, Lebrun Francois, Lee Shiu-Hang, Leutenegger Maurice, Limousin Olivier, Loewenstein Michael, Long Knox, Lumb David, Madejski Grzegorz, Maeda Yoshitomo, Maier Daniel, Makishima Kazuo, Markevitch Maxim, Masters Candace, Matsumoto Hironori, Matsushita Kyoko, McCammon Dan, Mcguinness Daniel, McNamara Brian, Mehdipour Missagh, Miko Joseph, Miller Jon, Miller Eric, Mineshige Shin, Minesugi Kenji, Mitsuishi Ikuyuki, Miyazawa Takuya, Mizuno Tsunefumi, Mori Koji, Mori Hideyuki, Moroso Franco, Moseley Harvey, Muench Theodore, Mukai Koji, Murakami Hiroshi, Murakami Toshio, Mushotzky Richard, Nagano Housei, Nagino Ryo, Nakagawa Takao, Nakajima Hiroshi, Nakamori Takeshi, Nakano Toshio, Nakashima Shinya, Nakazawa Kazuhiro, Namba Yoshiharu, Natsukari Chikara, Nishioka Yusuke, Nobukawa Masayoshi, Nobukawa Kumiko, Noda Hirofumi, Nomachi Masaharu, O' Dell Steve, Odaka Hirokazu, Ogawa Hiroyuki, Ogawa Mina, Ogi Keiji, Ohno Masanori, Ohta Masayuki, Okajima Takashi, Okamoto Atsushi, Okazaki Tsuyoshi, Ota Naomi, Ozaki Masanobu, Paerels Frits, Paltani Stephane, Parmar Arvind, Petre Robert, Pinto Ciro, Pohl Martin, Pontius James, Porter F. Scott, Pottschmidt Katja, Ramsey Brian, Reynolds Christopher, Russell Helen, Safi-Harb Samar, Saito Shinya, Sakai Shin-ichiro, Sakai Kazuhiro, Sameshima Hiroaki, Sasaki Toru, Sato Goro, Sato Yoichi, Sato Kosuke, Sato Rie, Sawada Makoto, Schartel Norbert, Serlemitsos Peter, Seta Hiromi, Shibano Yasuko, Shida Maki, Shidatsu Megumi, Shimada Takanobu, Shinozaki Keisuke, Shirron Peter, Simionescu Aurora, Simmons Cynthia, Smith Randall, Sneiderman Gary, Soong Yang, Stawarz Lukasz, Sugawara Yasuharu, Sugita Hiroyuki, Sugita Satoshi, Szymkowiak Andrew, Tajima Hiroyasu, Takahashi Hiromitsu, Takeda Shin'ichiro, Takei Yoh, Tamagawa Toru, Tamura Takayuki, Tamura Keisuke, Tanaka Takaaki, Tanaka Yasuo, Tanaka Yasuyuki, Tashiro Makoto, Tawara Yuzuru, Terada Yukikatsu, Terashima Yuichi, Tombesi Francesco, Tomida Hiroshi, Tsuboi Yohko, Tsujimoto Masahiro, Tsunemi Hiroshi, Tsuru Takeshi, Uchida Hiroyuki, Uchiyama Yasunobu, Uchiyama Hideki, Ueda Yoshihiro, Ueda Shutaro, Ueno Shiro, Uno Shin'ichiro, Urry Meg, Ursino Eugenio, de Vries Cor, Wada Atsushi, Watanabe Shin, Watanabe Tomomi, Werner Norbert, Wik Daniel, Wilkins Dan, Williams Brian, Yamada Takahiro, Yamada Shinya, Yamaguchi Hiroya, Yamaoka Kazutaka, Yamasaki Noriko, Yamauchi Makoto, Yamauchi Shigeo, Yaqoob Tahir, Yatsu Yoichi, Yonetoku Daisuke, Yoshida Atsumasa, Yuasa Takayuki, Zhuravleva Irina, Zoghbi Abderahmen

    SPACE TELESCOPES AND INSTRUMENTATION 2016: ULTRAVIOLET TO GAMMA RAY   Vol. 9905   2016

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    DOI: 10.1117/12.2232379

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  109. The soft gamma-ray detector (SGD) onboard ASTRO-H

    Watanabe Shin, Tajima Hiroyasu, Fukazawa Yasushi, Blandford Roger, Enoto Teruaki, Goldwurm Andrea, Hagino Kouichi, Hayashi Katsuhiro, Ichinohe Yuto, Kataoka Jun, Katsuta Junichiro, Kitaguchi Takao, Kokubun Motohide, Laurent Philippe, Lebrun Francois, Limousin Olivier, Madejski Grzegorz M., Makishima Kazuo, Mizunoe Tsunefumi, Mori Kunishiro, Nakamori Takeshi, Nakano Toshio, Nakazawa Kazuhiro, Noda Hirofumi, Odaka Hirokazu, Ohno Masanori, Ohta Masayuki, Saito Shinya, Sato Goro, Sato Rie, Takeda Shin'ichiro, Takahashi Hiromitsu, Takahashi Tadayuki, Tanaka Takaaki, Tanaka Yasuyuki, Terada Yukikatsu, Uchiyama Hideki, Uchiyama Yasunobu, Yamaoka Kazutaka, Yatsu Yoichi, Yonetoku Daisuke, Yuasa Takayuki

    SPACE TELESCOPES AND INSTRUMENTATION 2016: ULTRAVIOLET TO GAMMA RAY   Vol. 9905   2016

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    DOI: 10.1117/12.2231962

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  110. The hard X-ray imager (HXI) onboard ASTRO-H Reviewed

    Kazuhiro Nakazawa, Goro Sato, Motohide Kokubun, Teruaki Enoto, Yasushi Fukazawa, Kouichi Hagino, Atsushi Harayama, Katsuhiro Hayashi, Jun Kataoka, Junichiro Katsuta, Philippe Laurent, Francois Lebrung, Olivier Limousin, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Toshio Nakano, Hirofumi Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shinya Saito, Rie Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shin'ichiro Takeda, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Kazutaka Yamaoka, Yoichi Yatsu, Takayuki Yuasa

    SPACE TELESCOPES AND INSTRUMENTATION 2016: ULTRAVIOLET TO GAMMA RAY   Vol. 9905   2016

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    Hitomi X-ray observatory launched in 17 February 2016 had a hard X-ray imaging spectroscopy system made of two hard X-ray imagers (HXIs) coupled with two hard X-ray telescopes (HXTs). With 12 m focal length, they provide fine (2' half-power diameter; HPD) imaging spectroscopy at 5 to 80 keV. The HXI main imagers are made of 4 layers of Si and a CdTe semiconductor double-sided strip detectors, stacked to enhance detection efficiency as well as to enable photon interaction-depth sensing. Active shield made of 9 BGO scintillators surrounds the imager to provide with low background. Following the deployment of the Extensible Optical Bench (EOB) on 28 February, the HXI was gradually turned on. Two imagers successfully started observation on 14 March, and was operational till the incident lead to Hitomo loss, on 26 March. All detector channels, 1280 ch of imager and 11 channel of active shields and others each, worked well and showed performance consistent with those seen on ground. From the first light observation of G21.5-0.9 and the following Crab observations, 5 80 keV energy coverage and good detection efficiency were confirmed. With blank sky observations, we checked our background level. In some geomagnetic region, strong background continuum, presumably caused by trapped electron with energy similar to 100 keV, is seen. But by cutting the high-background time-intervals, the background became significantly lower, typically with 1-3x10(-4) counts s(-1) keV(-1) cm(-2) (here cm(2) is shown with detector geometrical area). Above 30 keV, line and continuum emission originating from activation of CdTe was significantly seen, though the level of 1-4x10(-4) counts s(-1) keV(-1) cm(-2) is still comparable to those seen in NuSTAR. By comparing the effective area and background rate, preliminary analysis shows that the HXI had a statistical sensitivity similar to NuSTAR for point sources, and more than twice better for largely extended sources.

    DOI: 10.1117/12.2231176

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  111. Long Duration X-ray Bursts Observed by MAXI

    Motoko Serino, Wataru Iwakiri, Toru Tamagawa, Takanori Sakamoto, Satoshi Nakahira, Masaru Matsuoka, Kazutaka Yamaoka, Hitoshi Negoro

    PROCEEDINGS OF THE 14TH INTERNATIONAL SYMPOSIUM ON NUCLEI IN THE COSMOS (NIC2016)     2016

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    Monitor of All-sky X-ray Image (MAXI) is X-ray mission on the International Space Station. MAXI scans all sky every 92 minutes and detects various X-ray transient events including X-ray bursts. Among the X-ray bursts observed by MAXI, eleven had long duration and were observed more than one scan. Six out of eleven long bursts have the e-folding time of >1 hour, that should be classified as "superbursts", while the rest are "intermediate-duration bursts". The total emitted energy of these long X-ray bursts range from 10(41) to 10(42) ergs. The lower limits of the superburst recurrence time of 4U 0614+091 and Ser X-1 are calculated as 4400 and 59 days, which may be consistent with the observed recurrence time of 3523 and 1148 days, respectively.

    DOI: 10.7566/JPSCP.14.020304

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  112. Solar Neutron and Gamma-ray Monitor on the ChubuSat-2 Satellite

    YAMAOKA Kazutaka, MATSUSHITA Koji, MIYATA Kikuko, MIYAZAWA Takuya, NAGANO Hosei, NARUSAWA Yasutaka, NISHINO Masaki, NODA Sosuke, OSEKI Shinji, SADAMOTO Masaaki, SUZUKI Asami, BABAZAKI Yasunobu, TAJIMA Hiroyasu, TAMURA Keisuke, TANAKA Hidetaka, TANAKA Hiroya, TAGUCHI Masato, TAM Dao ngoc hanh, WATABE Toyoki, HAYASHI Yuki, KANEDA Hidehiro, KATSURAGAWA Taishi, KAWAHARA Hiroaki, KOKUSHO Takuma, KUBO Shin, MATSUNAGA Kazunari

    TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN   Vol. 14 ( 30 ) page: Pf_141 - Pf_146   2016

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    <p>The ChubuSat is a Japanese microsatellite technology demonstration mission jointly depeloped by Nagoya university, Daido university, and medium or small-sized aerospace industrial companies in the Chubu area of central Japan. ChubuSat-2 is the second ChubuSat following ChubuSat-1 which was launched by the Russian DNEPR rocket on November 6, 2014. It was selected as one of the four piggyback payloads of the X-ray astronomy satellite ASTRO-H in 2014 summer, and will be launched by the H-IIA rocket from Japan Aerospace Exploration Agency (JAXA) Tanegashima Space Center (TNSC) in winter season of fiscal year (FY) 2015. The ChubuSat-2 mission is devoted to monitoring neutrons and gamma-rays in the ASTRO-H orbit which can be noise sources for ASTRO-H X-ray and soft gamma-ray observations. The mission involves solar neutron observations which were originally proposed by graduate students who joined the leadership development program for space exploration and research, a program for leading graduate schools at Nagoya University. In this paper, we describe the outline of the ChubuSat-2 satellite and the details of the mission instrument, the radiation detector (RD).</p>

    DOI: 10.2322/tastj.14.Pf_141

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  113. NuSTAR AND SUZAKU OBSERVATIONS OF THE HARD STATE IN CYGNUS X-1: LOCATING THE INNER ACCRETION DISK

    Parker M. L., Tomsick J. A., Miller J. M., Yamaoka K., Lohfink A., Nowak M., Fabian A. C., Alston W. N., Boggs S. E., Christensen F. E., Craig W. W., Fuerst F., Gandhi P., Grefenstette B. W., Grinberg V., Hailey C. J., Harrison F. A., Kara E., King A. L., Stern D., Walton D. J., Wilms J., Zhang W. W.

    ASTROPHYSICAL JOURNAL   Vol. 808 ( 1 )   2015.7

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    DOI: 10.1088/0004-637X/808/1/9

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  114. THE ACCRETING BLACK HOLE SWIFT J1753.5-0127 FROM RADIO TO HARD X-RAY

    Tomsick John A., Rahoui Farid, Kolehmainen Mari, Miller-Jones James, Fuerst Felix, Yamaoka Kazutaka, Akitaya Hiroshi, Corbel Stephane, Coriat Mickael, Done Chris, Gandhi Poshak, Harrison Fiona A., Huang Kuiyun, Kaaret Philip, Kalemci Emrah, Kanda Yuka, Migliari Simone, Miller Jon M., Moritani Yuki, Stern Daniel, Uemura Makoto, Urata Yuji

    ASTROPHYSICAL JOURNAL   Vol. 808 ( 1 )   2015.7

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    DOI: 10.1088/0004-637X/808/1/85

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  115. A MISSING-LINK IN THE SUPERNOVA-GRB CONNECTION: THE CASE OF SN 2012ap

    Chakraborti Sayan, Soderberg Alicia, Chomiuk Laura, Kamble Atish, Yadav Naveen, Ray Alak, Hurley Kevin, Margutti Raffaella, Milisavljevic Dan, Bietenholz Michael, Brunthaler Andreas, Pignata Giuliano, Pian Elena, Mazzali Paolo, Fransson Claes, Bartel Norbert, Hamuy Mario, Levesque Emily, MacFadyen Andrew, Dittmann Jason, Krauss Miriam, Briggs M. S., Connaughton V., Yamaoka K., Takahashi T., Ohno M., Fukazawa Y., Tashiro M., Terada Y., Murakami T., Goldsten J., Barthelmy S., Gehrels N., Cummings J., Krimm H., Palmer D., Golenetskii S., Aptekar R., Frederiks D., Svinkin D., Cline T., Mitrofanov I. G., Golovin D., Litvak M. L., Sanin A. B., Boynton W., Fellows C., Harshman K., Enos H., von Kienlin A., Rau A., Zhang X., Savchenko V.

    ASTROPHYSICAL JOURNAL   Vol. 805 ( 2 )   2015.6

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    DOI: 10.1088/0004-637X/805/2/187

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  116. Sub-MeV band observation of a hard burst from AXP 1E 1547.0-5408 with the Suzaku Wide-band All-sky Monitor

    Yasuda Tetsuya, Iwakiri Wataru B., Tashiro Makoto S., Terada Yukikatsu, Kouzu Tomomi, Enoto Teruaki, Nakagawa Yujin E., Bamba Aya, Urata Yuji, Yamaoka Kazutaka, Ohno Masanori, Shibata Shinpei, Makishima Kazuo

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 67 ( 3 )   2015.6

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    DOI: 10.1093/pasj/psv011

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  117. Low-mass X-ray binary MAXI J1421-613 observed by MAXI GSC and Swift XRT

    Serino Motoko, Shidatsu Megumi, Ueda Yoshihiro, Matsuoka Masaru, Negoro Hitoshi, Yamaoka Kazutaka, Kennea Jamie A., Fukushima Kosuke, Nagayama Takahiro

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 67 ( 2 )   2015.4

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    DOI: 10.1093/pasj/psv003

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  118. The CALorimetric Electron Telescope (CALET) for high-energy astroparticle physics on the International Space Station

    Adriani O., Akaike Y., Asano K., Asaoka Y., Bagliesi M. G., Bigongiari G., Binns W. R., Bonechi S., Bongi M., Buckley J. H., Castellini G., Cherry M. L., Collazuol G., Ebisawa K., Di Felice V., Fuke H., Guzik T. G., Hams T., Hareyama M., Hasebe N., Hibino K., Ichimura M., Ioka K., Israel M. H., Javaid A., Kamioka E., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kawanaka N., Kitamura H., Kotani T., Krawczynski H. S., Krizmanic J. F., Kubota A., Kuramata S., Lomtadze T., Maestro P., Marcelli L., Marrocchesi P. S., Mitchell J. W., Miyake S., Mizutani K., Moiseev A. A., Mori K., Mori M., Mori N., Motz H. M., Munakata K., Murakami H., Nakagawa Y. E., Nakahira S., Nishimura J., Okuno S., Ormes J. F., Ozawa S., Palma F., Papini P., Rauch B. F., Ricciarini S. B., Sakamoto T., Sasaki M., Shibata M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Takahashi I., Takayanagi M., Takita M., Tamura T., Tateyama N., Terasawa T., Tomida H., Torii S., Tunesada Y., Uchihori Y., Ueno S., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Yuda T.

    3RD INTERNATIONAL CONFERENCE ON NEW FRONTIERS IN PHYSICS   Vol. 95   2015

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    DOI: 10.1051/epjconf/20159504056

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  119. The CALorimetric Electron Telescope (CALET) for high-energy astroparticle physics on the International Space Station

    Adriani O., Akaike Y., Asano K., Asaoka Y., Bagliesi M. G., Bigongiari G., Binns W. R., Bonechi S., Bongi M., Buckley J. H., Castellini G., Cherry M. L., Collazuol G., Ebisawa K., Di Felice V., Fuke H., Guzik T. G., Hams T., Hareyama M., Hasebe N., Hibino K., Ichimura M., Ioka K., Israel M. H., Javaid A., Kamioka E., Kasahara K., Kataoka J., Kataoka R., Katayose Y., Kawanaka N., Kitamura H., Kotani T., Krawczynski H. S., Krizmanic J. F., Kubota A., Kuramata S., Lomtadze T., Maestro P., Marcelli L., Marrocchesi P. S., Mitchell J. W., Miyake S., Mizutani K., Moiseev A. A., Mori K., Mori M., Mori N., Motz H. M., Munakata K., Murakami H., Nakagawa Y. E., Nakahira S., Nishimura J., Okuno S., Ormes J. F., Ozawa S., Palma F., Papini P., Rauch B. F., Ricciarini S. B., Sakamoto T., Sasaki M., Shibata M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Takahashi I., Takayanagi M., Takita M., Tamura T., Tateyama N., Terasawa T., Tomida H., Torii S., Tunesada Y., Uchihori Y., Ueno S., Vannuccini E., Wefel J. P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Yuda T.

    24TH EUROPEAN COSMIC RAY SYMPOSIUM (ECRS)   Vol. 632   2015

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    DOI: 10.1088/1742-6596/632/1/012023

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  120. 25pSJ-5 Calibration Method for the Hard X-ray Imager On-board the ASTRO-H Satellite

    Mimura T., HXI team

    Meeting Abstracts of the Physical Society of Japan   Vol. 70   page: 353 - 353   2015

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    DOI: 10.11316/jpsgaiyo.70.2.0_353

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  121. Status and performance of the CALorimetric Electron Telescope (CALET) on the international space station

    Adriani O., Akaike Y., Asaoka Y., Asano K., Bagliesi M.G., Bigongiari G., Binns W.R., Bongi M., Buckley J.H., Cassese A., Castellini G., Cherry M.L., Collazuol G., Ebisawa K., di Felice V., Fuke H., Guzik T.G., Hamsa T., Hasebe N., Hareyama M., Hibino K., Ichimura M., Ioka K., Israel M.H., Javaid A., Kamioka E., Kasahara K., Katayose Y., Kataoka J., Kataoka R., Kawanaka N., Kitamura H., Kotani T., Krawczynski H.S., Krizmanic J.F., Kubota A., Kuramata S., Lomtadze T., Maestro P., Marcelli L., Marrocchesi P.S., Mitchell J.W., Miyake S., Mizutani K., Motz H.M., Moiseev A.A., Mori K., Mori M., Mori N., Munakata K., Murakami H., Nakagawa Y.E., Nakahira S., Nishimura J., Okuno S., Ormes J.F., Ozawa S., Palma F., Papini P., Rauch B.F., Ricciarini S., Sakamoto T., Sasaki M., Shibata M., Shimizu Y., Shiomi A., Sparvoli R., Spillantini P., Takahashi I., Takayanagi M., Takita M., Tamura T., Tateyama N., Terasawa T., Tomida H., Torii S., Tunesada Y., Uchihori Y., Ueno S., Vannuccini E., Wefel J.P., Yamaoka K., Yanagita S., Yoshida A., Yoshida K., Yuda T.

    Nuclear Physics B - Proceedings Supplements   Vol. 256-257   page: 225 - 232   2014.12

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    The CALorimetric Electron Telescope (CALET) space experiment, currently under development by Japan in collaboration with Italy and the United States, will measure the flux of cosmic-ray electrons (including positrons) to 20 TeV, gamma rays to 10 TeV and nuclei with Z=1 to 40 up to 1,000 TeV during a two-year mission on the International Space Station (ISS), extendable to five years. These measurements are essential to search for dark matter signatures, investigate the mechanism of cosmic-ray acceleration and propagation in the Galaxy and discover possible astrophysical sources of high-energy electrons nearby the Earth. The instrument consists of two layers of segmented plastic scintillators for the cosmic-ray charge identification (CHD), a 3 radiation length thick tungsten-scintillating fiber imaging calorimeter (IMC) and a 27 radiation length thick lead-tungstate calorimeter (TASC). CALET has sufficient depth, imaging capabilities and excellent energy resolution to allow for a clear separation between hadrons and electrons and between charged particles and gamma rays. The instrument will be launched to the ISS within 2014 Japanese Fiscal Year (by the end of March 2015) and installed on the Japanese Experiment Module-Exposed Facility (JEM-EF). In this paper, we will review the status and main science goals of the mission and describe the instrument configuration and performance.

    DOI: 10.1016/j.nuclphysbps.2014.10.026

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  122. MAXI observations of gamma-ray bursts

    Serino Motoko, Sakamoto Takanori, Kawai Nobuyuki, Yoshida Atsumasa, Ohno Masanori, Ogawa Yuji, Nishimura Yasunori, Fukushima Kosuke, Higa Masaya, Ishikawa Kazuto, Ishikawa Masaki, Kawamuro Taiki, Kimura Masashi, Matsuoka Masaru, Mihara Tatehiro, Morii Mikio, Nakagawa Yujin E., Nakahira Satoshi, Nakajima Motoki, Nakano Yuki, Negoro Hitoshi, Onodera Takuya, Sasaki Masayuki, Shidatsu Megumi, Sugimoto Juri, Sugizaki Mutsumi, Suwa Fumitoshi, Suzuki Kazuhiko, Tachibana Yutaro, Takagi Toshihiro, Toizumi Takahiro, Tomida Hiroshi, Tsuboi Yohko, Tsunemi Hiroshi, Ueda Yoshihiro, Ueno Shiro, Usui Ryuichi, Yamada Hisaki, Yamamoto Takayuki, Yamaoka Kazutaka, Yamauchi Makoto, Yoshidome Koshiro, Yoshii Taketoshi

    PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN   Vol. 66 ( 5 )   2014.10

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    DOI: 10.1093/pasj/psu063

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  123. A DELAYED TRANSITION TO THE HARD STATE FOR 4U 1630-47 AT THE END OF ITS 2010 OUTBURST

    Tomsick John A., Yamaoka Kazutaka, Corbel Stephane, Kalemci Emrah, Migliari Simone, Kaaret Philip

    ASTROPHYSICAL JOURNAL   Vol. 791 ( 1 )   2014.8

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    DOI: 10.1088/0004-637X/791/1/70

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  124. SPECTRAL AND TIMING PROPERTIES OF THE BLACK HOLE X-RAY BINARY H1743-322 IN THE LOW/HARD STATE STUDIED WITH SUZAKU

    Shidatsu M., Ueda Y., Yamada S., Done C., Hori T., Yamaoka K., Kubota A., Nagayama T., Moritani Y.

    ASTROPHYSICAL JOURNAL   Vol. 789 ( 2 )   2014.7

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    DOI: 10.1088/0004-637X/789/2/100

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  125. SYNCHROTRON SELF-INVERSE COMPTON RADIATION FROM REVERSE SHOCK ON GRB 120326A

    Urata Yuji, Huang Kuiyun, Takahashi Satoko, Im Myungshin, Yamaoka Kazutaka, Tashiro Makoto, Kim Jae-Woo, Jang Minsung, Pak Soojong

    ASTROPHYSICAL JOURNAL   Vol. 789 ( 2 )   2014.7

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    DOI: 10.1088/0004-637X/789/2/146

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  126. Development and verification of signal processing system of BGO active shield onboard Astro-H

    Masanori Ohno, Shin'Ya Tokuda, Takafumi Kawano, Shunya Furui, Ikumi Edahiro, Hiromitsu Takahashi, Kunihiro Goto, Yasushi Fukazawa, Hiroaki Murakami, Syogo Kobayashi, Soki Sakurai, Makoto Sasano, Shunsuke Torii, Toshio Nakano, Ko Ono, Kazuma Miyake, Terukazu Nishida, Kazuhiro Nakazawa, Kazuo Makishima, Kouichi Hagino, Takayuki Yuasa, Hirokazu Odaka, Rie Sato, Shin Watanabe, Motohide Kokubun, Goro Sato, Jun Kataoka, Tatsuhiko Saito, Kazutaka Yamaoka, Hiroyasu Tajima, Yoichi Yatsu, Takeshi Nakamori, Hideki Uchiyama, Daisuke Yonetoku

    Proceedings of SPIE - The International Society for Optical Engineering   Vol. 9144   2014

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    The hard X-ray imager (HXI) and soft gamma-ray detector (SGD) onboard Astro-H observe astronomical objects with high sensitivity in the hard X-ray (5-80 keV) and soft gamma-ray (40-600 keV) energy bands. To achieve this high sensitivity, background rejection is essential, and these detectors are surrounded by large and thick bismuth germinate scintillators as an active shield. We have developed adequate trigger logic for both the HXI and SGD to process signals from main detector and BGO shield simultaneously and then we optimized the trigger delay and width, with consideration of the trigger latch efficiency. The shield detector system performs well, even after it is assembled as the HXI sensor. The energy threshold maintains the same level as that observed during the prototype development phase, and the experimental room background level of the main detector is successfully reduced by our optimized trigger timing.

    DOI: 10.1117/12.2055676

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  127. High-z gamma-ray bursts for unraveling the dark ages mission HiZ-GUNDAM

    Yonetoku Daisuke, Mihara Tatehiro, Sawano Tatsuya, Ikeda Hirokazu, Atsushi Harayama, Shunsuke Takata, Yoshida Kazuki, Seta Hiroki, Toyanago Asuka, Kagawa Yasuaki, Kawai Kentaro, Kawai Nobuyuki, Sakamoto Takanori, Serino Motoko, Kurosawa Shunsuke, Gunji Shuichi, Tanimori Toru, Murakami Toshio, Yatsu Yoichi, Yamaoka Kazutaka, Yoshida Atsumasa, Kawabata Koji, Matsumoto Toshio, Tsumura Koji, Matsuura Shuji, Shirahata Mai, Okita Hirofumi, Yanagisawa Kensi, Yoshida Michitoshi, Motohara Kentaro

    SPACE TELESCOPES AND INSTRUMENTATION 2014: ULTRAVIOLET TO GAMMA RAY   Vol. 9144   2014

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    DOI: 10.1117/12.2055041

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  128. Soft Gamma-ray Detector (SGD) onboard the ASTRO-H

    Fukazawa Yasushi, Tajima Hiroyasu, Watanabe Shin, Blandford Roger, Hayashi Katsuhiro, Harayama Atsushi, Kataoka Jun, Kawaharada Madoka, Kokubun Motohide, Laurent Philippe, Lebrun Francois, Limousin Olivier, Madejski Grzegorz M., Makishima Kazuo, Mizuno Tsunefumi, Mori Kunishiro, Nakamori Takeshi, Nakazawa Kazuhiro, Noda Hirofumi, Odaka Hirokazu, Ohno Masanori, Ohta Masayuki, Saito Shin'ya, Sato Goro, Sato Rie, Takeda Shin'ichiro, Takahashi Hiromitsu, Takahashi Tadayuki, Tanaka Yasuyuki, Terada Yukikatsu, Uchiyama Hideki, Uchiyama Yasunobu, Yamaoka Kazutaka, Yatsu Yoichi, Yonetoku Daisuke, Yuasa Takayuki

    SPACE TELESCOPES AND INSTRUMENTATION 2014: ULTRAVIOLET TO GAMMA RAY   Vol. 9144   2014

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    DOI: 10.1117/12.2055292

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  129. The Hard X-ray Imager (HXI) for the ASTRO-H mission Reviewed

    Goro Sato, Motohide Kokubun, Kazuhiro Nakazawa, Teruaki Enoto, Yasushi Fukazawa, Atsushi Harayama, Katsuhiro Hayashi, Jun Kataoka, Junichiro Katsuta, Madoka Kawaharada, Philippe Laurent, Francois Lebrun, Olivier Limousin, Kazuo Makishima, Tsunefumi Mizuno, Kunishiro Mori, Takeshi Nakamori, Hirofumi Noda, Hirokazu Odaka, Masanori Ohno, Masayuki Ohta, Shinya Saito, Rie Sato, Hiroyasu Tajima, Hiromitsu Takahashi, Tadayuki Takahashi, Shin'ichiro Takeda, Yukikatsu Terada, Hideki Uchiyama, Yasunobu Uchiyama, Shin Watanabe, Kazutaka Yamaoka, Yoichi Yatsu, Takayuki Yuasa

    SPACE TELESCOPES AND INSTRUMENTATION 2014: ULTRAVIOLET TO GAMMA RAY   Vol. 9144   2014

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    The 6th Japanese X-ray satellite, ASTRO-H, is scheduled for launch in 2015. The hard X-ray focusing imaging system will observe astronomical objects with the sensitivity for detecting point sources with a brightness of 1/100,000 times fainter than the Crab nebula at &gt; 10 keV. The Hard X-ray Imager (HXI) is a focal plane detector 12 m below the hard X-ray telescope (HXT) covering the energy range from 5 to 80 keV. The HXI is composed of a stacked Si/CdTe semiconductor detector module and surrounding BGO scintillators. The latter work as active shields for efficient reduction of background events caused by cosmic-ray particles, cosmic X-ray background, and in-orbit radiation activation. In this paper, we describe the detector system, and present current status of flight model development, and performance of HXI using an engineering model of HXI.

    DOI: 10.1117/12.2055629

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    Other Link: http://orcid.org/0000-0003-3529-3029

  130. The ASTRO-H X-ray Astronomy Satellite

    Tadayuki Takahashi, Kazuhisa Mitsuda, Richard Kelley, Felix Aharonian, Hiroki Akamatsu, Fumie Akimoto, Steve Allen, Naohisa Anabuki, Lorella Angelini, Keith Arnaud, Makoto Asai, Marc Audard, Hisamitsu Awaki, Philipp Azzarello, Chris Baluta, Aya Bamba, Nobutaka Bando, Marshall Bautz, Thomas Bialas, Roger Blandford, Kevin Boyce, Laura Brenneman, Greg Brown, Edward Cackett, Edgar Canavan, Maria Chernyakova, Meng Chiao, Paolo Coppi, Elisa Costantini, Jelle de Plaa, Jan-Willem den Herder, Michael DiPirro, Chris Done, Tadayasu Dotani, John Doty, Ken Ebisawa, Teruaki Enoto, Yuichiro Ezoe, Andrew Fabian, Carlo Ferrigno, Adam Foster, Ryuichi Fujimoto, Yasushi Fukazawa, Stefan Funk, Akihiro Furuzawa, Massimiliano Galeazzi, Luigi Gallo, Poshak Gandhi, Kirk Gilmore, Matteo Guainazzi, Daniel Haas, Yoshito Haba, Kenji Hamaguchi, Atsushi Harayama, Isamu Hatsukade, Katsuhiro Hayashi, Takayuki Hayashi, Kiyoshi Hayashida, Junko Hiraga, Kazuyuki Hirose, Ann Hornschemeier, Akio Hoshino, John Hughes, Una Hwang, Ryo Iizuka, Yoshiyuki Inoue, Kazunori Ishibashi, Manabu Ishida, Kumi Ishikawa, Kosei Ishimura, Yoshitaka Ishisaki, Masayuki Itoh, Naoko Iwata, Naoko Iyomoto, Chris Jewell, Jelle Kaastra, Timothy Kallman, Tuneyoshi Kamae, Jun Kataoka, Satoru Katsuda, Junichiro Katsuta, Madoka Kawaharada, Nobuyuki Kawai, Taro Kawano, Shigeo Kawasaki, Dmitry Khangaluyan, Caroline Kilbourne, Mark Kimball, Masashi Kimura, Shunji Kitamoto, Tetsu Kitayama, Takayoshi Kohmura, Motohide Kokubun, Saori Konami, Tatsuro Kosaka, Alexander Koujelev, Katsuji Koyama, Hans Krimm, Aya Kubota, Hideyo Kunieda, Stephanie LaMassa, Philippe Laurent, Francois Lebrun, Maurice Leutenegger, Olivier Limousin, Michael Loewenstein, Knox Long, David Lumb, Grzegorz Madejski, Yoshitomo Maeda, Kazuo Makishima, Maxim Markevitch, Candace Masters, Hironori Matsumoto, Kyoko Matsushita, Dan McCammon, Daniel McGuinness, Brian McNamara, Joseph Miko, Jon Miller, Eric Miller, Shin Mineshige, Kenji Minesugi, Ikuyuki Mitsuishi, Takuya Miyazawa, Tsunefumi Mizuno, Koji Mori, Hideyuki Mori, Franco Moroso, Theodore Muench, Koji Mukai, Hiroshi Murakami, Toshio Murakami, Richard Mushotzky, Housei Nagano, Ryo Nagino, Takao Nakagawa, Hiroshi Nakajima, Takeshi Nakamori, Shinya Nakashima, Kazuhiro Nakazawa, Yoshiharu Namba, Chikara Natsukari, Yusuke Nishioka, Masayoshi Nobukawa, Hirofumi Noda, Masaharu Nomachi, Steve O' Dell, Hirokazu Odaka, Hiroyuki Ogawa, Mina Ogawa, Keiji Ogi, Takaya Ohashi, Masanori Ohno, Masayuki Ohta, Takashi Okajima, Tsuyoshi Okazaki, Naomi Ota, Masanobu Ozaki, Frits Paerels, Stephane Paltani, Arvind Parmar, Robert Petre, Ciro Pinto, Martin Pohl, James Pontius, F. Scott Porter, Katja Pottschmidt, Brian Ramsey, Rubens Reis, Christopher Reynolds, Claudio Ricci, Helen Russell, Samar Safi-Harb, Shinya Saito, Shin-ichiro Sakai, Hiroaki Sameshima, Kosuke Sato, Rie Sato, Goro Sato, Makoto Sawada, Peter Serlemitsos, Hiromi Seta, Yasuko Shibano, Maki Shida, Takanobu Shimada, Peter Shirron, Aurora Simionescu, Cynthia Simmons, Randall Smith, Gary Sneiderman, Yang Soong, Lukasz Stawarz, Yasuharu Sugawara, Satoshi Sugita, Andrew Szymkowiak, Hiroyasu Tajima, Hiroaki Takahashi, Hiromitsu Takahashi, Shin-ichiro Takeda, Yoh Takei, Toru Tamagawa, Keisuke Tamura, Takayuki Tamura, Takaaki Tanaka, Yasuyuki Tanaka, Yasuo Tanaka, Makoto Tashiro, Yuzuru Tawara, Yukikatsu Terada, Yuichi Terashima, Francesco Tombesi, Hiroshi Tomida, Yoko Tsuboi, Masahiro Tsujimoto, Hiroshi Tsunemi, Takeshi Tsuru, Hiroyuki Uchida, Hideki Uchiyama, Yasunobu Uchiyama, Yoshihiro Ueda, Shutaro Uedag, Shiro Ueno, Shinichiro Uno, Meg Urry, Eugenio Ursino, Cor de Vries, Atsushi Wada, Shin Watanabe, Tomomi Watanabe, Norbert Werner, Nicholas White, Dan Wilkins, Shinya Yamada, Takahiro Yamada, Hiroya Yamaguchi, Kazutaka Yamaoka, Noriko Yamasaki, Makoto Yamauchi, Shigeo Yamauchi, Tahir Yadoob, Yoichi Yatsu, Daisuke Yonetoku, Atsumasa Yoshida, Takayuki Yuasa, Irina Zhuravleva, Abderahmen Zoghbi, John ZuHone

    SPACE TELESCOPES AND INSTRUMENTATION 2014: ULTRAVIOLET TO GAMMA RAY   Vol. 9144   2014

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    The joint JAXA/NASA ASTRO-H mission is the sixth in a series of highly successful X-ray missions developed by the Institute of Space and Astronautical Science (ISAS), with a planned launch in 2015. The ASTRO-H mission is equipped with a suite of sensitive instruments with the highest energy resolution ever achieved at E > 3 keV and a wide energy range spanning four decades in energy from soft X-rays to gamma-rays. The simultaneous broad band pass, coupled with the high spectral resolution of Delta E <= 7 eV of the micro-calorimeter, will enable a wide variety of important science themes to be pursued. ASTRO-H is expected to provide breakthrough results in scientific areas as diverse as the large-scale structure of the Universe and its evolution, the behavior of matter in the gravitational strong field regime, the physical conditions in sites of cosmic-ray acceleration, and the distribution of dark matter in galaxy clusters at different redshifts.

    DOI: 10.1117/12.2055681

    Web of Science

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  131. THE ACCRETION DISK AND IONIZED ABSORBER OF THE 9.7 hr DIPPING BLACK HOLE BINARY MAXI J1305-704

    Shidatsu M., Ueda Y., Nakahira S., Done C., Morihana K., Sugizaki M., Mihara T., Hori T., Negoro H., Kawai N., Yamaoka K., Ebisawa K., Matsuoka M., Serino M., Yoshikawa T., Nagayama T., Matsunaga N.

    ASTROPHYSICAL JOURNAL   Vol. 779 ( 1 )   2013.12

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    DOI: 10.1088/0004-637X/779/1/26

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  132. SWIFT AND RXTE OBSERVATIONS OF THE BLACK HOLE TRANSIENT GX 339-4 IN THE HARD STATE BETWEEN OUTBURSTS

    Allured Ryan, Tomsick John A., Kaaret Philip, Yamaoka Kazutaka

    ASTROPHYSICAL JOURNAL   Vol. 774 ( 2 )   2013.9

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    DOI: 10.1088/0004-637X/774/2/135

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  133. THE 37 MONTH MAXI/GSC SOURCE CATALOG OF THE HIGH GALACTIC-LATITUDE SKY

    Hiroi Kazuo, Ueda Yoshihiro, Hayashida Masaaki, Shidatsu Megumi, Sato Ryosuke, Kawamuro Taiki, Sugizaki Mutsumi, Nakahira Satoshi, Serino Motoko, Kawai Nobuyuki, Matsuoka Masaru, Mihara Tatehiro, Morii Mikio, Nakajima Motoki, Negoro Hitoshi, Sakamoto Takanori, Tomida Hiroshi, Tsuboi Yohko, Tsunemi Hiroshi, Ueno Shiro, Yamaoka Kazutaka, Yoshida Atsumasa, Asada Masato, Eguchi Satoshi, Hanayama Takanori, Higa Masaya, Ishikawa Kazuto, Ishikawa Masaki, Isobe Naoki, Kohama Mitsuhiro, Kimura Masashi, Morihana Kumiko, Nakagawa Yujin E., Nakano Yuki, Nishimura Yasunori, Ogawa Yuji, Sasaki Masayuki, Sugimoto Juri, Takagi Toshihiro, Usui Ryuichi, Yamamoto Takayuki, Yamauchi Makoto, Yoshidome Koshiro

    ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES   Vol. 207 ( 2 )   2013.8

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    DOI: 10.1088/0067-0049/207/2/36

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  134. THE INTERPLANETARY NETWORK SUPPLEMENT TO THE FERMI GBM CATALOG OF COSMIC GAMMA-RAY BURSTS Reviewed

    K. Hurley, V. D. Pal'shin, R. L. Aptekar, S. V. Golenetskii, D. D. Frederiks, E. P. Mazets, D. S. Svinkin, M. S. Briggs, V. Connaughton, C. Meegan, J. Goldsten, W. Boynton, C. Fellows, K. Harshman, I. G. Mitrofanov, D. V. Golovin, A. S. Kozyrev, M. L. Litvak, A. B. Sanin, A. Rau, A. von Kienlin, X. Zhang, K. Yamaoka, Y. Fukazawa, Y. Hanabata, M. Ohno, T. Takahashi, M. Tashiro, Y. Terada, T. Murakami, K. Makishima, S. Barthelmy, T. Cline, N. Gehrels, J. Cummings, H. A. Krimm, D. M. Smith, E. Del Monte, M. Feroci, M. Marisaldi

    ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES   Vol. 207 ( 2 )   2013.8

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    We present Interplanetary Network (IPN) data for the gamma-ray bursts in the first Fermi Gamma-Ray Burst Monitor (GBM) catalog. Of the 491 bursts in that catalog, covering 2008 July 12 to 2010 July 11, 427 were observed by at least one other instrument in the nine-spacecraft IPN. Of the 427, the localizations of 149 could be improved by arrival time analysis (or "triangulation"). For any given burst observed by the GBM and one other distant spacecraft, triangulation gives an annulus of possible arrival directions whose half-width varies between about 0.'4 and 32 degrees, depending on the intensity, time history, and arrival direction of the burst, as well as the distance between the spacecraft. We find that the IPN localizations intersect the 1 sigma GBM error circles in only 52% of the cases, if no systematic uncertainty is assumed for the latter. If a 6 degrees systematic uncertainty is assumed and added in quadrature, the two localization samples agree about 87% of the time, as would be expected. If we then multiply the resulting error radii by a factor of three, the two samples agree in slightly over 98% of the cases, providing a good estimate of the GBM 3 sigma error radius. The IPN 3 sigma error boxes have areas between about 1 arcmin(2) and 110 deg(2), and are, on the average, a factor of 180 smaller than the corresponding GBM localizations. We identify two bursts in the IPN/GBM sample that did not appear in the GBM catalog. In one case, the GBM triggered on a terrestrial gamma flash, and in the other, its origin was given as "uncertain." We also discuss the sensitivity and calibration of the IPN.

    DOI: 10.1088/0067-0049/207/2/39

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  135. CALET Gamma-ray Burst Monitor (CGBM)

    Yamaoka K., Yoshida A., Sakamoto T., Takahashi I., Hara T., Yamamoto T., Kawakubo Y., Inoue R., Terazawa S., Fujioka R., Senuma K., Nakahira S., Tomida H., Ueno S., Torii S., Cherry M.L., Ricciarini S.

    Proceedings of the 33rd International Cosmic Rays Conference, ICRC 2013   Vol. 2013-October   2013

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    The CALET Gamma-ray Burst Monitor (CGBM) is the secondary scientific instrument of the CALET mission on the International Space Station (ISS), which is scheduled for launch by H-IIB/HTV in 2014. The CGBM provides a broadband energy coverage from 7 keV to 20 MeV, and simultaneous observations with the primary instrument Calorimeter (CAL) in the GeV - TeV gamma-ray range and Advanced Star Camera (ASC) in the optical for gamma-ray bursts (GRBs) and other X-gamma-ray transients. The CGBM consists of two kinds of scintillators: two LaBr3(Ce) (7 keV - 1 MeV) and one BGO (100 keV - 20 MeV) each read by a single photomultiplier. The LaBr3(Ce) crystal, used in space for the first time here for celestial gamma-ray observations, enables GRB observations over a broad energy range from low energy X-ray emissions to gamma rays. The detector performance and structures have been verified using the bread-board model (BBM) via vibration and thermal vacuum tests. The CGBM is currently in the development phase of the proto-flight model (PFM) and the pre-flight calibration of the CGBM is planned for August 2013. In this presentation, we report on the current status and expected performance of CGBM for GRB observations.

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MISC 17

  1. 超小型衛星による,宇宙空間からの太陽中性子の観測(III)

    山岡和貴, 田島宏康, 宮田喜久子, 稲守孝哉, 野橋大輝, 宇佐見雅己, 中澤知洋, 増田智, 伊藤和也, 松下幸司, 高橋弘充, 渡邉恭子

    日本天文学会年会講演予稿集   Vol. 2021   2021

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  2. Development of solar neutron and gamma-ray detector for 3U CubeSat

    野橋大輝, 山岡和貴, 田島宏康, 宮田喜久子, 稲守孝哉, PARK Ji Hyun, 中澤知洋, 増田智, 伊藤和也, 松下幸司, 高橋弘充, 渡邉恭子

    日本物理学会講演概要集(CD-ROM)   Vol. 75 ( 1 )   2020

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  3. Status of the Development of the Soft X-ray Imaging Telescope “Xtend” aboard the X-ray Imaging and Spectroscopy Mission “XRISM”

    Tanaka T., Hayashida K., Tomida H., Mori K., Uchida H., Tsuru T. G., Nakajima H., Noda H., Matsumoto H., Okajima T., Ishida M., Maeda Y., Murakami H., Yamauchi M., Hatsukade I., Nobukawa M., Nobukawa K. K., Hagino K., Kohmura T., Kobayashi S., Hiraga J. S., Uchiyama H., Yamaoka K., Ozaki M., Dotani T., Tsunemi H., the XRISM Xtend team

    Meeting Abstracts of the Physical Society of Japan   Vol. 2020   page: 533 - 533   2020

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    DOI: 10.11316/jpsgaiyo.74.1.0_533

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  4. 3Uキューブサットによる太陽中性子・ガンマ線観測

    山岡和貴, 田島宏康, 宮田喜久子, 稲守孝哉, 佐々井義矩, 中澤知洋, 増田智, 松下幸司, 伊藤和也, 高橋弘充, 渡邉恭子

    日本地球惑星科学連合大会予稿集(Web)   Vol. 2019   2019

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  5. Overview and Current Status Report of the SONGS (SOlar Neutron and Gamma-ray Spectroscopy) Mission

    宮田喜久子, 山岡和貴, 稲守孝哉, 田島宏康, PARK Ji Hyun

    宇宙科学技術連合講演会講演集(CD-ROM)   Vol. 63rd   2019

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  6. 超小型衛星による,宇宙空間からの太陽中性子の観測(III)

    山岡和貴, 田島宏康, 宮田喜久子, 稲守孝哉, PARK Ji Hyun, 野橋大輝, 中澤知洋, 増田智, 伊藤和也, 松下幸司, 高橋弘充, 渡邉恭子

    日本天文学会年会講演予稿集   Vol. 2019   2019

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  7. 超小型衛星による,宇宙空間からの太陽中性子の観測(II)

    山岡和貴, 田島宏康, 佐々井義矩, 宮田喜久子, 稲守孝哉, 中澤知洋, 増田智, 伊藤和也, 松下幸司, 高橋弘充, 渡邉恭子

    日本天文学会年会講演予稿集   Vol. 2019   2019

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  8. Report on a current thermal design plan for SONGS (SOlar Neutron and Gamma-ray Spectroscopy) mission

    宮田喜久子, 山岡和貴, 稲守孝哉, 田島宏康, PARK Ji Hyun

    日本航空宇宙学会中部・関西支部合同秋期大会講演論文集(CD-ROM)   Vol. 56th   2019

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  9. Development status of the soft X-ray imaging telescope “Xtend” for X-Ray Imaging and Spectroscopy Mission “XRISM” (4)

    Mori K., Hayashida K., Tomida H., Tanaka T., Uchida H., Tsuru T. G., Nakajima H., Noda H., Matsumoto H., Okajima T., Ishida M., Maeda Y., Murakami H., Yamauchi M., Hatsukade I., Nobukawa M., Nobukawa K. K., Kohmura T., Hagino K., Kobayashi S., Hiraga J. S., Uchiyama H., Yamaoka K., Ozaki M., Dotani T., Tsunemi H., the XRISM Xtend team

    Meeting Abstracts of the Physical Society of Japan   Vol. 74.2   page: 409 - 409   2019

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    DOI: 10.11316/jpsgaiyo.74.2.0_409

    CiNii Research

  10. X線衛星「ひとみ」搭載軟ガンマ線検出器(SGD)によるかに星雲のガンマ線偏光観測

    渡辺伸, 渡辺伸, 内田悠介, 内田悠介, 田島宏康, 深沢泰司, 一戸悠人, 内山秀樹, 内山泰伸, 榎戸輝揚, 太田方之, 大野雅功, 小高裕和, 片岡淳, 勝田隼一郎, 北口貴雄, 国分紀秀, GOLDWURM A, 斉藤新也, 佐藤悟朗, 佐藤理江, 高橋忠幸, 高橋忠幸, 高橋弘充, 武田伸一郎, 田中孝明, 田中康之, 寺田幸功, 中澤知洋, 中澤知洋, 中野俊男, 中森健之, 野田博文, 萩野浩一, 林克洋, 林克洋, BLANDFORD R, 牧島一夫, MADEJSKI G, 水野恒史, 森國城, 谷津陽一, 山岡和貴, 湯浅孝行, 米徳大輔, LAURENT P, LIMOUSIN O, LEBRUN F

    日本物理学会講演概要集(CD-ROM)   Vol. 73 ( 1 ) page: ROMBUNNO.25pK307‐5   2018.3

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    J-GLOBAL

  11. Proposal for Solar Neutron Observation Satellite

    宮田喜久子, 山岡和貴, 田島宏康

    日本航空宇宙学会中部・関西支部合同秋期大会講演論文集(CD-ROM)   Vol. 55th   2018

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  12. 超小型衛星による,宇宙空間からの太陽中性子の観測

    山岡和貴, 田島宏康, 宮田喜久子, 田村啓輔, 伊藤和也, 稲守孝哉, 高橋弘充

    日本天文学会年会講演予稿集   Vol. 2018   2018

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  13. X線天文衛星「ひとみ」搭載の硬X線撮像検出器(HXI)の軌道上性能

    中澤知洋, 高橋忠幸, 国分紀秀, 渡辺伸, 佐藤悟朗, 太田方之, 萩野浩一, 佐藤理江, LEE Herman, 能町正治, 米徳大輔, 田中孝明, 榎戸輝揚, 寺田幸功, 内山秀樹, 谷津洋一, 一戸悠人, 野田博文, 田島宏康, 山岡和貴, 林克洋, 深沢泰司, 水野恒史, 大野雅功, 高橋弘充, 中森健之, 内山泰伸, 斉藤新也, 牧島一夫, 湯浅孝行, 中野俊男, 片岡淳, LEBRUN Francois, GOLDWURM Andrea, LIMOUSIN Olivier, LAURENT Philippe, MAIER Daniel, 小高裕和

    日本物理学会講演概要集(CD-ROM)   Vol. 71 ( 2 ) page: ROMBUNNO.24aSP‐6 - 370   2016.9

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    DOI: 10.11316/jpsgaiyo.71.2.0_370

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    J-GLOBAL

  14. In-orbit performance of HXI/SGD BGO active shield onboard Hitomi

    Ohno Masanori, Fukazawa Yasushi, Mizuno Tsunefumi, Takahashi Hiromitsu, Uchida Yuusuke, Sato Rie, Hagino Koichi, Ohta Masayuki, Sato Goro, Watanabe Shin, Kokubun Motohide, Takahashi Tadayuki, Hayashi Katsuhiro, Yamaoka Kazutaka, Tajima Hiroyasu, Murakami Hiroaki, Kobayashi Syogo, Miyake Katsuma, Nakazawa Kazuhiro, Makishima Kazuo, Nakano Toshio, Odaka Hirokazu, Kataoka Jun, Nakamori Takeshi, Yatsu Yoichi, Uchiyama Hideki, Terada Yukikatsu, Yonetoku Daisuke, the HXI/SGD team

    Meeting Abstracts of the Physical Society of Japan   Vol. 71   page: 372 - 372   2016

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    DOI: 10.11316/jpsgaiyo.71.2.0_372

    CiNii Research

  15. ASTRO‐H衛星搭載軟ガンマ線検出器の衛星総合試験における試験結果

    林克洋, 田島宏康, 深沢泰司, 渡辺伸, 渡辺伸, 内山秀樹, 内山泰伸, 榎戸輝揚, 太田方之, 大野雅功, 小高裕和, 片岡淳, 国分紀秀, 佐藤悟朗, 佐藤理江, 高橋忠幸, 高橋忠幸, 高橋弘充, 武田伸一郎, 田代信, 田中孝明, 寺田幸功, 中澤知洋, 中森健之, 原山淳, BLANDFORD Roger, 牧島一夫, MADEJSKI Grzegorz, 水野恒史, 森國城, 谷津陽一, 山岡和貴, 山田真也, 湯浅孝行, 米徳大輔, LAURENT Philippe, LIMOUSIN Olivier, LEBRUN Francois

    日本物理学会講演概要集(CD-ROM)   Vol. 70 ( 2 ) page: ROMBUNNO.25PSJ-3   2015.9

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    J-GLOBAL

  16. ASTRO-H衛星搭載硬X線軟ガンマ線検出器におけるBGOアクティブシールドの開発状況

    大野雅功, 徳田伸矢, 中村竜, 高橋弘充, 深沢泰司, 村上浩章, 小林翔悟, 櫻井壮希, 笹野理, 鳥井俊輔, 中澤和洋, 牧島一夫, 山岡和貴, 田島宏康, 内山秀樹, 佐藤理江, 萩野浩一, 湯浅孝行, 佐藤悟朗, 渡辺伸, 国分紀秀, 高橋忠幸, 森國城, 谷津陽一, 片岡淳, 齋藤龍彦, 吉野将生, 中森健之

    日本物理学会講演概要集   Vol. 69 ( 1 )   2014

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  17. すざく衛星搭載広帯域全天モニタによる太陽フレア観測

    大野雅功, 高木勝俊, 河野貴文, 中村竜, 古井俊也, 深沢泰司, 安田哲也, 石田勇介, 上野遥, 杉本樹信, 遠藤輝, 坂本明弘, 丸谷美恵, 寺田幸功, 田代信, 石川真之介, 大森法輔, 秋山満, 山内誠, 山岡和貴, 杉田聡司, 中川友進, 国分紀秀, 高橋忠幸, 岩切渉, 花畑義隆, 浦田裕次, 中澤知洋, 牧島一夫

    日本天文学会年会講演予稿集   Vol. 2013   page: 115   2013.8

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Presentations 23

  1. CALET results after three years on the International Space Station

    Asaoka Y.

    Journal of Physics: Conference Series 

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    Event date: 2020.3

    Language:English   Presentation type:Oral presentation (general)  

    DOI: 10.1088/1742-6596/1468/1/012074

    Scopus

  2. High-redshift gamma-ray burst for unraveling the Dark Ages Mission - HiZ-GUNDAM -

    Yonetoku D.

    Proceedings of SPIE - The International Society for Optical Engineering 

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    Event date: 2020

    Language:English   Presentation type:Oral presentation (general)  

    DOI: 10.1117/12.2560603

    Scopus

  3. Study on possible proton-induced background of LaBr<inf>3</inf>(Ce) scintillator in a low-Earth orbit

    Mizushima T.

    Proceedings of SPIE - The International Society for Optical Engineering 

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    Event date: 2020

    Language:English   Presentation type:Oral presentation (general)  

    DOI: 10.1117/12.2560810

    Scopus

  4. Status of X-Ray imaging and spectroscopy mission (XRISM)

    Tashiro M.

    Proceedings of SPIE - The International Society for Optical Engineering 

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    Event date: 2020

    Language:English   Presentation type:Oral presentation (general)  

    DOI: 10.1117/12.2565812

    Scopus

  5. Soft X-ray imager (SXI) for Xtend onboard X-Ray imaging and spectroscopy mission (XRISM)

    Nakajima H.

    Proceedings of SPIE - The International Society for Optical Engineering 

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    Event date: 2020

    Language:English   Presentation type:Oral presentation (general)  

    DOI: 10.1117/12.2560348

    Scopus

  6. The CALorimetric Electron Telescope (CALET) on the international space station: Results from the first two years on orbit

    Asaoka Y.

    Journal of Physics: Conference Series 

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    Event date: 2019.3

    Language:English   Presentation type:Oral presentation (general)  

    DOI: 10.1088/1742-6596/1181/1/012003

    Scopus

  7. Solar neutron and gamma-ray detector for a 3U Cubesat

    Yamaoka K.

    Proceedings of Science 

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    Event date: 2019

    Language:English   Presentation type:Oral presentation (general)  

    Scopus

  8. Space-based solar neutron observations for cubesat project

    Miyata K.

    Proceedings of the International Astronautical Congress, IAC 

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    Event date: 2018

    Language:English   Presentation type:Oral presentation (general)  

    Scopus

  9. CALET GBM observations of gamma-ray bursts and gravitational wave sources

    Yamaoka K.

    Proceedings of Science 

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    Event date: 2017

    Language:English   Presentation type:Oral presentation (general)  

    Scopus

  10. Solar neutron and gamma-ray monitor for a small satellite

    Yamaoka K.

    Proceedings of Science 

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    Event date: 2017

    Language:English   Presentation type:Oral presentation (general)  

    Scopus

  11. CALET GBM observations of gamma-ray bursts and gravitational wave sources

    Yamaoka K.

    Proceedings of Science 

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    Event date: 2017

    Language:English   Presentation type:Oral presentation (general)  

    DOI: 10.22323/1.301.0614

    Scopus

  12. Solar neutron and gamma-ray monitor for a small satellite

    Yamaoka K.

    Proceedings of Science 

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    Event date: 2017

    Language:English   Presentation type:Oral presentation (general)  

    DOI: 10.22323/1.301.0239

    Scopus

  13. The hard X-ray imager (HXI) onboard ASTRO-H

    Nakazawa K.

    Proceedings of SPIE - The International Society for Optical Engineering 

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    Event date: 2016

    Language:English   Presentation type:Oral presentation (general)  

    DOI: 10.1117/12.2231176

    Scopus

  14. Status and performance of the CALorimetric Electron Telescope (CALET) on the international space station

    Adriani O.

    Nuclear Physics B - Proceedings Supplements 

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    Event date: 2014.12

    Language:English   Presentation type:Oral presentation (general)  

    DOI: 10.1016/j.nuclphysbps.2014.10.026

    Scopus

  15. CALET Gamma-ray Burst Monitor (CGBM)

    Yamaoka K.

    Proceedings of the 33rd International Cosmic Rays Conference, ICRC 2013 

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    Event date: 2013

    Language:English   Presentation type:Oral presentation (general)  

    Scopus

  16. The CALorimetric Electron Telescope (CALET) on the international space station: Results from the first two years on orbit International conference

    Asaoka Y

    Journal of Physics: Conference Series  2019.3.10 

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    Language:English   Presentation type:Oral presentation (general)  

  17. Solar neutron and gamma-ray detector for a 3U Cubesat International conference

    Yamaoka K

    Proceedings of Science  2019 

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    Language:English   Presentation type:Oral presentation (general)  

  18. Status and performance of the CALorimetric Electron Telescope (CALET) on the international space station International conference

    Adriani O

    Nuclear Physics B - Proceedings Supplements  2014.12.1 

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    Language:English   Presentation type:Oral presentation (general)  

  19. Space-based solar neutron observations for cubesat project International conference

    Miyata K

    Proceedings of the International Astronautical Congress, IAC  2018 

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    Language:English   Presentation type:Oral presentation (general)  

  20. Solar neutron and gamma-ray monitor for a small satellite International conference

    Yamaoka K

    Proceedings of Science  2017 

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    Language:English   Presentation type:Oral presentation (general)  

  21. CALET results after three years on the International Space Station International conference

    Asaoka Y

    Journal of Physics: Conference Series  2020.3.20 

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    Language:English   Presentation type:Oral presentation (general)  

  22. CALET GBM observations of gamma-ray bursts and gravitational wave sources International conference

    Yamaoka K

    Proceedings of Science  2017 

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    Language:English   Presentation type:Oral presentation (general)  

  23. CALET Gamma-ray Burst Monitor (CGBM) International conference

    Yamaoka K

    Proceedings of the 33rd International Cosmic Rays Conference, ICRC 2013  2013 

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    Language:English   Presentation type:Oral presentation (general)  

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Research Project for Joint Research, Competitive Funding, etc. 3

  1. 理工連携による、大学発太陽フレア粒子観測用キューブサットの開発

    Grant number:9243  2021.10 - 2023.3

    2021年度第31回自然科学系学術研究助成 

    山岡 和貴

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\3500000 ( Direct Cost: \3500000 )

  2. 月・火星における水探査を目指した革新的中性子・ガンマ線センサの開発

    Grant number:2021M-231  2021.4 - 2023.3

    JKA2021年度小型自動車等機械振興事業 

    山岡 和貴

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\10000000 ( Direct Cost: \10000000 )

  3. 超小型衛星による太陽フレアにおけるイオン加速機構の解明

    2017.9 - 2019.9

    平成29年度研究費助成 

    山岡 和貴

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    Grant type:Competitive

KAKENHI (Grants-in-Aid for Scientific Research) 4

  1. Development of space-based solar neutron observations with micro-satelite

    Grant number:18H03700  2018.4 - 2023.3

    Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (A)

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    Authorship:Principal investigator 

    Grant amount:\44980000 ( Direct Cost: \34600000 、 Indirect Cost:\10380000 )

  2. Unraveling of radiation mechanisms of gamma-ray bursts with wide-band X and gamma-ray observations mainly focusing on X-ray observations

    Grant number:24684015  2012.4 - 2017.3

    Yamaoka Kazutaka

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    Authorship:Principal investigator 

    Grant amount:\17290000 ( Direct Cost: \13300000 、 Indirect Cost:\3990000 )

    In order to unravel radiation mechanisms of gamma-ray bursts (GRBs) which is one of the biggest explosion in the Universe, we carried out wide-band observations from X-rays to GeV gamma-rays focusing on X-rayu range below 10 keV with MAXI and CALET Gamma-ray Burst Monitor (CGBM) on the International Space Station (ISS) which was successfully launched in August 2015. The CGBM observed 61 GRBs so far (4 GRBs were simultaneously detected by MAXI), and searched for X-ray and gamma-ray counterpart of gravitational wave e\vents. MAXI observed 64 GRB candidates, and more than half of them are classifed to X-ray flashes (XRFs) whose radiations are dominant in X-rays. Furhtermore, we found that there were some weak events with soft X-ray spectrum and no X-ray conterparts found in the Swift follow-up observation. These events might be a new class for transient sources.

  3. Studies of State Transitions in Black Hole Candidates by Collaboration between Magnetohydrodynamic Simulations and X-ray Observations

    Grant number:23340040  2011.4 - 2014.3

    MATSUMOTO Ryoji

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    Authorship:Collaborating Investigator(s) (not designated on Grant-in-Aid) 

    State transitions of black hole candidates are studied by collaboration between theoretical/simulation studies and X-ray observations. By applying a higher accuracy magnetohydrodynamic code based on the HLLD scheme to hard-to-soft transitions, we found that luminous hard state is maintained by balancing the magnetic energy release and radiative cooling through magnetic reconnection between dynamo fields near the black hole and strong azimuthal fields in the outer disk. We also explained the state transitions observed during a tidal disruption event Swift J1644+57 by radiation hydrodynamic simulations of supercritical accretion onto a supermassive black hole.

  4. The Development of a New X-Ray Optical System Optimized for X-Ray/Gamma-Ray Transients

    Grant number:23340075  2011.4 - 2014.3

    KOTANI Taro

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    Authorship:Collaborating Investigator(s) (not designated on Grant-in-Aid) 

    Prototypes of the wide-filed X-ray imaging camera utilizing a hole mask and X-ray CCD camera have been developed and tested. The hole mask consists of a Cu foil with a hole pattern with a minimum pixel size of 35 micrometer processed with a picosecond laser. The prototypes are put in a vacuum chamber and illuminated with X-rays from radio isotopes. The FITS format are used to store image data. The results are published in popular science books as well as in conferences and meetings.