Faculty Profiles - MASUDA, Satoshi

Papers - MASUDA, Satoshi

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Solar Soft X-ray Irradiance Variability III: Magnetic Field Variations of Coronal X-ray Features

Kariyappa, R; Adithya, HN; Masuda, S; Kusano, K; Imada, S; Zender, J; Damé, L; Deluca, E; Weber, M; Matsumoto, T

SOLAR PHYSICS Vol. 299 ( 4 ) 2024.4

Detection of Solar Neutrons and Solar Neutron Decay Protons

Muraki, Y; Koi, T; Masuda, S; Matsubara, Y; Miranda, P; Miyake, S; Naito, T; Ortiz, E; Oshima, A; Sako, T; Shibata, S; Takamaru, H; Tokumaru, M; Valdés-Galicia, JF; Watanabe, K

UNIVERSE Vol. 10 ( 1 ) 2024.1

Relationship of peak fluxes of solar radio bursts and X-ray class of solar flares: Application to early great solar flares

Matsumoto, K; Masuda, S; Shimojo, M; Hayakawa, H

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN Vol. 75 ( 6 ) page： 1095 - 1104 2023.12

Characteristics of the Accelerated Electrons Moving along the Loop Derived from Cyclical Microwave Brightenings at the Footpoints Reviewed International coauthorship

Matsumoto, K; Masuda, S; Kaneko, T

ASTROPHYSICAL JOURNAL LETTERS Vol. 955 ( 2 ) 2023.10

Solar Soft X-Ray Irradiance Variability, II: Temperature Variations of Coronal X-Ray Features Reviewed International coauthorship

Adithya, H. N., R. Kariyappa, K. Kusano, S. Masuda, S. Imada, J. Zender, L. Damé, H. Manjunath, E. DeLuca, and M. Weber

Solar Physics Vol. 298 ( 8 ) 2023.8

SOlar Neutron and Gamma-ray Spectroscopy Mission (SONGS) Reviewed

Yamaoka, K; Tajima, H; Miyata, K; Usami, M; Watabe, T; Matsushita, K; Ito, K; Nakazawa, K; Masuda, S; Tani, K; Arai, M; Hatori, S; Kume, K; Mizushima, S; Takahashi, H; Watanabe, K

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

Energy and spectral analysis of confined solar flares from radio and X-ray observations Reviewed International coauthorship

Tan, CM; Klein, KL; Yan, YH; Masuda, S; Tan, BL; Huang, J; Yuan, GW

RESEARCH IN ASTRONOMY AND ASTROPHYSICS Vol. 21 ( 11 ) 2021.12

High-energy gamma-rays and neutrons observed in very impulsive solar flare on 2012 June 3 Reviewed

Kamiya, K; Koga, K; Masuda, S; Matsumoto, H; Muraki, Y; Okudaira, O; Shibata, S; Tajima, H; Tanaka, Y; Yamamoto, T; Watanabe, K

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN Vol. 73 ( 6 ) page： 1443 - 1469 2021.12

Nonequilibrium Flux Rope Formation by Confined Flares Preceding a Solar Coronal Mass Ejection Reviewed International coauthorship

Kliem, B., J. Lee, R. Liu, S. M. White, C. Liu, and S. Masuda

ASTROPHYSICAL JOURNAL Vol. 909 ( 1 ) 2021.3

Development of a Method for Determining the Search Window for Solar Flare Neutrinos Reviewed

Okamoto K., Nakano Y., Masuda S., Itow Y., Miyake M., Terasawa T., Ito S., Nakahata M.

SOLAR PHYSICS Vol. 295 ( 10 ) 2020.10

Microwave Study of a Solar Circular Ribbon Flare Reviewed International coauthorship

Lee Jeongwoo, White Stephen M., Chen Xingyao, Chen Yao, Ning Hao, Li Bo, Masuda Satoshi

ASTROPHYSICAL JOURNAL LETTERS Vol. 901 ( 1 ) 2020.9

Microwave and Hard X-Ray Flare Observations by NoRH/NoRP and RHESSI: Peak-flux Correlations Reviewed International coauthorship

Krucker Sam, Masuda Satoshi, White Stephen M.

ASTROPHYSICAL JOURNAL Vol. 894 ( 2 ) 2020.5

Possible detection of solar gamma-rays by ground-level detectors in solar flares on 2011 March 7 Reviewed International coauthorship

Muraki Yasushi, Valdes-Galicia Jose F., Xavier Gonzalez Luis, Kamiya Kohki, Katayose Yusaku, Koga Kiyokazu, Matsumoto Haruhisa, Masuda Satoshi, Matsubara Yutaka, Nagai Yuya, Ohnishi Munehiro, Ozawa Syunsuke, Sako Takashi, Shibata Shoichi, Takita Masato, Tanaka Yasuyuki, Tsuchiya Harufumi, Watanabe Kyoko, Zhang Ji Long

PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN Vol. 72 ( 2 ) 2020.4

Multiwavelength Stereoscopic Observation of the 2013 May 1 Solar Flare and CME Reviewed International coauthorship

Lastufka Erica, Krucker Sam, Zimovets Ivan, Nizamov Bulat, White Stephen, Masuda Satoshi, Golovin Dmitriy, Litvak Maxim, Mitrofanov Igor, Sanin Anton

ASTROPHYSICAL JOURNAL Vol. 886 ( 1 ) 2019.11

Solar Fast-drifting Radio Bursts in an X1.3 Flare on 2014 April 25 Reviewed International coauthorship

Tan, B., N. Chen, Y.-H. Yang, C. Tan, S. Masuda, X. Chen, and H. Misawa

Astrophysical Journal Vol. 885 ( 1 ) page： 90 (10pp) 2019.11

Quasi-periodic Pulsations before and during a Solar Flare in AR 12242 Reviewed International coauthorship

Chen Xingyao, Yan Yihua, Tan Baolin, Huang Jing, Wang Wei, Chen Linjie, Zhang Yin, Tan Chengming, Liu Donghao, Masuda Satoshi

ASTROPHYSICAL JOURNAL Vol. 878 ( 2 ) 2019.6

Localized Microwave and EUV Bright Structures in an Eruptive Prominence Reviewed International coauthorship

Huang, J., B. Tan, S. Masuda, X. Cheng, S. K. Bisoi, and V. Melnikov

Astrophys. J. Vol. 874 ( 2 ) 2019.4

Comparative Study of Microwave Polar Brightening, Coronal Holes, and Solar Wind over the Solar Poles Reviewed

Fujiki Ken'ichi, Shibasaki Kiyoto, Yashiro Seiji, Tokumaru Munetoshi, Iwai Kazumasa, Masuda Satoshi

SOLAR PHYSICS Vol. 294 ( 3 ) 2019.3

Quarter Century of Nobeyama Radioheliograph and Its Contribution to Space Weather Research Invited

Masuda Satoshi

2019 URSI ASIA-PACIFIC RADIO SCIENCE CONFERENCE (AP-RASC) page： . 2019

Magnetic Structure of a Composite Solar Microwave Burst Reviewed International coauthorship

Lee Jeongwoo, White Stephen M., Liu Chang, Kliem Bernhard, Masuda Satoshi

ASTROPHYSICAL JOURNAL Vol. 856 ( 1 ) 2018.3

Detection of Propagating Fast Sausage Waves through Detailed Analysis of a Zebra-pattern Fine Structure in a Solar Radio Burst Reviewed

Kaneda K., Misawa H., Iwai K., Masuda S., Tsuchiya F., Katoh Y., Obara T.

ASTROPHYSICAL JOURNAL LETTERS Vol. 855 ( 2 ) 2018.3

Characteristics that Produce White-light Enhancements in Solar Flares Observed by Hinode/SOT Reviewed

Watanabe, K., J. Kitagawa, and S. Masuda

Astrophys. J. Vol. 850 ( 2 ) page： 204 (13pp) 2017.12

Thermal and Nonthermal Emissions of a Composite Flare Derived from NoRH and SDO Observations Reviewed International coauthorship

Lee, J. S. M. White, J. Jing, C. Liu, S. Masuda, and J. Chae

Astrophys. J. Vol. 850 ( 2 ) page： 124 (10pp) 2017.12

Measurement of solar neutrons on March 5, 2012, using a Fiber-type neutron monitor onboard SEDA-AP attached to the ISS Reviewed

Koga, K., Y. Muraki, S. Masuda, S. Shibata, H. Matsumoto, and H. Kawano

Solar Phys. Vol. 292 ( 8 ) page： 115K 2017.8

A likely detection of a local interplanetary dust cloud passing near the Earth in the AKARI mid-infrared all-sky map Reviewed

Ishihara, D., T. Kondo, H. Kaneda, T. Suzuki, K. Nakamichi, S. Takaba, H. Kobayashi, S. Masuda, T. Ootsubo, J. Pyo, and T. Onaka

Astron. and Astrophys. Vol. 603 page： A82 2017.7

Polarization Characteristics of Zebra Patterns in Type IV Solar Radio Bursts Reviewed

Kaneda, K., H. Misawa, K. Iwai, F. Tsuchiya, T. Obara, Y. Katoh, and S. Masuda

Astrophys. J. Vol. 842 ( 1 ) page： 45K 2017.6

Temporal evolution and spatial distribution of white-light flare kernels in a solar flare Reviewed

Kawate, T., T. T. Ishii, Y. Nakatani, K. Ichimoto, A. Asai, S. Morita, and S. Masuda

Astronphys. J. Vol. 833 page： 50K 2016.12

Simultaneous Observation of Solar Neutrons from the ISS and High Mountain Observatories in association with a flare on July 8, 2014 Reviewed

Muraki, Y., D. Lopez, K. Koga, F. Kakimoto, T. Goka, L.X. Gonzalez, S. Masuda, Y. Matsubara, H. Matsumoto, P. Miranda, O. Okudaira, T. Obara, J. Salinas, T. Sako, S. Shibata, R. Ticona, Y. Tsunesada, J. F. Valdes-Galicia, K. Watanabe, and T. Yamamoto

Solar Physics Vol. 291 ( 4 ) page： 1241-1265 2016.4

Solar Micro-Type III Burst Storms and Long Dipolar Magnetic Field in the Outer Corona Reviewed

Morioka, A., Y. Miyoshi, K. Iwai, Y. Kasaba, S. Masuda, H. Misawa, and T. Obara

Astrophys. J. Vol. 808 ( 2 ) page： 191 (9pp) 2015.8

Spectral Structures and Their Generation Mechanisms for Solar Radio Type-I Bursts Reviewed

Iwai, K., Y. Miyoshi, S. Masuda, F. Tsuchiya, A. Morioka, H. Misawa

Astrophys. J. Vol. 789 page： 4 (9pp.) 2014.7

Systematic Microwave Source Motions along Flare-arcade Observed by Nobeyama Radioheliograph and AIA/SDO Reviewed

Kim, S., S. Masuda, K. Shibasaki, and S.-C. Bong

PASJ Vol. 65 ( S1 ) page： 2 2013.12

Extremely Microwave-Rich Solar Flare Observed with Nobeyama Radioheliograph Reviewed

Masuda, S., M. Shimojo, T. Kawate, S. Ishikawa, and M. Ohno

PASJ Vol. 65 ( S1 ) page： 1 2013.12

Emission Height and Temperature Distribution of White-Light Emission Observed by Hinode/SOT from a 2012 January 27 Solar Flare Reviewed

Watanabe, K., T. Shimizu, S. Masuda, K. Ichimoto, and M. Ohno

Astrophys. J. Vol. 776 page： 123 2013.10

Peak flux distributions of solar radio type-I bursts from highly resolved spectral observations Reviewed

Iwai, K., S. Masuda, Y. Miyoshi, F. Tsuchiya, A. Morioka, and H. Misawa

Ap.J. Lett. Vol. 768 page： L2 2013.4

High Speed Imaging System for Solar Flare Research at Hida Observatory Reviewed

Ishii, T. T., T. Kawate, Y. Nakatani, S. Morita, K. Ichimoto, and S. Masuda

PASJ Vol. 65 ( 2 ) page： No. 39 2013.4

Temporal and Spatial Analyses of Spectral Indices of Nonthermal Emissions Derived from Hard X-Rays and Microwaves Reviewed

Asai, A., J. Kiyohara, H. Takasaki, N. Narukage, T. Yokoyama, S. Masuda, M. Shimojo, H. Nakajima

Astropys. J. Vol. 763 page： 10.1088/0004-637X/763/2/87 2013.2

Survey of Accelerated Particles in a Solar Active Region Using Hinode/XRT and Ground-Based Type-I Radio Burst Observations Reviewed

Iwai, K., H. Misawa, F. Tsuchiya, A. Morioka, S. Masuda, and Y. Miyoshi

ASP Conference Series Vol. 454 page： 249 2012.8

Hinode Flare Catalog Reviewed

Watanabe, K., S. Masuda, and T. Segawa

Solar Physics Vol. 279 page： 317-322 2012.4

Solar radio type-I noise storm modulated by Coronal Mass Ejections Reviewed

Iwai, K., Y. Miyoshi, S. Masuda, M. Shimojo, D. Shiota, S. Inoue, F. Tsuchiya, A. Morioka, and H. Misawa

Astropys. J. Vol. 744 page： 167-175 2012.1

The Focusing Optics X-ray Solar Imager (FOXSI) Reviewed

Krucker, S., S. Christe, L. Glesener, S.-N. Ishikawa, S. McBride, D. Glaser, P. Turin, R. P. Lin, M. Gubarev, B. Ramsey, S. Saito, Y. Tanaka, T. Takahashi, S. Watanabe, T. Tanaka, H. Tajima, and S. Masuda

Proc. SPIE Vol. 8147 page： 10.1117/12.895271 2011.9

Coronal electron distribution in solar flares: drift kinetic model Reviewed

Minoshima, T., S. Masuda, Y. Miyoshi, and K. Kusano

Astrophys. J. Vol. 732 page： 111-117 2011.5

Magnetic Transport on the Solar Atmosphere by Laminar and Turbulent Ambipolar Diffusion Reviewed

Hiraki,Y., V. Krishan, and S. Masuda

Astrophys. J. Vol. 720 page： 1311-1317 2010.9

Trans-equatorial Loop System Comes from Coronal Hole Boundary through Interactions between Active Region and Coronal Hole Reviewed

Yokoyama, M. and S. Masuda

Solar Physics Vol. 263 page： 135-152 2010.5

Measurements of the Coronal Acceleration Region of a Solar Flare Reviewed

Krucker S., H. S. Hudson, L. Glesener, S. M. White, S. Masuda, J.-P. Wuelser, and R. P. Lin

Astrophys. J. Vol. 714 page： 1108-1119 2010.5

G-band and Hard X-ray emissions of the 2006 December 14 Flare Observed by Hinode/SOT and RHESSI Reviewed

Watanabe, K., S. Krucker, T. Shimizu, S. Masuda, and K. Ichimoto

Astrophys. J. Vol. 715 page： 651-655 2010.5

Drift-Kinetic Modeling of Particle Acceleration and Transport in Solar Flares Reviewed

Minoshima, T., S. Masuda, and Y. Miyoshi

Astrophys. J. Vol. 714 page： 332-342 2010.5

*Formation Mechanism of Soft X-ray Transient Trans-Equatorial Loop System Reviewed

Yokoyama, M. and S. Masuda

Solar Phys. Vol. 254 page： 285-296 2009

The Focusing Optics X-ray Solar Imager (FOXSI) Reviewed

Krucker, S., S. Christe, L. Glesener, S. McBride, P. Turin, D. Glaser, P. Saint-Hilaire, G. Delory, R. P. Lin, M. Gubarev, B. Ramsey, Y. Terada, S. Ishikawa, M. Kokubun, S. Saito, T. Takahashi, S. Watanabe, K. Nakazawa, H. Tajima, S. Masuda, T. Minoshima, and M. Shomojo

Proc. SPIE Vol. 7437 page： 743705 2009

Multi-Wavelength Observation of Electron Acceleration in the 2006 December 13 Flare Reviewed

Minoshima T., S. Imada, T. Morimoto, T. Kawate, H. Koshiishi, M. Kubo, S. Inoue, H. Isobe, S. Masuda, S. Krucker, and T. Yokoyama

Astrophys. J. Vol. 697 page： 843-849 2009

Imaging Spectroscopy on Preflare Coronal Nonthermal Sources Reviewed

Asai, A., H. Nakajima, M. Shimojo, T. Yokoyama, S. Masuda, and S. Krucker

Astrophys. J. Vol. 695 page： 1623-1630 2009

Magnetic Transport On The Solar Atmosphere By Turbulent Ambipolar Diffusion Reviewed

Krishan, V. and S. Masuda

Asian Journal of Physics Vol. 17 page： 479-488 2008

*Looptop impulsive hard X-ray source in solar flares observed with Yohkoh/HXT Invited Reviewed

Masuda, S.

Asian Journal of Physics Vol. 17 page： 411-421 2008

Three-Dimensional Structure Analysis of Coronal Magnetic Field in AR NOAA 10930 Based on Vector Magnetogram Observations with Hinode/SOT Reviewed

Inoue, S., K. Kusano, S. Masuda, T. Miyoshi, T. Yamamoto, T. Magara, S. Tsuneta, T. Sakurai, T. Yokoyama, and the US/Japan SOT team

ASP conference series Vol. 397 page： 110 2008

*Hard X-ray emission from the solar corona Reviewed

Krucker, S., M. Battaglia, P. J. Cargill, L. Fletcher, H. S. Hudson, A. L. MacKinnon, S. Mausda, L. Sui, M. Tomczak, A. M. Veronig, L. Vlahos, and S. M. White

Astron. and Astrophys. Review Vol. 16 page： 155-208 2008

Detection of High-Energy Solar Neutrons and Protons by Ground Level Detec tors on April 15 Reviewed

Muraki, Y., Y. Matsubara, S. Masuda, S. Sakakibara, T. Sako, K. Watanabe, R. Buetikofer, E. O. Flueckiger, A. Chilingarian, G. Hovsepyan, F. Kakimoto, T. Terasawa, Y. Tsunesada, H. Tokuno, A. Velarde, P. Evenson, J. Poirier, and T. Sakai

Astroparticle Physics Vol. 29 page： 229-242 2008

Evolution of H-alpha Kernels and Energy Release in an X-Class Flare Reviewed

Asai, A., T. Yokoyama, M. Shimojo, S. Masuda, and K. Shibata

ASP Conference Series Vol. 369 page： 461-468 2007

Imaging Spectroscopy of a Gradual Hardening Flare on 2000 November 25 Reviewed

Takasaki, H., J. Kiyohara, A. Asai, H. Nakajima, T. Yokoyama, S. Masuda, J. Sato, and T. Kosugi

Astrophysical Journal Vol. 661 page： 1234-1241 2007

*Micro-Type-III Radio Bursts Reviewed

Morioka, A., Y. Miyoshi, S. Masuda, F. Tsuchiya, H. Misawa, H. Matsumoto, K. Hashimoto, and H. Oya

Astrophys. J. Vol. 657 page： 567-576 2007

Language：English Publishing type：Research paper (scientific journal)

We present a detailed description of the features of solar "micro–type III" radio bursts, which are elements of the so-called type III storms, using long-term observations made by the Geotail and Akebono satellites. Micro–type III bursts are characterized by short-lived, continuous, and weak emission. Their average power is estimated to be well below that of the largest type III bursts, by 6 orders of magnitude. When they occur, these bursts have a distribution of emitted power flux that is different from that of ordinary type III bursts, indicating that they are not just weaker versions of the ordinary bursts. Micro–type III burst activity is not accompanied by significant solar soft X-ray activity. We identify the active regions responsible for micro–type III bursts by examining the concurrence of their development and decay with the bursts. It is found that both micro and ordinary type III bursts can emanate from the same active region without interference, indicating the coexistence of independent electron acceleration processes. It is suggested that the active regions responsible for micro–type III bursts generally border on coronal holes.

A solar neutron telescope in Tibet and its capability examined by the 1998 November 28th event Reviewed

Muraki, Y., H. Tsuchiya, K. Fujiki, S. Masuda, Y. Matsubara, H. Menjo, T. Sako, K. Watanabe, M. Ohnishi, A. Shiomi, M. Takita, T. Yuda, Y. katayose, N. Hotta, S. Ozawa, T. Sakurai, Y. H. Tan, and J. L. Zhang

Astroparticle Physics Vol. 28 page： 119-131 2007

Flare Ribbon Expansion and Energy Release Reviewed

Asai, A., T. Yokoyama, M. Shimojo, S. Masuda, and K. Shibata

Journal of Astrophysics and Astronomy Vol. 27 page： 167-173 2006

Source Structures of the 1998 November 28 X-Class Flare and Electron Acceleration Reviewed

Huang, G., H. Nakajima, S. Masuda, K. Kobayashi, and M. Kubo

Publ. Astron. Soc. Japan Vol. 58 page： 37-45 2006

*Yohkoh/WBS recalibration and comprehensive catalogue of solar flares observed by Yohkoh SXT, HXT and WBS instruments Reviewed

Sato, J., Y. Matsumoto, K. Yoshimura, S. Kubo, J. Kotoku, S. Masuda, M. Sawa, K. Suga, M. Yoshimori, T. Kosugi, and T. Watanabe

Solar Physics Vol. 236 page： 351-368 2006

Language：English Publishing type：Research paper (scientific journal)

The flare catalogue of the Yohkoh mission is compiled and linked to this article as an electronic supplement. For showing flare characteristics over wide energy range concisely, we provide the images of Hard X-ray Telescope (HXT) and the Soft X-ray Telescope (SXT), and the spectra of Hard X-ray Spectrometer (HXS) and Gamma-Ray Spectrometer (GRS) with the Wide Band Spectrometer (WBS) time profiles. The energy versus pulse height (PH) data channels in HXS and GRS are re-calibrated by using the data of the whole mission period. Secular gain changes are recognized in HXS, and the characteristics of power-law flare spectra simultaneously observed by HXT and HXS confirms the trend. The GRS gains are different for the flare observations during the previous maximum and for the current maximum. The total of 33 γ -ray events are observed, and for 12 of them γ-ray flare spectra are obtained.

Solar neutron events that have been found in solar cycle 23 Reviewed

Fluckiger, E. O., R. Butikofer, A. Chilingarian, G. Hovsepyan, Y. H. Tan, T. Yuda, H. Tsuchiya, M. Ohnishi, Y. Katayose, Y. Muraki, Y. Matsubara, T. Sako, K. Watanabe, S. Masuda, T. Sakai, S. Shibata, R. Ogasawara, Y. Mizumoto, M. Nakagiri, A. Miyashita, P. H. Stoker, C. Lopate, K. Kudela,and M. Gros

Int. J. Mod. Phys. A Vol. 20 page： 6646-6649 2005

Motion of the HXR sources in Solar Flares: Yohkoh Images and Statistics Reviewed

Somov, B. V., T. Kosugi, S. A. Bogachev, T. Sakao, and S. Masuda

Adv. Space Res. Vol. 35 page： 1700-1706 2005

On Upward Motions of Coronal Hard X-ray Sources in Solar Flares Reviewed

Somov, B. V., T. Kosugi, S. A. Bogachev, S. Masuda, and T. Sakao

Adv. Space Res. Vol. 35 page： 1690-1699 2005

Flare Ribbon Expansion and Energy Release Rate Reviewed

Asai, A., T. Yokoyama, M. Shimojo, S. Masuda, H. Kurokawa, and K. Shibata

Astrophys. J. Vol. 611 page： 557-567 2004

A Statistical Study of Gamma-ray Emitting Solar Flares Observed with Yohkoh Reviewed

Matsumoto, Y., K. Makishima, J. Kotoku, M. Yoshimori, T. Kosugi, S. Masuda, and K. Morimoto

Publ. Astron. Soc. Japan Vol. 57 page： 211-220 2004

Evolution of Flare Ribbons and Energy Release Reviewed

Asai, A., S. Masuda, T. Yokoyama, M. Shimojo, H. Kurokawa, T. T. Ishii, and K. Shibat

Adv. Space Res. Vol. 32 page： 2561-2566 2003

Hard X-ray Footpoint Motion and Acceleration Mechanism Reviewed

Masuda, S. and J. Sato

Adv. Space Res. Vol. 32 page： 2455-2458 2003

Modeling Large Solar Flares Reviewed

Somov, B. V., T. Kosugi, H. S. Hudson, T. Sakao, and S. Masuda

Adv. Space Res. Vol. 32 page： 2439-2450 2003

Near Real-Time Calculation of Ionospheric Electric Fields and Currents using GEDAS Reviewed

Shirai, H., Y. Kamide, E. A. Kihn, B. Hausman, M. Shinohara, H. Nakata, M. Isowa, T. K. Takada, Y. Watanabe, and S. Masuda

Chin. J. Astron. Astrophys. Vol. 3 page： 375-380 2003

The Geospace Environment Data Analysis System Reviewed

Kamide, Y., S. Masuda, H. Shirai, H.-J. Kim, T. Ogino, H. Shinagawa, M. Kojima, E. A. Kihn, and A. J. Ridley

Adv. Space Res. Vol. 31 page： 807-812 2003

Solar Neutron Event in Association with a Large Solar Flare on 2000 November 24 Reviewed

Watanabe, K., Y. Muraki, Y. Matsubara, K. Murakami, T. Sako, H. Tsuchiya, S. Masuda, M. Yoshimori, N. Ohmori, P. Miranda, N. Martinic, R. Ticona, A. Velarde, F. Kakimoto, S. Ogio, Y. Tsunesada, H. Tokuno, and Y. Shirasaki

Astrophys. J. Vol. 592 page： 590-596 2003

A magnetic reconnection scenario of the Bastille-Day flare Reviewed

Somov, B. V., T. Kosugi, H. S. Hudson, T. Sakao, and S. Masuda

Astrophys. J. Vol. 579 page： 863-873 2002

Difference between Spatial Distributions of the H-alpha Kernelsand Hard X-ray sources in a Solar Flare Reviewed

Asai, A., S. Masuda, T. Yokoyama, M. Shimojo, H. Isobe, H. Kurokawa, and K. Shibata

Astrophys. J. Vol. 578 page： L91-L94 2002

Three-Dimensional reconnection at the sun: space observations and collisionless models Reviewed

Somov, B., T. Kosugi, Y. E. Litvinenko, T. Sakao, S. Masuda, A. V. Oreshina, and E. Y. Merenkova

Adv. Space Res. Vol. 29 page： 1035-1044 2002

A Hard X-ray Two-Ribbon Flare Observed with Yohkoh/HXT (共著) Reviewed

Masuda, S., T. Kosugi, and H. S. Hudson

Solar Physics Vol. 204 page： 55-67 2001

Improvement of Yohkoh HXT Imaging and an Analysis of the X9 Flare of 1997 November 6 (共著)

Adv. Space Res. Vol. 26 page： 501-504 2000

Evolution of Magnetic Field Structure and Particle Acceleration in Solar Flares (共著)

Adv. Space Res. Vol. 26 page： 497-500 2000

Spectral Characteristics of Above-the-Looptop Hard X-ray Source (共著)

Adv. Space Res. Vol. 26 page： 493-496 2000

Basic Physics of Collisionless Three-Dimesional Reconnection in the Solar Corona Related to Yohkoh Observations (共著)

Adv. Space Res. Vol. 25 page： 1821-1824 2000

Precise Determination of the Coordinate Systems for the Yohkoh Telescopes and the Application of a Transit of Mercury(共著)

Solar Physics Vol. 180 page： 131-156 1998

On the Solar Origins of Intense Geomagnetic Storms Observed during 6-11 March 1993(共著)

Solar Physics Vol. 183 page： 419-434 1998

Two-step development of geomagnetic storms(共著)

Journal of Geophysical Research Vol. 103 page： 6917-6921 1998

On the Velocity of a Hard X-ray Source in the Solar Corona (共著)

Astronomical Letters Vol. 24 page： 543-548 1998

Hot and Super-Hot Plasmas above an Impulsive-Flare Loop(共著)

The Astrophysical Journal Vol. 478 page： 787-798 1997

Characteristics of Hard X-ray Double Sources in Impulsive Solar Flares(共著)

Adv. Space Res. Vol. 17 ( 4/5 ) page： 67-70 1996

Discovery of a Loop-top Hard X-ray Source in Impulsive Solar Flares(共著)

Adv. Space Res. Vol. 17 ( 4-5 ) page： 63-66 1996

The 1991 October 24 Flare : A Challenge for Standard Models (共著)

Astrophysical Journal Vol. 440 page： 386-393 1995

Imaging Spectra of Hard X-rays from the Footpoints of Solar Impulsive Loop Flares(共著)

Publications of the Astronomical Society of Japan Vol. 47 page： 355-364 1995

Hard X-rays Sources and the Primary Energy-Release Site in Solar Flares(共著)

Publications of the Astronomical Society of Japan Vol. 47 page： 677-689 1995

Hot-Plasma Ejections Associated with Compact-Loop Solar Flares(共著)

Astrophysical Journal Letter Vol. 451 page： L83-L85 1995

A loop-top hard X-ray source in a compact solar flare as evidence for magnetic reconnection (共著)

Nature Vol. 371 ( 6497 ) page： 495-497 1994

MULTISPECTRAL OBSERVATIONS OF CHROMOSPHERIC EVAPORATION IN THE 1991 NOVEMBER 15 X-CLASS SOLAR FLARE (共著)

The Astrophysical Journal Vol. 424 page： 459-465 1994

Evolution of a Flare Source Inferred from Hard X-ray and Radio Observations : Solar Burst on 1992 October 27(共著)

Publications of the Astronomical Society of Japan Vol. 46 page： 653-663 1994

Time Variation of the Hard X-ray Image during the Early Phase of Solar Impulsive Bursts (共著)

Publications of the Astronomical Society of Japan Vol. 45 page： 737-753 1993

Hard X-ray Imaging Observations by YOHKOH of the 1991 November 15 Solar Flare (共著)

Publications of the Astronomical Society of Japan Vol. 44 page： L83-L87 1992

Average Height of Hard X-ray Sources in Solar Flares (共著)

Publications of the Astronomical Society of Japan Vol. 44 page： L89-L93 1992

The Hard X-ray Telescope (HXT) On board Yohkoh : Its Performance and Some Initial Results (共著)

Publications of the Astronomical Society of Japan Vol. 44 page： L45-L49 1992

THE SOLAR-A HARD X-RAY TELESCOPE (HXT) (共著)

Adv. Space Res. Vol. 11 ( 5 ) page： 81-84 1991

THE HARD X-RAY TELESCOPE (HXT) FOR THE SOLAR-A MISSION (共著)

Solar Physics Vol. 136 page： 17-36 1991

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