論文 - 藤木 謙一
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A Study of an Equatorial Coronal Hole Observed at the First Parker Solar Probe Perihelion 査読有り
Karna Nishu, Berger Mitchell A., Asgari-Targhi Mahboubeh, Paulson Kristoff, Fujiki Ken'ichi
ASTROPHYSICAL JOURNAL 925 巻 ( 1 ) 2022年1月
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Global Distribution of the Solar Wind Speed Reconstructed from Improved Tomographic Analysis of Interplanetary Scintillation Observations between 1985 and 2019 査読有り
Tokumaru Munetoshi, Fujiki Ken'ichi, Kojima Masayoshi, Iwai Kazumasa
ASTROPHYSICAL JOURNAL 922 巻 ( 1 ) 2021年11月
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Coordinated Interplanetary Scintillation Observations in Japan and Russia for Coronal Mass Ejection Events in Early September 2017 査読有り
Tokumaru Munetoshi, Fujiki Ken'ichi, Iwai Kazumasa, Tyul'bashev Sergey, Chashei Igor
SOLAR PHYSICS 294 巻 ( 7 ) 2019年7月
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Development of a coronal mass ejection arrival time forecasting system using interplanetary scintillation observations 査読有り
Iwai Kazumasa, Shiota Daikou, Tokumaru Munetoshi, Fujiki Ken'ichi, Den Mitsue, Kubo Yuki
EARTH PLANETS AND SPACE 71 巻 2019年4月
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High-latitude Conic Current Sheets in the Solar Wind 査読有り
Khabarova Olga V., Malova Helmi V., Kislov Roman A., Zelenyi Lev M., Obridko Vladimir N., Kharshiladze Alexander F., Tokumaru Munetoshi, Sokol Justyna M., Grzedzielski Stan, Fujiki Ken'ichi
ASTROPHYSICAL JOURNAL 836 巻 ( 1 ) 2017年2月
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Magnetohydrodynamic simulation of coronal mass ejections using interplanetary scintillation data observed from radio sites ISEE and LOFAR 査読有り 国際共著
Iwai, Kazumasa ; Fallows, Richard A. ; Bisi, Mario M. ; Shiota, Daikou ; Jackson, Bernard V. ; Tokumaru, Munetoshi ; Fujiki, Ken'ichi
Advances in Space Research 72 巻 ( 12 ) 2023年12月
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Interplanetary scintillation (IPS) analyses during LOFAR campaign mode periods that include the first three Parker Solar Probe close passes of the Sun 査読有り
Jackson, B. V. ; Tokumaru, M. ; Fallows, R. A. ; Bisi, M. M. ; Fujiki, K. ; Chashei, I. ; Tyul'bashev, S. ; Chang, O. ; Barnes, D. ; Buffington, A. ; Cota, L. ; Bracamontes, M.
Advances in Space Research 72 巻 ( 12 ) 2023年12月
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East-West Asymmetry in Interplanetary-Scintillation-Level Variation Associated with Solar-Wind Disturbances 招待有り 査読有り
Tokumaru, Munetoshi ; Nagai, Miho ; Fujiki, Ken'ichi ; Iwai, Kazumasa
Solar Physics 298 巻 ( 11 ) 2023年11月
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The Origin of Extremely Nonradial Solar Wind Outflows 招待有り 査読有り 国際共著
Rout, Diptiranjan ; Janardhan, P. ; Fujiki, K. ; Chakrabarty, D. ; S. K., Bisoi
The Astrophysical Journal 950 巻 ( 1 ) 2023年6月
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Forecasting Heliospheric CME Solar-Wind Parameters Using the UCSD Time-Dependent Tomography and ISEE Interplanetary Scintillation Data: The 10 March 2022 CME 招待有り 査読有り 国際共著
Jackson, Bernard V. ; Tokumaru, Munetoshi ; Iwai, Kazumasa ; Bracamontes, Matthew T. ; Buffington, Andrew ; Fujiki, Ken'ichi ; Murakami, Go ; Heyner, Daniel ; Sanchez-Cano, Beatriz ; Rojo, Mathias ; Aizawa, Sae ; Andre, Nicolas ; Barthe, Alain ; Penou, Emmanuel ; Fedorov, Andrei ; Sauvaud, Jean-Andre ; Yokota, Shoichiro ; Saito, Yoshifumi
Solar Physics 298 巻 ( 5 ) 2023年5月
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Interplanetary Scintillation Observations of Solar-Wind Disturbances During Cycles 23 and 24 招待有り 査読有り
Tokumaru, Munetoshi; Fujiki, Ken'ichi; Iwai, Kazumasa
Solar Physics 298 巻 ( 2 ) 2023年2月
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Validation of coronal mass ejection arrival-time forecasts by magnetohydrodynamic simulations based on interplanetary scintillation observations 査読有り
Iwai Kazumasa, Shiota Daikou, Tokumaru Munetoshi, Fujiki Ken'ichi, Den Mitsue, Kubo Yuki
EARTH PLANETS AND SPACE 73 巻 ( 1 ) 2021年1月
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A Daily Determination of B-Z Using the Russell-McPherron Effect to Forecast Geomagnetic Activity 査読有り
Jackson B. V, Yu H-S, Buffington A., Hicks P. P., Tokumaru M., Fujiki K., Kim J., Yun J.
SPACE WEATHER-THE INTERNATIONAL JOURNAL OF RESEARCH AND APPLICATIONS 17 巻 ( 4 ) 頁: 639 - 652 2019年4月
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Comparative Study of Microwave Polar Brightening, Coronal Holes, and SolarWind over the Solar Poles 査読有り
Ken'ichi Fujiki, Kiyoto Shibasaki, Seiji Yashiro, Munetoshi Tokumaru, Kazumasa Iwai, Satoshi Masuda
Solar Physics 2019年3月
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Comparative Study of Microwave Polar Brightening, Coronal Holes, and Solar Wind over the Solar Poles 査読有り
Fujiki Ken'ichi, Shibasaki Kiyoto, Yashiro Seiji, Tokumaru Munetoshi, Iwai Kazumasa, Masuda Satoshi
SOLAR PHYSICS 294 巻 ( 3 ) 2019年3月
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Solar cycle 24: An unusual polar field reversal 査読有り
Janardhan, P, Fujiki, K, Ingale, M, Bisoi, S.~K, Rout, D
Astronomy and Astrophysics 618 巻 2018年8月
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Rarefaction of the Very Slow (< 350 km/s) Solar Wind in Cycle 24 Compared With Cycle 23
Tokumaru Munetoshi, Shimoyama Tomoya, Fujiki Ken'ichi, Hakamada Kazuyuki
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 123 巻 ( 4 ) 頁: 2520 - 2534 2018年4月
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Relation Between Coronal Hole Areas and Solar Wind Speeds Derived from Interplanetary Scintillation Measurements
Tokumaru Munetoshi, Satonaka Daiki, Fujiki Ken'ichi, Hayashi Keiji, Hakamada Kazuyuki
SOLAR PHYSICS 292 巻 ( 3 ) 2017年3月
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LONG-TERM TREND OF SOLAR CORONAL HOLE DISTRIBUTION FROM 1975 TO 2014 査読有り
K. Fujiki, M. Tokumaru, K. Hayashi, D. Satonaka, K. Hakamada
Astrophysical Journal Letter 827 巻 頁: 41-45 2016年8月
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A Prolonged Southward IMF-Bz Event of May 02-04, 1998: Solar, Interplanetary Causes and Geomagnetic Consequences 査読有り
Bisoi, Susanta Kumar, Chakrabarty, D., Janardhan, P., Rastogi, R. G., Yoshikawa, A., Fujiki, K., Tokumaru, M., Yan, Y.
Journal of Geophisical Research (space) 頁: in press 2016年