Misawa Hiroaki

ミサワヒロアキ | Misawa Hiroaki

Affiliation and department：
Job title： Associate Professor
Homepage URL (2)： http://pparc.gp.tohoku.ac.jp/ , http://pparc.gp.tohoku.ac.jp/?lang=en

Research field (1)： Space and planetary science

Research keywords (3)： physics of upper atmosphere , physics of planetary magnetosphere , Physics of solar radio emissions

Research theme for competitive and other funds (27)：

2011 - 現在太陽高エネルギー粒子加速過程の研究
1997 - 現在 Studies on Planetary Plasma and Atmosphere
1994 - 現在 Studies on Planetary Radiation Belt
1985 - 現在 Studies on Planetay Nonthermal Radiation
2022 - 2026 中性子星の磁気圏物理から迫る Repeating FRB の解明

2018 - 2022 中性子星種族の多様性とそれを作り出す中性子星磁気圏の多様性・変動性の起源の解明

2016 - 2019 Study of extremely short term variations of Jupiter's radiation belt

2015 - 2019 Study of turbulent plasma structure of the Crab pulsar by detailed radio pulse observations

2014 - 2017 Understanding of Jovian atmosphere-ionosphere-magnetosphere coupling process based on optical and radio telescopes from ground and space

2012 - 2016 Radio wave propagation and diffraction in relativistic pulsar winds

2012 - 2015 Magnetic reconnection at Jupiter as observed from Hawaiian high-altitude facilities at solar maximum

2008 - 2010 Investigations of origin of Mercury's exospheric atmosphere based on the optical observations with high spatial resolution at optimum observation sites

2008 - 2010 Searching for an evidence of magnetic reconnection in Jupiter's Magnetosphere from the high-altitude observatory in Hawaii

2007 - 2009 Study of Jupiter's Radio Source by Using e-VLBI Global Network toward the Moon-Earth Baseline Jupiter Radio VLBI

2006 - 2008 A study of global dynamics of Jupiter's magnetosphere based on continuous optical observations of the Iogenic plasma

2005 - 2007 Studies on acceleration processes of Iogenic gas and plasma based on stational observations at a suitable site for optical observations

2003 - 2005 地球にダストプラズマリング?-可能性とその実証観測-

2003 - 2005 Studies on production processes of exospheric atmospheres of Mercury and Io based on development of a spectro-imager

2002 - 2004 STUDY ON IONIZATION PROCESS OF VOLCANIC GAS ORIGINATED FROM JOVIAN SATELLITE IO BASSED ON OPTICAL OBSERVATION AT HALEAKALA

2001 - 2002 Studies of release and loss processes of Mercury's atmosphere investigated with ground based optical observations

2000 - 2001 Acceleration and dynamics of energetic particles in the Jovian magnetosphere

1999 - 2000 Serial optical observation of Jovian plasma processes at the summit of Mauna Kea in Hawaii

1999 - 2000 Studies on dynamical processes among Mercury's atmosphere, magnetosphere and the solar wind based on 2D imaging observations for Mercury's atmospheric emissions

1997 - 1999 Study on Jupiter's inner magnetosphere by the observation of Jovian synchrotron radiation

1996 - 1997 Studies on the Distribution of Sources of Jovian Magnetospheric Plasma Originated from Io Based on Optical Observations

1995 - 1997 Study on the three dimensional solar wind structure using computer assisted tomography analysis

1992 - 1994 Study of solar wind acceleration mechanisms with coordinated interplanetary scintillation observations at different frequencies.

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Papers (225)：

Rikuto Yasuda, Tomoki Kimura, Baptiste Cecconi, Hiroaki Misawa, Fuminori Tsuchiya, Yasumasa Kasaba, Shinnosuke Satoh, Shotaro Sakai, Corentin Louis. Ray tracing for Jupiter’s icy moon ionospheric occultation of Jovian auroral radio sources. 2024
Asuka Hirai, Fuminori Tsuchiya, Takahiro Obara, Yuto Katoh, Yoshizumi Miyoshi, Kazuo Shiokawa, Yasumasa Kasaba, Hiroaki Misawa, Chae Woo Jun, Satoshi Kurita, et al. Spatio-Temporal Characteristics of IPDP-Type EMIC Waves on April 19, 2017: Implications for Loss of Relativistic Electrons in the Outer Belt. Journal of Geophysical Research: Space Physics. 2023. 128. 8
H. Misawa, A. Kumamoto, R. Yasuda. Causalities of occurrence features of Io-related Jupiter's radio emission. Proc. Symp. Planet. Sci. 2023. 2023. 24
H. Misawa, A. Kumamoto, R. Yasuda. Reconsideration for causalities of occurrence features of Io-related Jupiter's radio emission. Proc. Symp. Planet. Sci. 2022. 2022
Sujin Eie, Toshio Terasawa, Takuya Akahori, Tomoaki Oyama, Tomoya Hirota, Yoshinori Yonekura, Teruaki Enoto, Mamoru Sekido, Kazuhiro Takefuji, Hiroaki Misawa, et al. Multi-frequency radio observations of the radio-loud magnetar XTE J1810-197. Publications of the Astronomical Society of Japan. 2021. 73. 6. 1563-1574

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MISC (72)：

小林秀行, 赤堀卓也, 河野裕介, 小山友明, 三澤浩昭, 土屋史紀, 岳藤一宏, 高橋慶太郎. SKA1LOWに向けたVLBI観測計画. 日本天文学会年会講演予稿集. 2021. 2021
寺澤敏夫, 寺澤敏夫, 榎戸輝揚, 木坂将大, HU Chin-Ping, HU Chin-Ping, 村田泰宏, 竹内央, 岳藤一宏, 岳藤一宏, et al. かにパルサーの巨大電波パルス:X線との相関解析のためのデータベース概要. 日本天文学会年会講演予稿集. 2021. 2021
榎戸輝揚, 寺澤敏夫, 寺澤敏夫, 木坂将大, HU Chin-Ping, HU Chin-Ping, 村田泰宏, 竹内央, 岳藤一宏, 岳藤一宏, et al. かにパルサーの巨大電波パルスに伴うX線超過の発見. 日本天文学会年会講演予稿集. 2021. 2021
木坂将大, 榎戸輝揚, 寺澤敏夫, 寺澤敏夫, HU Chin-Ping, HU Chin-Ping, 村田泰宏, 竹内央, 岳藤一宏, 岳藤一宏, et al. かにパルサーの巨大電波パルスに伴うX線超過の理論モデル. 日本天文学会年会講演予稿集. 2021. 2021
木坂将大, 榎戸輝揚, 寺澤敏夫, 徳丸宗利, 俵海人, 岳藤一宏, 関戸衛, 三澤浩昭, 土屋史紀, 村田泰宏, et al. 2017.11.7 Crab pulsar large glitch観測速報(2):波形変化の有無検証. 日本天文学会年会講演予稿集. 2018. 2018. 245

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Books (2)：

Polarization of Jovian Decametric Radiation
1997
Dependence of Velocity Fluctuations on Solar Wind Speeds from an IPS analysis method
1996

Lectures and oral presentations (267)：

惑星科学「低周波数高感度観測による惑星科学研究:SKAへの期待」
(SKA Japanワークショップ2022 2023)
東北大太陽電波望遠鏡の運用状況
(太陽研連シンポジウム2022 2023)
東北大機関報告:低周波電波観測の現況
(VLBI懇談会シンポジウム2022 2022)
Localized hot electron inflow on the dusk side during transient brightening in Io plasma torus observed by Hisaki/EXCEED
(The 152 th SGEPSS General Assembly 2022)
Numerical radar simulation for the explorations of the ionospheres of Jupiter's icy moons
(The 152 th SGEPSS General Assembly 2022)

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Education (2)：

- 1989 Tohoku University Graduate School, Division of Natural Science 地球物理学
- 1985 Tohoku University Faculty of Science 天文及び地球物理学科第二

Professional career (2)：

Master of Science (Tohoku University)
博士(理学) (Tohoku University)

Work history (4)：

2007/04 - 現在 Tohoku University Graduate School of Science Associate professor
1998/04 - 2007/03 Tohoku University, Assistant Professor
1995/06 - 1998/03 Tohoku University, Research Assistant
1989/09 - 1995/05 Nagoya University, Research Assistant

Committee career (18)：

2022/09 - 現在 VLBI科学諮問委員会委員
2019/11 - 現在 VLBI懇談会機関幹事
2019/06 - 現在国立天文台電波天文周波数委員会台外委員
2023/05 - 2023/05 日本地球惑星科学連合学生優秀発表賞審査員
2022/05 - 2022/06 日本地球惑星科学連合学生優秀発表賞審査員

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Awards (1)：

2018/07 - 日本学術振興会特別研究員等審査会専門委員(書面担当)表彰

Association Membership(s) (3)：

米国地球物理学会 , 日本天文学会 , 地球電磁気・地球惑星圏学会

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