Rchr
J-GLOBAL ID:200901025746497742   Update date: Dec. 18, 2024

Arakawa Masahiko

アラカワ マサヒコ | Arakawa Masahiko
Affiliation and department:
Job title: Professor
Homepage URL  (1): http://epsl-kobe.sakura.ne.jp/
Research field  (2): Space and planetary science ,  Solid earth science
Research keywords  (12): Rheology ,  Space glaciology ,  Planetary formation process ,  Impact process ,  Icy satellites ,  Planetary sciences ,  レオロジー ,  宇宙雪氷 ,  惑星形成過程 ,  衝突過程 ,  氷衛星 ,  惑星科学
Research theme for competitive and other funds  (45):
  • 2022 - 2026 Origin of an extra-large metallic core of Mercury and M-type asteroids inferred from differentiation process between iron and rock at the region of terrestrial planets
  • 2019 - 2022 Study of collisional disruption by using the ultra-high speed X-ray tomography and implication for the diversity of asteroid families
  • 2017 - 2022 Solar System Exploration for Aqua-planetology
  • 2016 - 2019 Crater scaling law of water ice in the gravity regime: Implications for impact history of Pluto
  • 2016 - 2019 In-situ observation of catastrophic disruption of asteroid analogues using flash X-ray photography and its implication for the collisional evolution of size frequency distribution of asteroids
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Papers (205):
  • Seiji Sugita, Rie Honda, Tomokatsu Morota, Shingo Kameda, Eri Tatsumi, Shogo Tachibana, Kohei Kitazato, Tatsuaki Okada, Noriyuki Namiki, Masahiko Arakawa, et al. Mission Status of Hayabusa2, Science Highlights, and Outlook for Sample Analyses. 2024
  • Stefania Soldini, Takanao Saiki, Hitoshi Ikeda, Koji Wada, Masahiko Arakawa, Yuichi Tsuda. The effect of "MASCONS" Sphere Packing onto the Dynamical Environment around Rubble-Pile Asteroids: Application to Ryugu. 2024
  • Yun Zhang, Martin Jutzi, Patrick Michel, Sabina Raducan, Masahiko Arakawa. Effect of material strength and heterogeneity on small asteroid cratering events. Proceedings of European Planetary Science Congress 2021. 2024. 15. EPSC2021-704
  • Shota Kikuchi, Kei Shirai, Ko Ishibashi, Koji Wada, Yasuhiro Yokota, Rie Honda, Toshihiko Kadono, Yuri Shimaki, Naoya Sakatani, Kazunori Ogawa, et al. Simultaneous geometric calibration and orbit-attitude determination of Hayabusa2’s deployable camera (DCAM3). Advances in Space Research. 2024
  • Masato Nakamura, Minami Yasui, Masahiko Arakawa. High-velocity oblique impact experiments on ice and snow spheres: Implications for the collisional evolution of icy planetesimals at different thermal evolution stages. Icarus. 2024. 413
more...
MISC (240):
  • SASAI, Haruka, YASUI, Minami, ARAKAWA, Masahiko, ISHIDA, Sana, TOYOSHIMA, Haruna, ISHII, Shunki, SHIRAI, Kei, HASEGAWA, Sunao. Temperature measurement at the bottom of craters on porous ice formed by high-speed oblique impact. Proceedings of 2024 Symposium on Laboratory Experiment for Space Science. 2024
  • 保井, みなみ, 笹井, 遥, 石田, 紗那, 豊嶋, 遥名, 石井, 竣基, ⻑谷川, 直, 荒川, 政彦, YASUI, Minami, SASAI, HarukaI, SHIDA, Sana, et al. 小惑星模擬物質の高速度衝突実験:衝突残留温度分布の物質強度依存性-High-Velocity Impact Experiments on Porous Gypsum-Sand Mixtures Simulating Asteroids: Effect of Material Strength on Post-Shock Temperature Distribution. 令和4 年度宇宙科学に関する室内実験シンポジウム講演集 = Proceedings of 2023 Symposium on Laboratory Experiment for Space Science. 2023
  • 江口裕樹, 保井みなみ, 荒川政彦, 笹井遥, 石井竣基. Experimental study on cratering processes of porous icy satellites experienced densification. 日本地球惑星科学連合大会予稿集(Web). 2023. 2023
  • 豊嶋遥名, 荒川政彦, 保井みなみ, 笹井遥, 長谷川直. Impact cratering on wet sand: Effect of water content and implications for crater formation on habitable bodies. 日本地球惑星科学連合大会予稿集(Web). 2023. 2023
  • 柿木玲亜, 荒川政彦, 保井みなみ, 長谷川直, 山本裕也. レゴリスに覆われた基盤岩標的へのクレーター形成実験:クレーター形態と衝突励起振動の計測. 日本惑星科学会秋季講演会予稿集(Web). 2023. 2023
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Lectures and oral presentations  (463):
  • Intrinsic spectral variation among C-type bright boulders on Ryugu revealed from observations of the artificial crater
    (55th Lunar and Planetary Science Conference 2024 2024)
  • Re-accretion process after the catastrophic disruption event on a differentiated asteroid
    (55th Lunar and Planetary Science Conference 2024 2024)
  • High-velocity oblique impact may form a hot spring on a crater floor of icy bodies
    (55th Lunar and Planetary Science Conference 2024 2024)
  • 高速斜め衝突による多孔質氷上のクレーター底部の温度計測
    (令和5年度宇宙科学に関する室内実験シンポジウム 2024)
  • レゴリス層に覆われた基盤岩標的へのクレーター形成実験:クレーター形態と衝突励起振動への基盤岩の影響
    (令和5年度宇宙科学に関する室内実験シンポジウム 2024)
more...
Works (5):
  • 超高速レーザー銃実験 で解明する惑星間衝突 の物理化学過程
    2009 - 2011
  • 熱進化する微惑星の衝突破壊と小惑星・氷衛星の多様性の起源
    2008 - 2010
  • 彗星表面における衝突クレーター形成過程と彗星の熱史
    2005 - 2007
  • Crater formation process on the comet surface and the implication to the thermal history of the comet
    2005 - 2007
  • 彗星の衝撃変成による含水鉱物の形成
    2004 - 2005
Education (2):
  • - 1989 Nagoya University Graduate School, Division of Natural Science Department of Earth Sciences
  • - 1989 Nagoya University
Professional career (1):
  • Ph.D (Nagoya University)
Work history (6):
  • 2010/10 - 現在 Kobe University Graduate School of Science, Division of Planetology
  • 2005/04 - 2010/09 Nagoya University Graduate School of Environmental Studies, Department of Earth and Environmental Sciences, Graduate School of Environmental Studies Earth and Enviromental Sciences Associate Professor
  • 1989 - 2005 Hokkaido University Institute of Low Temperature Science
  • 2005 - - 名古屋大学大学院環境学研究科助教授
  • 2001 - ダートマス大学客員教授
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Committee career (8):
  • 2021/01 - 現在 日本惑星科学会 将来計画専門委員長
  • 2020/04 - 現在 日本地球惑星科学連合 代議員
  • 2019/01 - 2020/12 日本惑星科学会 将来計画専門委員長
  • 2017/01 - 2018/12 日本惑星科学会 会長
  • 2015/01 - 2016/12 日本惑星学会 副会長
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Awards (3):
  • 2020 - 神戸大学 学長表彰 「はやぶさ 2」による宇宙衝突実験
  • 2017 - 日本学術振興会 平成28年度特別研究員等審査会専門委員表彰 書面審査で有意義な審査意見を付した任期2年目の専門委員
  • 2000 - 日本雪氷学会 2000年度日本雪氷学会平田賞受賞 宇宙における雪氷の実験的研究
Association Membership(s) (5):
International Astronomical Union ,  Division of Planetary Science, Americam Astronomical Society ,  日本雪氷学会 ,  アメリカ地球物理学連合 ,  日本惑星科学会
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