Watanabe Sei-ichiro

Affiliation and department：
Job title： Professor
Homepage URL (1)： http://epp.eps.nagoya-u.ac.jp/~seicoro

Research field (1)： Space and planetary science

Research keywords (7)：惑星探査 , 初期地球進化 , early evolution of the Earth , computer simulation , protoplanetary disks , solar system formation , planetary science

Research theme for competitive and other funds (16)：

2019 - 2022 Formation and topographic relaxation of spinning top-shaped asteroids
2017 - 2022 Solar System Exploration for Aqua-planetology
2011 - 2016 Formation theory of habitable terrestrial planets
2011 - 2014 Fundamental Studies on the Philosophy of Earth and Planetary Science
2009 - 2011 Dust dynamics in non-axisymmetric protoplanetary disks

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Papers (209)：

C. Pilorget, D. Baklouti, J.-P. Bibring, R. Brunetto, M. Ito, I. Franchi, N. Tomioka, M. Uesugi, A. Yamaguchi, R. Greenwood, et al. Phosphorus-rich grains in Ryugu samples with major biochemical potential. Nature Astronomy. 2024
Bradley De Gregorio, George D. Cody, Rhonda M. Stroud, A. L. David Kilcoyne, Scott Sandford, Corentin Le Guillou, Larry R. Nittler, Jens Barosch, Hikaru Yabuta, Zita Martins, et al. Variations of organic functional chemistry in carbonaceous matter from the asteroid 162173 Ryugu. Nature Communications. 2024. 15. 1
Sei-ichiro Watanabe, Shota Kikuchi. Asteroid Ryugu and the Hayabusa2 Mission. Oxford Research Encyclopedia of Planetary Science. 2024
Hiroharu Yui, Shu-hei Urashima, Morihiko Onose, Mayu Morita, Shintaro Komatani, Izumi Nakai, Yoshinari Abe, Yasuko Terada, Hisashi Homma, Kazuko Motomura, et al. Pyrrhotites in asteroid 162173 Ryugu: Records of the initial changes on their surfaces with aqueous alteration. Geochimica et Cosmochimica Acta. 2024. 379. 172-183
Yoshinori Takano, Hiroshi Naraoka, Jason P. Dworkin, Toshiki Koga, Kazunori Sasaki, Hajime Sato, Yasuhiro Oba, Nanako O. Ogawa, Toshihiro Yoshimura, Kenji Hamase, et al. Primordial aqueous alteration recorded in water-soluble organic molecules from the carbonaceous asteroid (162173) Ryugu. Nature Communications. 2024. 15. 1

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MISC (151)：

癸生川陽子, DARTOIS E., QUIRICO E., BONAL L., ENGRAND C., DUPRAT J., MATHURIN J., DAZZI A., DENISET-BESSEAU A., 薮田ひかる, et al. Organic matter in Ryugu vs. carbonaceous chondrites: IR spectroscopic perspectives. 日本地球化学会年会要旨集(Web). 2022. 69th
永島一秀, 川崎教行, 坂本直哉, 中村智樹, 野口高明, 岡崎隆司, 薮田ひかる, 奈良岡浩, 坂本佳奈子, 渡邊誠一郎, et al. In-situ oxygen and manganese-chromium isotope studies of Ryugu: Implications to temperature and timing of aqueous activity. 日本地球化学会年会要旨集(Web). 2022. 69th
猪裕太, 猪裕太, 田中智, 田中智, 小野寺圭祐, 小野寺圭祐, 川村太一, 嶌生有理, 中嶋大輔, 岩田隆浩, et al. Development of elastic wave velocity measurement technology for Hayabusa2 return sample. 日本地球惑星科学連合大会予稿集(Web). 2022. 2022
松本徹, 野口高明, 野口高明, 三宅亮, 伊神洋平, 治田充貴, 斉藤光, 波多聰, 瀬戸雄介, 宮原正明, et al. Deposited materials on space weathered anhydrous minerals from asteroid Ryugu. 日本鉱物科学会年会講演要旨(Web). 2022. 2022
三河内岳, 吉田英人, 中村智樹, ZOLENSKY Michael E., 中嶋大輔, 萩谷健治, 菊入瑞葉, 森田朋代, 天野香菜, 加川瑛一, et al. Petrology and mineralogy of olivine in asteroidal Ryugu samples. 日本鉱物科学会年会講演要旨(Web). 2022. 2022

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Books (5)：

Clinical Environmental Studies
Nagoya University Press 2014 ISBN:9784815807818
*新しい地球学-太陽-地球-生命圏相互作用系の変動学-
名古屋大学出版会 2008
*シリーズ現代の天文学第9巻「太陽系と惑星」6.1節,6.3節
日本評論社 2008
比較惑星学,第3章
岩波書店 1997
惑星の科学,第5章
朝倉書店 1993

Lectures and oral presentations (36)：

Paucity of boulders in shallow craters on asteroid 162173 Ryugu
(51th Lunar and Planetary Science Conference 2020)
Overview of the proximity operation at asteroid Ryugu by the Hayabusa2 spacecraft
(American Geophysical Union 2019 Fall Meeting 2019)
An overview of Hayabusa2 mission and asteroid 162173 Ryugu
(Asteroid Science in the Age of Hayabusa20 and OSIRIS-Rex 2019)
The shape and origin of the rubble-pile asteroid Ryugu
(Japan Geoscience Union Meeting 2019 2019)
High Porosity Nature of the Top-Shape C-Type Asteroid 162173 Ryugu as Observed by Hayabusa2
(50th Lunar and Planetary Science COnference 2019)

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Education (2)：

- 1990 The University of Tokyo Graduate School, Division of Science Geophysics
- 1988 The University of Tokyo Graduate School, Division of Science Geophysics

Professional career (1)：

Doctor of Science (The University of Tokyo)

Work history (5)：

2008/04/01 - 現在 Nagoya University Graduate School of Environmental Studies Department of Earth and Environmental Sciences Professor
2007/04/01 - 2008/03/31 Nagoya University Graduate School of Environmental Studies Department of Earth and Environmental Sciences Associate professor
2001/04 - 2007/03 Nagoya University Graduate School of Environmental Studies Department of Earth and Environmental Sciences Associate Professor
1996/04 - 2001/03 Nagoya University
1993/02 - 1996/03 Nagoya University School of Science Department of Earth and Planetary Science Assistant Professor

Association Membership(s) (3)：

Japan Geoscience Union , The japanese Society for Planetary Sciences , The Astronomical Society of Japan

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