[P-CG25] Planetary Magnetosphere, Ionosphere, and Atmosphere

convener:Kanako Seki(Graduate School of Science, University of Tokyo), Takeshi Imamura(Graduate School of Frontier Sciences, The University of Tokyo), Hiroyuki Maezawa(Department of Physical Science Osaka Prefecture University), Naoki Terada(Graduate School of Science, Tohoku University)

Exploration of Moon, Venus, Mars, Mercury, Jupiter, Saturn, and beyond together with rapid developments of numerical simulations provides us new view of planetary environment. This session collects general contributions of new findings about planetary magnetosphere, ionosphere, and atmosphere. New methodology and technology development studies for future explorations are also welcome. In order to put the common knowledge at different planets into perspective, this session aims to facilitate discussions on comparative planetary environments.

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[PCG25-01] Seasonal variation of Mercury's exosphere deduced from the analysis MESSENGER data

*Yudai Suzuki¹, Kazuo Yoshioka¹, Go Murakami², Ichiro Yoshikawa¹ (1.University of Tokyo, 2.ISAS/JAXA)

Cancelled

[PCG25-02] DSMC simulations of slow hydrodynamic escape from Mars-like planets

Kaori Terada¹, *Naoki Terada¹, Hitoshi Fujiwara², Masahiro Ikoma³ (1.Graduate School of Science, Tohoku University, 2.Faculty of Science and Technology, Seikei University, 3.Department of Earth and Planetary Science, The University of Tokyo)

[PCG25-03] Study of ion loss mechanisms from ancient Mars with a focus on effects of the global intrinsic magnetic field

*Ryoya Sakata¹, Kanako Seki¹, Shotaro Sakai¹, Naoki Terada², Hiroyuki Shinagawa³, Takashi Tanaka⁴ (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 2.Department of Geophysics, Graduate School of Science, Tohoku University, 3.National Institute of Information and Communications Technology, 4.International Center for Space Weather Science and Education, Kyushu University)

[PCG25-04] Sensitivity of the difference of cumulus convection schemes to the precipitation distributions simulated in a Paleo Mars GCM

*Takeshi Kuroda¹, Katsushige Toriumi¹, Arihiro Kamada¹, Naoki Terada¹, Yasumasa Kasaba^1,2, Isao Murata^1,3, Hiromu Nakagawa¹ (1.Department of Geophysics, Tohoku University, 2.Planetary Plasma and Atmospheric Research Center, Tohoku University, 3.Graduate School of Environmental Studies, Tohoku University)

[PCG25-05] Zonal wind acceleration in the Martian mesosphere during the global dust storm 2018 observed by IR heterodyne spectroscopy

*Akiho Miyamoto¹, Hiromu Nakagawa¹, Takeshi Kuroda¹, Kosuke Takami¹, Isao Murata¹, Nao Yoshida¹, Katsushige Toriumi¹, Shohei Aoki², Hideo Sagawa³, Nicholas McCord Schneider⁴, Sonal Jain⁴, Yasumasa Kasaba¹, Naoki Terada¹ (1.Major in Geophysics , Graduate School of Science in Tohoku University, 2.Royal Belgian Institute for Space Aeronomy (IASB-BIRA), 3.Kyoto Sangyo University, 4.Laboratory for Atmospheric and Space Physics, Boulder, CO)

[PCG25-06] Study of proton escape from Mars based on MAVEN observations

*Yuki Mori¹, Kanako Seki¹, Shotaro Sakai¹, Takuya Hara², David A Brain³, James P McFadden², Jasper S Halekas⁴, Gina A DiBraccio⁵, Frank G Eparvier³, Bruce M Jakosky³ (1.Department of Earth and Planetary Science, Graduate School of Science, University of Tokyo, Tokyo, Japan, 2.Space Sciences Laboratory, University of California, Berkeley, CA, USA, 3.Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, Boulder, CO, USA, 4.Department of Physics and Astronomy, University of Iowa, Iowa City, IA, USA, 5.NASA Goddard Space Flight Center, Greenbelt, MD, USA)