[P-CG19] Planetary Magneto-Ionosphere &Atmosphere

Wed. May 28, 2025 1:45 PM - 3:15 PM 304 (International Conference Hall, Makuhari Messe)

convener:Hiromu Nakagawa(Planetary Atmosphere Physics Laboratory, Department of Geophysics, Graduate School of Science, Tohoku University), Kanako Seki(Graduate School of Science, University of Tokyo), Takeshi Imamura(Graduate School of Frontier Sciences, The University of Tokyo), Hiroyuki Maezawa(Department of Physics, Osaka Metropolitan University), Chairperson:Yuki Nakamura(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo), Hiromu Nakagawa(Planetary Atmosphere Physics Laboratory, Department of Geophysics, Graduate School of Science, Tohoku University)

Exploration of solar-system planets such as Moon, Venus, Mars, Mercury, Jupiter, Saturn, as well as observations of exoplanets coupled 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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1:45 PM - 2:00 PM

[PCG19-01] Current status of the LAPYUTA mission

*Fuminori Tsuchiya¹, Go Murakami², Atsushi Yamazaki², Shingo Kameda³, Masato Kagitani¹, Kazuo Yoshioka⁴, Ryoichi Koga⁵, Jun Kimura⁶, Tomoki Kimura⁷, Chihiro Tao⁸, Kei Masunaga⁹, Shotaro Sakai¹, Akifumi Nakayama³, Masahiro Ikoma¹⁰, Norio Narita⁴, Masami Ouchi^4,10, Masaomi Tanaka¹, Masaki Kuwabara³, Shin Toriumi², Yuta Notsu¹¹, Kosuke Namekata¹² (1.Tohoku Univ., 2.ISAS/JAXA, 3.Rikkyo Univ., 4.The Univ. Tokyo, 5.Nagoya City Univ., 6.Osaka Univ., 7.Tokyo Univ. Science, 8.NICT, 9.Yamagata Univ., 10.NAOJ, 11.Colorado Univ., 12.Kyoto Univ.)

2:00 PM - 2:15 PM

[PCG19-02] Martian ionospheric variations revealed through C I 156.1 nm emission induced by electron impact

*Shotaro Sakai^1,2, Justin Deighan³, David L. Mitchell⁴, Hiromu Nakagawa¹, Sonal K. Jain³, Kei Masunaga⁵, Fuminori Tsuchiya², Nicholas M. Schneider³, Mehdi Benna^6,7, Naoki Terada¹, Majd Mayyasi⁸, Christian Mazelle⁹, Robert J. Lillis⁴, Shannon M. Curry³, Kanako Seki¹⁰ (1.Department of Geophysics, Graduate School of Science, Tohoku University, 2.Planetary Plasma and Atmospheric Research Center, Graduate School of Science, Tohoku University, 3.Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, 4.Space Sciences Laboratory, University of California, Berkeley, 5.Institute of Arts and Sciences, Yamagata University, 6.Center for Space Sciences and Technology, University of Maryland, Baltimore County, 7.Solar System Exploration Division, NASA Goddard Space Flight Center, 8.Center for Space Physics, Boston University, 9.IRAP, CNRS, University of Toulouse, UPS-OMP, CNES, 10.Department of Earth and Planetary Science, Graduate School of Science, University of Tokyo)

2:15 PM - 2:30 PM

[PCG19-03] Effects of Hot Oxygen Corona on the Ion Escape from Venus-like Planets

*Tomoaki Nishioka¹, Kanako Seki¹, Ryoya Sakata², Naoki Terada², Shotaro Sakai², Hiroyuki Shinagawa³, Akifumi Nakayama⁴ (1.Graduate School of Science, University of Tokyo, 2.Graduate School of Science, Tohoku University, 3.International Research Center for Space and Planetary Environmental Science, Kyushu University, 4.College of Science, Rikkyo University)

2:30 PM - 2:45 PM

[PCG19-04] Carbon and nitrogen ion escape from Mars based on 11-species multifluid MHD simulation

*Ryoya Sakata¹, Kanako Seki², Naoki Terada¹, Shotaro Sakai^1,3, Hiroyuki Shinagawa^4,5 (1.Department of Geophysics, Graduate School of Science, Tohoku University, 2.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 3.Planetary Plasma and Atmospheric Research Center, Graduate School of Science, Tohoku University, 4.International Research Center for Space and Planetary Environmental Science, Kyushu University, 5.National Institute of Information and Communications Technology)

2:45 PM - 3:00 PM

[PCG19-05] Elucidating the rate-limiting process of atmospheric escape with D/H profile and time variation

*Hiroyuki Kurokawa¹, Hiromu Nakagawa², Naoki Terada², Yuki Nakamura¹, Shohei Aoki¹, Tomohiro Usui³ (1.The University of Tokyo, 2.Tohoku University, 3.Japan Aerospace Exploration Agency)

3:00 PM - 3:15 PM

[PCG19-06] Crustal magnetic field effects on the Martian ionosphere and ion escape: Ion species dependence based on MAVEN observations

*Kanako Seki¹, Takuya Hara², Dave A Brain³, Christopher M Fowler⁴, James P McFadden², Jasper S Halekas⁵, Gina A DiBraccio⁶ (1.Graduate School of Science, University of Tokyo, 2.Space Science Laboratory, University of California, Berkeley, USA, 3.LASP, University of Colorado Boulder, USA, 4.Department of Physics and Astronomy, West Virginia University, USA, 5.Department of Physics and Astronomy, University of Iowa, USA, 6.NASA Goddard Space Flight Center, USA)

Session information