[P-CG18] Planetary Magnetosphere, Ionosphere, and Atmosphere

Thu. Jun 3, 2021 9:00 AM - 10:30 AM Ch.04 (Zoom Room 04)

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

Exploration of Mercury, Venus, Moon, Mars, 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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9:00 AM - 9:15 AM

[PCG18-01] Current status, initial results, and upcoming observation plans during cruise of BepiColombo

*Go Murakami¹, Johannes Benkhoff² (1.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 2.European Space Agency)

9:15 AM - 9:30 AM

[PCG18-02] Revisiting Mariner-10 and MESSENGER observations: Anticipation for BepiColombo’s Mercury flybys

*Sae Aizawa^1,2, Nicolas André¹, Ronan Modolo³, James A. Slavin⁴, Scott A. Boardsen⁵ (1.Institute de Recherche en Astrophysique et Planetologie, 2.Graduate School of Science, Tohoku University, 3.LATMOS, 4.University of Michigan, 5.NASA/GSFC)

9:30 AM - 9:45 AM

[PCG18-03] A belt-like distribution of gaseous hydrogen cyanide on Neptune's equatorial stratosphere detected by ALMA

*Takahiro IINO¹, Hideo Sagawa², Takashi Tsukagoshi³, Satonori Nozawa⁴ (1.Information Technology Center, the University of Tokyo, 2.Department of Science, Kyoto Sangyo University, 3.NAOJ, 4.ISEE, Nagoya University)

9:45 AM - 10:00 AM

[PCG18-04] Estimation of the drift rate and intensity of Neptune’s storm in 2018-2020 with Pirka Telescope

*Yuuki Sato¹, Yukihiro Takahashi¹, Mitsuteru Sato¹, Seiko Takagi¹, Masataka Imai², Tatsuharu Ono¹ (1.Graduate School of Science, Hokkaido University, 2.National Institute of Advanced Industrial Science and Technology)

10:00 AM - 10:15 AM

[PCG18-05] Ion escape mechanism from a Mars-like planet under weak intrinsic magnetic field conditions: Dependence of IMF clock angle

*Shotaro Sakai^1,2, Kanako Seki³, Naoki Terada¹, Hiroyuki Shinagawa⁴, Ryoya Sakata³, Takashi Tanaka^4,5, Yusuke Ebihara⁶ (1.Department of Geophysics, Graduate School of Science, Tohoku University, 2.Planetary Plasma and Atmospheric Research Center, Graduate School of Science, Tohoku University, 3.Department of Earth and Planetary Science, Graduate School of Science, University of Tokyo, 4.National Institute of Information and Communications Technology, 5.International Center for Space Weather Science and Education, Kyushu University, 6.Research Institute for Sustainable Humanosphere, Kyoto University)

10:15 AM - 10:30 AM

[PCG18-06] Dependences of ion escape from Mars on the intrinsic magnetic field strength under CME-like solar conditions at 3.5 Ga

*Ryoya Sakata¹, Kanako Seki¹, Shotaro Sakai², Naoki Terada², Hiroyuki Shinagawa³, Takashi Tanaka^3,4 (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)

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