Japan Geoscience Union Meeting 2018

Session information

[JJ] Evening Poster

P (Space and Planetary Sciences) » P-CG Complex & General

[P-CG22] New Developments of Planetary Sciences with ALMA

Wed. May 23, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

convener:Takayuki Muto(Division of Liberal Arts, Kogakuin University), Munetake Momose(The College of Science, Ibaraki University), Hideo Sagawa(京都産業大学理学部, 共同), Masumi Shimojo(National Astronomical Observatory of Japan)

The Atacama Large Millimeter/Submillimeter Array (ALMA) starated its science operation in 2011, and long-baseline observations have become available since 2014. ALMA, with its high sensitivity and resolution, has provided us with qualitatively new information on star and planet formation and small bodies in our Solar System. For example, the discovery of narrow gap structures in the protoplanetary disks around young stars HL Tan and TW Hya enabled us to actually compare the long-standing theoretical models of planet formation with real observations. In our solar system, 60km pixel-scale non-uniform brightness distribution and the rotation of the asteroid Juno are detected. Spatially-resolved thermal mapping of Europa icy surface enables us to search for thermal anomaly in possible plume source regions. As of Cycle 4, Solar observations are available, enabling us, for example, to determine the physical parameters of plasmoid quantitatively. In this session, we overview the latest results of ALMA observations in the field of planetary sciences. We also accept any theoretical and experimental works that are closely related to the observations and discuss the impact on the planetary science community.

*Ryosuke Aoki1, Kazuki Tokuda1,4, Hiroyuki Maezawa1, Makoto Taguchi2, Tetsuya Fukuhara2, Hideo Sagawa3, Kazuya Saigo4, Yeon Joo Lee5, Takao M. Sato5, Masato Nakamura5, Takeshi Imamura6 (1.Osaka Prefecture University, 2.Rikkyo University, 3.Kyoto Sangyo University, 4.National Astronomical Observatory, 5.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 6.The University of Tokyo)

*Takashi Tsukagoshi1, Munetake Momose1, Yoshimi Kitamura2, Ryohei Kawabe3,4,5, Masao Saito3, Sean Andrews6, David Wilner6, Tomoyuki Kudo3, Jun Hashimoto7, Nagayoshi Ohashi3, Motohide Tamura7,5 (1.Ibaraki University, 2.Japan Aerospace Exploration Agency, 3.National Astronomical Observatory Japan, 4.The Graduate University for Advanced Studies, 5.University of Tokyo, 6.Harvard-Smithsonian Center for Astrophysics, 7.Astrobiology Center)

*Seongjoong Kim1, Hideko Nomura1, Takashi Tsukagoshi2, Ryohei Kawabe3, Takayuki Muto4 (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technoloty, Tokyo 152-0027, Japan, 2.College of Science, Ibaraki University, Bunkyo 2-1-1, Mito, Ibaraki 310-8512, Japan, 3.National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan, 4.Division of Liberal Arts, Kogakuin University, 1-24-2 Nishi-Shinjuku, Shinjuku-ku, Tokyo 163-8677, Japan)




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