Japan Geoscience Union Meeting 2018

Session information

[JJ] Evening Poster

P (Space and Planetary Sciences) » P-AE Astronomy & Extrasolar Bodies

[P-AE20] Exoplanet

Thu. May 24, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

convener:Masahiro Ikoma(Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo), Norio Narita(University of Tokyo)

Exoplanetary science, which began with the discovery of a hot Jupiter in 1995, has reached a major turning point by the discovery of countless super-Earths by the Kepler mission. More recently, planets that are similar in size to the Earth and also receive similar amounts of stellar radiation (namely, located in the so-called habitable zone) have been discovered around nearby stars such as Proxima Centauri and TRAPPIST-1. As a result, not only theoretical, but also observational studies on the atmospheres and surface environments of Earth-like exoplanets have been started. Moreover, the number of planets discovered around early-type and late-type stars has become large enough that the occurrence rate and orbital distribution of planets around a wide variety of host stars have become clear. Thus, new observational insights, which become the basis of pan-planet formation theory, are now gathering. While exoplanets have been mainly targeted for astronomy until recently, it can be said that earth planetary science is finally becoming a research field to make a central contribution. In this session, we aim to share cutting-edge research results in exoplanetary science which is in such a transition period.

*Mayuko Mori1, Norio Narita1, Akihiko Fukui2, Motohide Tamura1,4, Nobuhiko Kusakabe4, Teruyuki Hirano5, John Livingston1, Jerome de Leon1, Taichi Uyama1, Noriharu Watanabe3, Yuka Terada1 (1.The University of Tokyo, 2.National Astronomical Observatory of Japan, NINS, 3.Graduate University for Advanced Studies (SOKENDAI), 4.Astrobiology Center, NINS, 5.Tokyo Institute of Technology)




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