*Kiyoe Kawauchi¹, Norio Narita^2,4, Teruyuki Hirano^3,4, Akihiko Fukui², Kai Ikuta², Takayuki Kotani^3,4, Motohide Tamura^2,4 (1.Ritsumeikan University, 2.The University of Tokyo, 3.National Astronomical Observatory of Japan, 4.Astrobiology Center)