5:15 PM - 6:45 PM
*Tatsuharu Ono1, Yukihiro Takahashi1, Mitsuteru Sato2, Seiko Takagi2, Masataka Imai3 (1.Department of Cosmosciences, Graduate School of Science, Hokkaido University, 2.Department of Cosmoscience, Hokkaido University, 3.The University of Tokyo)