*Jooyeon Geem¹、Masateru Ishiguro¹、Yoonsoo P. Bach¹、Daisuke Kuroda²、Hiroyuki Naito³、Yoonyoung Kim¹、Yuna G. Kwon¹、Masataka Imai⁴、Kiyoshi Kuramoto⁴、Makoto Watanabe⁵、Ryo Okazaki⁶ (1.Department of Astronomy, Seoul National University、2.Okayama Astrophysical Observatory, National Astronomical Observatory of Japan、3.Nayoro Observatory、4.Department of Cosmosciences, Graduate School of Science, Hokkaido University、5.Faculty of Science Department of Applied Physics, Okayama University of Science、6.Hokkaido University of Education, Asahikawa Campus)

*Yoonyoung Kim¹、MASATERU ISHIGURO¹ (1.Seoul National Univ.)