*Yuna Grace Kwon¹、MASATERU ISHIGURO¹、Yoshiharu Shinnaka²、Tatsuya Nakaoka³、Koji S Kawabata³、Daisuke Kuroda⁴、Hidekazu Hanayama⁵、Miho Kawabata³、Makoto Uemura³、Hiroshi Akitaya⁶ (1.Seoul National University, South Korea、2.National Astronomical Observatory of Japan、3.Hiroshima University, Japan、4.Okayama Astrophysical Observatory, Japan、5.Ishigakijima Astronomical Observatory, Japan、6.Saitama University, Japan)