Hiroki Onozato (1, 2), Yoshifusa Ita (1), Yoshikazu Nakada (3), Shogo Nishiyama (4) ((1) Astronomical Institute, Graduate School of Science, Tohoku University, Aramaki Aoba, Aoba-ku, Sendai, Miyagi, Japan, (2) Nishi-Harima Astronomical Observatory, Center for Astronomy, Institute of Natural, Environmental Sciences, University of Hyogo, Nishigaichi, Sayo-cho, Sayo-gun, Hyogo, Japan, (3) Kiso Observatory, Institute of Astronomy, School of Science, The University of Tokyo, Mitake, Kiso-machi, Kiso-gun, Nagano, Japan, (4) Miyagi University of Education, Aramaki Aoba, Aoba-ku, Sendai, Miyagi, Japan)
