Kim Dachan(Department of Earth, Environmental Space Sciences, Chungnam National University 99, Daehak-ro, Yuseong-gu, Daejeon, Republic of Korea)
Hyunmi Song(Department of Earth, Environmental Space Sciences, Chungnam National University 99, Daehak-ro, Yuseong-gu, Daejeon, Republic of Korea)
Dongkok Kim(Astronomy Program, Department of Physics and Astronomy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea)
Ho Seong Hwang(Astronomy Program, Department of Physics and Astronomy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea)