Y. Jeong (Yejin Jeong)(Department of Earth Science Education, Kyungpook National University, 80 Daehak-ro, Daegu 41566, Republic of Korea)
H. Shim (Hyunjin Shim)(Department of Earth Science Education, Kyungpook National University, 80 Daehak-ro, Daegu 41566, Republic of Korea)
E. Kim (Eunchong Kim)(International Gemini Observatory/NSF NOIRLab, 670 N. A'ohoku Place, Hilo, HI 96720, USA)
J. H. Lee (Jeong Hwan Lee)(Research Institute of Basic Sciences, Seoul National University, Seoul 08826, Republic of Korea, Department of Physics and Astronomy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea)