Yonghwi Kim(CEOU, Astronomy Program, Dept. of Physics & Astronomy, Seoul National University/FPRD, Dept. of Physics & Astronomy, Seoul National University)
Woong-Tae Kim(CEOU, Astronomy Program, Dept. of Physics & Astronomy, Seoul National University/FPRD, Dept. of Physics & Astronomy, Seoul National University/Institute for Advanced Study)