Hong-Kyu Moon(Korea Astronomy and Space Science Institute, Dept. of Astronomy, Institute of Earth.Atmosphere.Astronomy, Yonsei University, Research School of Astronomy and Astrophysics, Mount Stromlo Observatory)
Yong-Ik Byun(Dept. of Astronomy, Institute of Earth.Atmosphere.Astronomy, Yonsei University)
S. N. Raymond(Laboratory for Atmospheric and Space Physics, University of Colorado)