Mi-Hwa Song(Department of Astronomy and Space Science, Chungbuk National University, Cheongju 28644, Korea)
Chun-Hwey Kim(Department of Astronomy and Space Science, Chungbuk National University, Cheongju 28644, Korea)
Min-Ji Jeong(Department of Astronomy and Space Science, Chungbuk National University, Cheongju 28644, Korea)
Hye-Yong Kim(Department of Astronomy and Space Science, Chungbuk National University, Cheongju 28644, Korea, Institute for Astrophysics, Chungbuk National University, Cheongju 28644, Korea)