Institution: | Hu Zou 1,2,Yan-Bin Yang 1,Tian-Meng Zhang 1,Jun Ma 1,Xu Zhou 1,Ali Luo 1,Hao-Tong Zhang 1,Zhong-Rui Bai 1 and Yong-Heng Zhao 1 1 National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100012,China 2 Graduate University of Chinese Academy of Sciences,Beijing 100049,China |