| Institution: | Song Yao, Chao Liu, Hao-Tong Zhang, Li-Cai Deng, Heidi Jo Newberg, Yue-Yang Zhang, Jing Li, Nian Liu, Xu Zhou, Jeffrey L. Carlina, Li Chen, Norbert Christlieb, Shuang Gao, Zhan-Wen Hart, Jin-Liang Hou, Hsu-Tai Lee, Xiao-Wei Liu, Kai-Ke Pan, Hong-Chi Wang, Yan Xu and Fan Yang 1 Key Lab of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China; liuchao@nao.cas.cn 2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China 3 Department of Physics, Applied Physics and Astronomy, Rensselaer Polytechnic Institute, 1 l0 8th Street, Troy, NY 12180, USA 4 School of Physics and Electronic Information, China West Normal University, Nanchong 637000, China 5 Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China 6 Center for Astronomy, University of Heidelberg, Landessternwarte, K6nigstuhl 12, D-69117 Heidelberg, Germany 7 Yunnan Astronomical Observatory, Chinese Academy of Sciences, Kunming 65001 l, China s Institute of Astronomy and Astrophysics, Academia Sinica, P.O. Box 23-141, Taipei 106, China 9 Department of Astronomy ＆ Kavli Institute of Astronomy and Astrophysics, Peking University, Beijing 100871, China 10 Apache Point Observatory, PO Box 59, Sunspot, NM 88349, USA 11 Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008, China |
