Yunnan Observatories Chinese Academy ot Sciences Kunming 650216 China;
Key Laboratory for the Structure and Evolution of Celestial Objects Chinese Academy of Sciences Kunming 650216 China;
Center for Astronomical Mega-Science Chinese Academy of Sciences Beijing 100012 China;
University of Chinese Academy of Sciences Beijing 100049 China;
Yunnan Observatories Chinese Academy ot Sciences Kunming 650216 China;
Key Laboratory for the Structure and Evolution of Celestial Objects Chinese Academy of Sciences Kunming 650216 China;
Center for Astronomical Mega-Science Chinese Academy of Sciences Beijing 100012 China;
University of Chinese Academy of Sciences Beijing 100049 China;
Yunnan Observatories Chinese Academy ot Sciences Kunming 650216 China;
Key Laboratory for the Structure and Evolution of Celestial Objects Chinese Academy of Sciences Kunming 650216 China;
Center for Astronomical Mega-Science Chinese Academy of Sciences Beijing 100012 China;
University of Chinese Academy of Sciences Beijing 100049 China;