Yunnan observatories;
Chinese Academy of Sciences;
Kunming 650011;
China;
Key Laboratory for the Structure and Evolution of Celestial Objects;
Yunnan observatories;
Chinese Academy of Sciences;
Kunming 650011;
China;
University of Chinese Academy of Sciences;
Beijing 100049;
China;
Center for Astronomical Mega-Science;
Chinese Academy of Sciences;
Beijing 100101;
China;
State Key Laboratory of Lunar and Planetary Sciences;
Macau University of Science and Technology;
Macau;
China;
Kavli Institute for Theoretical Physics;
University of California;
Santa Barbara;
CA 93106;
USA;
Department of Physics;
University of California;
Santa Barbara;
CA 93106;
USA;
Dr.Remeis-Sternwarte&ECAP;
University of Erlangen-Nurnberg;
Erlangen;
Germany;
Key Lab of Optical Astronomy;
National Astronomical Observatories;
Chinese Academy of Sciences;
Beijing 100101;
China;