National Astronomical Observatories;
Chinese Academy of Sciences;
Beijing 100101;
China;
Yunnan Observatories;
Chinese Academy of Sciences;
Kunming 650216;
China;
Xinjiang Astronomical Observatory;
Chinese Academy of Sciences;
Urumqi 830011;
China;
Shanghai Astronomical Observatory;
Chinese Academy of Sciences;
Shanghai 200030;
China;
Nanjing Institute of Astronomical Optics&Technology;
Chinese Academy of Sciences;
Nanjing 210042;
China;
Purple Mountain Observatory;
Chinese Academy of Sciences;
Nanjing 210033;
China;
University of Chinese Academy of Sciences;
Beijing 100049;
China;