Institution: | 1. Key Laboratory of Dark Matter and Space Astronomy, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008;2. School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026;1. School of Physics and Electronic Information Technology, Yunnan Normal University, Kunming 650500;2. Key Laboratory of High Energy Astrophysics of University of Yunnan Province, Kunming 650500;1. School of Mathematics and Computer Sciences, Yunnan Minzu University, Kunming 650500;2. School of Economics and Business Administration, Yunnan Vocational and Technical Collage of Agriculture, Kunming 650031;3. School of Physics and Electronic Engineering, Guangzhou University, Guangzhou,510006;4. Key Laboratory of the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011;1. College of Big Data and Information Engineering/College of Physics, Guizhou University, Guiyang 550025;2. School of Physics and Electronics, Qiannan Normal University for Nationalities, Duyun 558000;3. Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030;1. Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011;2. University of Chinese Academy of Sciences, Beijing 100049;3. Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030;4. Department of Astronomy, Yunnan University, Kunming 650091;1. National Time Service Center, Chinese Academy of Sciences, Xi’an 710600;2. Key Laboratory of Time and Frequency Primary Standards, National Time Service Center, Chinese Academy of Sciences, Xi’an 710600;3. University of Chinese Academy of Sciences, Beijing 100049;4. School of Astronomy and Space Science, University of Chinese Academy of Sciences, Beijing 100049 |