Key Laboratory of Particle Astrophysics,Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100049,China

South-Western Institute For Astronomy Research,Yunnan University,Kunming 650504,China

Purple Mountain Observatory,Chinese Academy of Sciences,Nanjing 210023,China

Key Laboratory of Stellar and Interstellar Physics and School of Physics and Optoelectronics,Xiangtan University,Xiangtan 411105,China

School of Physics and Astronomy,Sun Yat-Sen University,Zhuhai 519082,China

University of Chinese Academy of Sciences,Chinese Academy of Sciences,Beijing 100049,China

Nevada Center for Astrophysics,University of Nevada,Las Vegas,NV 89154,USA

Department of Physics and Astronomy,University of Nevada,Las Vegas,NV 89154,USA

National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100101,China

Department of Astronomy,Peking University,Beijing 100871,China

CAS Key Laboratory for Research in Galaxies and Cosmology,Department of Astronomy,University of Science and Technology of China,Hefei 230026,China

School of Astronomy and Space Science,University of Science and Technology of China,Hefei 230026,China

Yunnan Observatories,Chinese Academy of Sciences,Kunming 650216,China

School of Astronomy and Space Science,Nanjing University,Nanjing 210023,China

Key laboratory of Modem Astronomy and Astrophysics,Nanjing University,Nanjing 210023,China