National Astronomical Observatories Chinese Academy of Sciences Beijing 100101 China;
University of Chinese Academy of Sciences Beijing 100049 China;
School of Physics and Astronomy Sun Yat-Sen University Zhuhai 519082 China;
National Astronomical Observatories Chinese Academy of Sciences Beijing 100101 China;
University of Chinese Academy of Sciences Beijing 100049 China;
NAOC-UKZN Computational Astrophysics Centre University of KwaZulu-Natal Durban 4000 South Africa;
School of Physics and Astronomy Sun Yat-Sen University Zhuhai 519082 China;