Affiliation: | Christian-Albrechts-Universität zu Kiel, Institut für Theoretische Physik und Astrophysik, Leibnizstr. 15, 24118 Kiel, Germany;Physics Department and Tsinghua Centre for Astrophysics (THCA), Tsinghua University, Beijing, 100084, China;National Astronomical Observatories, Chinese Academy of Sciences, A20, Datun Road, Beijing 100012, China;Steward Observatory, The University of Arizona, 933 North Cherry Ave, Tucson, AZ 85721, USA |