| Affiliation: | Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China;Max-Planck-Institut für Astrophysik, Karl Schwarzschild Str. 1, Postfach 1317, 85741 Garching, Germany;Max-Planck-Institut für extraterrestrische Physik, Postfach 1312, 85741 Garching, Germany;Department of Astronomy, University of Massachusetts, Amherst, MA 01003-9905, USA;Steward Observatory, 933 N Cherry Ave, Tucson, AZ 85721, USA;Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195, USA |
