Song Wang (1,2,3), Jun Ma (1,3) ((1) National Astronomical Observatories, Chinese Academy of Sciences, (2) Graduate University of Chinese Academy of Sciences, Shijingshan District, Beijing, China, (3) Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing, China)
arXiv.org - Astrophysics - Volume: 2012, Issue: 30 Mar