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pro vyhledávání: '"Lv, Zongfei"'
Autor:
Zhang, Shan, Liu, Gaochao, Huang, Yang, Lv, Zongfei, Bird, Sarah Ann, Chen, Bingqiu, Zhang, Huawei, Beers, Timothy C., Li, Xinyi, Tian, Haijun, Zhang, Peng
We use 3653 (2661 RRab, 992 RRc) RR Lyrae stars (RRLs) with 7D (3D position, 3D velocity, and metallicity) information selected from SDSS, LAMOST, and Gaia EDR3, and divide the sample into two Oosterhoff groups (Oo I and Oo II) according to their amp
Externí odkaz:
http://arxiv.org/abs/2309.02828
