Membership Determination of Open Cluster M48 Based on BATC 13‐Band Photometry | Zendy

Zhenyu Wu | Zendy; Xu Zhou | Zendy; Jun Ma | Zendy; Zhaoji Jiang | Zendy; Jiansheng Chen | Zendy

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Membership Determination of Open Cluster M48 Based on BATC 13‐Band Photometry

Author(s) -

Zhenyu Wu,

Xu Zhou,

Jun Ma,

Zhaoji Jiang,

Jiansheng Chen

Publication year - 2006

Publication title -

publications of the astronomical society of the pacific

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.294

H-Index - 172

eISSN - 1538-3873

pISSN - 0004-6280

DOI - 10.1086/507050

Subject(s) - photometry (optics) , stars , cluster (spacecraft) , astrophysics , physics , limiting , open cluster , limiting magnitude , computer science , mechanical engineering , engineering , programming language

Beijing-Arizona-Taiwan-Connecticut (BATC) multi-band photometric data in thefield of open cluster M48 are used to determine its membership. By comparingobserved spectral energy distributions (SEDs) of stars with theoretical ones,membership probabilities of 750 stars with limiting magnitude of 15.0 in BATC$c$ band ($\lambda_{eff}=4194$ \AA) are determined. 323 stars with membershipprobabilities higher than 30% are considered as candidate members of M48.Comparing membership probabilities of 229 common stars obtained by the presentmethod and the proper-motion based methods, a 80% agreement among these methodsis obtained.Comment: 27 pages,7figures, accepted for publication in PAS

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