NAOC Open IR
variablestarsinthefieldofopenclusterngc2126
ShunFang Liu; ZhenYu Wu; XiaoBin Zhang; JiangHua Wu; Jun Ma; ZhaoJi Jiang; JianSheng Chen; Xu Zhou
2009
Source Publicationresearchinastronomyandastrophysics
ISSN1674-4527
Volume9Issue:7Pages:791
AbstractWe report the results of a time-series CCD photometric survey of variable stars in the field of open cluster NGC 2126. In about a one square degree field covering the cluster, a total of 21 variable candidates are detected during this survey, of which 16 are newly found. The periods, classifications and spectral types of 14 newly discovered variables are discussed, which consist of six eclipsing binary systems, three pulsating variable stars, three long period variables, one RS CVn star, and one W UMa or delta Scuti star. In addition, there are two variable candidates, the properties of which cannot be determined. By a method based on fitting observed spectral energy distributions of stars with theoretical ones, the membership probabilities and the fundamental parameters of this cluster are determined. As a result, five variables are probably members of NGC 2126. The fundamental parameters of this cluster are determined as: metallicity to be 0.008 Z(circle dot), age log(t) = 8.95, distance modulus (m - M)(0) = 10.34 and reddening value E(B - V) = 0.55 mag.
Language英语
Funding Project[National Natural Science Foundation of China] ; [National Basic Research Program of China (973 Program)] ; [Knowledge Innovation Program J Chinese Academy of Sciences]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/43126
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
ShunFang Liu,ZhenYu Wu,XiaoBin Zhang,et al. variablestarsinthefieldofopenclusterngc2126[J]. researchinastronomyandastrophysics,2009,9(7):791.
APA ShunFang Liu.,ZhenYu Wu.,XiaoBin Zhang.,JiangHua Wu.,Jun Ma.,...&Xu Zhou.(2009).variablestarsinthefieldofopenclusterngc2126.researchinastronomyandastrophysics,9(7),791.
MLA ShunFang Liu,et al."variablestarsinthefieldofopenclusterngc2126".researchinastronomyandastrophysics 9.7(2009):791.
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