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The photometric investigation of the newly discovered W UMa type binary system GSC 03122-02426
Zhou X(周肖)1,2,3; Qian SB(钱声帮)1,2,3; He JJ(何家佳)1,2; Zhang J(张嘉)1,2; Zhang B(张斌)1,2,3
Source PublicationNEW ASTRONOMY
2016-10-01
Volume48Pages:12-15
DOI10.1016/j.newast.2016.03.002
Contribution Rank第1完成单位
Indexed BySCI
KeywordStars: Binaries: Close Stars: Binaries: Eclipsing Stars: Individual: Gsc 03122-02426
Abstract

The B V R-c I-c bands light curves of the newly discovered binary system GSC 03122-02426 are obtained and analyzed using the Wilson-Devinney (W-D) code. The solutions suggest that the mass ratio of the binary system is q = 2.70 and the less massive component is 422K hotter than the more massive one. We conclude that GSC 03122-02426 is a W-subtype shallow contact (with a contact degree of f = 15.3%) binary system. It may be a newly formed contact binary system which is just under geometrical contact and will evolve to be a thermal contact binary system. The high orbital inclination (i = 81.6 degrees) implies that GSC 03122-02426 is a total eclipsing binary system and the photometric parameters obtained by us are quite reliable. We also estimate the absolute physical parameters of the two components in GSC 03122-02426, which will provide fundamental information for the research of contact binary systems. The formation and evolutionary scenario of GSC 03122-02426 is discussed. (C) 2016 Elsevier B.V. All rights reserved.

Funding ProjectChinese Natural Science Foundation[11133007] ; Chinese Natural Science Foundation[11325315] ; Chinese Natural Science Foundation[11203066] ; Strategic Priority Research Program
Funding OrganizationChinese Natural Science Foundation[11133007, 11325315, 11203066] ; Strategic Priority Research Program
Language英语
Subject Area天文学 ; 天体物理学 ; 实测天体物理学 ; 恒星与银河系 ; 恒星天文学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherELSEVIER SCIENCE BV
Publication PlacePO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
ISSN1384-1076
URL查看原文
Archive Date2017-05-18
WOS IDWOS:000377819100003
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordURSAE MAJORIS SYSTEMS ; CONTACT BINARY ; LIGHT CURVES ; STARS ; EVOLUTION ; ORIGIN
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9610
Collection双星与变星研究组
中国科学院天体结构与演化重点实验室
Corresponding AuthorZhou X(周肖)
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, PO Box 110, 650216 Kunming, China
2.Key Laboratory of the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, PO Box 110, 650216 Kunming, China
3.Graduate University of the Chinese Academy of Sciences, Yuquan Road 19, Sijingshang Block, 100049 Beijing, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhou X,Qian SB,He JJ,et al. The photometric investigation of the newly discovered W UMa type binary system GSC 03122-02426[J]. NEW ASTRONOMY,2016,48:12-15.
APA Zhou X,Qian SB,He JJ,Zhang J,&Zhang B.(2016).The photometric investigation of the newly discovered W UMa type binary system GSC 03122-02426.NEW ASTRONOMY,48,12-15.
MLA Zhou X,et al."The photometric investigation of the newly discovered W UMa type binary system GSC 03122-02426".NEW ASTRONOMY 48(2016):12-15.
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