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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; Zhou, X
发表期刊NEW ASTRONOMY
2016-10-01
卷号48页码:12-15
DOI10.1016/j.newast.2016.03.002
产权排序第1完成单位
收录类别SCI
关键词Stars: Binaries: Close Stars: Binaries: Eclipsing Stars: Individual: Gsc 03122-02426
摘要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.
项目资助者Chinese Natural Science Foundation(11133007, 11325315, 11203066) ; Strategic Priority Research Program "The Emergence of Cosmological Structure" of the Chinese Academy of Sciences(XDB09010202) ; Science Foundation of Yunnan Province(2012HC011)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN1384-1076
URL查看原文
归档日期2017-05-18
WOS记录号WOS:000377819100003
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]URSAE MAJORIS SYSTEMS ; CONTACT BINARY ; LIGHT CURVES ; STARS ; EVOLUTION ; ORIGIN
引用统计
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9610
专题双星与变星研究组
中国科学院天体结构与演化重点实验室
通讯作者Zhou, X
作者单位1.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
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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,&Zhou, X.(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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