The first photometric investigation of the neglected short period binary DY CVn
Qu ZhiNing1; Jiang LinQiao1,2; Liu Jie1; Hu YanFei1; Yuan YuQuan1; Jiang LinQiao(Sichuan Univ Sci & Engn, Sch Phys & Elect Engn, Zigong 643000, Peoples R China)
发表期刊NEW ASTRONOMY
2017-07-01
卷号54页码:103-108
DOI10.1016/j.newast.2017.01.010
收录类别SCI
关键词Stars: Binaries: Close Stars: Binaries : Eclipsing Stars: Individual (Dy Cvn)
摘要We present new photometric observations of the short period binary DY CVn. By using the Wilson-Devinney code of 2013 version, we found that DY CVn is a shallow contact binary (f = 13.2%) with a high mass ratio of q = 1.251. It is a W-subtype contact system where the more massive component is about 113 K cooler than the less massive one. From 44 available CCD times of light minimum collected from the references and 3 new ones in the present paper, the variation of the orbital period is studied. It is found that the 0 - C diagram shows a cyclic variation, and the most plausible explanation for this cyclic change is the light-travel time effect via a third body, since an outer third companion could play an important role for its formation by removing angular momentum from the central binary. (C) 2017 Elsevier B.V. All rights reserved.
项目资助者Chinese Natural Science Foundation(11503082, 11547162) ; National Natural Science Foundation of China (NSFC)(U1631108) ; Chinese Academy of Sciences (CAS)(U1631108) ; Sichuan University of Science and Engineering(2015RC40, 2015RC41, 2015RC42, 2015RC43, 2015RC44)
语种英语
学科领域天文学
文章类型Article
ISSN1384-1076
URL查看原文
WOS记录号WOS:000397369300014
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]ECLIPSING BINARY ; CONTACT BINARY ; OVERCONTACT BINARIES ; ORBITAL PERIOD ; LIGHT CURVES ; HS 0705+6700 ; MASS-RATIO ; STAR LIGHT
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/10011
专题中国科学院天体结构与演化重点实验室
通讯作者Jiang LinQiao(Sichuan Univ Sci & Engn, Sch Phys & Elect Engn, Zigong 643000, Peoples R China)
作者单位1.School of Physics and Electronic Engineering, Sichuan University of Science & Engineering, Zigong, 643000, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, China
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Qu ZhiNing,Jiang LinQiao,Liu Jie,et al. The first photometric investigation of the neglected short period binary DY CVn[J]. NEW ASTRONOMY,2017,54:103-108.
APA Qu ZhiNing,Jiang LinQiao,Liu Jie,Hu YanFei,Yuan YuQuan,&Jiang LinQiao.(2017).The first photometric investigation of the neglected short period binary DY CVn.NEW ASTRONOMY,54,103-108.
MLA Qu ZhiNing,et al."The first photometric investigation of the neglected short period binary DY CVn".NEW ASTRONOMY 54(2017):103-108.
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