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KIC 4762887: A near-contact binary or an ellipsoidal variable star?
Li XZ(李旭志)1,2,3,4; Liu L(刘亮)1,2,3,4
发表期刊NEW ASTRONOMY
2021-04-01
卷号84页码:4
DOI10.1016/j.newast.2020.101539
产权排序第1完成单位
收录类别SCI
关键词Stars-eclipsing binary Stars-ellipsoidal variable Individual-KIC 4762887
摘要

KIC 4762887 is a variable star with a very small amplitude discovered by Keplerand show the EW-type light curve. We analyzed the light curve of KIC 4762887 by using the 2015 version of the Wilson-Devinney code. The results indicated that it is not a contact binary, maybe not even an eclipsing binary. We also modelled the light curve by the Fourier analysis. The results indicated that the main effect in the light variations of KIC 4762887 is the ellipsoidal effect. Finally, we confirmed that KIC 4762887 is not an eclipsing binary, but rather an ellipsoidal variable star.

资助项目National Natural Science Foundation of China[11773066] ; National Natural Science Foundation of China[11933008] ; young academic and technology leaders project of Yunnan Province[2015HB098] ; Open Project Program of the Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences
项目资助者National Natural Science Foundation of China[11773066, 11933008] ; young academic and technology leaders project of Yunnan Province[2015HB098] ; Open Project Program of the Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences
语种英语
学科领域天文学 ; 恒星与银河系 ; 恒星形成与演化
学科门类理学 ; 理学::天文学
文章类型Article
出版者ELSEVIER
出版地RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS
ISSN1384-1076
URL查看原文
WOS记录号WOS:000600411900006
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]LIGHT ; KEPLER
引用统计
被引频次:2[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/114a53/24074
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Li XZ(李旭志)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences (CAS), P. O. Box 110, 650216 Kunming, P. R. China
2.Key Laboratory of the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, P. O. Box 110, 650216 Kunming, P. R. China
3.Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing, 100012, P. R. China
4.University of Chinese Academy of Sciences, Yuquan Road 19#, Sijingshang Block, 100049 Beijing, P. R. China
第一作者单位中国科学院云南天文台
通讯作者单位中国科学院云南天文台
推荐引用方式
GB/T 7714
Li XZ,Liu L. KIC 4762887: A near-contact binary or an ellipsoidal variable star?[J]. NEW ASTRONOMY,2021,84:4.
APA Li XZ,&Liu L.(2021).KIC 4762887: A near-contact binary or an ellipsoidal variable star?.NEW ASTRONOMY,84,4.
MLA Li XZ,et al."KIC 4762887: A near-contact binary or an ellipsoidal variable star?".NEW ASTRONOMY 84(2021):4.
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