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Investigation of contact binaries in the field of NGC 6811
Li XZ(李旭志)1,2,3,4; Liu L(刘亮)1,2,3,4; Zhang XD(张旭东)1,2,3,4
发表期刊PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN
2020-08-01
卷号72期号:4页码:8
DOI10.1093/pasj/psaa046
产权排序第1完成单位
收录类别SCI ; EI
关键词binaries: close binaries: eclipsing cluster: individual (NGC 6811) cluster: open cluster
摘要

Contact binary systems are very important for studying physical processes such as strong interactions between stars, mass transfer, and stellar merger. Further, the members of an open cluster have the same age, metal abundance, and interstellar extinction conditions. Therefore, we can conduct a comparative study on the different binary systems of the same open cluster. NGC 6811 is an observed intermediate-aged, slightly reddened open cluster in the Kepler field of view; we conducted a corresponding study on the contact binary systems in this cluster. We analyzed six suspected targets and found a total of five EW-type binary systems within a field of 40 radius of the NGC 6811 cluster center. These targets were analyzed base on the Kepler data, and the corresponding system parameters were obtained by using the latest version of the Wilson-Devinney code. Further, we also used Gaia DR2 data and the cluster distance data to estimate the absolute parameters of these targets to determine whether they are members of the cluster. Finally, we determined that two targets (KIC 9470175 and KIC 9533706) are most likely cluster members; KIC 9957411 and KIC 9776718 are definitely not members of the cluster, just background stars.

资助项目Chinese Natural Science Foundation[11773066] ; Yunnan Natural Science Foundation[2016FB004] ; young academic and technology leaders project of Yunnan Province[2015HB098]
项目资助者Chinese Natural Science Foundation[11773066] ; Yunnan Natural Science Foundation[2016FB004] ; young academic and technology leaders project of Yunnan Province[2015HB098]
语种英语
学科领域天文学 ; 恒星与银河系 ; 恒星天文学 ; 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OXFORD UNIV PRESS
出版地GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
ISSN0004-6264
URL查看原文
WOS记录号WOS:000593159200017
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]PHOTOMETRIC ANALYSIS ; ECLIPSING BINARY ; LIGHT CURVES ; EVOLUTION ; SYSTEMS ; PERIOD ; STARS ; MASS
EI入藏号20215211379708
EI主题词Systems (metallurgical)
EI分类号641.3 Mass Transfer - 657.2 Extraterrestrial Physics and Stellar Phenomena
引用统计
被引频次:6[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/114a53/24071
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 the Chinese Academy of Sciences, Yuquan Road 19#, Shijingshan 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
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GB/T 7714
Li XZ,Liu L,Zhang XD. Investigation of contact binaries in the field of NGC 6811[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,2020,72(4):8.
APA Li XZ,Liu L,&Zhang XD.(2020).Investigation of contact binaries in the field of NGC 6811.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN,72(4),8.
MLA Li XZ,et al."Investigation of contact binaries in the field of NGC 6811".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN 72.4(2020):8.
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