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A photometric study of the contact binary AR Bootis
Han QW(韩全旺)1,2,3; Li LF(李立芳)1,2; Kong XY(孔晓阳)1,2,3; Li JS(李槛杉)1,2,3; Jiang DK(姜登凯)1,2
通讯作者Han, Quan-wang(qwhan@ynao.ac.cn)
发表期刊NEW ASTRONOMY
2019
卷号66页码:14-19
DOI10.1016/j.newast.2018.07.004
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: Individuals: AR Booth
摘要New complete BVR light curves of the contact binary AR Bootis (AR Boo) are presented. They are analyzed through the 2013 version of the Wilson-Devinney (W-D) code. Our new photometric solution shows that AR Boo is a W-subtype W UMa contact binary system with a mass ratio of q = m(2)/m(1) = 1.865 and a fill-out factor of 12.7%. The changes in the orbital period of AR Boo are analyzed. It is found that the orbital period of this binary has a continuous increase at a rate of 2.04x 10(-7) days yr(-1), together with a cyclic variation (with a period of 39.05 yr and an amplitude of 0.0154 days). We discussed the mechanism responsible for the changes in the orbital period of AR Boo. It is found that the long-term increase in its orbital period is caused by mass transfer from the less massive component to the more massive one, and the periodic variation in its orbital period might be a result of the light-travel-time effect owing to a third body or the magnetic activity in the more massive component of AR Boo.
资助项目Chinese Natural Science Foundations[11373063] ; Chinese Natural Science Foundations[11773065] ; Chinese Natural Science Foundations[11573061] ; Chinese Natural Science Foundations[11573062] ; Chinese Natural Science Foundations[11390374] ; Chinese Natural Science Foundations[11661161016] ; Yunnan Natural Science Foundation[2015FB190]
项目资助者Chinese Natural Science Foundations ; Yunnan Natural Science Foundation
语种英语
学科领域天文学
学科门类理学 ; 理学::天文学
文章类型Article
出版者ELSEVIER SCIENCE BV
ISSN1384-1076
URL查看原文
WOS记录号WOS:000447477900003
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]MAJORIS-TYPE SYSTEMS ; LIGHT-CURVE ; STAR LIGHT ; EVOLUTION
引用统计
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/18044
专题大样本恒星演化研究组
中国科学院天体结构与演化重点实验室
通讯作者Han QW(韩全旺)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650216, PR China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650216, PR China
3.University of Chinese Academy of Sciences, Beijing 100049, PR China
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GB/T 7714
Han QW,Li LF,Kong XY,et al. A photometric study of the contact binary AR Bootis[J]. NEW ASTRONOMY,2019,66:14-19.
APA Han QW,Li LF,Kong XY,Li JS,&Jiang DK.(2019).A photometric study of the contact binary AR Bootis.NEW ASTRONOMY,66,14-19.
MLA Han QW,et al."A photometric study of the contact binary AR Bootis".NEW ASTRONOMY 66(2019):14-19.
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