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Is the eclipsing binary RR Dra dancing with a hidden tertiary black hole candidate?
Wang, Zhi-Hua1; Zhu LY(朱俐颖)2,3,4,5
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2021-10
卷号507期号:2页码:2804-2812
DOI10.1093/mnras/stab2356
产权排序第2完成单位
收录类别SCI ; EI
关键词binaries: close binaries: eclipsing stars: black holes stars: individual: RR Dra
摘要

Analysis of timing variation of the eclipsing binary RR Dra implies the existence of an additional object with mass of no less than 3.5(+/- 0.2) M-circle dot. This third object is orbiting around the central eclipsing pair once every 98(+/- 1) yr, making the whole a hierarchical triple system. However, reliable photometric solutions based on light curves from Transiting Exoplanet Survey Satellite and WASP show that contribution of the third-light takes only about 2 per cent of the total luminosity. It could photometrically be attributed to other unrelated star located within the aperture. The tertiary component is thus a massive object but invisible in optical wavelengths. Besides, evidence of misalignment between the barycenter and the centre of light of the system is also found. This strengthen the existence of a hidden black hole candidate in the form of the third body. The potential black hole may play an essential role in extracting angular momentum from the central binary pair, forming the current state. As a good laboratory, RR Dra is an interesting system that can help to study stellar-mass black hole under the circumbinary case.

资助项目National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11922306] ; Chinese Academy of Sciences (CAS) Interdisciplinary Innovation Team
项目资助者National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC)[11922306] ; Chinese Academy of Sciences (CAS) Interdisciplinary Innovation Team
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OXFORD UNIV PRESS
出版地GREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
ISSN0035-8711
URL查看原文
WOS记录号WOS:000697380800083
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]PARSEC EVOLUTIONARY TRACKS ; ORBITAL PERIOD MODULATION ; STELLAR EVOLUTION ; CONTACT BINARY ; MASSIVE STARS ; LIGHT ; CATALOG ; PISCIUM ; CYCLES
EI入藏号20221712019060
EI主题词Stars
EI分类号657.2 Extraterrestrial Physics and Stellar Phenomena - 931.5 Gravitation, Relativity and String Theory
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.ynao.ac.cn/handle/114a53/24583
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Wang, Zhi-Hua; Zhu LY(朱俐颖)
作者单位1.School of Mathematics and Information Sciences, Yantai University, Yantai 264005, China;
2.Yunnan Observatories, Chinese Academy of Sciences (CAS), Kunming 650216, China;
3.Key Laboratory for the Structure and Evolution of Celestial Objects, CAS, Kunming 650216, China;
4.Center for Astronomical Mega-Science, CAS, Beijing 100012, China;
5.University of Chinese Academy of Sciences, Beijing 100049, China
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
Wang, Zhi-Hua,Zhu LY. Is the eclipsing binary RR Dra dancing with a hidden tertiary black hole candidate?[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2021,507(2):2804-2812.
APA Wang, Zhi-Hua,&Zhu LY.(2021).Is the eclipsing binary RR Dra dancing with a hidden tertiary black hole candidate?.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,507(2),2804-2812.
MLA Wang, Zhi-Hua,et al."Is the eclipsing binary RR Dra dancing with a hidden tertiary black hole candidate?".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 507.2(2021):2804-2812.
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