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High-velocity runaway binaries from supernovae in triple systems
Gao Y(高沿)1,2,3; Li J(李蛟)1,2,3; Jia S(贾石)1,2,3
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2019-08-01
卷号487期号:3页码:3178-3182
DOI10.1093/mnras/stz1525
产权排序第1完成单位
收录类别SCI ; EI
关键词celestial mechanics binaries: close stars: evolution
摘要

Recent studies On hypervelocity stars (HVSs) have generated a need to understand the high velocity limits of binary systems. If runaway binary systems with high movement speeds well in excess of 200 km s(-1) were to exist, it would have implications on how HVS candidates are selected, and our current understanding of how they form needs to be reinforced. :In this paper, we explore the possibility that such high-velocity runaway binaries (HVRBs) can be engendered by supernova explosions of the tertiary in close hierarchical triple systems. We find that such explosions can lead to significant remnant binary velocities, and demonstrate via constraining the velocity distribution of such HVRBs that this mechanism can lead to binaries with centre-of-mass velocities of 350 km s(-1) or more, relative to the original centre of mass of the progenitor triple system. This translates into potential observations of binaries with velocities high enough to escape the Galaxy, once the Galactic rotational velocity and objects of Large Magellanic Cloud origins are considered.

资助项目Natural Science Foundation of China[11521303] ; Science and Technology Innovation Talent Programme of Yunnan Province[2017HC018]
项目资助者Natural Science Foundation of China[11521303] ; Science and Technology Innovation Talent Programme of Yunnan Province[2017HC018]
语种英语
学科领域天文学 ; 恒星与银河系 ; 恒星物理学 ; 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
ISSN0035-8711
URL查看原文
WOS记录号WOS:000478053200017
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]HYPERVELOCITY STARS ; STELLAR ; MULTIPLICITY ; LUMINOSITY ; STABILITY
EI入藏号20221712016293
EI主题词Systems (metallurgical)
EI分类号657.2 Extraterrestrial Physics and Stellar Phenomena - 922.2 Mathematical Statistics - 961 Systems Science
引用统计
被引频次:4[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/114a53/20813
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Gao Y(高沿)
作者单位1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
3.University of Chinese Academy of Sciences, No.19(A) Yuquan Road, Shijingshan District, Beijing 100049, 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
Gao Y,Li J,Jia S. High-velocity runaway binaries from supernovae in triple systems[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2019,487(3):3178-3182.
APA Gao Y,Li J,&Jia S.(2019).High-velocity runaway binaries from supernovae in triple systems.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,487(3),3178-3182.
MLA Gao Y,et al."High-velocity runaway binaries from supernovae in triple systems".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 487.3(2019):3178-3182.
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