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Numerical modelling of tertiary tides
Gao Y(高沿)1,2; Correia, Alexandre C. M.3,4,5; Eggleton, Peter P.6; Han ZW(韩占文)1,2
发表期刊MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2018-09-01
卷号479期号:3页码:3604-3615
DOI10.1093/mnras/sty1558
产权排序第1完成单位
收录类别SCI
关键词Celestial Mechanics (Stars:) Binaries (Including Multiple): Close Stars: Evolution
摘要

Stellar systems consisting of multiple stars tend to undergo tidal interactions when the separations between the stars are short. While tidal phenomena have been extensively studied, a certain tidal effect exclusive to hierarchical triples (triples in which one component star has a much wider orbit than the others) has hardly received any attention, mainly due to its complexity and consequent resistance to being modelled. This tidal effect is the tidal perturbation of the tertiary by the inner binary, which in turn depletes orbital energy from the inner binary, causing the inner binary separation to shrink. In this paper, we develop a fully numerical simulation of these 'tertiary tides' by modifying established tidal models. We also provide general insight as to how close a hierarchical triple needs to be in order for such an effect to take place, and demonstrate that our simulations can effectively retrieve the orbital evolution for such systems. We conclude that tertiary tides are a significant factor in the evolution of close hierarchical triples, and strongly influence at least similar to 1 per cent of all multiple star systems.

资助项目Natural Science Foundation of China[11521303] ; Natural Science Foundation of China[11733008] ; Natural Science Foundation of China[11390374] ; Science and Technology Innovation Talent Programme of Yunnan Province[2017HC018] ; Chinese Academy of Sciences[KJZD-EW-M06-01] ; CIDMA strategic project[UID/MAT/04106/2013] ; ENGAGE SKA[POCI-01-0145-FEDER-022217] ; PHOBOS[POCI-01-0145-FEDER-029932] ; COMPETE 2020 ; FCT, Portugal
项目资助者Natural Science Foundation of China ; Science and Technology Innovation Talent Programme of Yunnan Province ; Chinese Academy of Sciences ; CIDMA strategic project ; ENGAGE SKA ; PHOBOS ; COMPETE 2020 ; FCT, Portugal
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OXFORD UNIV PRESS
ISSN0035-8711
URL查看原文
WOS记录号WOS:000441382300055
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]Tidal-capture Binaries ; White-dwarfs ; Planetary Orbits ; Stars ; Evolution ; Systems ; Triple ; Dissipation ; Friction ; Supernovae
引用统计
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/17824
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.Department of Physics, University of Coimbra, P-3004-516 Coimbra, Portugal
4.Univ Aveiro, Dept Phys, CIDMA, P-3810193 Aveiro, Portugal
5.PSL Univ, Paris Observ, IMCCE, ASD, 77 Av Denfert Rochereau, F-75014 Paris, France
6.Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94551 USA
推荐引用方式
GB/T 7714
Gao Y,Correia, Alexandre C. M.,Eggleton, Peter P.,et al. Numerical modelling of tertiary tides[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2018,479(3):3604-3615.
APA Gao Y,Correia, Alexandre C. M.,Eggleton, Peter P.,&Han ZW.(2018).Numerical modelling of tertiary tides.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,479(3),3604-3615.
MLA Gao Y,et al."Numerical modelling of tertiary tides".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 479.3(2018):3604-3615.
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