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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
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2018-09-01
Volume479Issue:3Pages:3604-3615
DOI10.1093/mnras/sty1558
Contribution Rank第1完成单位
Indexed BySCI
KeywordCelestial Mechanics (Stars:) Binaries (Including Multiple): Close Stars: Evolution
Abstract

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.

Funding ProjectNatural 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
Funding OrganizationNatural Science Foundation of China[11521303, 11733008, 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
Language英语
Subject Area天文学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherOXFORD UNIV PRESS
Publication PlaceGREAT CLARENDON ST, OXFORD OX2 6DP, ENGLAND
ISSN0035-8711
URL查看原文
WOS IDWOS:000441382300055
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordTidal-capture Binaries ; White-dwarfs ; Planetary Orbits ; Stars ; Evolution ; Systems ; Triple ; Dissipation ; Friction ; Supernovae
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/17824
Collection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
Corresponding AuthorGao Y(高沿)
Affiliation1.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
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
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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