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Episodic mass ejections from common-envelope objects
Clayton, Matthew1; Podsiadlowski, Philipp1; Ivanova, Natasha2,3; Justham, Stephen3,4,5
2017-09-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume470Issue:2Pages:1788-1808
AbstractAfter the initial fast spiral-in phase experienced by a common-envelope binary, the system may enter a slow, self-regulated phase, possibly lasting hundreds of years, in which all the energy released by orbital decay can be efficiently transported to the surface, where it is radiated away. If the remaining envelope is to be removed during this phase, this removal must occur through some as-yet-undetermined mechanism. We carried out 1D hydrodynamic simulations of a low-mass red giant undergoing a synthetic common-envelope event in such a slow spiral-in phase, using the stellar evolutionary code MESA. We simulated the heating of the envelope due to frictional dissipation from a binary companion's orbit in multiple configurations and investigated the response of the giant's envelope. We find that our model envelopes become dynamically unstable and develop large-amplitude pulsations, with periods in the range 3-20 yr and very short growth time-scales of similar order. The shocks and associated rebounds that emerge as these pulsations grow are in some cases strong enough to dynamically eject shells of matter of up to 0.1 M circle dot, similar to 10 per cent of the mass of the envelope, from the stellar surface at above escape velocity. These ejections are seen to repeat within a few decades, leading to a time-averaged mass-loss rate of the order of 10-3 M circle dot yr(-1), which is sufficiently high to represent a candidate mechanism for removing the entire envelope over the duration of the slow spiral-in phase.
SubtypeArticle
KeywordHydrodynamics Binaries: Close Stars: Mass-loss
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationScience and Technology Facilities Council(ST/K502236/1) ; Science and Technology Facilities Council(ST/K502236/1) ; Canada Research Chairs programme ; Canada Research Chairs programme ; NSERC ; NSERC ; Strategic Priority Research Program of the Chinese Academy of Sciences 'Multi-waveband Gravitational Wave Universe'(XDB23040000) ; Strategic Priority Research Program of the Chinese Academy of Sciences 'Multi-waveband Gravitational Wave Universe'(XDB23040000) ; Chinese Academy of Sciences (President's International Fellowship Initiative)(2011Y2JB07) ; Chinese Academy of Sciences (President's International Fellowship Initiative)(2011Y2JB07) ; National Natural Science Foundation of China(11250110055 ; National Natural Science Foundation of China(11250110055 ; National Science Foundation(PHY-1066293 ; National Science Foundation(PHY-1066293 ; 11350110324 ; 11350110324 ; NSF PHY11-25915) ; NSF PHY11-25915) ; 11633005) ; 11633005) ; Science and Technology Facilities Council(ST/K502236/1) ; Science and Technology Facilities Council(ST/K502236/1) ; Canada Research Chairs programme ; Canada Research Chairs programme ; NSERC ; NSERC ; Strategic Priority Research Program of the Chinese Academy of Sciences 'Multi-waveband Gravitational Wave Universe'(XDB23040000) ; Strategic Priority Research Program of the Chinese Academy of Sciences 'Multi-waveband Gravitational Wave Universe'(XDB23040000) ; Chinese Academy of Sciences (President's International Fellowship Initiative)(2011Y2JB07) ; Chinese Academy of Sciences (President's International Fellowship Initiative)(2011Y2JB07) ; National Natural Science Foundation of China(11250110055 ; National Natural Science Foundation of China(11250110055 ; National Science Foundation(PHY-1066293 ; National Science Foundation(PHY-1066293 ; 11350110324 ; 11350110324 ; NSF PHY11-25915) ; NSF PHY11-25915) ; 11633005) ; 11633005)
DOI10.1093/mnras/stx1290
WOS KeywordSTELLAR ASTROPHYSICS MESA ; ASYMPTOTIC-GIANT-BRANCH ; NEUTRON-STAR COMPANION ; PERIOD VARIABLE-STARS ; SUBDWARF-B-STARS ; PLANETARY-NEBULAE ; BINARY STARS ; EVOLUTION ; PHASE ; RECOMBINATION
Indexed BySCI
Language英语
Funding OrganizationScience and Technology Facilities Council(ST/K502236/1) ; Science and Technology Facilities Council(ST/K502236/1) ; Canada Research Chairs programme ; Canada Research Chairs programme ; NSERC ; NSERC ; Strategic Priority Research Program of the Chinese Academy of Sciences 'Multi-waveband Gravitational Wave Universe'(XDB23040000) ; Strategic Priority Research Program of the Chinese Academy of Sciences 'Multi-waveband Gravitational Wave Universe'(XDB23040000) ; Chinese Academy of Sciences (President's International Fellowship Initiative)(2011Y2JB07) ; Chinese Academy of Sciences (President's International Fellowship Initiative)(2011Y2JB07) ; National Natural Science Foundation of China(11250110055 ; National Natural Science Foundation of China(11250110055 ; National Science Foundation(PHY-1066293 ; National Science Foundation(PHY-1066293 ; 11350110324 ; 11350110324 ; NSF PHY11-25915) ; NSF PHY11-25915) ; 11633005) ; 11633005) ; Science and Technology Facilities Council(ST/K502236/1) ; Science and Technology Facilities Council(ST/K502236/1) ; Canada Research Chairs programme ; Canada Research Chairs programme ; NSERC ; NSERC ; Strategic Priority Research Program of the Chinese Academy of Sciences 'Multi-waveband Gravitational Wave Universe'(XDB23040000) ; Strategic Priority Research Program of the Chinese Academy of Sciences 'Multi-waveband Gravitational Wave Universe'(XDB23040000) ; Chinese Academy of Sciences (President's International Fellowship Initiative)(2011Y2JB07) ; Chinese Academy of Sciences (President's International Fellowship Initiative)(2011Y2JB07) ; National Natural Science Foundation of China(11250110055 ; National Natural Science Foundation of China(11250110055 ; National Science Foundation(PHY-1066293 ; National Science Foundation(PHY-1066293 ; 11350110324 ; 11350110324 ; NSF PHY11-25915) ; NSF PHY11-25915) ; 11633005) ; 11633005)
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000406839900037
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/20065
Collection光学天文研究部
Affiliation1.Univ Oxford, Dept Phys, Keble Rd, Oxford OX1 3RH, England
2.Univ Alberta, Dept Phys, 11322-89 Ave, Edmonton, AB T6G 2E7, Canada
3.Univ Calif Santa Barbara, Kavli Inst Theoret Phys, Santa Barbara, CA 93106 USA
4.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100012, Peoples R China
5.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Clayton, Matthew,Podsiadlowski, Philipp,Ivanova, Natasha,et al. Episodic mass ejections from common-envelope objects[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2017,470(2):1788-1808.
APA Clayton, Matthew,Podsiadlowski, Philipp,Ivanova, Natasha,&Justham, Stephen.(2017).Episodic mass ejections from common-envelope objects.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,470(2),1788-1808.
MLA Clayton, Matthew,et al."Episodic mass ejections from common-envelope objects".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 470.2(2017):1788-1808.
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