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Contact discontinuities in models of contact binaries undergoing thermal relaxation oscillation
Wang JM(王建民); Wang, JM
1999
发表期刊ASTRONOMICAL JOURNAL
卷号118期号:4页码:1845-1849
通讯作者Chinese Acad Sci, Inst High Energy Phys, Lab Cosm Ray & High Energy Astrophys, Beijing 100039, Peoples R China ; Peking Univ, Chinese Acad Sci, Joint Beijing Astrophys Ctr, Beijing 100871, Peoples R China
文章类型Article
摘要In this paper we pursue the suggestion by Shu, Lubow, & Anderson and Wang that contact discontinuity (DSC) may exist in the secondary in the expansion thermal relaxation oscillation (TRO) state. It is demonstrated that there is a mass exchange instability in some range of mass ratio for the two components. We show that the assumption of constant volume of the secondary should be relaxed in DSC model. For all mass ratios, the secondary always satisfies the condition that no mass how returns to the primary through the inner Lagrangian point. The secondary will expand to equilibrate the interaction between the common convective envelope and the secondary. The DSC in contact binary undergoing thermal relaxation does not violate the second law of thermodynamics. The maintaining condition of DSC is derived in the time-dependent model. It is desired to improve the TRO model with the advanced DSC layer in future detailed calculations.
关键词binaries : close
学科领域Astronomy & Astrophysics
DOI10.1086/301049
URL查看原文
语种英语
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000083427500034
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被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239551
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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Wang JM,Wang, JM. Contact discontinuities in models of contact binaries undergoing thermal relaxation oscillation[J]. ASTRONOMICAL JOURNAL,1999,118(4):1845-1849.
APA 王建民,&Wang, JM.(1999).Contact discontinuities in models of contact binaries undergoing thermal relaxation oscillation.ASTRONOMICAL JOURNAL,118(4),1845-1849.
MLA 王建民,et al."Contact discontinuities in models of contact binaries undergoing thermal relaxation oscillation".ASTRONOMICAL JOURNAL 118.4(1999):1845-1849.
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