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23 April 2024 |
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Article overview
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Where Are Be/black-hole Binaries? | | Fan Zhang
; X.-D. Li
; Z.-R. Wang
; | | Date: |
23 Nov 2003 | | Journal: | Astrophys.J. 603 (2004) 663-668 | | Subject: | astro-ph | | Abstract: | We apply the tidal truncation model proposed by Negueruela & Okazaki(2001) to arbitrary Be/compact star binaries to study the truncation efficiency dependance on the binary parameters. We find that the viscous decretion disks around the Be stars could be truncated very effectively in narrow systems. Combining this with the population synthesis results of Podsiadlowski, Rappaport and Han (2003) that binary black holes are most likely to be born in systems with orbital periods less than about 30 days, we suggest that most of the Be/black-hole binaries may be transient systems with very long quiescent states. This could explain the lack of observed Be/black-hole X-ray binaries. We also discuss the evolution of the Be/black-hole binaries and their possible observational features. | | Source: | arXiv, astro-ph/0311523 | | Services: | Forum | Review | PDF | Favorites | |
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