On Be/X-ray binaries with an intermediate-mass black hole
摘要
We adopt the tidal truncation model proposed by Negueruela and Okazaki for Be/X-ray binaries to investigate the influence of intermediate-mass black holes(IMBHs)on Be-star disks.We show that the viscous decretion disks around Be stars are generally truncated ineffectively under the tidal force of IMBHs.Combining this with observations of Be/X-ray binaries,we suggest that Be/IMBH X-ray binaries may appear as recurrent luminous X-ray transients with quasi-periodic X-ray outbursts.
基金
supported by the National Natural Science Foundation of China(Grant No.10873008)
the National Basic Research Program of China(973 Program 2009CB824800)
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