球状星团中的吸积效应

Accretion Effects in A Globular Cluster

本文从广义相对论出发,考虑了球状星团中黑洞的吸积效应;研究了球状星团中核区部分的演化;导出了演化方程。其结果表明,当球状星团中心具有大质量黑洞时,核将迅速收缩并辐射X射线,当中心黑洞质量很小或无黑洞时,核将膨胀并不能辐射X射线。

From the general theory of relativity, the accretion effects of the blackhole in a globular cluster are considered, the evolution of the core region ofthe cluster is studied and the evolution equations have been obtained. The results. show that when there is a massive black hole at the centre of the globular cluster, the core will rapidly contract and radiate X-rays, and that when there is no black hole or only a black hole with small mass at the centre, the core will expand and can not radiate any X-ray.