中文

异星 X 射线二体系统中千赫脉冲星振荡器 (QPOs) 的起源与解释:基于湍流动力学的描述

天体物理学 2009-11-07 v2 广义相对论与量子宇宙学

摘要

We model and interpret the Kilohertz QPOs from the hydrodynamical description of accretion disk around a rapidly rotating compact strange star. The higher QPO frequency is described by the viscous effects of accretion disk leading to shocks, while the lower one is taken to be the Keplerian motion of the accreting matter. Comparing our results with the observations for two of the fastest rotating compact stellar candidates namely, 4U~1636-53 and KS 1731-260, we find that they match to a very good approximation, thus interpreting them as strange stars.

关键词

引用

@article{arxiv.astro-ph/0211611,
  title  = {Origin and interpretation of kilohertz QPOs from strange stars in X-ray binary system: theoretical hydrodynamical description},
  author = {Banibrata Mukhopadhyay and Subharthi Ray and Jishnu Dey and Mira Dey},
  journal= {arXiv preprint arXiv:astro-ph/0211611},
  year   = {2009}
}

备注

5 pages including 1 figure; Accepted for publication in ApJLett