论文标题

紧凑型二进制合并的残余黑洞的质量,自旋和旋转能

The mass, spin and rotational energy of the remnant black holes from compact binary mergers

论文作者

Deng, Can-Min

论文摘要

最近,Ligo检测到了紧凑型二元合并的许多重力波事件。确定残余黑洞(RBH)的最终质量和自旋是一个基本问题,在天体物理学中也很重要。在本文中,提出了用于预测紧凑型二进制合并的RBH的最终质量和自旋的统一模型。这些模型在关注的参数范围内达到了良好的精度。此外,还研究了与合并的电磁对应物有关的RBHS的旋转能。发现从不同类型的紧凑型二元合并中,RBH的旋转能的分布具有其自身的特征,这可能有助于识别与合并相关的电磁对应物。

Recently, many gravitational wave events from compact binary mergers have been detected by LIGO. Determining the final mass and spin of the remnant black holes (RBHs) is a fundamental issue and is also important in astrophysics. In this paper, unified models for predicting the final mass and spin of the RBHs from compact binary mergers is proposed. The models achieve a good accuracy within the parameter range of interest. In addition, the rotational energy of the RBHs is also studied which is relevant to the electromagnetic counterparts of the mergers. It is found the distribution of the rotational energy of the RBHs from different types of mergers of compact binary has its own characteristics, which might help identify the electromagnetic counterparts associated with the mergers.

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