Gravitational-Wave Astronomy: Astrophysical and Cosmological Results

被引：0
作者：
Postnov, K. A. [1 ,2 ]
Mitichkin, N. A. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Sternberg Astron Inst, Moscow 119234, Russia
[2] Novosibirsk State Univ, Novosibirsk 630090, Russia
来源：
PHYSICS OF PARTICLES AND NUCLEI LETTERS | 2023年 / 20卷 / 03期
基金：
俄罗斯科学基金会;
关键词：
BLACK-HOLES; MASS; MERGERS; SEARCH; STARS; HOT;
D O I：
10.1134/S1547477123030536
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We briefly discuss the most prominent results and specific sources detected by LIGO-Virgo gravitational-wave observatories during the first three O1-O3 runs, as well as possible astrophysical and cosmological channels of their formation. We show that it is possible to explain the observed correlation between the effective spin of coalescing binary black holes and mass ratio of the components by accretion from the ambient medium onto primordial binary black holes. We also briefly discuss the recent results of searches for stochastic gravitational-wave background in the nanohertz frequency band by pulsar timing arrays.
引用
收藏
页码：213 / 217
页数：5
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