Angular Power Spectrum of Gravitational-Wave Transient Sources as a Probe of the Large-Scale Structure

被引：1

作者：

Zheng, Yanyan ^{[1
]}

Kouvatsos, Nikolaos ^{[2
]}

Golomb, Jacob ^{[3
,4
]}

Cavaglia, Marco ^{[1
]}

Renzini, Arianna I. ^{[3
,4
]}

Sakellariadou, Mairi ^{[2
]}

机构：

[1] Missouri Univ Sci & Technol, Inst Multimessenger Astrophys & Cosmol, Phys Bldg 1315 North Pine St, Rolla, MO 65409 USA

[2] Univ London, Kings Coll London, Phys Dept, Theoret Particle Phys & Cosmol Grp, London WC2R 2LS, England

[3] CALTECH, LIGO Lab, Pasadena, CA 91125 USA

[4] CALTECH, Dept Phys, Pasadena, CA 91125 USA

来源：

PHYSICAL REVIEW LETTERS | 2023年 / 131卷 / 17期

基金：

美国国家科学基金会;

关键词：

All Open Access; Hybrid Gold; Green;

D O I：

10.1103/PhysRevLett.131.171403

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a new, simulation-based inference method to compute the angular power spectrum of the distribution of foreground gravitational-wave transient events. As a first application of this method, we use the binary black hole mergers observed during the LIGO, Virgo, and KAGRA third observation run to test the spatial distribution of these sources. We find no evidence for anisotropy in their angular distribution. We discuss further applications of this method to investigate other gravitational-wave source populations and their correlations to the cosmological large-scale structure.

引用

页数：6

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