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  Stochastic gravitational wave background anisotropies: astrophysical dependencies in the LIGO/Virgo and LISA bands

Cusin, G., Dvorkin, I., Pitrou, C., & Uzan, J.-P. (in preparation). Stochastic gravitational wave background anisotropies: astrophysical dependencies in the LIGO/Virgo and LISA bands.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-9F1A-E Version Permalink: http://hdl.handle.net/21.11116/0000-0003-9F1B-D
Genre: Paper

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1904.07757.pdf (Preprint), 496KB
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 Creators:
Cusin , Giulia, Author
Dvorkin, I.1, Author              
Pitrou , Cyril, Author
Uzan , Jean-Philippe, Author
Affiliations:
1Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              

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Free keywords: Astrophysics, Cosmology and Extragalactic Astrophysics, astro-ph.CO, Astrophysics, Galaxy Astrophysics, astro-ph.GA
 Abstract: This letter characterizes the properties of the angular power spectrum in both the LIGO/Virgo and LISA frequency bands. It explores a wide range of self-consistent astrophysical models all calibrated such that they predict the same number of resolved mergers to fit the actual LIGO/Virgo number of detections during O1+O2 observations runs. It shows that the anisotropies depend on various ingredients of the astrophysical models, such as the black hole formation model, the distribution of initial binary parameters and the presence of a mass gap in the black hole mass distribution. This indicates that the anisotropies of the stochastic background contain additional information on sub-galactic processes, complementary to the isotropic background and individual mergers. This letters also presents the first predictions of the anisotropies in the LISA frequency band.

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 Dates: 2019-04-16
 Publication Status: Not specified
 Pages: 5 pages, 3 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1904.07757
URI: http://arxiv.org/abs/1904.07757
 Degree: -

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