Journal article

Detecting the anisotropic astrophysical gravitational wave background in the presence of shot noise through cross-correlations

Abstract:: The spatial and temporal discreteness of gravitational wave sources leads to shot noise that may, in some regimes, swamp any attempts at measuring the anisotropy of the gravitational wave background. Cross-correlating a gravitational wave background map with a sufficiently dense galaxy survey can alleviate this issue, and potentially recover some of the underlying properties of the gravitational wave background. We quantify the shot noise level and we explicitly show that cross-correlating the gravitational wave background and a galaxy catalog improves the chances of a first detection of the background anisotropy with a gravitational wave observatory operating in the frequency range (10 Hz, 100 Hz), given sufficient sensitivity.

Publication status:: Published

Peer review status:: Peer reviewed

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APA Style

Alonso, D., Cusin, G., Ferreira, P. G., & Pitrou, C. (2020). Detecting the anisotropic astrophysical gravitational wave background in the presence of shot noise through cross-correlations. Physical Review D, 102(2).

MLA Style

Alonso, D., et al. “Detecting the Anisotropic Astrophysical Gravitational Wave Background in the Presence of Shot Noise through Cross-Correlations.” Physical Review D, vol. 102, no. 2, American Physical Society, 2020.

Chicago Style

Alonso, D, G Cusin, PG Ferreira, and C Pitrou. 2020. “Detecting the Anisotropic Astrophysical Gravitational Wave Background in the Presence of Shot Noise through Cross-Correlations.” Physical Review D 102 (2).
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Files:: PhysRevD.102.023002.pdf

(Preview, Version of record, 244.9KB, Terms of use)

Publisher copy:: 10.1103/PhysRevD.102.023002

Authors

+ Alonso, D More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Physics
Sub department:: Astrophysics
Role:: Author
ORCID:: 0000-0002-4598-9719

+ Cusin, G More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Physics
Sub department:: Astrophysics
Role:: Author

+ Ferreira, PG More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Physics
Sub department:: Astrophysics
Role:: Author
ORCID:: 0000-0002-3021-2851

+ Pitrou, C More by this author

Role:: Author

Publisher:: American Physical Society
Journal:: Physical Review D More from this journal
Volume:: 102
Issue:: 2
Article number:: 23002
Publication date:: 2020-07-01
Acceptance date:: 2020-06-09
DOI:: 10.1103/PhysRevD.102.023002
EISSN:: 1550-2368
ISSN:: 1550-7998

Language:: English
Keywords:: FFR
Pubs id:: 1122407
Local pid:: pubs:1122407
Deposit date:: 2020-08-10

Terms of use

Copyright holder:: American Physical Society
Copyright date:: 2020
Rights statement:: © 2020 American Physical Society.
Notes:: This is the publisher's version of the article. The final version is available online from the American Physical Society at: https://doi.org/10.1103/PhysRevD.102.023002

Licence:: Terms and Conditions of Use for Oxford University Research Archive

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