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Search for gravitational waves associated with gamma-ray bursts detected by Fermi and Swift during the LIGOVirgo run O3a

Abbott, R, Abbott, TD and Siellez, K 2021 , 'Search for gravitational waves associated with gamma-ray bursts detected by Fermi and Swift during the LIGOVirgo run O3a' , The Astrophysical Journal, vol. 915, no. 2 , doi: 10.3847/1538-4357/abee15.

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Abstract

We search for gravitational-wave transients associated with gamma-ray bursts (GRBs) detected by the Fermi and Swift satellites during the first part of the third observing run of Advanced LIGO and Advanced Virgo (2019 April 1 15:00 UTC2019 October 1 15:00 UTC). A total of 105 GRBs were analyzed using a search for generic gravitational-wave transients; 32 GRBs were analyzed with a search that specifically targets neutron star binary mergers as short GRB progenitors. We find no significant evidence for gravitational-wave signals associated with the GRBs that we followed up, nor for a population of unidentified subthreshold signals. We consider several source types and signal morphologies, and report for these lower bounds on the distance to each GRB.

Item Type: Article
Authors/Creators:Abbott, R and Abbott, TD and Siellez, K
Keywords: gravitational waves, gravitational wave astronomy, LIGO, gamma-ray bursts, compact binary stars, neutron stars, black holes
Journal or Publication Title: The Astrophysical Journal
Publisher: Univ Chicago Press
ISSN: 0004-637X
DOI / ID Number: 10.3847/1538-4357/abee15
Copyright Information:

Copyright (2021) The Author(s).

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