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Search for Coincident Gravitational Wave and Long Gamma-Ray Bursts from 4-OGC and the Fermi-GBM/Swift-BAT Catalog

MPS-Authors
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Wang,  Yi-Fan
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Nitz,  Alexander H.
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Capano,  Collin
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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2208.03279.pdf
(Preprint), 599KB

Wang_2022_ApJL_939_L14.pdf
(Publisher version), 460KB

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Citation

Wang, Y.-F., Nitz, A. H., Capano, C., Wang, X. I., Yang, Y.-H., & Zhang, B.-B. (2022). Search for Coincident Gravitational Wave and Long Gamma-Ray Bursts from 4-OGC and the Fermi-GBM/Swift-BAT Catalog. The Astrophysical Journal Letters, 939(1): L14. doi:10.3847/2041-8213/ac990c.


Cite as: https://hdl.handle.net/21.11116/0000-000B-70A8-9
Abstract
The recent discovery of a kilonova associated with an apparent long-duration
gamma-ray burst has challenged the typical classification that long gamma-ray
bursts originate from the core collapse of massive stars and short gamma-ray
bursts are from compact binary coalescence. The kilonova indicates a neutron
star merger origin and suggests the viability of gravitational-wave and long
gamma-ray burst multimessenger astronomy. Gravitational waves play a crucial
role by providing independent information for the source properties. This work
revisits the archival 2015-2020 LIGO/Virgo gravitational-wave candidates from
the 4-OGC catalog which are consistent with a binary neutron star or neutron
star-black hole merger and the long-duration gamma-ray bursts from the
Fermi-GBM and Swift-BAT catalogs. We search for spatial and temporal
coincidence with up to 10 s time lag between gravitational-wave candidates and
the onset of long-duration gamma-ray bursts. The most significant candidate
association has only a false alarm rate of once every two years; given the
LIGO/Virgo observational period, this is consistent with a null result. We
report an exclusion distance for each search candidate for a fiducial
gravitational-wave signal and conservative viewing angle assumptions.