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The recent discovery of a kilonova associated with an apparent long-durationgamma-ray burst has challenged the typical classification that long gamma-raybursts originate from the core collapse of massive stars and short gamma-raybursts are from compact binary coalescence. The kilonova indicates a neutronstar merger origin and suggests the viability of gravitational-wave and longgamma-ray burst multimessenger astronomy. Gravitational waves play a crucialrole by providing independent information for the source properties. This workrevisits the archival 2015-2020 LIGO/Virgo gravitational-wave candidates fromthe 4-OGC catalog which are consistent with a binary neutron star or neutronstar-black hole merger and the long-duration gamma-ray bursts from theFermi-GBM and Swift-BAT catalogs. We search for spatial and temporalcoincidence with up to 10 s time lag between gravitational-wave candidates andthe onset of long-duration gamma-ray bursts. The most significant candidateassociation has only a false alarm rate of once every two years; given theLIGO/Virgo observational period, this is consistent with a null result. Wereport an exclusion distance for each search candidate for a fiducialgravitational-wave signal and conservative viewing angle assumptions.

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