Search results for "Burst astrophysic"

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Search for Gravitational-wave Signals Associated with Gamma-Ray Bursts during the Second Observing Run of Advanced LIGO and Advanced Virgo

2019

We present the results of targeted searches for gravitational-wave transients associated with gamma-ray bursts during the second observing run of Advanced LIGO and Advanced Virgo, which took place from 2016 November to 2017 August. We have analyzed 98 gamma-ray bursts using an unmodeled search method that searches for generic transient gravitational waves and 42 with a modeled search method that targets compact-binary mergers as progenitors of short gamma-ray bursts. Both methods clearly detect the previously reported binary merger signal GW170817, with p-values of <9.38 10-6 (modeled) and 3.1 10-4 (unmodeled). We do not find any significant evidence for gravitational-wave signals associate…

Burst astrophysicAstrofísicaneutron star: binary010504 meteorology & atmospheric sciencesBinary numberAstrophysics01 natural sciencesLIGOQCSUPERNOVArelativistic jetsQBHigh Energy Astrophysical Phenomena (astro-ph.HE)Settore FIS/01counterpartGRBGravitational waves (678)Physical SciencesRELATIVISTIC JETSAstrophysics - High Energy Astrophysical PhenomenaGravitational waveGravitationstarsblack-holeAstrophysics::High Energy Astrophysical PhenomenaGeneral Relativity and Quantum Cosmology (gr-qc)precursor activityGravitational wavesSettore FIS/05 - Astronomia e AstrofisicasupernovaCORE-COLLAPSEGamma-ray burstGravitational wave sourcesScience & TechnologyVirgoRCUKAstronomy and AstrophysicsHigh energy astrophysics (739)RedshiftDewey Decimal Classification::500 | Naturwissenschaften::520 | Astronomie Kartographiedetector: sensitivityVIRGOSpace and Planetary Sciencegravitational radiation: emissionBLACK-HOLEddc:520Gravitational wave astronomyGamma-ray burst[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]STARSGravitacióAstronomySignalGeneral Relativity and Quantum CosmologyBurst astrophysicslocalizationemission010303 astronomy & astrophysicsPhysicsDetectorGamma-ray bursts (629)[PHYS.GRQC]Physics [physics]/General Relativity and Quantum Cosmology [gr-qc]Gravitational wave sourcePRECURSOR ACTIVITYGamma-ray burstsLIGO (920)High energy astrophysicsdata analysis methodBurst astrophysics (187)FOS: Physical sciencesAstrophysics::Cosmology and Extragalactic Astrophysicsgamma ray: burstAstronomy & AstrophysicsMASSgravitational radiation: direct detectionGravitational wave astronomy Gravitational wave sources LIGO; Gravitational waves Gamma-ray bursts Burst astrophysics High energy astrophysicsGravitational wave astronomy (675)electromagnetic field: production0103 physical sciencesnumerical calculationsGRB; gravitational waves; LIGO; VirgoSTFC0105 earth and related environmental sciencesgravitational wavesneutron starsGravitational waveCOUNTERPARTgravitational radiationLIGOcore-collapsegravitational radiation detectorGravitational wave sources (677)radiationNeutron starPhysics and AstronomymassRADIATIONEMISSIONGravitational wave astronomy; Gravitational wave sources; LIGO; Gravitational waves; Gamma-ray bursts; Burst astrophysics; High energy astrophysics
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