0000000001160447

AUTHOR

L. -W. Wei

showing 2 related works from this author

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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A Fermi Gamma-Ray Burst Monitor Search for Electromagnetic Signals Coincident with Gravitational-wave Candidates in Advanced LIGO's First Observing R…

2019

We present a search for prompt gamma-ray counterparts to compact binary coalescence gravitational wave (GW) candidates from Advanced LIGO's first observing run (O1). As demonstrated by the multimessenger observations of GW170817/GRB 170817A, electromagnetic and GW observations provide complementary information about the astrophysical source and, in the case of weaker candidates, may strengthen the case for an astrophysical origin. Here we investigate low-significance GW candidates from the O1 compact-binary coalescence searches using the Fermi Gamma-ray Burst Monitor (GBM), leveraging its all-sky and broad energy coverage. Candidates are ranked and compared to background to measure signific…

AstrofísicaGravitacióAstronomyAstrophysics::High Energy Astrophysical Phenomenagamma-ray burst: generalFOS: Physical sciencesAstrophysicsAstronomy & Astrophysicsgeneral [gamma-ray burst]01 natural sciencesCoincidenceCoincident0103 physical sciences010306 general physics010303 astronomy & astrophysicsgravitational waveSTFCQCQBHigh Energy Astrophysical Phenomena (astro-ph.HE)Settore FIS/01Physicsastro-ph.HEScience & TechnologySolar flareGravitational wavegamma-ray burst: general; gravitational waves; Astronomy and Astrophysics; Space and Planetary ScienceRCUKAstronomy and AstrophysicsAstronomy and AstrophysicLIGOPhysics and Astronomygravitational wavesSpace and Planetary SciencePhysical Sciencesgamma-ray burst: general; gravitational wavesgeneral; gravitational waves; Astronomy and Astrophysics; Space and Planetary Science [gamma-ray burst]False alarmAstrophysics - High Energy Astrophysical PhenomenaGamma-ray burst[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]Fermi Gamma-ray Space Telescope
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