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GW230814: Investigation of a Loud Gravitational-wave Signal Observed with a Single Detector

5Citations signalées — pas une note de qualité
219Institutions déclarées
33Pays d’affiliation déclarés

Résumé fourni par la source

Abstract GW230814, detected by the LIGO Livingston observatory with a signal-to-noise ratio of 42.4, represents the loudest gravitational-wave signal in the GWTC-4.0 catalog. Its source is consistent with a binary black hole coalescence with component masses m 1 = 33 . 7 − 2.2 + 2.9 M ⊙ and m 2 = 28 . 2 − 3.1 + 2.2 M ⊙ and a small effective inspiral spin χ eff = − 0.0 1 − 0.07 + 0.06 . The high signal-to-noise ratio enabled us to detect an ℓ = ∣ m ∣ = 4 mode in the inspiral–merger–ringdown signal for the first time (with Bayes factor ≈10), as well as enabling a range of tests of consistency between theoretical predictions and the observed waveform. While most of these tests show agreement with theoretical predictions, there are suggestions of minor deviations in the ringdown phase. Simulations that incorporate general relativity and realistic detector noise reproduce similar deviations, suggesting that they do not constitute evidence for a breakdown of general relativity. The observation of GW230814 demonstrates that the unprecedented sensitivity of the detectors enables highly significant detections with a single observatory. However, without corroborating data from a multidetector network, the ability to draw rigorous conclusions about fundamental physics remains severely limited.

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Contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
GW230814: Investigation of a Loud Gravitational-wave Signal Observed with a Single Detector
Date Crossref
18/06/2026
Éditeur
American Astronomical Society
Type
journal-article

Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude et ne compte pas comme une seconde source scientifique indépendante.

Institutions déclarées

Max Planck Institute for Gravitational PhysicsIstituto di Farmacologia TraslazionaleUniversity of WarwickARC Centre of Excellence for Gravitational Wave DiscoveryPennsylvania State UniversityLeibniz University HannoverUniversity of Wisconsin–MilwaukeeLIGO Scientific CollaborationLouisiana State UniversityTata Institute of Fundamental ResearchCentre de Physique ThéoriqueCentre de Physique ThéoriqueUCLouvainQueen Mary University of LondonUniversity of California SystemUniversity of Minnesota SystemInstituto Nacional de Pesquisas EspaciaisUniversité Paris CitéUniversity of Rome Tor VergataUniversity of AntwerpInternational Centre for Theoretical SciencesIstituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversité Savoie Mont BlancUniversity of Naples Federico IICardiff UniversityMaastricht UniversityNational Institute for Subatomic PhysicsSapienza University of RomeAix-Marseille UniversitéUniversité Paris-SaclayThe University of TokyoInstitute for High Energy PhysicsGran Sasso Science InstituteUniversity of FloridaTecnológico de MonterreyInstitute for Cosmic Ray ResearchUniversità di CamerinoUniversity of WashingtonCalifornia State University, FullertonLyon 1 UniversitéGeorgia Institute of TechnologyChennai Mathematical InstituteRoyal Holloway University of LondonAstronomical Institute of the Slovak Academy of SciencesUniversity of UrbinoEuropean Gravitational ObservatoryUniversité de StrasbourgIstituto di Cibernetica “Eduardo Caianiello”King's College LondonKorea Institute of Science & Technology InformationHodges UniversityUniversity of PortsmouthUniversity of TrentoUniversity of PerugiaSyracuse UniversityInter-University Centre for Astronomy and AstrophysicsUniversity of PisaNational Institute of Astrophysics, Optics and ElectronicsInstitut d'Estudis Espacials de CatalunyaInstitut Català de Ciències del ClimaInstitut de Ciències del CosmosMedicinaInstitutul Geologic al RomânieiHUN-REN Wigner Research Centre for PhysicsConcordia University WisconsinStanford UniversityUniversity of MichiganUniversity of PaduaInstitute for Plasma ResearchGhent UniversityNicolaus Copernicus Astronomical CenterUniversität HamburgIAC (United States)Institut National de Physique Nucléaire et de Physique des ParticulesUniversity of SienaVillanova UniversityUniversity of BirminghamKenyon CollegeMissouri University of Science and TechnologyIndian Institute of Technology MadrasLomonosov Moscow State UniversityKU LeuvenRochester Institute of TechnologyUniversité Libre de BruxellesBar-Ilan UniversityUniversité Côte d'AzurObservatoire de la Côte d’AzurUniversity of British ColumbiaUniversité Rennes 2Université de RennesWashington State UniversityCornell UniversityLaboratoire Kastler BrosselChristopher Newport UniversityAstronomical ObservatoryUniversity of Maryland, College ParkUniversity of Milano-BicoccaUniversité de LyonUniversity of ChicagoUniversity of ArizonaUniversity of Massachusetts DartmouthUniversidad de GuadalajaraInstitute for Space Astrophysics and PlanetologyColorado State UniversityNational Central UniversityNational Tsing Hua UniversityVanderbilt UniversityInternational Centre for Theoretical Physics Asia-PacificKamchatka State University named after Vitus BeringCanadian Anesthesia Research FoundationUniversidad del NoresteIngegneria dei Sistemi (United Kingdom)Carleton CollegeUniversity of SzegedUniversity of CagliariNational Institute for AstrophysicsMontana State UniversityUniversity of UtahJohns Hopkins UniversityUniversity of Rhode IslandThe University of Texas Rio Grande ValleyUniversity of LiègeIstituto Nazionale di Fisica NucleareIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of BolognaUniversity of ManitobaIstituto Nazionale di Fisica Nucleare, Centro Nazionale Analisi FotogrammiUniversity of SassariLaboratoire de Physique de Clermont AuvergneNormandie UniversitéUniversity of SheffieldUniversity of FlorenceCalifornia State University SystemMarquette UniversityPerimeter InstituteDepartment of Mines and PetroleumVrije Universiteit BrusselUniversity of ZurichCanadian Institute for Theoretical AstrophysicsStony Brook UniversityMontclair State UniversityIndian Institute of Technology BombayUniversity of MinhoSuperconducting and other Innovative Materials and Devices InstituteWestern Washington UniversityBarry UniversityCentra HealthEötvös Loránd UniversityUniversity of SannioConsejo Superior de Investigaciones CientíficasLe Mans UniversitéLaboratoire d'Acoustique de l'Université du MansUniversity of SouthamptonUniversity of Nevada, RenoUniversity of NottinghamAriel UniversityUniversity of MississippiGraduate School USAChinese University of Hong KongAmerican UniversityUniversity of CambridgeLancaster University GhanaCollege of Industrial TechnologyFaculty (United Kingdom)Engineering (Italy)Rutherford Appleton LaboratoryHelmut Schmidt UniversityInstitute for Theoretical and Experimental PhysicsObservatoire astronomique de StrasbourgAstronomy and SpaceNational Astronomical ObservatoriesSungkyunkwan UniversityChung-Ang UniversityUniversity of Washington BothellEwha Womans University Medical CenterNational Institute for Mathematical SciencesKorea Astronomy and Space Science InstituteInstitute of Particle and Nuclear StudiesNagoya UniversityBard CollegeTechnische Universität BraunschweigInstitute of Mathematics and InformaticsCzech Academy of Sciences, Institute of MathematicsIstituto Nazionale di Fisica Nucleare, Sezione di PadovaPolytechnique MontréalUniversité de MontréalSeoul National UniversitySimulation Technologies (United States)System Simulation (United Kingdom)Thomas UniversityScuola Normale SuperioreInstitució Catalana de Recerca i Estudis AvançatsMax Planck Institute for AstrophysicsNational Center of Space Research and TechnologyTsinghua UniversityInstitut des Hautes Études ScientifiquesUniversity of StavangerUniversity College LondonObservatoire de ParisLaboratoire Univers et ThéoriesCentral Glass and Ceramic Research InstituteInstitute for Complex SystemsHobart and William Smith CollegesCentro Ricerche Enrico FermiKennesaw State UniversityLaboratoire de Physique Subatomique et des Technologies AssociéesUniversidad de AntioquiaEuropean Telecommunications Standards InstituteIEEE France sectionInstitute of Electronic Control MachinesTerraLaboratoire Modélisation et Simulation Multi-EchelleGoddard Space Flight CenterLaboratoire de Physique de l'Ecole Normale SupérieureInstituto de Física TeóricaYukawa Institute for Theoretical PhysicsUniversity of CataniaEindhoven University of TechnologyKavli Institute for the Physics and Mathematics of the Universe

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Sujets associés

Pulsars and Gravitational Waves ResearchAstrophysical Phenomena and ObservationsRelativity and Gravitational Theory

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