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GW240925 and GW250207: Astrophysical Calibration of Gravitational Wave Detectors

2Citations signalées, ce qui n’est pas une note de qualité
261Institutions déclarées
30Pays d’affiliation déclarés

Rattachement africain : de, it, gb, au, us, in, fr, be, br, jp, nl, mx, kr, es, hu, pl, ru, il, ca, tw, cn, ch, pt, hk, Ghana, Nigéria, gr, vn, no, co. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

GW240925 and GW250207 are two loud gravitational-wave signals from binary black hole coalescences observed with network signal-to-noise ratios ∼32 and ∼69, respectively, by the LIGO Hanford-LIGO Livingston-Virgo network. Gravitational-wave signals from coalescing binaries have characteristic phase and amplitude evolution predicted by general relativity. These signal waveforms, together with measured instrumental calibration uncertainties, are used to infer source parameters. However, for sufficiently loud detections, it is possible to constrain the calibration of the detectors directly using the signals themselves. We present the first informative astrophysical measurements of gravitational-wave detector calibration. For GW240925, we verify the inference of Hanford calibration from the astrophysical signal through cross-checks with known calibration errors obtained from in situ measurements. At the time of GW250207, the Hanford detector was not fully stabilized, leading to elevated calibration uncertainties; thus, astrophysical calibration is essential to obtain accurate data and to enable source localization. These well-localized, high signal-to-noise observations have the potential to offer precise measurements of source properties, stringent tests of general relativity, and informative dark siren measurements, provided that calibration uncertainties are properly incorporated. As detector sensitivity improves, astrophysical calibration will become an increasingly valuable complement to in situ calibration measurements. Obtaining accurate calibration will be essential for precision gravitational-wave science.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
GW240925 and GW250207: Astrophysical Calibration of Gravitational Wave Detectors
Date Crossref
13/08/2026
Éditeur
American Physical Society (APS)
Type
journal-article

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

Les institutions déclarées

Max Planck Institute for Gravitational PhysicsUniversity of SalernoUniversity of WarwickThe University of Western AustraliaAustralian Regenerative Medicine InstituteMonash UniversityPennsylvania State UniversityLeibniz University HannoverUniversity of Wisconsin–MilwaukeeCalifornia Institute of TechnologyLouisiana State UniversityTata Institute of Fundamental ResearchAix-Marseille UniversitéUCLouvainQueen Mary University of LondonUniversity of California SystemUniversity of Minnesota SystemInstituto Nacional de Pesquisas EspaciaisUniversité Paris CitéUniversity of Rome Tor VergataUniversity of AntwerpNational Astronomical Observatory of JapanIstituto Nazionale di Fisica Nucleare, Sezione di TorinoFriedrich Schiller University JenaUniversität HamburgUniversity of GenoaUniversité Savoie Mont BlancUniversity of Naples Federico IICardiff UniversityAustralian National UniversityMassachusetts Institute of TechnologyMaastricht UniversityNational Institute for Subatomic PhysicsSapienza University of RomeUniversité Paris-SaclayThe University of TokyoIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran SassoGran Sasso Science InstituteUniversity of FloridaUniversity of UdineUniversità di CamerinoUniversity of WashingtonCalifornia State University, FullertonUniversity of StrathclydeLyon 1 UniversitéGeorgia Institute of TechnologyChennai Mathematical InstituteUniversidad de LondresThe Graduate University for Advanced Studies, SOKENDAIUniversity of UrbinoEuropean Gravitational ObservatoryLIGO Scientific CollaborationUniversité de StrasbourgKorea Institute of Science & Technology InformationThe University of OsakaHigh Energy Accelerator Research OrganizationUtrecht UniversityUniversity of PortsmouthIstituto Nazionale di Fisica NucleareIstituto Nazionale di Fisica Nucleare, Sezione di BolognaUniversity of TrentoUniversity of PerugiaSyracuse UniversityInter-University Centre for Astronomy and AstrophysicsUniversity of PisaInstitut d'Estudis Espacials de CatalunyaUniversitat de BarcelonaUniversity of GlasgowHUN-REN Wigner Research Centre for PhysicsStanford UniversityUniversity of MichiganUniversity of PaduaInstitute for Plasma ResearchGhent UniversityPolish Academy of SciencesKU LeuvenCentro de Investigaciones Energéticas, Medioambientales y TecnológicasUniversidad del NoresteInstitut National de Physique Nucléaire et de Physique des ParticulesUniversity of SienaVillanova UniversityUniversity of Maryland, College ParkKenyon CollegeMissouri University of Science and TechnologyVrije Universiteit AmsterdamLomonosov Moscow State UniversityRochester Institute of TechnologyUniversité Libre de BruxellesBar-Ilan UniversityPrinceton UniversityUniversité Côte d'AzurObservatoire de la Côte d’AzurUniversity of British ColumbiaChristopher Newport UniversityThe University of AdelaideUniversité Rennes 2Université de RennesUniversity of BirminghamUniversity of BolognaWashington State UniversityCornell UniversityUniversity of Rhode IslandSorbonne UniversitéLaboratoire MédiationsThe University of MelbourneUniversity of WarsawUniversity of Milano-BicoccaUniversité de LyonFundació Universitat-Empresa de les Illes BalearsUniversitat de les Illes BalearsUniversity of ChicagoBarcelona Institute of Science and TechnologyInstitute of Science and TechnologyUniversity of ArizonaUniversity of Massachusetts DartmouthInstitute for Space Astrophysics and PlanetologyUniversitat de ValènciaSwinburne University of TechnologyNational Central UniversityCharles Sturt UniversityVanderbilt UniversityNational Yang Ming Chiao Tung UniversityUniversity of Chinese Academy of SciencesNational Tsing Hua UniversityUniversity of ToyamaShanghaiTech UniversityCarleton CollegeUniversity of SzegedUniversity of CagliariBrera Astronomical ObservatoryMontana State UniversityUniversity of UtahJohns Hopkins UniversityThe University of Texas Rio Grande ValleyUniversity of LiègeUniversity of ManitobaOsservatorio Astrofisico di CataniaOsservatorio di Astrofisica e Scienza dello SpazioIstituto Nazionale di Fisica Nucleare, Centro Nazionale Analisi FotogrammiColorado State UniversityLaboratoire de Physique de Clermont AuvergneNormandie UniversitéUniversity of SheffieldLaboratoire des Matériaux AvancésWestern Washington UniversityUniversity of FlorenceUniversidade de Santiago de CompostelaUniversity of ParmaMarquette UniversityPerimeter InstituteScuola Normale SuperioreUniversité Paris Sciences et LettresUniversity of TriesteUniversity of SassariVrije Universiteit BrusselUniversity of ZurichUniversity of TorontoFlatiron Health (United States)Flatiron InstituteStony Brook UniversityMontclair State UniversityUniversity of MinhoSuperconducting and other Innovative Materials and Devices InstituteUniversity of BasilicataUniversity of the West of ScotlandBarry UniversityEötvös Loránd UniversityOsaka Metropolitan UniversityUniversity of SannioCalifornia State University SystemUniversidad Autónoma de MadridIstituto Nazionale di Geofisica e VulcanologiaNational Institute for AstrophysicsLe Mans UniversitéLaboratoire d'Acoustique de l'Université du MansUniversity of SouthamptonRoma Tre UniversityUniversity of Nevada, RenoUniversity of NottinghamAriel UniversityUniversity of MississippiInstitute of Science TokyoChinese University of Hong KongNational Institute of Technology AgartalaAmerican UniversityUniversity of MilanFukuoka UniversityUniversity of CambridgeLancaster University GhanaNihon UniversityNiigata UniversitySaha Institute of Nuclear PhysicsTamkang UniversityRutherford Appleton LaboratoryAoyama Gakuin UniversityNagoya UniversityHelmut Schmidt UniversityUniversity of BiałystokChinese Academy of SciencesSungkyunkwan UniversityUlsan National Institute of Science and TechnologyChung-Ang UniversityUniversity of Washington BothellJoseph Ayo Babalola UniversityEwha Womans University Medical CenterNational Institute for Mathematical SciencesKorea Astronomy and Space Science InstituteChungnam National UniversityAristotle University of ThessalonikiBard CollegeTechnische Universität BraunschweigJagiellonian UniversityPolytechnique MontréalUniversité de MontréalInje UniversityUniversité Gustave EiffelNational Cheng Kung UniversityThomas UniversityInstitució Catalana de Recerca i Estudis AvançatsInstitute for High Energy PhysicsHeidelberg UniversityTokyo City UniversityTsinghua UniversityUniversidad de GuadalajaraInstitut des Hautes Études ScientifiquesRyukoku UniversityPhenikaa UniversityUniversity of StavangerHiroshima UniversityUniversity of AmsterdamUniversity College LondonObservatoire de ParisThe Open University of JapanCentral Glass and Ceramic Research InstituteInstitute for Complex SystemsYonsei UniversityHobart and William Smith CollegesOsservatorio Astronomico di PadovaCentro Ricerche Enrico FermiKennesaw State UniversityVictoria CollegeCentre National de la Recherche ScientifiqueIMT AtlantiqueUniversidad de AntioquiaUniversidad Politécnica de MadridUniversity of FerraraToho UniversitySeoul National UniversityPeking UniversityLaboratoire Modélisation et Simulation Multi-EchelleOsaka Institute of TechnologyGoddard Space Flight CenterKōchi UniversityLaboratoire de Physique de l'Ecole Normale SupérieureKyoto UniversityUniversity of CataniaNational Defense Academy of JapanEindhoven University of TechnologyConcordia University WisconsinBeijing Normal UniversityWuhan University

Une affiliation ne permet pas de déduire la nationalité d’un auteur.

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