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Accès ouvert déclaré 2017 article

GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral

9812Citations signalées — pas une note de qualité
177Institutions déclarées
27Pays d’affiliation déclarés

Résumé fourni par la source

On August 17, 2017 at 12∶41:04 UTC the Advanced LIGO and Advanced Virgo gravitational-wave detectors made their first observation of a binary neutron star inspiral. The signal, GW170817, was detected with a combined signal-to-noise ratio of 32.4 and a false-alarm-rate estimate of less than one per 8.0×10^{4} years. We infer the component masses of the binary to be between 0.86 and 2.26 M_{⊙}, in agreement with masses of known neutron stars. Restricting the component spins to the range inferred in binary neutron stars, we find the component masses to be in the range 1.17-1.60 M_{⊙}, with the total mass of the system 2.74_{-0.01}^{+0.04}M_{⊙}. The source was localized within a sky region of 28 deg^{2} (90% probability) and had a luminosity distance of 40_{-14}^{+8} Mpc, the closest and most precisely localized gravitational-wave signal yet. The association with the γ-ray burst GRB 170817A, detected by Fermi-GBM 1.7 s after the coalescence, corroborates the hypothesis of a neutron star merger and provides the first direct evidence of a link between these mergers and short γ-ray bursts. Subsequent identification of transient counterparts across the electromagnetic spectrum in the same location further supports the interpretation of this event as a neutron star merger. This unprecedented joint gravitational and electromagnetic observation provides insight into astrophysics, dense matter, gravitation, and cosmology.

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Contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral
Date Crossref
16/10/2017
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 ne compte pas comme une seconde source scientifique indépendante.

Institutions déclarées

California Institute of TechnologyLouisiana State UniversityUniversity of SalernoIstituto Nazionale di Fisica Nucleare, Sezione di NapoliAustralian Regenerative Medicine InstituteUniversity of FloridaARC Centre of Excellence for Gravitational Wave DiscoveryMonash UniversityLIGO Scientific CollaborationUniversité Savoie Mont BlancUniversity of SannioMax Planck Institute for Gravitational PhysicsUniversity of MississippiUniversity of Illinois Urbana-ChampaignUniversity of CambridgeNational Institute for Subatomic PhysicsVitenparkenMassachusetts Institute of TechnologyInstituto Nacional de Pesquisas EspaciaisIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran SassoGran Sasso Science InstituteInter-University Centre for Astronomy and AstrophysicsTata Institute of Fundamental ResearchInternational Centre for Theoretical SciencesLeibniz University HannoverUniversity of Wisconsin–MilwaukeeUniversity of PisaIstituto Nazionale di Fisica Nucleare, Sezione di PisaAustralian National UniversityLaboratoire des Matériaux AvancésUniversity of the West of ScotlandUniversité Paris-SudCalifornia State University, FullertonEuropean Gravitational ObservatoryChennai Mathematical InstituteUniversity of Rome Tor VergataIstituto Nazionale di Fisica Nucleare, Roma Tor VergataUniversität HamburgIstituto Nazionale di Fisica Nucleare, Sezione di Roma ICardiff UniversityEmbry–Riddle Aeronautical UniversityDélégation Paris 7Université Paris CitéKorea Institute of Science & Technology InformationSwinburne University of TechnologyWest Virginia UniversityUniversity of PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaSyracuse UniversityUniversity of MinnesotaUniversity of Minnesota SystemUniversity of GlasgowHUN-REN Wigner Research Centre for PhysicsGoddard Space Flight CenterColumbia UniversityStanford UniversityUniversità di CamerinoUniversity of PaduaIstituto Nazionale di Fisica Nucleare, Sezione di PadovaEötvös Loránd UniversityNicolaus Copernicus Astronomical CenterPolish Academy of SciencesUniversity of ParmaIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaRochester Institute of TechnologyUniversity of BirminghamIstituto Nazionale di Fisica Nucleare, Sezione di GenovaRaja Ramanna Centre for Advanced TechnologyLomonosov Moscow State UniversityUniversity of StrathclydePennsylvania State UniversityThe University of Western AustraliaRadboud University NijmegenUniversité Côte d'AzurObservatoire de la Côte d’AzurFonctions Optiques pour les Technologies de l’informationWashington State UniversityUniversity of OregonLaboratoire Kastler BrosselCarleton CollegeThe University of AdelaideAstronomical ObservatoryUniversity of WarsawVrije Universiteit AmsterdamUniversity of Maryland, College ParkGeorgia Institute of TechnologyLyon 1 UniversitéUniversity of Naples Federico IIUniversity of GenoaThe University of TokyoTsinghua UniversityTexas Tech UniversityKenyon CollegeUniversitat de ValènciaCentro Ricerche Enrico FermiNational Tsing Hua UniversityCharles Sturt UniversityNorthwestern UniversityUniversity of TorontoCanadian Institute for Theoretical AstrophysicsUniversity of ChicagoPusan National UniversityChinese University of Hong KongIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsOsservatorio Astronomico di PadovaThe University of MelbourneSapienza University of RomeUniversité Libre de BruxellesSonoma State UniversityMontana State UniversityFundació Universitat-Empresa de les Illes BalearsUniversitat de les Illes BalearsThe University of Texas Rio Grande ValleyBellevue CollegeInstitute for Plasma ResearchUniversity of SheffieldCalifornia State University SystemCalifornia State University Los AngelesUniversity of TrentoMontclair State UniversityNational Astronomical Observatory of JapanUniversity of EdinburghIndian Institute of Advanced ResearchAdvanced Research InstituteIndian Institute of Science Education and Research ThiruvananthapuramUniversity of SzegedUniversity of MichiganAstronomical Observatory of CapodimonteUniversity of UrbinoIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeUniversity of ZurichAmerican UniversityUniversity of SouthamptonUniversity of BiałystokUniversity of Washington BothellInstitute of Applied PhysicsKorea Astronomy and Space Science InstituteInje UniversityNational Institute for Mathematical SciencesInstitute of Mathematics and InformaticsCzech Academy of Sciences, Institute of MathematicsInstitute of MathematicsNational Centre for Nuclear ResearchHillsdale CollegeSeoul National UniversityHanyang UniversityMarshall Space Flight CenterCentre National de la Recherche ScientifiqueESPCI ParisSouthern University and Agricultural and Mechanical CollegeWilliam & MaryWilliams (United States)Scientific Centre of MonacoIndian Institute of Technology MadrasIstituto Nazionale di Fisica Nucleare, Sezione di TorinoInstitut des Hautes Études ScientifiquesIndian Institute of Science Education and Research KolkataWhitman CollegeIndian Institute of Technology BombayScuola Normale SuperioreUniversité de LyonHobart and William Smith CollegesUniversity of Zielona GóraUniversity of WashingtonUniversity of LondonKing's College LondonUniversidad de LondresUniversity College LondonIndian Institute of Technology GandhinagarIndian Institute of Technology HyderabadUniversidade Federal do Rio Grande do NorteFZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicAndrews UniversityUniversity of SienaTrinity UniversityAbilene Christian UniversityColorado State University

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Sujets associés

Pulsars and Gravitational Waves ResearchGamma-ray bursts and supernovaeAstrophysics and Cosmic Phenomena

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