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Accès ouvert déclaré 2016 article

Improved Analysis of GW150914 Using a Fully Spin-Precessing Waveform Model

166Citations signalées, ce qui n’est pas une note de qualité
149Institutions déclarées
23Pays d’affiliation déclarés

Rattachement africain : us, it, fr, de, nl, no, br, in, au, gb, hu, ru, rs, pl, jp, cn, tw, kr, es, ca, hk, ar, mx. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

This paper presents updated estimates of source parameters for GW150914, a binary black-hole coalescence event detected by the Laser Interferometer Gravitational-wave Observatory (LIGO) in 2015 [Abbott , 061102 (2016).]. Abbott [ , 241102 (2016).] presented parameter estimation of the source using a 13-dimensional, phenomenological precessing-spin model (precessing IMRPhenom) and an 11-dimensional nonprecessing effective-one-body (EOB) model calibrated to numerical-relativity simulations, which forces spin alignment (nonprecessing EOBNR). Here, we present new results that include a 15-dimensional precessing-spin waveform model (precessing EOBNR) developed within the EOB formalism. We find good agreement with the parameters estimated previously [Abbott , 241102 (2016).], and we quote updated component masses of 35 − 3 + 5 M ⊙ and 3 0 − 4 + 3 M ⊙ (where errors correspond to 90% symmetric credible intervals). We also present slightly tighter constraints on the dimensionless spin magnitudes of the two black holes, with a primary spin estimate < 0.65 and a secondary spin estimate < 0.75 at 90% probability. Abbott [ , 241102 (2016).] estimated the systematic parameter-extraction errors due to waveform-model uncertainty by combining the posterior probability densities of precessing IMRPhenom and nonprecessing EOBNR. Here, we find that the two precessing-spin models are in closer agreement, suggesting that these systematic errors are smaller than previously quoted. Published by the American Physical Society 2016

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Improved Analysis of GW150914 Using a Fully Spin-Precessing Waveform Model
Date Crossref
21/10/2016
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

California Institute of TechnologyLouisiana State UniversityAmerican UniversityUniversity of SalernoIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of FloridaLIGO Scientific CollaborationUniversité Savoie Mont BlancUniversity of SannioMax Planck Institute for Gravitational PhysicsNational Institute for Subatomic PhysicsVitenparkenMassachusetts Institute of TechnologyInstituto Nacional de Pesquisas EspaciaisIstituto Nazionale di Fisica Nucleare, Roma Tor VergataGran 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 UniversityUniversity of MississippiCalifornia State University, FullertonUniversité Paris-SaclayChennai Mathematical InstituteUniversity of Rome Tor VergataUniversity of SouthamptonUniversität HamburgIstituto Nazionale di Fisica Nucleare, Sezione di Roma IDélégation Paris 7Université Paris CitéMontana State UniversityUniversity of PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaEuropean Gravitational ObservatorySyracuse UniversityUniversity of GlasgowInstitute for Particle and Nuclear PhysicsHUN-REN Wigner Research Centre for PhysicsColumbia UniversityStanford UniversityUniversity of PaduaIstituto Nazionale di Fisica Nucleare, Sezione di PadovaUniversity of BirminghamIstituto Nazionale di Fisica Nucleare, Sezione di GenovaUniversity of GenoaRaja Ramanna Centre for Advanced TechnologyLomonosov Moscow State UniversityUniversity of the West of ScotlandThe University of Western AustraliaRadboud University NijmegenUniversité Côte d'AzurObservatoire de la Côte d’AzurInstitut de Physique de RennesWashington State UniversityUniversity of UrbinoIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeUniversity of OregonSorbonne UniversitéCarleton CollegeAstronomical ObservatoryUniversity of WarsawVrije Universiteit AmsterdamUniversity of Maryland, College ParkGeorgia Institute of TechnologyLyon 1 UniversitéLaboratoire des Matériaux AvancésGoddard Space Flight CenterThe University of TokyoTsinghua UniversityTexas Tech UniversityPennsylvania State UniversityNational Tsing Hua UniversityCharles Sturt UniversityWest Virginia UniversityUniversity of ChicagoKorea Institute of Science & Technology InformationSapienza University of RomeSonoma State UniversityNorthwestern UniversityUniversity of MinnesotaUniversity of Minnesota SystemThe University of MelbourneInstitute for Plasma ResearchUniversity of SheffieldThe University of Texas Rio Grande ValleyUniversity of TrentoIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsCardiff UniversityMontclair State UniversityEötvös Loránd UniversityNational Astronomical Observatory of JapanUniversity of EdinburghIndian Institute of Technology GandhinagarUniversity of SzegedEmbry–Riddle Aeronautical UniversityAstronomical Observatory of CapodimonteNational Institute for AstrophysicsUniversity of MichiganRochester Institute of TechnologyUniversity of Illinois Urbana-ChampaignFundació Universitat-Empresa de les Illes BalearsUniversitat de les Illes BalearsUniversity of BiałystokUniversity of StrathclydeIndian Institute of Science Education and Research ThiruvananthapuramUniversity of TorontoCanadian Institute for Theoretical AstrophysicsInstitute of Applied PhysicsPusan National UniversityHanyang UniversityThe University of AdelaideInstitute of MathematicsNational Centre for Nuclear ResearchAustralian Regenerative Medicine InstituteMonash UniversitySeoul National UniversityChinese University of Hong KongUniversity of Alabama in HuntsvilleUniversity of Massachusetts AmherstCentre National de la Recherche ScientifiqueESPCI ParisUniversità di CamerinoSouthern University and Agricultural and Mechanical CollegeWilliam & MaryWilliams (United States)Instituto de Investigaciones Fisicoquímicas Teóricas y AplicadasUniversity of CambridgeIndian Institute of Science Education and Research KolkataRutherford Appleton LaboratoryWhitman CollegeNational Institute for Mathematical SciencesUniversité de LyonHobart and William Smith CollegesUniversity of Zielona GóraUniversity of LondonKing's College LondonUniversidad de LondresUniversity College LondonAndrews UniversityUniversity of SienaTrinity UniversityUniversity of WashingtonKenyon CollegeAbilene Christian UniversityCornell University

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Les sujets associés

Pulsars and Gravitational Waves ResearchGamma-ray bursts and supernovaeAstrophysical Phenomena and Observations

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