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Accès ouvert déclaré 2017 article

Estimating the Contribution of Dynamical Ejecta in the Kilonova Associated with GW170817

228Citations signalées, ce qui n’est pas une note de qualité
177Institutions déclarées
23Pays d’affiliation déclarés

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

Le résumé fourni par la source

Abstract The source of the gravitational-wave (GW) signal GW170817, very likely a binary neutron star merger, was also observed electromagnetically, providing the first multi-messenger observations of this type. The two-week-long electromagnetic (EM) counterpart had a signature indicative of an r -process-induced optical transient known as a kilonova. This Letter examines how the mass of the dynamical ejecta can be estimated without a direct electromagnetic observation of the kilonova, using GW measurements and a phenomenological model calibrated to numerical simulations of mergers with dynamical ejecta. Specifically, we apply the model to the binary masses inferred from the GW measurements, and use the resulting mass of the dynamical ejecta to estimate its contribution (without the effects of wind ejecta) to the corresponding kilonova light curves from various models. The distributions of dynamical ejecta mass range between for various equations of state, assuming that the neutron stars are rotating slowly. In addition, we use our estimates of the dynamical ejecta mass and the neutron star merger rates inferred from GW170817 to constrain the contribution of events like this to the r -process element abundance in the Galaxy when ejecta mass from post-merger winds is neglected. We find that if ≳10% of the matter dynamically ejected from binary neutron star (BNS) mergers is converted to r -process elements, GW170817-like BNS mergers could fully account for the amount of r -process material observed in the Milky Way.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Estimating the Contribution of Dynamical Ejecta in the Kilonova Associated with GW170817
Date Crossref
01/12/2017
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 il ne compte pas comme une seconde source scientifique indépendante.

Les institutions déclarées

California Institute of TechnologyLouisiana State UniversityUniversity of SalernoIstituto Nazionale di Fisica Nucleare, Sezione di NapoliUniversity of FloridaARC Centre of Excellence for Gravitational Wave DiscoveryMonash UniversityLIGO Scientific CollaborationCentre National de la Recherche ScientifiqueLaboratoire d’Annecy de Physique des ParticulesInstitut National de Physique Nucléaire et de Physique des ParticulesUniversité Savoie Mont BlancUniversity of SannioMax Planck Institute for Gravitational PhysicsUniversity of MississippiUniversity of Illinois Urbana-ChampaignUniversity of CambridgeNational Institute for Subatomic PhysicsMassachusetts 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-SudUniversité Paris-SaclayCalifornia 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 CitéCommissariat à l'Énergie Atomique et aux Énergies AlternativesLaboratoire AstroParticule et CosmologieSorbonne Paris CitéKorea Institute of Science & Technology InformationWest Virginia UniversityUniversity of PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaUniversity of MinnesotaUniversity of GlasgowHUN-REN Wigner Research Centre for PhysicsColumbia 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 GenovaSyracuse UniversityRaja Ramanna Centre for Advanced TechnologyLomonosov Moscow State UniversityUniversity of StrathclydePennsylvania State UniversityThe University of Western AustraliaRadboud University NijmegenUniversité Côte d'AzurAstrophysique Relativiste, Théories, Expériences, Métrologie, Instrumentation, SignauxObservatoire de la Côte d’AzurFonctions Optiques pour les Technologies de l’informationUniversité de RennesWashington State UniversityUniversity of OregonCollège de FranceUniversité Paris Sciences et LettresLaboratoire Kastler BrosselÉcole Normale Supérieure - PSLSorbonne UniversitéCarleton CollegeThe University of AdelaideUniversity of WarsawVrije Universiteit AmsterdamUniversity of Maryland, College ParkGeorgia Institute of TechnologyLyon 1 UniversitéGoddard Space Flight CenterUniversity 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 UniversityUniversitat de les Illes BalearsThe University of Texas Rio Grande ValleyBellevue CollegeInstitute for Plasma ResearchUniversity of SheffieldCalifornia State University Los AngelesUniversity of TrentoMontclair State UniversityNational Astronomical Observatory of JapanUniversity of EdinburghIndian Institute of Advanced ResearchIndian Institute of Science Education and Research ThiruvananthapuramShort and Associates (United States)University of SzegedUniversity of MichiganAstronomical Observatory of CapodimonteUniversity of UrbinoIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeUniversity of ZurichAmerican UniversityUniversity of BiałystokUniversity of SouthamptonUniversity of Washington BothellInstitute of Applied PhysicsKorea Astronomy and Space Science InstituteInje UniversityNational Institute for Mathematical SciencesNational Centre for Nuclear ResearchInstitute of MathematicsHillsdale CollegeSeoul National UniversityHanyang UniversityMarshall Space Flight CenterESPCI ParisSouthern University and Agricultural and Mechanical CollegeWilliam & MaryWilliams (United States)Scientific Centre of MonacoIndian Institute of Technology MadrasIndian Institute of Science Education and Research KolkataFORCE Technology (Norway)Whitman CollegeIndian Institute of Technology BombayScuola Normale SuperioreHobart and William Smith CollegesSwinburne University of TechnologyUniversity of Zielona GóraUniversity of WashingtonUniversity of LondonKing's College LondonUniversity College LondonIndian Institute of Technology GandhinagarIndian Institute of Technology HyderabadUniversidade Federal do Rio Grande do NorteAndrews UniversityUniversity of SienaTrinity UniversityUniversity of GroningenAbilene Christian UniversityColorado State University

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

Les sujets associés

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

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