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Accès ouvert déclaré 2019 article

Search for gravitational waves from Scorpius X-1 in the second Advanced LIGO observing run with an improved hidden Markov model

67Citations signalées, ce qui n’est pas une note de qualité
160Institutions déclarées
26Pays d’affiliation déclarés

Rattachement africain : us, in, it, au, de, gb, br, es, fr, nl, kr, hu, pl, ru, ch, rs, jp, cn, tw, hk, be, ca, mx, bg, cz, mc. Niveau de preuve : code pays fourni par la source.

Le résumé fourni par la source

We present results from a semicoherent search for continuous gravitational waves from the low-mass x-ray binary Scorpius X-1, using a hidden Markov model (HMM) to track spin wandering. This search improves on previous HMM-based searches of LIGO data by using an improved frequency domain matched filter, the $\mathcal{J}$-statistic, and by analyzing data from Advanced LIGO's second observing run. In the frequency range searched, from 60 to 650 Hz, we find no evidence of gravitational radiation. At 194.6 Hz, the most sensitive search frequency, we report an upper limit on gravitational wave strain (at 95% confidence) of ${h}_{0}^{95%}=3.47\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}25}$ when marginalizing over source inclination angle. This is the most sensitive search for Scorpius X-1, to date, that is specifically designed to be robust in the presence of spin wandering.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
Search for gravitational waves from Scorpius X-1 in the second Advanced LIGO observing run with an improved hidden Markov model
Date Crossref
04/12/2019
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 UniversityInter-University Centre for Astronomy and AstrophysicsUniversity of SalernoAustralian Regenerative Medicine InstituteMonash UniversityLIGO Scientific CollaborationLeibniz University HannoverMax Planck Institute for Gravitational PhysicsUniversity of CambridgeUniversity of BirminghamMassachusetts Institute of TechnologyInstituto Nacional de Pesquisas EspaciaisIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran SassoGran Sasso Science InstituteTata Institute of Fundamental ResearchUniversity of Illinois Urbana-ChampaignUniversity of PisaUniversitat de ValènciaAustralian National UniversityLaboratoire des Matériaux AvancésUniversity of Wisconsin–MilwaukeeUniversity of StrathclydeUniversité Paris-SaclayCalifornia State University, FullertonDélégation Paris 7Université Paris CitéEuropean Gravitational ObservatoryUniversity of Rome Tor VergataLaboratoire d’Annecy de Physique des ParticulesUniversité Savoie Mont BlancMontclair State UniversityNational Institute for Subatomic PhysicsKorea Institute of Science & Technology InformationWest Virginia UniversityUniversity of PerugiaSyracuse UniversityUniversity of Minnesota SystemUniversity of GlasgowHUN-REN Wigner Research Centre for PhysicsUniversity of FloridaStanford UniversityUniversità di CamerinoUniversity of PaduaMontana State UniversityNicolaus Copernicus Astronomical CenterThe University of AdelaideIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaFriedrich Schiller University JenaRochester Institute of TechnologyIstituto Nazionale di Fisica Nucleare, Sezione di GenovaLomonosov Moscow State UniversityThe University of Western AustraliaRadboud University NijmegenUniversité Côte d'AzurObservatoire de la Côte d’AzurUniversity of ZurichUniversité Rennes 2Université de RennesCardiff UniversityWashington State UniversityUniversité Paris Sciences et LettresSorbonne UniversitéLaboratoire MédiationsUniversity of UrbinoIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeAstronomical ObservatoryVrije Universiteit AmsterdamUniversity of Maryland, College ParkGeorgia Institute of TechnologyLyon 1 UniversitéUniversity of Naples Federico IIGoddard Space Flight CenterUniversity of GenoaThe University of TokyoTsinghua UniversityTexas Tech UniversityUniversity of MississippiCentro Ricerche Enrico FermiPennsylvania State UniversityPark UniversityNational Tsing Hua UniversityCharles Sturt UniversityUniversity of ChicagoChinese University of Hong KongSeoul National UniversityPusan National UniversityCarleton CollegeIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsNational Institute for AstrophysicsThe University of MelbourneColumbia UniversityFundació Universitat-Empresa de les Illes BalearsUniversitat de les Illes BalearsUniversité Libre de BruxellesSonoma State UniversityUniversity of Rhode IslandThe University of Texas Rio Grande ValleyBellevue CollegeEötvös Loránd UniversityInstitute for Plasma ResearchUniversity of SheffieldUniversidade de Santiago de CompostelaUniversity of ParmaCalifornia State University SystemUniversity of TrentoSapienza University of RomeColorado State UniversityKenyon CollegeChristopher Newport UniversityNational Astronomical Observatory of JapanUniversity of TorontoUniversity of EdinburghUniversity of SzegedUniversity of MichiganAmerican UniversityDelta Institute for Theoretical PhysicsUniversity of AmsterdamUniversity of BiałystokUniversidad de LondresUniversity of SouthamptonUniversity of Washington BothellEwha Womans University Medical CenterInje UniversityNational Institute for Mathematical SciencesUlsan National Institute of Science and TechnologyUniversität HamburgMaastricht UniversityChennai Mathematical InstituteInstitute of Mathematics and InformaticsCzech Academy of Sciences, Institute of MathematicsCornell UniversityHillsdale CollegeKorea Astronomy and Space Science InstituteHanyang UniversityMarshall Space Flight CenterRoma Tre UniversityESPCI ParisSwinburne University of TechnologyUniversity of PortsmouthSouthern University and Agricultural and Mechanical CollegeWilliam & MaryScientific Centre of MonacoIstituto Nazionale di Fisica Nucleare, Sezione di TorinoInstitut des Hautes Études ScientifiquesIndian Institute of Science Education and Research KolkataWhitman CollegeUniversité de LyonHobart and William Smith CollegesUniversity of Zielona GóraUniversity of WashingtonUniversity of the West of ScotlandPolytechnique MontréalUniversité de MontréalUniversidade Federal do Rio Grande do NorteVillanova UniversityAndrews UniversityUniversity of SienaTrinity UniversityUniversity of Groningen

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

Les sujets associés

Pulsars and Gravitational Waves ResearchGeophysics and Gravity MeasurementsCosmology and Gravitation Theories

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