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All-sky, all-frequency directional search for persistent gravitational waves from Advanced LIGO’s and Advanced Virgo’s first three observing runs

34Citations signalées, ce qui n’est pas une note de qualité
302Institutions déclarées
28Pays d’affiliation déclarés

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Le résumé fourni par la source

We present the first results from an all-sky all-frequency (ASAF) search for an anisotropic stochastic gravitational-wave background using the data from the first three observing runs of the Advanced LIGO and Advanced Virgo detectors. Upper limit maps on broadband anisotropies of a persistent stochastic background were published for all observing runs of the LIGO-Virgo detectors. However, a broadband analysis is likely to miss narrowband signals as the signal-to-noise ratio of a narrowband signal can be significantly reduced when combined with detector output from other frequencies. Data folding and the computationally efficient analysis pipeline, PyStoch, enable us to perform the radiometer map-making at every frequency bin. We perform the search at 3072 HEALPix equal area pixels uniformly tiling the sky and in every frequency bin of width $1/32\text{ }\text{ }\mathrm{Hz}$ in the range 20--1726 Hz, except for bins that are likely to contain instrumental artefacts and hence are notched. We do not find any statistically significant evidence for the existence of narrowband gravitational-wave signals in the analyzed frequency bins. Therefore, we place 95% confidence upper limits on the gravitational-wave strain for each pixel-frequency pair, the limits are in the range $(0.030\ensuremath{-}9.6)\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}24}$. In addition, we outline a method to identify candidate pixel-frequency pairs that could be followed up by a more sensitive (and potentially computationally expensive) search, e.g., a matched-filtering-based analysis, to look for fainter nearly monochromatic coherent signals. The ASAF analysis is inherently independent of models describing any spectral or spatial distribution of power. We demonstrate that the ASAF results can be appropriately combined over frequencies and sky directions to successfully recover the broadband directional and isotropic results.

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Le contrôle bibliographique ouvert

DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.

Titre Crossref
All-sky, all-frequency directional search for persistent gravitational waves from Advanced LIGO’s and Advanced Virgo’s first three observing runs
Date Crossref
03/06/2022
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 UniversityUniversity of SalernoIstituto Nazionale di Fisica Nucleare, Sezione di NapoliAustralian Regenerative Medicine InstituteARC Centre of Excellence for Gravitational Wave DiscoveryMonash UniversityLIGO Scientific CollaborationUniversity of Wisconsin–MilwaukeeAustralian National UniversityLeibniz University HannoverMax Planck Institute for Gravitational PhysicsInter-University Centre for Astronomy and AstrophysicsUniversity of CambridgeFriedrich Schiller University JenaUniversity of BirminghamNorthwestern UniversityInstituto Nacional de Pesquisas EspaciaisCardiff UniversityIstituto Nazionale di Fisica Nucleare, Sezione di PisaTata Institute of Fundamental ResearchInternational Centre for Theoretical SciencesNational Astronomical Observatory of JapanIstituto Nazionale di Fisica Nucleare, Sezione di TorinoUniversity of Naples Federico IILyon 1 UniversitéCentre National de la Recherche ScientifiqueUniversité de LyonInstitut Lumière MatièreThe University of TokyoUniversitat de BarcelonaLaboratoire d’Annecy de Physique des ParticulesInstitut National de Physique Nucléaire et de Physique des ParticulesUniversité Savoie Mont BlancUniversité Grenoble AlpesGran Sasso Science InstituteUniversity of StrathclydeUniversity of UdineUniversity of TriesteIstituto Nazionale di Fisica Nucleare, Sezione di TriesteEmbry–Riddle Aeronautical UniversityUniversité Paris CitéKavli Institute for the Physics and Mathematics of the UniverseHigh Energy Accelerator Research OrganizationCalifornia State University, FullertonUniversité Paris-SaclayLaboratoire de Physique des 2 Infinis Irène Joliot-CurieEuropean Gravitational ObservatoryChennai Mathematical InstituteHirosaki UniversityColumbia UniversityThe Graduate University for Advanced Studies, SOKENDAIUniversity of UrbinoIstituto Nazionale di Fisica Nucleare, Sezione di FirenzeIstituto Nazionale di Fisica Nucleare, Sezione di Roma IUCLouvainNational Institute for Subatomic PhysicsUniversity of LondonKing's College LondonUniversidad de LondresUniversity College LondonKorea Institute of Science & Technology InformationNational Institute for Mathematical SciencesChristopher Newport UniversityOsaka International UniversityThe University of OsakaUniversity of OregonSyracuse UniversityUniversity of LiègeUniversity of MinnesotaUniversity of Minnesota SystemBrera Astronomical ObservatoryIstituto Nazionale di Fisica Nucleare, Sezione di Milano BicoccaUniversity of Milano-BicoccaNational Institute for AstrophysicsUniversity of GlasgowMassachusetts Institute of TechnologyHUN-REN Wigner Research Centre for PhysicsUniversity of FloridaStanford UniversityUniversity of PisaUniversity of PerugiaIstituto Nazionale di Fisica Nucleare, Sezione di PerugiaUniversity of PaduaIstituto Nazionale di Fisica Nucleare, Sezione di PadovaMontana State UniversityInstitute for Plasma ResearchNicolaus Copernicus Astronomical CenterPolish Academy of SciencesUniversity of SannioThe University of AdelaideCalifornia State University SystemCalifornia State University Los AngelesIstituto Nazionale di Fisica Nucleare, Sezione di GenovaThe University of Western AustraliaRaja Ramanna Centre for Advanced TechnologyUniversity of AmsterdamMissouri University of Science and TechnologyLomonosov Moscow State UniversityUniversity of TrentoIstituto Nazionale di Fisica Nucleare, Trento Institute for Fundamental Physics And ApplicationsUniversity of the West of ScotlandBar-Ilan UniversityUniversité Côte d'AzurAstrophysique Relativiste, Théories, Expériences, Métrologie, Instrumentation, SignauxObservatoire de la Côte d’AzurIstituto Nazionale di Fisica Nucleare, Gruppo Collegato di SalernoSapienza University of RomeUniversité Rennes 2Fonctions Optiques pour les Technologies de l’informationUniversité de RennesIndian Institute of Technology BombayIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali del Gran SassoUniversité Paris Sciences et LettresLaboratoire Kastler BrosselÉcole Normale Supérieure - PSLSorbonne UniversitéLaboratoire MédiationsAstronomical ObservatoryUniversity of WarsawUniversity of Maryland, College ParkUniversité Toulouse III - Paul SabatierUniversité Fédérale de Toulouse Midi-PyrénéesGeorgia Institute of TechnologyChinese University of Hong KongUniversidade de Santiago de CompostelaFlatiron Health (United States)Flatiron InstituteStony Brook UniversityGoddard Space Flight CenterUniversity of GenoaUtrecht UniversityBeijing Normal UniversityThe University of MelbourneUniversity of SassariIstituto Nazionale di Fisica Nucleare, Laboratori Nazionali del SudUniversity of Rome Tor VergataIstituto Nazionale di Fisica Nucleare, Roma Tor VergataVillanova UniversityUniversitat de ValènciaUniversität HamburgRochester Institute of TechnologyNational Tsing Hua UniversityFukuoka UniversityCharles Sturt UniversityTamkang UniversityNational Central UniversityInstitute of Physics, Academia SinicaInstitut de Physique des 2 Infinis de LyonSeoul National UniversityPusan National UniversityOsservatorio Astronomico di PadovaUniversity of ArizonaRutherford Appleton LaboratorySwinburne University of TechnologyUniversité Libre de BruxellesFundació Universitat-Empresa de les Illes BalearsUniversitat de les Illes BalearsTexas Tech UniversityPennsylvania State UniversityUniversity of Rhode IslandThe University of Texas Rio Grande ValleyBellevue CollegeScuola Normale SuperioreEötvös Loránd UniversityMaastricht UniversityUniversity of PortsmouthUniversity of SheffieldLaboratoire des Matériaux AvancésUniversity of ParmaUniversity of ZurichUniversity of ChicagoInstitut Pluridisciplinaire Hubert CurienUniversité de StrasbourgWest Virginia UniversityMontclair State UniversityColorado State UniversityHUN-REN Institute for Nuclear ResearchHungarian Academy of SciencesThe University of Texas at AustinUniversity of BasilicataUniversity of UtahKenyon CollegeVrije Universiteit AmsterdamNiigata UniversityChinese Academy of SciencesWuhan Institute of Physics and MathematicsPrecision for Medicine (United States)University of SzegedGhent UniversityCornell UniversityUniversity of British ColumbiaAstronomical Observatory of CapodimonteUniversity of MississippiUniversity of MichiganMitchell InstituteTexas A&M UniversityUlsan National Institute of Science and TechnologyApplied Research (United States)Applied Research Laboratory at the University of Hawai‘iShanghai Astronomical ObservatoryAmerican UniversityUniversity of ToyamaCarleton CollegeUniversity of California SystemUniversity of California, BerkeleyNihon UniversityCollege of Industrial TechnologyNational Taiwan Normal UniversityChungnam National UniversityAoyama Gakuin UniversityPeking UniversityKavli Institute for Theoretical SciencesKyoto UniversityOsaka City UniversityInstitute of Space and Astronautical ScienceResearch & Development Establishment (Engrs.)Vanderbilt UniversityUniversity of AntwerpUniversity of BiałystokEwha Womans UniversityEwha Womans University Medical CenterNational Space Science CenterNational Astronomical ObservatoriesUniversity of Chinese Academy of SciencesUniversity of SouthamptonChung-Ang UniversityInstitució Catalana de Recerca i Estudis AvançatsInstitute for High Energy PhysicsBarcelona Institute of Science and TechnologyInstitute of Science and TechnologyTokyo Institute of TechnologyUniversity of Washington BothellInstitute of Applied PhysicsInje UniversityMyongji UniversityKorea Astronomy and Space Science InstituteHiroshima UniversityBard CollegeNational Centre for Nuclear ResearchInstitute of MathematicsInstituto de Investigaciones Fisicoquímicas Teóricas y AplicadasNagoya UniversityPolytechnique MontréalUniversité de MontréalHanyang UniversitySungkyunkwan UniversityUniversité Gustave EiffelNational Cheng Kung UniversityNational Center for High-Performance ComputingNational Institutes of Applied ResearchMarshall Space Flight CenterUniversity of WashingtonRoma Tre UniversityIstituto Nazionale di Fisica Nucleare, Sezione di Roma TreESPCI ParisConcordia University WisconsinUniversità di CamerinoTongji UniversitySouthern University and Agricultural and Mechanical CollegeScientific Centre of MonacoIndian Institute of Technology MadrasSaha Institute of Nuclear PhysicsResearch Institute for Electromagnetic MaterialsNational Institute of Information and Communications TechnologyInstitut des Hautes Études ScientifiquesRyukoku UniversityIndian Institute of Science Education and Research KolkataRadboud University NijmegenUniversity of Notre DameConsorzio Roma RicercheInstitute for Complex SystemsHobart and William Smith CollegesUniversidade Federal do Rio Grande do NorteCentro Ricerche Enrico FermiLancaster UniversityIndian Institute of Science Education and Research PuneUniversity of TurinIndian Institute of Technology GandhinagarNagaoka National College of TechnologyUniversity of AveiroMarquette UniversityHosei UniversityToho UniversityOsaka Institute of TechnologyArcetri Astrophysical ObservatoryUniversity of FlorenceIndian Institute of Technology HyderabadRIKENInstitute of Physical and Organic ChemistryOsservatorio di Astrofisica e Scienza dello SpazioAndrews UniversityTokyo City UniversityNational Institute of Advanced Industrial Science and TechnologyUniversity of GroningenVrije Universiteit BrusselNational Defense Academy of JapanNagaoka UniversityNagaoka University of TechnologySejong UniversityNational Yang Ming Chiao Tung UniversityRikkyo University

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Les sujets associés

Pulsars and Gravitational Waves ResearchGeophysics and Gravity MeasurementsRadio Astronomy Observations and Technology

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