Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A
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Résumé
Previous detections of individual astrophysical sources of neutrinos are limited to the Sun and the supernova 1987A, whereas the origins of the diffuse flux of high-energy cosmic neutrinos remain unidentified. On 22 September 2017, we detected a high-energy neutrino, IceCube-170922A, with an energy of ~290 tera-electron volts. Its arrival direction was consistent with the location of a known γ-ray blazar, TXS 0506+056, observed to be in a flaring state. An extensive multiwavelength campaign followed, ranging from radio frequencies to γ-rays. These observations characterize the variability and energetics of the blazar and include the detection of TXS 0506+056 in very-high-energy γ-rays. This observation of a neutrino in spatial coincidence with a γ-ray-emitting blazar during an active phase suggests that blazars may be a source of high-energy neutrinos.
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La notice
- Revue
- Science
- Thématique
- Astrophysics and Cosmic Phenomena
- Domaine
- Physics and Astronomy
- Établissements canadiens
- —
- Organismes subventionnaires
- Los Alamos National LaboratoryInstitute for Global Prominent Research, Chiba UniversityInstitut National de Physique Nucléaire et de Physique des ParticulesDeutsches Elektronen-SynchrotronEconomic and Social Research CouncilCenter for Cosmology and Astroparticle Physics, Ohio State UniversityMarsden FundInstituto de Astrofísica de CanariasHelmholtz Alliance for Astroparticle PhysicsIstituto Nazionale di Fisica NucleareUniversity of NamibiaNational Commission on Research, Science and TechnologyRWTH Aachen UniversityIstituto Nazionale di AstrofisicaHigh Energy Accelerator Research OrganizationHrvatska Zaklada za ZnanostOffice of ScienceNarodowym Centrum NaukiCollege of Engineering, Michigan State UniversityKnut och Alice Wallenbergs StiftelseGordon and Betty Moore FoundationPennsylvania State UniversityAgenzia Spaziale ItalianaFonds De La Recherche Scientifique - FNRSConselho Nacional de Desenvolvimento Científico e TecnológicoDirección General de Asuntos del Personal Académico, Universidad Nacional Autónoma de MéxicoConsejo Nacional de Ciencia y TecnologíaFonds Wetenschappelijk OnderzoekCentre National d’Etudes SpatialesBundesministerium für Bildung, Wissenschaft und ForschungDeutsche ForschungsgemeinschaftChinese Academy of SciencesNatural Sciences and Engineering Research Council of CanadaMinistry of Education, Culture, Sports, Science and TechnologyBundesministerium für Bildung und ForschungUniversiteit van AmsterdamVetenskapsrådetOhio State UniversityNational Research Foundation of KoreaNational Natural Science Foundation of ChinaSmithsonian InstitutionFundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de JaneiroU.S. Department of EnergyUniversity of Wisconsin-MadisonEuropean CommissionNational Radio Astronomy ObservatoryAustralian Research CouncilWestern Canada Research GridLaboratory Directed Research and DevelopmentMinistério da Ciência, Tecnologia, Inovações e ComunicaçõesMarquette UniversityChinese Academy of Sciences South America Center for AstronomyScience and Technology Facilities CouncilSchweizerischer Nationalfonds zur Förderung der Wissenschaftlichen ForschungBenemérita Universidad Autónoma de PueblaNational Astronomical Observatory of JapanEGI FederationJapan Aerospace Exploration AgencyJapan Society for the Promotion of ScienceVillum FondenAlexander von Humboldt-StiftungUniversity of PennsylvaniaAustrian Science FundNational Research CentreAssociated UniversitiesEuropean Regional Development FundCentre National de la Recherche ScientifiqueMax-Planck-GesellschaftUniversity of LeicesterNational Research FoundationPolarforskningssekretariatetDanmarks GrundforskningsfondCommissariat à l'Énergie Atomique et aux Énergies AlternativesNational Aeronautics and Space AdministrationOffice of Polar ProgramsMichigan State UniversityCompute CanadaChiba UniversityLiverpool John Moores UniversityBelgian Federal Science Policy OfficeNational Science Foundation
- Mots-clés
- BlazarNeutrinoSupernovaCosmic rayFlux (metallurgy)COSMIC cancer databaseCoincidence
- Résumé présent dans OpenAlex
- oui