Observation of inverse Compton emission from a long γ-ray burst

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dc.contributor.authorBarrio Uña, Juan Abel
dc.contributor.authorBellizzi, L.
dc.contributor.authorBonnoli, G.
dc.contributor.authorContreras González, José Luis
dc.contributor.authorFidalgo, D.
dc.contributor.authorFonseca González, María Victoria
dc.contributor.authorHoang, J.
dc.contributor.authorLópez Moya, Marcos
dc.contributor.authorMorcuende Parrilla, Daniel
dc.contributor.authorPaoletti, R.
dc.contributor.authorPeñil del Campo, Pablo
dc.contributor.authorSaha, L.
dc.contributor.authorYoung, D. R. ... [et al.]
dc.date.accessioned2023-10-19T09:04:33Z
dc.date.available2023-10-19T09:04:33Z
dc.date.issued2019-11-20
dc.descriptionEl pdf depositado corresponde a la versión preprint. Artículo firmado por 306 autores
dc.description.abstractLong-duration gamma-ray bursts (GRBs) originate from ultra-relativistic jets launched from the collapsing cores of dying massive stars. They are characterized by an initial phase of bright and highly variable radiation in the kiloelectron volt-to-mega electronvoltband, which is probably produced within the jet and lasts from milliseconds to minutes, known as the prompt emission(1,2). Subsequently, the interaction of the jet with the surrounding medium generates shock waves that are responsible for the afterglow emission, which lasts from days to months and occurs over a broad energy range from the radio to the gigaelectronvolt bands(1-6). The afterglow emission is generally well explained as synchrotron radiation emitted by electrons accelerated by the external shock(7-9). Recently, intense long-lasting emission between 0.2 and 1 teraelectronvolts was observed from GRB 190114C(10,11). Here we report multifrequency observations of GRB 190114C, and study the evolution in time of the GRB emission across 17 orders of magnitude in energy, from 5 x 10(-6) to 10(12) electronvolts. We find that the broadband spectral energy distribution is double-peaked, with the teraelectronvolt emission constituting a distinct spectral component with power comparable to the synchrotron component. This component is associated with the afterglow and is satisfactorily explained by inverse Compton up-scattering of synchrotron photons by high-energy electrons. We find that the conditions required to account for the observed teraelectronvolt component are typical for GRBs, supporting the possibility that inverse Compton emission is commonly produced in GRBs.
dc.description.departmentDepto. de Estructura de la Materia, Física Térmica y Electrónica
dc.description.facultyFac. de Ciencias Físicas
dc.description.facultyInstituto de Física de Partículas y del Cosmos (IPARCOS)
dc.description.refereedTRUE
dc.description.sponsorshipFederal Ministry of Education & Research (BMBF)
dc.description.sponsorshipGerman MPG
dc.description.sponsorshipIstituto Nazionale di Fisica Nucleare (INFN)
dc.description.sponsorshipIstituto Nazionale Astrofisica (INAF)
dc.description.sponsorshipSwiss National Science Foundation (SNSF)
dc.description.sponsorshipGobierno de España
dc.description.sponsorshipIndian Department of Atomic Energy
dc.description.sponsorshipMinistry of Education, Culture, Sports, Science and Technology, Japan (MEXT)
dc.description.sponsorshipJapan Society for the Promotion of Science
dc.description.sponsorshipBulgarian Ministry of Education and Science
dc.description.sponsorshipNational RI Roadmap Project
dc.description.sponsorshipResearch Council of Finland
dc.description.sponsorshipUnidad de Excelencia 'Maria de Maeztu'
dc.description.sponsorshipCroatian Science Foundation (HrZZ)
dc.description.sponsorshipUniversity of Rijeka
dc.description.sponsorshipGerman Research Foundation (DFG)
dc.description.sponsorshipPolish National Research Centre
dc.description.sponsorshipBrazilian MCTIC
dc.description.sponsorshipConselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPQ)
dc.description.sponsorshipBrazilian FAPERJ
dc.description.sponsorshipMarie Curie Actions
dc.description.sponsorshipJuan de la Cierva Incorporacion fellowships
dc.description.sponsorshipNational Key RAMP;D Program of China
dc.description.sponsorshipUK Research & Innovation (UKRI) Science & Technology Facilities Council (STFC)
dc.description.sponsorshipe Australian Government
dc.description.sponsorshipAustralian Research Council
dc.description.sponsorshipHelmholtz Association German Aerospace Centre (DLR) Federal Ministry of Education & Research (BMBF)
dc.description.sponsorshipNational Aeronautics & Space Administration (NASA)
dc.description.sponsorshipUnited States Department of Energy (DOE)
dc.description.sponsorshipCommissariat a l'Energie Atomique in France
dc.description.sponsorshipCentre National de la Recherche Scientifique (CNRS)
dc.description.sponsorshipAgenzia Spaziale Italiana in Italy
dc.description.sponsorshipHigh Energy Accelerator Research Organization (KEK)
dc.description.sponsorshipJapan Aerospace Exploration Agency (JAXA) in Japan
dc.description.sponsorshipKnut & Alice Wallenberg Foundation
dc.description.sponsorshipSwedish Research Council
dc.description.sponsorshipSwedish National Space Board in Sweden
dc.description.sponsorshipCentre National D'etudes Spatiales
dc.description.sponsorshipGerman Research Foundation (DFG)
dc.description.sponsorshipUK Space Agency
dc.description.sponsorshipEuropean Space Agency
dc.description.sponsorshipESO programme
dc.description.sponsorshipNOT
dc.description.sponsorshipPolish NCN MAESTRO grant
dc.description.sponsorshipRoyal Astronomical Society Research Fellowship
dc.description.sponsorshipASI grant
dc.description.sponsorshipAgenzia Spaziale Italiana (ASI)
dc.description.sponsorshipUK Research & Innovation (UKRI)
dc.description.sponsorshipScience & Technology Facilities Council (STFC)
dc.description.sponsorshipUK Space Agency
dc.description.sponsorshipRussian Foundation for Basic Research (RFBR)
dc.description.sponsorshipJunta de Andalucia
dc.description.sponsorshipDepartment of Science & Technology (India)
dc.description.sponsorshipIndo-US Science and Technology Forum (IUSSTF)
dc.description.sponsorshipBRICS (Brazil, Russia, India, China and South Africa) grant
dc.description.sponsorshipNational Science Centre, Poland
dc.description.sponsorshipDepartment of Science & Technology (India)
dc.description.sponsorshipEuropean Research Council (ERC)
dc.description.statuspub
dc.identifier.doi10.1038/s41586-019-1754-6
dc.identifier.doi10.48550/arXiv.2006.07251
dc.identifier.essn1476-4687
dc.identifier.issn0028-0836
dc.identifier.officialurlhttps://www.nature.com/articles/s41586-019-1754-6
dc.identifier.relatedurlhttps://doi.org/10.48550/arXiv.2006.07251
dc.identifier.urihttps://hdl.handle.net/20.500.14352/88339
dc.issue.number7783
dc.journal.titleNature
dc.language.isoeng
dc.page.final463
dc.page.initial459
dc.publisherSpringer Nature
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dc.rights.accessRightsopen access
dc.subject.cdu52
dc.subject.keywordExtragalactic background light
dc.subject.keywordHigh energy emission
dc.subject.keywordMagic telescopes
dc.subject.keywordSynchrotron
dc.subject.keywordPerformance
dc.subject.keywordAfterglow
dc.subject.keywordGRB
dc.subject.keywordCalibration
dc.subject.keywordEvolution
dc.subject.keywordCurves
dc.subject.ucmAstrofísica
dc.subject.unesco21 Astronomía y Astrofísica
dc.titleObservation of inverse Compton emission from a long γ-ray burst
dc.typejournal article
dc.type.hasVersionVoR
dc.volume.number575
dspace.entity.typePublication
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