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Detection of very high energy gamma-ray emission from the gravitationally lensed blazar QSO B0218+357 with the MAGIC telescopes

L.; Marcote; J. E.; Will; J. R.; Reichardt; B.; Biland; L.; Paiano; R.; Paredes; R.; Moralejo; R.; Majumdar; D.; García López; B.; de Oña Wilhelmi; J.; La Barbera; D.; Guberman; C.; Galindo; J. M.; Paredes-Fortuny; Ahnen; X.; Pedaletti; K.; Nishijima; S.; Longo; A.; Hayashida; A.; Vanzo; G.; Manganaro; Y.; Kubo; A.; De Lotto; P.; Colombo; M.; Garrido Terrats; I.; Sobczynska; S.; Eisenacher Glawion; T.; Treves; A.; Clavero; V.; Niedzwiecki; M. V.; Font; G.; Borracci; O.; Bonnefoy; T.; Satalecka; M.; Mallot; L.; Frantzen; L. A.; Antoranz; M.; Giammaria; K.; Maneva; S.; Palacio; D.; Hahn; M.; Martínez; R.; Desiante; F.; López; P. G.; Prandini; E.; Nakajima; D.; Stamerra; L.; Tavecchio; T.; Takalo; D.; Engelkemeier; M.; Fallah Ramazani; M. L.; Ansoldi; M.; Poutanen; E.; Berti; J. A.; Becerra González; G.; Peresano; R.; Colin; K.; Maraschi; J. L.; Cortina; A.; Fidalgo; M.; López-Coto; E.; Lombardi; P.; Godinović; M.; Surić; M.; Herrera; A.; Lelas; E.; Di Pierro; A.; Biasuzzi; A.; Banerjee; U.; Miranda; T.; Shore; D.; Menzel; L.; Persic; M.; Perri; T.; Buson; K.; Nogués; A.; Moretti; G.; Idec; S. N.; Sillanpää; J. M.; Mirzoyan; P.; Barres de Almeida; M. H.; Zanin; C.; Babic; J.; Covino; K.; Schroeder; D.; Doro; N.; Gora; D.; Gaug; J.; Saito; W.; Kodani; M.; Mannheim; M.; Domínguez; U.; Barrio; A.; Strzys; D.; Hadasch; A.; Dominis Prester; D.; Fonseca; B.; Mariotti; D.; Paoletti; A.; Nievas Rosillo; M.; Wu; K.; Fruck; A.; Sitarek; S.; Carosi; D.; Lindfors; D. F.; Toyama; R. J.; Garczarczyk; E.; Puljak; S.; Bonnoli; E.; Contreras; F.; De Angelis; R.; D.; Dorner; K.; Noda; K.; Konno; I.; Ward; P.; Dazzi; V.; Fernández-Barral; F.; Temnikov; J.; Snidaric; M.; Mazin; I.; Garcia; W.; Ribó; P.; Terzić; D.; Elsaesser; D.; Hughes; A.; Chatterjee; M.; Rico; G.; Verguilov; M.; Einecke; V.; Vovk; M.; Paneque; H.; Kushida; W.; Bernardini; S.; Da Vela; J.; Bednarek; J.; Prada Moroni; D.; Neustroev; D.; Teshima; M.; Torres; M.; Nilsson; S.; Antonelli; A.; Blanch; J.; Hrupec; P.; Makariev; P.; Arcaro; I.; Rhode; T.; Tescaro; S.; Schweizer; J.; Hose; B.; Bangale; F.; Bretz; F.; Doert; J.; Palatiello

dc.contributor.authorL.; Marcote
dc.contributor.authorJ. E.; Will
dc.contributor.authorJ. R.; Reichardt
dc.contributor.authorB.; Biland
dc.contributor.authorL.; Paiano
dc.contributor.authorR.; Paredes
dc.contributor.authorR.; Moralejo
dc.contributor.authorR.; Majumdar
dc.contributor.authorD.; García López
dc.contributor.authorB.; de Oña Wilhelmi
dc.contributor.authorJ.; La Barbera
dc.contributor.authorD.; Guberman
dc.contributor.authorC.; Galindo
dc.contributor.authorJ. M.; Paredes-Fortuny
dc.contributor.authorAhnen
dc.contributor.authorX.; Pedaletti
dc.contributor.authorK.; Nishijima
dc.contributor.authorS.; Longo
dc.contributor.authorA.; Hayashida
dc.contributor.authorA.; Vanzo
dc.contributor.authorG.; Manganaro
dc.contributor.authorY.; Kubo
dc.contributor.authorA.; De Lotto
dc.contributor.authorP.; Colombo
dc.contributor.authorM.; Garrido Terrats
dc.contributor.authorI.; Sobczynska
dc.contributor.authorS.; Eisenacher Glawion
dc.contributor.authorT.; Treves
dc.contributor.authorA.; Clavero
dc.contributor.authorV.; Niedzwiecki
dc.contributor.authorM. V.; Font
dc.contributor.authorG.; Borracci
dc.contributor.authorO.; Bonnefoy
dc.contributor.authorT.; Satalecka
dc.contributor.authorM.; Mallot
dc.contributor.authorL.; Frantzen
dc.contributor.authorL. A.; Antoranz
dc.contributor.authorM.; Giammaria
dc.contributor.authorK.; Maneva
dc.contributor.authorS.; Palacio
dc.contributor.authorD.; Hahn
dc.contributor.authorM.; Martínez
dc.contributor.authorR.; Desiante
dc.contributor.authorF.; López
dc.contributor.authorP. G.; Prandini
dc.contributor.authorE.; Nakajima
dc.contributor.authorD.; Stamerra
dc.contributor.authorL.; Tavecchio
dc.contributor.authorT.; Takalo
dc.contributor.authorD.; Engelkemeier
dc.contributor.authorM.; Fallah Ramazani
dc.contributor.authorM. L.; Ansoldi
dc.contributor.authorM.; Poutanen
dc.contributor.authorE.; Berti
dc.contributor.authorJ. A.; Becerra González
dc.contributor.authorG.; Peresano
dc.contributor.authorR.; Colin
dc.contributor.authorK.; Maraschi
dc.contributor.authorJ. L.; Cortina
dc.contributor.authorA.; Fidalgo
dc.contributor.authorM.; López-Coto
dc.contributor.authorE.; Lombardi
dc.contributor.authorP.; Godinović
dc.contributor.authorM.; Surić
dc.contributor.authorM.; Herrera
dc.contributor.authorA.; Lelas
dc.contributor.authorE.; Di Pierro
dc.contributor.authorA.; Biasuzzi
dc.contributor.authorA.; Banerjee
dc.contributor.authorU.; Miranda
dc.contributor.authorT.; Shore
dc.contributor.authorD.; Menzel
dc.contributor.authorL.; Persic
dc.contributor.authorM.; Perri
dc.contributor.authorT.; Buson
dc.contributor.authorK.; Nogués
dc.contributor.authorA.; Moretti
dc.contributor.authorG.; Idec
dc.contributor.authorS. N.; Sillanpää
dc.contributor.authorJ. M.; Mirzoyan
dc.contributor.authorP.; Barres de Almeida
dc.contributor.authorM. H.; Zanin
dc.contributor.authorC.; Babic
dc.contributor.authorJ.; Covino
dc.contributor.authorK.; Schroeder
dc.contributor.authorD.; Doro
dc.contributor.authorN.; Gora
dc.contributor.authorD.; Gaug
dc.contributor.authorJ.; Saito
dc.contributor.authorW.; Kodani
dc.contributor.authorM.; Mannheim
dc.contributor.authorM.; Domínguez
dc.contributor.authorU.; Barrio
dc.contributor.authorA.; Strzys
dc.contributor.authorD.; Hadasch
dc.contributor.authorA.; Dominis Prester
dc.contributor.authorD.; Fonseca
dc.contributor.authorB.; Mariotti
dc.contributor.authorD.; Paoletti
dc.contributor.authorA.; Nievas Rosillo
dc.contributor.authorM.; Wu
dc.contributor.authorK.; Fruck
dc.contributor.authorA.; Sitarek
dc.contributor.authorS.; Carosi
dc.contributor.authorD.; Lindfors
dc.contributor.authorD. F.; Toyama
dc.contributor.authorR. J.; Garczarczyk
dc.contributor.authorE.; Puljak
dc.contributor.authorS.; Bonnoli
dc.contributor.authorE.; Contreras
dc.contributor.authorF.; De Angelis
dc.contributor.authorR.
dc.contributor.authorD.; Dorner
dc.contributor.authorK.; Noda
dc.contributor.authorK.; Konno
dc.contributor.authorI.; Ward
dc.contributor.authorP.; Dazzi
dc.contributor.authorV.; Fernández-Barral
dc.contributor.authorF.; Temnikov
dc.contributor.authorJ.; Snidaric
dc.contributor.authorM.; Mazin
dc.contributor.authorI.; Garcia
dc.contributor.authorW.; Ribó
dc.contributor.authorP.; Terzić
dc.contributor.authorD.; Elsaesser
dc.contributor.authorD.; Hughes
dc.contributor.authorA.; Chatterjee
dc.contributor.authorM.; Rico
dc.contributor.authorG.; Verguilov
dc.contributor.authorM.; Einecke
dc.contributor.authorV.; Vovk
dc.contributor.authorM.; Paneque
dc.contributor.authorH.; Kushida
dc.contributor.authorW.; Bernardini
dc.contributor.authorS.; Da Vela
dc.contributor.authorJ.; Bednarek
dc.contributor.authorJ.; Prada Moroni
dc.contributor.authorD.; Neustroev
dc.contributor.authorD.; Teshima
dc.contributor.authorM.; Torres
dc.contributor.authorM.; Nilsson
dc.contributor.authorS.; Antonelli
dc.contributor.authorA.; Blanch
dc.contributor.authorJ.; Hrupec
dc.contributor.authorP.; Makariev
dc.contributor.authorP.; Arcaro
dc.contributor.authorI.; Rhode
dc.contributor.authorT.; Tescaro
dc.contributor.authorS.; Schweizer
dc.contributor.authorJ.; Hose
dc.contributor.authorB.; Bangale
dc.contributor.authorF.; Bretz
dc.contributor.authorF.; Doert
dc.contributor.authorJ.; Palatiello
dc.date.accessioned2022-10-28T13:24:26Z
dc.date.available2022-10-28T13:24:26Z
dc.identifier.urihttps://www.utupub.fi/handle/10024/164960
dc.description.abstract<p>Context. QSO B0218+357 is a gravitationally lensed blazar located at a redshift of 0.944. The gravitational lensing splits the emitted radiation into two components that are spatially indistinguishable by gamma-ray instruments, but separated by a 10-12 day delay. In July 2014, QSO B0218+357 experienced a violent flare observed by the Fermi-LAT and followed by the MAGIC telescopes. <br /> Aims: The spectral energy distribution of QSO B0218+357 can give information on the energetics of z 1 very high energy gamma-ray sources. Moreover the gamma-ray emission can also be used as a probe of the extragalactic background light at z 1. <br /> Methods: MAGIC performed observations of QSO B0218+357 during the expected arrival time of the delayed component of the emission. The MAGIC and Fermi-LAT observations were accompanied by quasi-simultaneous optical data from the KVA telescope and X-ray observations by Swift-XRT. We construct a multiwavelength spectral energy distribution of QSO B0218+357 and use it to model the source. The GeV and sub-TeV data obtained by Fermi-LAT and MAGIC are used to set constraints on the extragalactic background light. <br /> Results: Very high energy gamma-ray emission was detected from the direction of QSO B0218+357 by the MAGIC telescopes during the expected time of arrival of the trailing component of the flare, making it the farthest very high energy gamma-ray source detected to date. The observed emission spans the energy range from 65 to 175 GeV. The combined MAGIC and Fermi-LAT spectral energy distribution of QSO B0218+357 is consistent with current extragalactic background light models. The broadband emission can be modeled in the framework of a two-zone external Compton scenario, where the GeV emission comes from an emission region in the jet, located outside the broad line region. <br /></p>
dc.language.isoen
dc.publisherEDP Science
dc.titleDetection of very high energy gamma-ray emission from the gravitationally lensed blazar QSO B0218+357 with the MAGIC telescopes
dc.identifier.urnURN:NBN:fi-fe2021042716197
dc.relation.volume595
dc.contributor.organizationfi=Suomen ESO-keskus, yhteiset|en=Finnish Centre for Astronomy with ESO - FINCA|
dc.contributor.organizationfi=Tuorlan observatorio|en=Tuorla Observatory|
dc.contributor.organization-code2606705
dc.contributor.organization-code2609700
dc.converis.publication-id18200630
dc.converis.urlhttps://research.utu.fi/converis/portal/Publication/18200630
dc.identifier.eissn1432-0746
dc.identifier.jour-issn0004-6361
dc.okm.affiliatedauthorPoutanen, Juri
dc.okm.affiliatedauthorNilsson, Kari
dc.okm.affiliatedauthorSillanpää, Aimo
dc.okm.affiliatedauthorLindfors, Elina
dc.okm.affiliatedauthorTakalo, Leo
dc.okm.affiliatedauthorFallah Ramazani, Vandad
dc.okm.discipline115 Astronomy and space scienceen_GB
dc.okm.discipline115 Avaruustieteet ja tähtitiedefi_FI
dc.okm.internationalcopublicationinternational co-publication
dc.okm.internationalityInternational publication
dc.okm.typeJournal article
dc.publisher.countryFranceen_GB
dc.publisher.countryRanskafi_FI
dc.publisher.country-codeFR
dc.relation.articlenumberA98
dc.relation.doi10.1051/0004-6361/201629461
dc.relation.ispartofjournalAstronomy and Astrophysics
dc.year.issued2016


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