Searches for Neutrinos in the Direction of Radio-bright Blazars with the ANTARES Telescope
Active galaxies, especially blazars, are among the most promising extragalactic candidates for high-energy neutrino sources. To date, ANTARES searches included these objects and used GeV–TeV γ -ray flux to select blazars. Here, a statistically complete blazar sample selected by their bright radio em...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
IOP Publishing
2024-01-01
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| Series: | The Astrophysical Journal |
| Subjects: | |
| Online Access: | https://doi.org/10.3847/1538-4357/ad1f5b |
| _version_ | 1797266112661946368 |
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| author | A. Albert S. Alves M. André M. Ardid S. Ardid J.-J. Aubert J. Aublin B. Baret S. Basa Y. Becherini B. Belhorma M. Bendahman F. Benfenati V. Bertin S. Biagi M. Bissinger J. Boumaaza M. Bouta M. C. Bouwhuis H. Brânzaş R. Bruijn J. Brunner J. Busto B. Caiffi D. Calvo S. Campion A. Capone L. Caramete F. Carenini J. Carr V. Carretero S. Celli L. Cerisy M. Chabab R. Cherkaoui El Moursli T. Chiarusi M. Circella J. A. B. Coelho A. Coleiro R. Coniglione P. Coyle A. Creusot A. S. M. Cruz A. F. Díaz B. De Martino C. Distefano I. Di Palma A. Domi C. Donzaud D. Dornic D. Drouhin T. Eberl T. van Eeden D. van Eijk S. El Hedri N. El Khayati A. Enzenhöfer P. Fermani G. Ferrara F. Filippini L. Fusco S. Gagliardini J. García C. Gatius Oliver P. Gay N. Geißelbrecht H. Glotin R. Gozzini R. Gracia Ruiz K. Graf C. Guidi L. Haegel S. Hallmann H. van Haren A. J. Heijboer Y. Hello J. J. Hernández-Rey J. Hößl J. Hofestädt F. Huang G. Illuminati C. W. James B. Jisse-Jung M. de Jong P. de Jong M. Kadler O. Kalekin U. Katz A. Kouchner Y. A Kovalev Y. Y Kovalev I. Kreykenbohm V. Kulikovskiy R. Lahmann M. Lamoureux A. Lazo D. Lefèvre E. Leonora G. Levi S. Le Stum D. Lopez-Coto S. Loucatos L. Maderer J. Manczak M. Marcelin A. Margiotta A. Marinelli J. A. Martínez-Mora P. Migliozzi A. Moussa R. Muller S. Navas E. Nezri B. Ó Fearraigh E. Oukacha A. Păun G. E. Păvălaş S. Peña-Martínez M. Perrin-Terrin V. Pestel P. Piattelli A. Plavin C. Poirè V. Popa T. Pradier A. Pushkarev N. Randazzo D. Real S. Reck G. Riccobene A. Romanov A. Sánchez-Losa A. Saina F. Salesa Greus D. F. E. Samtleben M. Sanguineti P. Sapienza J. Schnabel J. Schumann F. Schüssler J. Seneca M. Spurio Th. Stolarczyk M. Taiuti Y. Tayalati S. J. Tingay S. Troitsky B. Vallage G. Vannoye V. Van Elewyck S. Viola D. Vivolo J. Wilms S. Zavatarelli A. Zegarelli J. D. Zornoza J. Zúñiga ANTARES Collaboration T. Hovatta S. Kiehlmann I. Liodakis V. Pavlidou A. C. S Readhead OVRO Collaboration |
| author_facet | A. Albert S. Alves M. André M. Ardid S. Ardid J.-J. Aubert J. Aublin B. Baret S. Basa Y. Becherini B. Belhorma M. Bendahman F. Benfenati V. Bertin S. Biagi M. Bissinger J. Boumaaza M. Bouta M. C. Bouwhuis H. Brânzaş R. Bruijn J. Brunner J. Busto B. Caiffi D. Calvo S. Campion A. Capone L. Caramete F. Carenini J. Carr V. Carretero S. Celli L. Cerisy M. Chabab R. Cherkaoui El Moursli T. Chiarusi M. Circella J. A. B. Coelho A. Coleiro R. Coniglione P. Coyle A. Creusot A. S. M. Cruz A. F. Díaz B. De Martino C. Distefano I. Di Palma A. Domi C. Donzaud D. Dornic D. Drouhin T. Eberl T. van Eeden D. van Eijk S. El Hedri N. El Khayati A. Enzenhöfer P. Fermani G. Ferrara F. Filippini L. Fusco S. Gagliardini J. García C. Gatius Oliver P. Gay N. Geißelbrecht H. Glotin R. Gozzini R. Gracia Ruiz K. Graf C. Guidi L. Haegel S. Hallmann H. van Haren A. J. Heijboer Y. Hello J. J. Hernández-Rey J. Hößl J. Hofestädt F. Huang G. Illuminati C. W. James B. Jisse-Jung M. de Jong P. de Jong M. Kadler O. Kalekin U. Katz A. Kouchner Y. A Kovalev Y. Y Kovalev I. Kreykenbohm V. Kulikovskiy R. Lahmann M. Lamoureux A. Lazo D. Lefèvre E. Leonora G. Levi S. Le Stum D. Lopez-Coto S. Loucatos L. Maderer J. Manczak M. Marcelin A. Margiotta A. Marinelli J. A. Martínez-Mora P. Migliozzi A. Moussa R. Muller S. Navas E. Nezri B. Ó Fearraigh E. Oukacha A. Păun G. E. Păvălaş S. Peña-Martínez M. Perrin-Terrin V. Pestel P. Piattelli A. Plavin C. Poirè V. Popa T. Pradier A. Pushkarev N. Randazzo D. Real S. Reck G. Riccobene A. Romanov A. Sánchez-Losa A. Saina F. Salesa Greus D. F. E. Samtleben M. Sanguineti P. Sapienza J. Schnabel J. Schumann F. Schüssler J. Seneca M. Spurio Th. Stolarczyk M. Taiuti Y. Tayalati S. J. Tingay S. Troitsky B. Vallage G. Vannoye V. Van Elewyck S. Viola D. Vivolo J. Wilms S. Zavatarelli A. Zegarelli J. D. Zornoza J. Zúñiga ANTARES Collaboration T. Hovatta S. Kiehlmann I. Liodakis V. Pavlidou A. C. S Readhead OVRO Collaboration |
| author_sort | A. Albert |
| collection | DOAJ |
| description | Active galaxies, especially blazars, are among the most promising extragalactic candidates for high-energy neutrino sources. To date, ANTARES searches included these objects and used GeV–TeV γ -ray flux to select blazars. Here, a statistically complete blazar sample selected by their bright radio emission is used as the target for searches of origins of neutrinos collected by the ANTARES neutrino telescope over 13 yr of operation. The hypothesis of a neutrino–blazar directional correlation is tested by pair counting and a complementary likelihood-based approach. The resulting posttrial p -value is 3.0% (2.2 σ in the two-sided convention). Additionally, a time-dependent analysis is performed to search for temporal clustering of neutrino candidates as a means of detecting neutrino flares in blazars. None of the investigated sources alone reaches a significant flare detection level. However, the presence of 18 sources with a pretrial significance above 3 σ indicates a p = 1.4% (2.5 σ in the two-sided convention) detection of a time-variable neutrino flux. An a posteriori investigation reveals an intriguing temporal coincidence of neutrino, radio, and γ -ray flares of the J0242+1101 blazar at a p = 0.5% (2.9 σ in the two-sided convention) level. Altogether, the results presented here suggest a possible connection of neutrino candidates detected by the ANTARES telescope with radio-bright blazars. |
| first_indexed | 2024-04-25T00:55:31Z |
| format | Article |
| id | doaj.art-f2df9993f9414faa82a914797a85b37e |
| institution | Directory Open Access Journal |
| issn | 1538-4357 |
| language | English |
| last_indexed | 2024-04-25T00:55:31Z |
| publishDate | 2024-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | The Astrophysical Journal |
| spelling | doaj.art-f2df9993f9414faa82a914797a85b37e2024-03-11T11:26:20ZengIOP PublishingThe Astrophysical Journal1538-43572024-01-019641310.3847/1538-4357/ad1f5bSearches for Neutrinos in the Direction of Radio-bright Blazars with the ANTARES TelescopeA. Albert0S. Alves1M. André2M. Ardid3S. Ardid4J.-J. Aubert5J. Aublin6B. Baret7S. Basa8Y. Becherini9B. Belhorma10M. Bendahman11F. Benfenati12V. Bertin13S. Biagi14M. Bissinger15J. Boumaaza16M. Bouta17M. C. Bouwhuis18H. Brânzaş19R. Bruijn20J. Brunner21J. Busto22B. Caiffi23D. Calvo24S. Campion25A. Capone26L. Caramete27F. Carenini28J. Carr29V. Carretero30S. Celli31L. Cerisy32M. Chabab33R. Cherkaoui El Moursli34T. Chiarusi35M. Circella36J. A. B. Coelho37A. Coleiro38R. Coniglione39P. Coyle40A. Creusot41A. S. M. Cruz42A. F. Díaz43B. De Martino44C. Distefano45I. Di Palma46A. Domi47C. Donzaud48D. Dornic49D. Drouhin50T. Eberl51T. van Eeden52D. van Eijk53S. El Hedri54N. El Khayati55A. Enzenhöfer56P. Fermani57G. Ferrara58F. Filippini59L. Fusco60S. Gagliardini61J. García62C. Gatius Oliver63P. Gay64N. Geißelbrecht65H. Glotin66R. Gozzini67R. Gracia Ruiz68K. Graf69C. Guidi70L. Haegel71S. Hallmann72H. van Haren73A. J. Heijboer74Y. Hello75J. J. Hernández-Rey76J. Hößl77J. Hofestädt78https://orcid.org/0000-0002-7848-117XF. Huang79G. Illuminati80https://orcid.org/0000-0002-4138-8027C. W. James81B. Jisse-Jung82M. de Jong83P. de Jong84M. Kadler85O. Kalekin86U. Katz87A. Kouchner88Y. A Kovalev89Y. Y Kovalev90I. Kreykenbohm91https://orcid.org/0000-0001-7335-1803V. Kulikovskiy92R. Lahmann93M. Lamoureux94A. Lazo95D. Lefèvre96E. Leonora97https://orcid.org/0000-0002-0536-3551G. Levi98S. Le Stum99D. Lopez-Coto100S. Loucatos101L. Maderer102J. Manczak103M. Marcelin104A. Margiotta105A. Marinelli106J. A. Martínez-Mora107P. Migliozzi108A. Moussa109R. Muller110S. Navas111E. Nezri112B. Ó Fearraigh113E. Oukacha114A. Păun115G. E. Păvălaş116S. Peña-Martínez117M. Perrin-Terrin118V. Pestel119P. Piattelli120https://orcid.org/0000-0003-4748-6485A. Plavin121https://orcid.org/0000-0003-2914-8554C. Poirè122V. Popa123T. Pradier124A. Pushkarev125https://orcid.org/0000-0002-9702-2307N. Randazzo126D. Real127S. Reck128G. Riccobene129A. Romanov130A. Sánchez-Losa131https://orcid.org/0000-0001-9596-7078A. Saina132F. Salesa Greus133D. F. E. Samtleben134M. Sanguineti135https://orcid.org/0000-0002-7206-2097P. Sapienza136J. Schnabel137J. Schumann138F. Schüssler139https://orcid.org/0000-0003-1500-6571J. Seneca140M. Spurio141https://orcid.org/0000-0002-8698-3655Th. Stolarczyk142https://orcid.org/0000-0002-0551-7581M. Taiuti143Y. Tayalati144S. J. Tingay145S. Troitsky146B. Vallage147https://orcid.org/0000-0003-1255-8506G. Vannoye148V. Van Elewyck149S. Viola150D. Vivolo151J. Wilms152S. Zavatarelli153A. Zegarelli154J. D. Zornoza155J. Zúñiga156ANTARES CollaborationT. Hovatta157https://orcid.org/0000-0002-2024-8199S. Kiehlmann158https://orcid.org/0000-0001-6314-9177I. Liodakis159V. Pavlidou160A. C. S Readhead161OVRO CollaborationUniversité de Strasbourg , CNRS, IPHC UMR 7178, F-67000 Strasbourg, France; Université de Haute Alsace , F-68100 Mulhouse, FranceIFIC—Instituto de Física Corpuscular (CSIC—Universitat de València) c/ Catedrático José Beltrán , 2 E-46980 Paterna, Valencia, SpainTechnical University of Catalonia , Laboratory of Applied Bioacoustics, Rambla Exposició, 08800 Vilanova i la Geltrú, Barcelona, SpainInstitut d’Investigació per a la Gestió Integrada de les Zones Costaneres (IGIC) - Universitat Politècnica de València. C/ Paranimf 1 , 46730 Gandia, SpainInstitut d’Investigació per a la Gestió Integrada de les Zones Costaneres (IGIC) - Universitat Politècnica de València. C/ Paranimf 1 , 46730 Gandia, SpainAix Marseille Univ , CNRS/IN2P3, CPPM, Marseille, FranceUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.frUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.frAix Marseille Univ , CNRS, CNES, LAM, Marseille, FranceUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.frNational Center for Energy Sciences and Nuclear Techniques , B.P.1382, R.P.10001 Rabat, MoroccoUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.fr; University Mohammed V in Rabat , Faculty of Sciences, 4 av. Ibn Battouta, B.P. 1014, R.P. 10000, MoroccoINFN—Sezione di Bologna , Viale Berti-Pichat 6/2, 40127 Bologna, Italy ; giulia.illuminati@bo.infn.it; Dipartimento di Fisica e Astronomia dell’Università di Bologna , Viale Berti-Pichat 6/2, 40127, Bologna, ItalyAix Marseille Univ , CNRS/IN2P3, CPPM, Marseille, FranceINFN—Laboratori Nazionali del Sud (LNS) , Via S. Sofia 62, 95123 Catania, ItalyFriedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyUniversity Mohammed V in Rabat , Faculty of Sciences, 4 av. Ibn Battouta, B.P. 1014, R.P. 10000, MoroccoUniversity Mohammed I , Laboratory of Physics of Matter and Radiations, B.P.717, Oujda 6000, MoroccoNikhef, Science Park , Amsterdam, The NetherlandsInstitute of Space Science , RO-077125 Bucharest, Măgurele, RomaniaNikhef, Science Park , Amsterdam, The Netherlands; Universiteit van Amsterdam , Instituut voor Hoge-Energie Fysica, Science Park 105, 1098 XG Amsterdam, The NetherlandsAix Marseille Univ , CNRS/IN2P3, CPPM, Marseille, FranceAix Marseille Univ , CNRS/IN2P3, CPPM, Marseille, FranceINFN—Sezione di Genova , Via Dodecaneso 33, 16146 Genova, ItalyIFIC—Instituto de Física Corpuscular (CSIC—Universitat de València) c/ Catedrático José Beltrán , 2 E-46980 Paterna, Valencia, SpainINFN—Sezione di Roma , P.le Aldo Moro 2, 00185 Roma, Italy; Dipartimento di Fisica dell’Università La Sapienza , P.le Aldo Moro 2, 00185 Roma, ItalyINFN—Sezione di Roma , P.le Aldo Moro 2, 00185 Roma, Italy; Dipartimento di Fisica dell’Università La Sapienza , P.le Aldo Moro 2, 00185 Roma, ItalyInstitute of Space Science , RO-077125 Bucharest, Măgurele, RomaniaINFN—Sezione di Bologna , Viale Berti-Pichat 6/2, 40127 Bologna, Italy ; giulia.illuminati@bo.infn.it; Dipartimento di Fisica e Astronomia dell’Università di Bologna , Viale Berti-Pichat 6/2, 40127, Bologna, ItalyAix Marseille Univ , CNRS/IN2P3, CPPM, Marseille, FranceIFIC—Instituto de Física Corpuscular (CSIC—Universitat de València) c/ Catedrático José Beltrán , 2 E-46980 Paterna, Valencia, SpainINFN—Sezione di Roma , P.le Aldo Moro 2, 00185 Roma, Italy; Dipartimento di Fisica dell’Università La Sapienza , P.le Aldo Moro 2, 00185 Roma, ItalyAix Marseille Univ , CNRS/IN2P3, CPPM, Marseille, FranceLPHEA, Faculty of Science—Semlali, Cadi Ayyad University , P.O.B. 2390, Marrakech, Morocco .University Mohammed V in Rabat , Faculty of Sciences, 4 av. Ibn Battouta, B.P. 1014, R.P. 10000, MoroccoINFN—Sezione di Bologna , Viale Berti-Pichat 6/2, 40127 Bologna, Italy ; giulia.illuminati@bo.infn.itINFN—Sezione di Bari , Via E. Orabona 4, 70126 Bari, ItalyUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.frUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.frINFN—Laboratori Nazionali del Sud (LNS) , Via S. Sofia 62, 95123 Catania, ItalyAix Marseille Univ , CNRS/IN2P3, CPPM, Marseille, FranceUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.frInternational Centre for Radio Astronomy Research—Curtin University , Bentley, WA 6102, AustraliaDepartment of Computer Architecture and Technology/CITIC, University of Granada , 18071 Granada, SpainAix Marseille Univ , CNRS/IN2P3, CPPM, Marseille, FranceINFN—Laboratori Nazionali del Sud (LNS) , Via S. Sofia 62, 95123 Catania, ItalyINFN—Sezione di Roma , P.le Aldo Moro 2, 00185 Roma, Italy; Dipartimento di Fisica dell’Università La Sapienza , P.le Aldo Moro 2, 00185 Roma, ItalyNikhef, Science Park , Amsterdam, The Netherlands; Universiteit van Amsterdam , Instituut voor Hoge-Energie Fysica, Science Park 105, 1098 XG Amsterdam, The NetherlandsUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.fr; Université Paris-Sud , 91405 Orsay Cedex, FranceAix Marseille Univ , CNRS/IN2P3, CPPM, Marseille, FranceUniversité de Strasbourg , CNRS, IPHC UMR 7178, F-67000 Strasbourg, France; Université de Haute Alsace , F-68100 Mulhouse, FranceFriedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyNikhef, Science Park , Amsterdam, The NetherlandsNikhef, Science Park , Amsterdam, The NetherlandsUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.frUniversity Mohammed V in Rabat , Faculty of Sciences, 4 av. Ibn Battouta, B.P. 1014, R.P. 10000, MoroccoAix Marseille Univ , CNRS/IN2P3, CPPM, Marseille, FranceINFN—Sezione di Roma , P.le Aldo Moro 2, 00185 Roma, Italy; Dipartimento di Fisica dell’Università La Sapienza , P.le Aldo Moro 2, 00185 Roma, ItalyINFN—Laboratori Nazionali del Sud (LNS) , Via S. Sofia 62, 95123 Catania, ItalyINFN—Sezione di Bologna , Viale Berti-Pichat 6/2, 40127 Bologna, Italy ; giulia.illuminati@bo.infn.it; Dipartimento di Fisica e Astronomia dell’Università di Bologna , Viale Berti-Pichat 6/2, 40127, Bologna, ItalyUniversità di Salerno e INFN Gruppo Collegato di Salerno , Dipartimento di Fisica, Via Giovanni Paolo II 132, Fisciano, 84084 ItalyINFN—Sezione di Roma , P.le Aldo Moro 2, 00185 Roma, Italy; Dipartimento di Fisica dell’Università La Sapienza , P.le Aldo Moro 2, 00185 Roma, ItalyInstitut d’Investigació per a la Gestió Integrada de les Zones Costaneres (IGIC) - Universitat Politècnica de València. C/ Paranimf 1 , 46730 Gandia, SpainNikhef, Science Park , Amsterdam, The NetherlandsUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.fr; Laboratoire de Physique Corpusculaire, Clermont Université , Université Blaise Pascal, CNRS/IN2P3, BP 10448, F-63000 Clermont-Ferrand, FranceFriedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyLIS, UMR Université de Toulon , Aix Marseille Université, CNRS, 83041 Toulon, FranceIFIC—Instituto de Física Corpuscular (CSIC—Universitat de València) c/ Catedrático José Beltrán , 2 E-46980 Paterna, Valencia, SpainFriedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyFriedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyINFN—Sezione di Genova , Via Dodecaneso 33, 16146 Genova, Italy; Dipartimento di Fisica dell’Università , Via Dodecaneso 33, 16146 Genova, ItalyUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.frFriedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyRoyal Netherlands Institute for Sea Research (NIOZ) , Landsdiep 4, 1797 SZ ’t Horntje (Texel), The NetherlandsNikhef, Science Park , Amsterdam, The NetherlandsGéoazur, UCA, CNRS, IRD, Observatoire de la Côte d’Azur , Sophia Antipolis, FranceIFIC—Instituto de Física Corpuscular (CSIC—Universitat de València) c/ Catedrático José Beltrán , 2 E-46980 Paterna, Valencia, SpainFriedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyFriedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyAix Marseille Univ , CNRS/IN2P3, CPPM, Marseille, FranceINFN—Sezione di Bologna , Viale Berti-Pichat 6/2, 40127 Bologna, Italy ; giulia.illuminati@bo.infn.itInternational Centre for Radio Astronomy Research—Curtin University , Bentley, WA 6102, AustraliaNikhef, Science Park , Amsterdam, The NetherlandsNikhef, Science Park , Amsterdam, The Netherlands; Huygens-Kamerlingh Onnes Laboratorium, Universiteit Leiden , The NetherlandsNikhef, Science Park , Amsterdam, The Netherlands; Universiteit van Amsterdam , Instituut voor Hoge-Energie Fysica, Science Park 105, 1098 XG Amsterdam, The NetherlandsInstitut für Theoretische Physik und Astrophysik, Universität Würzburg , Emil-Fischer Str. 31, 97074 Würzburg, GermanyFriedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyFriedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.frLebedev Physical Institute of the Russian Academy of Sciences , Leninsky prospekt 53, 119991 Moscow, Russia ; alexander@plav.inLebedev Physical Institute of the Russian Academy of Sciences , Leninsky prospekt 53, 119991 Moscow, Russia ; alexander@plav.in; Max-Planck-Institut für Radioastronomie , Auf dem Hügel 69, 53121 Bonn, Germany; Moscow Institute of Physics and Technology , Institutsky per. 9, Dolgoprudny 141700, RussiaDr. Remeis-Sternwarte and ECAP, Friedrich-Alexander-Universität Erlangen-Nürnberg , Sternwartstr. 7, 96049 Bamberg, GermanyINFN—Sezione di Genova , Via Dodecaneso 33, 16146 Genova, ItalyFriedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.frIFIC—Instituto de Física Corpuscular (CSIC—Universitat de València) c/ Catedrático José Beltrán , 2 E-46980 Paterna, Valencia, SpainMediterranean Institute of Oceanography (MIO), Aix-Marseille University , 13288, Marseille, Cedex 9, France; Université du Sud Toulon-Var, CNRS-INSU/IRD UM 110, 83957, La Garde Cedex, FranceINFN—Sezione di Catania , Via S. Sofia 64, 95123 Catania, ItalyINFN—Sezione di Bologna , Viale Berti-Pichat 6/2, 40127 Bologna, Italy ; giulia.illuminati@bo.infn.it; Dipartimento di Fisica e Astronomia dell’Università di Bologna , Viale Berti-Pichat 6/2, 40127, Bologna, ItalyAix Marseille Univ , CNRS/IN2P3, CPPM, Marseille, FranceDpto. de Física Teórica y del Cosmos & C.A.F.P.E., University of Granada , 18071 Granada, SpainUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.fr; IRFU, CEA, Université Paris-Saclay , F-91191 Gif-sur-Yvette, FranceUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.frIFIC—Instituto de Física Corpuscular (CSIC—Universitat de València) c/ Catedrático José Beltrán , 2 E-46980 Paterna, Valencia, SpainAix Marseille Univ , CNRS, CNES, LAM, Marseille, FranceINFN—Sezione di Bologna , Viale Berti-Pichat 6/2, 40127 Bologna, Italy ; giulia.illuminati@bo.infn.it; Dipartimento di Fisica e Astronomia dell’Università di Bologna , Viale Berti-Pichat 6/2, 40127, Bologna, ItalyINFN—Sezione di Napoli, Complesso Univ. Monte S. Angelo , I-80126 Napoli, Italy; Dipartimento di Fisica Ettore Pancini, Università degli studi di Napoli Federico II , Complesso Univ. Monte S. Angelo, I-80126 Napoli, ItalyInstitut d’Investigació per a la Gestió Integrada de les Zones Costaneres (IGIC) - Universitat Politècnica de València. C/ Paranimf 1 , 46730 Gandia, SpainINFN—Sezione di Napoli , Via Cintia 80126 Napoli, ItalyUniversity Mohammed I , Laboratory of Physics of Matter and Radiations, B.P.717, Oujda 6000, MoroccoNikhef, Science Park , Amsterdam, The NetherlandsDpto. de Física Teórica y del Cosmos & C.A.F.P.E., University of Granada , 18071 Granada, SpainAix Marseille Univ , CNRS, CNES, LAM, Marseille, FranceNikhef, Science Park , Amsterdam, The NetherlandsUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.frInstitute of Space Science , RO-077125 Bucharest, Măgurele, RomaniaInstitute of Space Science , RO-077125 Bucharest, Măgurele, RomaniaUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.frAix Marseille Univ , CNRS/IN2P3, CPPM, Marseille, FranceNikhef, Science Park , Amsterdam, The NetherlandsINFN—Laboratori Nazionali del Sud (LNS) , Via S. Sofia 62, 95123 Catania, ItalyLebedev Physical Institute of the Russian Academy of Sciences , Leninsky prospekt 53, 119991 Moscow, Russia ; alexander@plav.in; Black Hole Initiative at Harvard University , 20 Garden Street, Cambridge, MA 02138, USAInstitut d’Investigació per a la Gestió Integrada de les Zones Costaneres (IGIC) - Universitat Politècnica de València. C/ Paranimf 1 , 46730 Gandia, SpainInstitute of Space Science , RO-077125 Bucharest, Măgurele, RomaniaUniversité de Strasbourg , CNRS, IPHC UMR 7178, F-67000 Strasbourg, FranceLebedev Physical Institute of the Russian Academy of Sciences , Leninsky prospekt 53, 119991 Moscow, Russia ; alexander@plav.in; Crimean Astrophysical Observatory , 298409 Nauchny, Crimea, RussiaINFN—Sezione di Catania , Via S. Sofia 64, 95123 Catania, ItalyIFIC—Instituto de Física Corpuscular (CSIC—Universitat de València) c/ Catedrático José Beltrán , 2 E-46980 Paterna, Valencia, SpainFriedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyINFN—Laboratori Nazionali del Sud (LNS) , Via S. Sofia 62, 95123 Catania, ItalyINFN—Sezione di Genova , Via Dodecaneso 33, 16146 Genova, Italy; Dipartimento di Fisica dell’Università , Via Dodecaneso 33, 16146 Genova, ItalyIFIC—Instituto de Física Corpuscular (CSIC—Universitat de València) c/ Catedrático José Beltrán , 2 E-46980 Paterna, Valencia, Spain; INFN—Sezione di Bari , Via E. Orabona 4, 70126 Bari, ItalyIFIC—Instituto de Física Corpuscular (CSIC—Universitat de València) c/ Catedrático José Beltrán , 2 E-46980 Paterna, Valencia, SpainIFIC—Instituto de Física Corpuscular (CSIC—Universitat de València) c/ Catedrático José Beltrán , 2 E-46980 Paterna, Valencia, SpainNikhef, Science Park , Amsterdam, The Netherlands; Huygens-Kamerlingh Onnes Laboratorium, Universiteit Leiden , The NetherlandsINFN—Sezione di Genova , Via Dodecaneso 33, 16146 Genova, Italy; Dipartimento di Fisica dell’Università , Via Dodecaneso 33, 16146 Genova, ItalyINFN—Laboratori Nazionali del Sud (LNS) , Via S. Sofia 62, 95123 Catania, ItalyFriedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyFriedrich-Alexander-Universität Erlangen-Nürnberg , Erlangen Centre for Astroparticle Physics, Erwin-Rommel-Str. 1, 91058 Erlangen, GermanyIRFU, CEA, Université Paris-Saclay , F-91191 Gif-sur-Yvette, FranceNikhef, Science Park , Amsterdam, The NetherlandsINFN—Sezione di Bologna , Viale Berti-Pichat 6/2, 40127 Bologna, Italy ; giulia.illuminati@bo.infn.it; Dipartimento di Fisica e Astronomia dell’Università di Bologna , Viale Berti-Pichat 6/2, 40127, Bologna, ItalyIRFU, CEA, Université Paris-Saclay , F-91191 Gif-sur-Yvette, FranceINFN—Sezione di Genova , Via Dodecaneso 33, 16146 Genova, Italy; Dipartimento di Fisica dell’Università , Via Dodecaneso 33, 16146 Genova, ItalyUniversity Mohammed V in Rabat , Faculty of Sciences, 4 av. Ibn Battouta, B.P. 1014, R.P. 10000, MoroccoInternational Centre for Radio Astronomy Research—Curtin University , Bentley, WA 6102, AustraliaInstitute for Nuclear Research of the Russian Academy of Sciences , 60th October Anniversary Prospect 7a, Moscow, Russia; Faculty of Physics, M.V. Lomonosov Moscow State University , 1-2 Leninskie Gory, Moscow 119991, RussiaUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.fr; IRFU, CEA, Université Paris-Saclay , F-91191 Gif-sur-Yvette, FranceAix Marseille Univ , CNRS/IN2P3, CPPM, Marseille, FranceUniversité Paris Cité , CNRS, Astroparticule et Cosmologie, F-75013 Paris, France ; julien.aublin@apc.in2p3.fr; Institut Universitaire de France , 75005 Paris, FranceINFN—Laboratori Nazionali del Sud (LNS) , Via S. Sofia 62, 95123 Catania, ItalyINFN—Sezione di Napoli , Via Cintia 80126 Napoli, Italy; Dipartimento di Fisica dell’Università Federico II di Napoli , Via Cintia 80126, Napoli, ItalyDr. Remeis-Sternwarte and ECAP, Friedrich-Alexander-Universität Erlangen-Nürnberg , Sternwartstr. 7, 96049 Bamberg, GermanyINFN—Sezione di Genova , Via Dodecaneso 33, 16146 Genova, ItalyINFN—Sezione di Roma , P.le Aldo Moro 2, 00185 Roma, Italy; Dipartimento di Fisica dell’Università La Sapienza , P.le Aldo Moro 2, 00185 Roma, ItalyIFIC—Instituto de Física Corpuscular (CSIC—Universitat de València) c/ Catedrático José Beltrán , 2 E-46980 Paterna, Valencia, SpainIFIC—Instituto de Física Corpuscular (CSIC—Universitat de València) c/ Catedrático José Beltrán , 2 E-46980 Paterna, Valencia, SpainFinnish Center for Astronomy with ESO, University of Turku , Vesilinnantie 5, FI-20014, Finland; Aalto University Metsähovi Radio Observatory , Metsähovintie 114, FI-02540 Kylmälä, FinlandInstitute of Astrophysics , Foundation for Research and Technology-Hellas, GR-70013 Heraklion, Greece; Department of Physics and Institute of Theoretical and Computational Physics, University of Crete , 70013 Heraklion, GreeceFinnish Center for Astronomy with ESO, University of Turku , Vesilinnantie 5, FI-20014, FinlandInstitute of Astrophysics , Foundation for Research and Technology-Hellas, GR-70013 Heraklion, Greece; Department of Physics and Institute of Theoretical and Computational Physics, University of Crete , 70013 Heraklion, GreeceOwens Valley Radio Observatory, California Institute of Technology , Pasadena, CA 91125, USAActive galaxies, especially blazars, are among the most promising extragalactic candidates for high-energy neutrino sources. To date, ANTARES searches included these objects and used GeV–TeV γ -ray flux to select blazars. Here, a statistically complete blazar sample selected by their bright radio emission is used as the target for searches of origins of neutrinos collected by the ANTARES neutrino telescope over 13 yr of operation. The hypothesis of a neutrino–blazar directional correlation is tested by pair counting and a complementary likelihood-based approach. The resulting posttrial p -value is 3.0% (2.2 σ in the two-sided convention). Additionally, a time-dependent analysis is performed to search for temporal clustering of neutrino candidates as a means of detecting neutrino flares in blazars. None of the investigated sources alone reaches a significant flare detection level. However, the presence of 18 sources with a pretrial significance above 3 σ indicates a p = 1.4% (2.5 σ in the two-sided convention) detection of a time-variable neutrino flux. An a posteriori investigation reveals an intriguing temporal coincidence of neutrino, radio, and γ -ray flares of the J0242+1101 blazar at a p = 0.5% (2.9 σ in the two-sided convention) level. Altogether, the results presented here suggest a possible connection of neutrino candidates detected by the ANTARES telescope with radio-bright blazars.https://doi.org/10.3847/1538-4357/ad1f5bNeutrino astronomyBlazars |
| spellingShingle | A. Albert S. Alves M. André M. Ardid S. Ardid J.-J. Aubert J. Aublin B. Baret S. Basa Y. Becherini B. Belhorma M. Bendahman F. Benfenati V. Bertin S. Biagi M. Bissinger J. Boumaaza M. Bouta M. C. Bouwhuis H. Brânzaş R. Bruijn J. Brunner J. Busto B. Caiffi D. Calvo S. Campion A. Capone L. Caramete F. Carenini J. Carr V. Carretero S. Celli L. Cerisy M. Chabab R. Cherkaoui El Moursli T. Chiarusi M. Circella J. A. B. Coelho A. Coleiro R. Coniglione P. Coyle A. Creusot A. S. M. Cruz A. F. Díaz B. De Martino C. Distefano I. Di Palma A. Domi C. Donzaud D. Dornic D. Drouhin T. Eberl T. van Eeden D. van Eijk S. El Hedri N. El Khayati A. Enzenhöfer P. Fermani G. Ferrara F. Filippini L. Fusco S. Gagliardini J. García C. Gatius Oliver P. Gay N. Geißelbrecht H. Glotin R. Gozzini R. Gracia Ruiz K. Graf C. Guidi L. Haegel S. Hallmann H. van Haren A. J. Heijboer Y. Hello J. J. Hernández-Rey J. Hößl J. Hofestädt F. Huang G. Illuminati C. W. James B. Jisse-Jung M. de Jong P. de Jong M. Kadler O. Kalekin U. Katz A. Kouchner Y. A Kovalev Y. Y Kovalev I. Kreykenbohm V. Kulikovskiy R. Lahmann M. Lamoureux A. Lazo D. Lefèvre E. Leonora G. Levi S. Le Stum D. Lopez-Coto S. Loucatos L. Maderer J. Manczak M. Marcelin A. Margiotta A. Marinelli J. A. Martínez-Mora P. Migliozzi A. Moussa R. Muller S. Navas E. Nezri B. Ó Fearraigh E. Oukacha A. Păun G. E. Păvălaş S. Peña-Martínez M. Perrin-Terrin V. Pestel P. Piattelli A. Plavin C. Poirè V. Popa T. Pradier A. Pushkarev N. Randazzo D. Real S. Reck G. Riccobene A. Romanov A. Sánchez-Losa A. Saina F. Salesa Greus D. F. E. Samtleben M. Sanguineti P. Sapienza J. Schnabel J. Schumann F. Schüssler J. Seneca M. Spurio Th. Stolarczyk M. Taiuti Y. Tayalati S. J. Tingay S. Troitsky B. Vallage G. Vannoye V. Van Elewyck S. Viola D. Vivolo J. Wilms S. Zavatarelli A. Zegarelli J. D. Zornoza J. Zúñiga ANTARES Collaboration T. Hovatta S. Kiehlmann I. Liodakis V. Pavlidou A. C. S Readhead OVRO Collaboration Searches for Neutrinos in the Direction of Radio-bright Blazars with the ANTARES Telescope The Astrophysical Journal Neutrino astronomy Blazars |
| title | Searches for Neutrinos in the Direction of Radio-bright Blazars with the ANTARES Telescope |
| title_full | Searches for Neutrinos in the Direction of Radio-bright Blazars with the ANTARES Telescope |
| title_fullStr | Searches for Neutrinos in the Direction of Radio-bright Blazars with the ANTARES Telescope |
| title_full_unstemmed | Searches for Neutrinos in the Direction of Radio-bright Blazars with the ANTARES Telescope |
| title_short | Searches for Neutrinos in the Direction of Radio-bright Blazars with the ANTARES Telescope |
| title_sort | searches for neutrinos in the direction of radio bright blazars with the antares telescope |
| topic | Neutrino astronomy Blazars |
| url | https://doi.org/10.3847/1538-4357/ad1f5b |
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searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT jhofestadt searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT fhuang searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT gilluminati searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT cwjames searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT bjissejung searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT mdejong searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT pdejong searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT mkadler searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT okalekin searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT ukatz searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT akouchner searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT yakovalev searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT yykovalev searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT ikreykenbohm searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT vkulikovskiy searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT rlahmann searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT mlamoureux searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT alazo searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT dlefevre searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT eleonora searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT glevi searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT slestum searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT dlopezcoto searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT sloucatos searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT lmaderer searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT jmanczak searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT mmarcelin searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT amargiotta searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT amarinelli searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT jamartinezmora searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT pmigliozzi searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT amoussa searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT rmuller searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT snavas searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT enezri searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT bofearraigh searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT eoukacha searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT apaun searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT gepavalas searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT spenamartinez searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT mperrinterrin searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT vpestel searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT ppiattelli searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT aplavin searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT cpoire searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT vpopa searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT tpradier searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT apushkarev searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT nrandazzo searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT dreal searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT sreck searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT griccobene searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT aromanov searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT asanchezlosa searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT asaina searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT fsalesagreus searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT dfesamtleben searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT msanguineti searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT psapienza searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT jschnabel searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT jschumann searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT fschussler searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT jseneca searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT mspurio searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT thstolarczyk searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT mtaiuti searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT ytayalati searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT sjtingay searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT stroitsky searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT bvallage searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT gvannoye searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT vvanelewyck searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT sviola searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT dvivolo searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT jwilms searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT szavatarelli searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT azegarelli searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT jdzornoza searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT jzuniga searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT antarescollaboration searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT thovatta searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT skiehlmann searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT iliodakis searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT vpavlidou searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT acsreadhead searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope AT ovrocollaboration searchesforneutrinosinthedirectionofradiobrightblazarswiththeantarestelescope |