Skip to content
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The Blazar TXS 0506+056 Associated with a High-energy Neutrino: Insights into Extragalactic Jets and Cosmic-Ray Acceleration
Astrophysical Journal Letters, Volume 863, No. 1, Article L10, Year 2018
Notification
URL copied to clipboard!
Description
A neutrino with energy ∼290 TeV, IceCube-170922A, was detected in coincidence with the BL Lac object TXS 0506+056 during enhanced gamma-ray activity, with chance coincidence being rejected at ∼3σ level. We monitored the object in the very-high-energy (VHE) band with the Major Atmospheric Gamma-ray Imaging Cherenkov (MAGIC) telescopes for ∼41 hr from 1.3 to 40.4 days after the neutrino detection. Day-timescale variability is clearly resolved. We interpret the quasi-simultaneous neutrino and broadband electromagnetic observations with a novel one-zone lepto-hadronic model, based on interactions of electrons and protons co-accelerated in the jet with external photons originating from a slow-moving plasma sheath surrounding the faster jet spine. We can reproduce the multiwavelength spectra of TXS 0506+056 with neutrino rate and energy compatible with IceCube-170922A, and with plausible values for the jet power of . The steep spectrum observed by MAGIC is concordant with internal γγ absorption above ∼100 GeV entailed by photohadronic production of a ∼290 TeV neutrino, corroborating a genuine connection between the multi-messenger signals. In contrast to previous predictions of predominantly hadronic emission from neutrino sources, the gamma-rays can be mostly ascribed to inverse Compton upscattering of external photons by accelerated electrons. The X-ray and VHE bands provide crucial constraints on the emission from both accelerated electrons and protons. We infer that the maximum energy of protons in the jet comoving frame can be in the range ∼1014 - 1018 eV. © 2018. The American Astronomical Society.
Authors & Co-Authors
Ansoldi, Stefano
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Japan, Tokyo
The University of Tokyo
Japan, Kyoto
Kyoto University
Japan, Tokyo
Tokai University
Antonelli, Lucio Angelo
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Arcaro, Cornelia H.E.
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Baack, Dominik
Germany, Dortmund
Technische Universität Dortmund
Babić, Ana
Croatia, Zagreb
University of Zagreb
Banerjee, Biswajit
India, Kolkata
Saha Institute of Nuclear Physics
Bangale, Priyadarshini
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Barres De Almeida, Ulisses
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Barrio, Juan Abel
Spain, Madrid
Universidad Complutense de Madrid
Becerra González, Josefa
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Bednarek, Włodzimierz
Poland, Lodz
University of Lodz
Bernardini, Elisa
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Germany, Berlin
Humboldt-universität zu Berlin
Berti, Alessio
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Besenrieder, Jüergen
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Bhattacharyya, Wrijupan
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Bigongiari, C.
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Biland, Adrian
Switzerland, Zurich
Eth Zürich
Blanch, Oscar
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Bonnoli, Giacomo
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Carosi, Roberto
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Ceribella, Giovanni
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Colak, S. M.
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Colin, Pierre
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Colombo, E.
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Contreras, José Luis
Spain, Madrid
Universidad Complutense de Madrid
Cortina, J.
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Covino, Stefano
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Cumani, P.
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
D'Elia, Valerio
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Dazzi, Francesco
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
De Angelis, Alessandro D.
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Delfino, Manuel C.
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Delgado, J.
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Di Pierro, F.
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Domínguez, A. D.
Spain, Madrid
Universidad Complutense de Madrid
Prester, Dijana Dominis
Croatia, Zagreb
University of Zagreb
Dorner, Daniela
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Doro, Michele
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Einecke, Sabrina
Germany, Dortmund
Technische Universität Dortmund
Elsässer, Dominik
Germany, Dortmund
Technische Universität Dortmund
Fallah Ramazani, Vandad
Finland, Turku
Turun Yliopisto
Fattorini, Alicia
Germany, Dortmund
Technische Universität Dortmund
Fernandez-Barral, Alba
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Ferrara, Giovanna
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Fidalgo, David Carreto
Spain, Madrid
Universidad Complutense de Madrid
Foffano, Luca
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Fonseca, M. V.
Spain, Madrid
Universidad Complutense de Madrid
Font, Ll L.
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Fruck, Christian
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Gallozzi, Stefano
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Garczarczyk, Markus
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Gaug, Markus
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Giammaria, P.
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Godinović, Nikola
Croatia, Zagreb
University of Zagreb
Guberman, D.
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Hadasch, Daniela
Japan, Tokyo
The University of Tokyo
Hahn, A.
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Hassan, Tarek
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Hayashida, Masaaki
Japan, Tokyo
The University of Tokyo
Herrera, Juan Carlos Helo
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Hoang, John K.
Spain, Madrid
Universidad Complutense de Madrid
Hrupec, Dario
Croatia, Zagreb
University of Zagreb
Inoue, Susumu
Japan, Tokyo
The University of Tokyo
Japan, Kyoto
Kyoto University
Japan, Tokyo
Tokai University
Ishio, Kazuma
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Iwamura, Yuki
Japan, Tokyo
The University of Tokyo
Japan, Kyoto
Kyoto University
Japan, Tokyo
Tokai University
Konno, Yusuke
Japan, Tokyo
The University of Tokyo
Japan, Kyoto
Kyoto University
Japan, Tokyo
Tokai University
Kubo, Hidetoshi
Japan, Tokyo
The University of Tokyo
Japan, Kyoto
Kyoto University
Japan, Tokyo
Tokai University
Kushida, Junko
Japan, Tokyo
The University of Tokyo
Japan, Kyoto
Kyoto University
Japan, Tokyo
Tokai University
Lamastra, Alessandra
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Lelas, Damir
Croatia, Zagreb
University of Zagreb
Leone, Francesco
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Lindfors, Elina J.
Finland, Turku
Turun Yliopisto
Lombardi, Saverio
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Longo, Francesco
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
López-Moya, Marcos
Spain, Madrid
Universidad Complutense de Madrid
Maggio, Camilla
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Majumdar, Pratik
India, Kolkata
Saha Institute of Nuclear Physics
Makariev, M. V.
Bulgaria, Sofia
The Bulgarian Academy of Sciences
Maneva, Galina M.
Bulgaria, Sofia
The Bulgarian Academy of Sciences
Manganaro, Marina
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Mannheim, Karl
Germany, Wurzburg
Julius-maximilians-universität Würzburg
Maraschi, Laura
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Mariotti, M.
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Martínez, Manel
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Mazin, Daniel
Japan, Tokyo
The University of Tokyo
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Minev, Milen S.
Bulgaria, Sofia
The Bulgarian Academy of Sciences
Mirzoyan, Razmik G.
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Moralejo, Abelardo
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Moreno, Victòria
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Moretti, Elena
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Neustroev, Vitaly V.
Finland, Turku
Turun Yliopisto
Finland, Oulu
Oulun Yliopisto
Maciołek-Niedźwiecki, Andrzej
Poland, Lodz
University of Lodz
Nievas-Rosillo, M.
Spain, Madrid
Universidad Complutense de Madrid
Nilsson, Kari
Finland, Turku
Turun Yliopisto
Finland, Oulu
Oulun Yliopisto
Nishijima, Kyoshi
Japan, Tokyo
The University of Tokyo
Japan, Kyoto
Kyoto University
Japan, Tokyo
Tokai University
Noda, Koji
Japan, Tokyo
The University of Tokyo
Japan, Kyoto
Kyoto University
Japan, Tokyo
Tokai University
Nogués, Leyre
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Paiano, Simona
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Palacio, Joaquim
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Paneque, David
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Paoletti, Riccardo
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Paredes, Josep Maria
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Pedaletti, Giovanna
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Persic, Massimo
Italy, Trieste
Istituto Nazionale Di Fisica Nucleare, Sezione Di Trieste
Pfrang, Konstantin
Germany, Dortmund
Technische Universität Dortmund
Prada Moroni, Pier Giorgio
Italy, Pisa
Istituto Nazionale Di Fisica Nucleare, Sezione Di Pisa
Prandini, Elisa
Italy, Padua
Istituto Nazionale Di Fisica Nucleare, Sezione Di Padova
Puljak, Ivica
Croatia, Zagreb
University of Zagreb
Croatia, Zagreb
Institut Ruđer Bošković
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Rhode, Wolfgang
Germany, Dortmund
Technische Universität Dortmund
Ribó, Marc
Spain, Barcelona
Instituto de Estudios Espaciales de Cataluña
Rico, Javier R.
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Righi, Chiara
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Saha, Lab
Spain, Madrid
Universidad Complutense de Madrid
Schweizer, Thomas
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Sitarek, Julian
Poland, Lodz
University of Lodz
Sobczyńska, Dorota
Poland, Lodz
University of Lodz
Stamerra, Antonio
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Tavecchio, Fabrizio
Italy, Rome
Istituto Nazionale Di Astrofisica, Rome
Terzić, Tomislav
Croatia, Zagreb
University of Zagreb
Teshima, Masahiro
Japan, Tokyo
The University of Tokyo
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Vazquez Acosta, Monica
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Vovk, Ievgen
Germany, Munich
Max Planck Institute for Physics Werner Heisenberg Institute
Ward, John Ennis
Spain, Barcelona
Barcelona Institute of Science and Technology Bist
Cerruti, Matteo
France, Paris
Laboratoire de Physique Nucléaire et de Hautes Energies
Statistics
Citations: 160
Authors: 124
Affiliations: 26
Identifiers
Doi:
10.3847/2041-8213/aad083
ISSN:
20418205
Research Areas
Environmental