Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A

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...

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Main Authors:	Aartsen, M.G., Ackermann, M., Adams, J., Aguilar, J.A., Ahlers, M., Ahrens, M., Al Samarai, I., Altmann, D., Andeen, K., Anderson, T., Ansseau, I., Anton, G., Argüelles, C., Auffenberg, J., Axani, S., Bagherpour, H., Bai, X., Barron, J.P., Barwick, S.W., Baum, V., Bay, R., Beatty, J.J., Becker Tjus, J., Becker, K.H., Benzvi, S., Berley, D., Bernardini, E., Besson, D.Z., Binder, G., Bindig, D., Blaufuss, E., Blot, S., Bohm, C., Börner, M., Bos, F., Böser, S., Botner, O., Bourbeau, E., Bourbeau, J., Bradascio, F., Braun, J., Brenzke, M., Bretz, H.P., Bron, S., Brostean-Kaiser, J., Burgman, A., Busse, R.S., Carver, T., Cheung, E., Chirkin, D., Christov, A., Clark, K., Classen, L., Coenders, S., Collin, G.H., Conrad, J.M., Coppin, P., Correa, P., Cowen, D.F., Cross, R., Dave, P., Day, M., de André, J.P.A.M., De Clercq, C., Delaunay, J.J., Dembinski, H., De Ridder, S., Desiati, P., de Vries, K.D., de Wasseige, G., de With, M., Deyoung, T., Díaz-Vélez, J.C., Di Lorenzo, V., Dujmovic, H., Dumm, J.P., Dunkman, M., Dvorak, E., Eberhardt, B., Ehrhardt, T., Eichmann, B., Eller, P., Evenson, P.A., Fahey, S., Fazely, A.R., Felde, J., Filimonov, K., Finley, C., Flis, S., Franckowiak, A., Friedman, E., Fritz, A., Gaisser, T.K., Gallagher, J., Gerhardt, L., Ghorbani, K., Glauch, T., Glüsenkamp, T., Goldschmidt, A., Gonzalez, J.G.
Format:	Journal Article
Language:	English
Published:	AMER ASSOC ADVANCEMENT SCIENCE 2018
Subjects:	Science & Technology Multidisciplinary Sciences Science & Technology - Other Topics PERFORMANCE TELESCOPE SPECTROGRAPH ORIGIN IceCube Collaboration Fermi-LAT MAGIC AGILE ASAS-SN HAWC H.E.S.S. INTEGRAL Kanata Kiso Kapteyn Liverpool Telescope Subaru Swift/NuSTAR VERITAS VLA/17B-403 teams
Online Access:	http://hdl.handle.net/20.500.11937/91535

_version_	1848765541053890560
author	Aartsen, M.G. Ackermann, M. Adams, J. Aguilar, J.A. Ahlers, M. Ahrens, M. Al Samarai, I. Altmann, D. Andeen, K. Anderson, T. Ansseau, I. Anton, G. Argüelles, C. Auffenberg, J. Axani, S. Bagherpour, H. Bai, X. Barron, J.P. Barwick, S.W. Baum, V. Bay, R. Beatty, J.J. Becker Tjus, J. Becker, K.H. Benzvi, S. Berley, D. Bernardini, E. Besson, D.Z. Binder, G. Bindig, D. Blaufuss, E. Blot, S. Bohm, C. Börner, M. Bos, F. Böser, S. Botner, O. Bourbeau, E. Bourbeau, J. Bradascio, F. Braun, J. Brenzke, M. Bretz, H.P. Bron, S. Brostean-Kaiser, J. Burgman, A. Busse, R.S. Carver, T. Cheung, E. Chirkin, D. Christov, A. Clark, K. Classen, L. Coenders, S. Collin, G.H. Conrad, J.M. Coppin, P. Correa, P. Cowen, D.F. Cross, R. Dave, P. Day, M. de André, J.P.A.M. De Clercq, C. Delaunay, J.J. Dembinski, H. De Ridder, S. Desiati, P. de Vries, K.D. de Wasseige, G. de With, M. Deyoung, T. Díaz-Vélez, J.C. Di Lorenzo, V. Dujmovic, H. Dumm, J.P. Dunkman, M. Dvorak, E. Eberhardt, B. Ehrhardt, T. Eichmann, B. Eller, P. Evenson, P.A. Fahey, S. Fazely, A.R. Felde, J. Filimonov, K. Finley, C. Flis, S. Franckowiak, A. Friedman, E. Fritz, A. Gaisser, T.K. Gallagher, J. Gerhardt, L. Ghorbani, K. Glauch, T. Glüsenkamp, T. Goldschmidt, A. Gonzalez, J.G.
author_facet	Aartsen, M.G. Ackermann, M. Adams, J. Aguilar, J.A. Ahlers, M. Ahrens, M. Al Samarai, I. Altmann, D. Andeen, K. Anderson, T. Ansseau, I. Anton, G. Argüelles, C. Auffenberg, J. Axani, S. Bagherpour, H. Bai, X. Barron, J.P. Barwick, S.W. Baum, V. Bay, R. Beatty, J.J. Becker Tjus, J. Becker, K.H. Benzvi, S. Berley, D. Bernardini, E. Besson, D.Z. Binder, G. Bindig, D. Blaufuss, E. Blot, S. Bohm, C. Börner, M. Bos, F. Böser, S. Botner, O. Bourbeau, E. Bourbeau, J. Bradascio, F. Braun, J. Brenzke, M. Bretz, H.P. Bron, S. Brostean-Kaiser, J. Burgman, A. Busse, R.S. Carver, T. Cheung, E. Chirkin, D. Christov, A. Clark, K. Classen, L. Coenders, S. Collin, G.H. Conrad, J.M. Coppin, P. Correa, P. Cowen, D.F. Cross, R. Dave, P. Day, M. de André, J.P.A.M. De Clercq, C. Delaunay, J.J. Dembinski, H. De Ridder, S. Desiati, P. de Vries, K.D. de Wasseige, G. de With, M. Deyoung, T. Díaz-Vélez, J.C. Di Lorenzo, V. Dujmovic, H. Dumm, J.P. Dunkman, M. Dvorak, E. Eberhardt, B. Ehrhardt, T. Eichmann, B. Eller, P. Evenson, P.A. Fahey, S. Fazely, A.R. Felde, J. Filimonov, K. Finley, C. Flis, S. Franckowiak, A. Friedman, E. Fritz, A. Gaisser, T.K. Gallagher, J. Gerhardt, L. Ghorbani, K. Glauch, T. Glüsenkamp, T. Goldschmidt, A. Gonzalez, J.G.
author_sort	Aartsen, M.G.
building	Curtin Institutional Repository
collection	Online Access
description	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 e290 tera-electron volts. Its arrival direction was consistent with the location of a known g-ray blazar, TXS 0506+056, observed to be in a flaring state. An extensive multiwavelength campaign followed, ranging from radio frequencies to g-rays. These observations characterize the variability and energetics of the blazar and include the detection of TXS 0506+056 in very-high-energy g-rays. This observation of a neutrino in spatial coincidence with a g-ray-emitting blazar during an active phase suggests that blazars may be a source of high-energy neutrinos.
first_indexed	2025-11-14T11:36:53Z
format	Journal Article
id	curtin-20.500.11937-91535
institution	Curtin University Malaysia
institution_category	Local University
language	English
last_indexed	2025-11-14T11:36:53Z
publishDate	2018
publisher	AMER ASSOC ADVANCEMENT SCIENCE
recordtype	eprints
repository_type	Digital Repository
spelling	curtin-20.500.11937-915352023-05-04T04:55:05Z Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A Aartsen, M.G. Ackermann, M. Adams, J. Aguilar, J.A. Ahlers, M. Ahrens, M. Al Samarai, I. Altmann, D. Andeen, K. Anderson, T. Ansseau, I. Anton, G. Argüelles, C. Auffenberg, J. Axani, S. Bagherpour, H. Bai, X. Barron, J.P. Barwick, S.W. Baum, V. Bay, R. Beatty, J.J. Becker Tjus, J. Becker, K.H. Benzvi, S. Berley, D. Bernardini, E. Besson, D.Z. Binder, G. Bindig, D. Blaufuss, E. Blot, S. Bohm, C. Börner, M. Bos, F. Böser, S. Botner, O. Bourbeau, E. Bourbeau, J. Bradascio, F. Braun, J. Brenzke, M. Bretz, H.P. Bron, S. Brostean-Kaiser, J. Burgman, A. Busse, R.S. Carver, T. Cheung, E. Chirkin, D. Christov, A. Clark, K. Classen, L. Coenders, S. Collin, G.H. Conrad, J.M. Coppin, P. Correa, P. Cowen, D.F. Cross, R. Dave, P. Day, M. de André, J.P.A.M. De Clercq, C. Delaunay, J.J. Dembinski, H. De Ridder, S. Desiati, P. de Vries, K.D. de Wasseige, G. de With, M. Deyoung, T. Díaz-Vélez, J.C. Di Lorenzo, V. Dujmovic, H. Dumm, J.P. Dunkman, M. Dvorak, E. Eberhardt, B. Ehrhardt, T. Eichmann, B. Eller, P. Evenson, P.A. Fahey, S. Fazely, A.R. Felde, J. Filimonov, K. Finley, C. Flis, S. Franckowiak, A. Friedman, E. Fritz, A. Gaisser, T.K. Gallagher, J. Gerhardt, L. Ghorbani, K. Glauch, T. Glüsenkamp, T. Goldschmidt, A. Gonzalez, J.G. Science & Technology Multidisciplinary Sciences Science & Technology - Other Topics PERFORMANCE TELESCOPE SPECTROGRAPH ORIGIN IceCube Collaboration Fermi-LAT MAGIC AGILE ASAS-SN HAWC H.E.S.S. INTEGRAL Kanata Kiso Kapteyn Liverpool Telescope Subaru Swift/NuSTAR VERITAS VLA/17B-403 teams 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 e290 tera-electron volts. Its arrival direction was consistent with the location of a known g-ray blazar, TXS 0506+056, observed to be in a flaring state. An extensive multiwavelength campaign followed, ranging from radio frequencies to g-rays. These observations characterize the variability and energetics of the blazar and include the detection of TXS 0506+056 in very-high-energy g-rays. This observation of a neutrino in spatial coincidence with a g-ray-emitting blazar during an active phase suggests that blazars may be a source of high-energy neutrinos. 2018 Journal Article http://hdl.handle.net/20.500.11937/91535 10.1126/science.aat1378 English AMER ASSOC ADVANCEMENT SCIENCE fulltext
spellingShingle	Science & Technology Multidisciplinary Sciences Science & Technology - Other Topics PERFORMANCE TELESCOPE SPECTROGRAPH ORIGIN IceCube Collaboration Fermi-LAT MAGIC AGILE ASAS-SN HAWC H.E.S.S. INTEGRAL Kanata Kiso Kapteyn Liverpool Telescope Subaru Swift/NuSTAR VERITAS VLA/17B-403 teams Aartsen, M.G. Ackermann, M. Adams, J. Aguilar, J.A. Ahlers, M. Ahrens, M. Al Samarai, I. Altmann, D. Andeen, K. Anderson, T. Ansseau, I. Anton, G. Argüelles, C. Auffenberg, J. Axani, S. Bagherpour, H. Bai, X. Barron, J.P. Barwick, S.W. Baum, V. Bay, R. Beatty, J.J. Becker Tjus, J. Becker, K.H. Benzvi, S. Berley, D. Bernardini, E. Besson, D.Z. Binder, G. Bindig, D. Blaufuss, E. Blot, S. Bohm, C. Börner, M. Bos, F. Böser, S. Botner, O. Bourbeau, E. Bourbeau, J. Bradascio, F. Braun, J. Brenzke, M. Bretz, H.P. Bron, S. Brostean-Kaiser, J. Burgman, A. Busse, R.S. Carver, T. Cheung, E. Chirkin, D. Christov, A. Clark, K. Classen, L. Coenders, S. Collin, G.H. Conrad, J.M. Coppin, P. Correa, P. Cowen, D.F. Cross, R. Dave, P. Day, M. de André, J.P.A.M. De Clercq, C. Delaunay, J.J. Dembinski, H. De Ridder, S. Desiati, P. de Vries, K.D. de Wasseige, G. de With, M. Deyoung, T. Díaz-Vélez, J.C. Di Lorenzo, V. Dujmovic, H. Dumm, J.P. Dunkman, M. Dvorak, E. Eberhardt, B. Ehrhardt, T. Eichmann, B. Eller, P. Evenson, P.A. Fahey, S. Fazely, A.R. Felde, J. Filimonov, K. Finley, C. Flis, S. Franckowiak, A. Friedman, E. Fritz, A. Gaisser, T.K. Gallagher, J. Gerhardt, L. Ghorbani, K. Glauch, T. Glüsenkamp, T. Goldschmidt, A. Gonzalez, J.G. Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A
title	Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A
title_full	Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A
title_fullStr	Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A
title_full_unstemmed	Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A
title_short	Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A
title_sort	multimessenger observations of a flaring blazar coincident with high-energy neutrino icecube-170922a
topic	Science & Technology Multidisciplinary Sciences Science & Technology - Other Topics PERFORMANCE TELESCOPE SPECTROGRAPH ORIGIN IceCube Collaboration Fermi-LAT MAGIC AGILE ASAS-SN HAWC H.E.S.S. INTEGRAL Kanata Kiso Kapteyn Liverpool Telescope Subaru Swift/NuSTAR VERITAS VLA/17B-403 teams
url	http://hdl.handle.net/20.500.11937/91535

Multimessenger observations of a flaring blazar coincident with high-energy neutrino IceCube-170922A

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