posted on 2019-05-21, 10:20authored byMG Aartsen, M Ackermann, J Adams, JA Aguilar, M Ahlers, M Ahrens, I Al Samarai, D Altmann, K Andeen, T Anderson, I Ansseau, G Anton, C Arguelles, J Auffenberg, S Axani, H Bagherpour, X Bai, JP Barron, SW Barwick, V Baum, R Bay, JJ Beatty, JB Tjus, K-H Becker, S BenZvi, D Berley, E Bernardini, DZ Besson, G Binder, D Bindig, E Blaufuss, S Blot, C Bohm, M Borner, F Bos, S Boser, O Botner, E Bourbeau, J Bourbeau, F Bradascio, J Braun, M Brenzke, H-P Bretz, S Bron, J Brostean-Kaiser, A Burgman, RS Busse, T Carver, E Cheung, D Chirkin, A Christov, K Clark, L Classen, S Coenders, GH Collin, JM Conrad, P Coppin, P Correa, DF Cowen, R Cross, P Dave, M Day, JPAM de Andre, C De Clercq, JJ DeLaunay, H Dembinski, S De Ridder, P Desiati, KD de Vries, G de Wasseige, M de With, T DeYoung, JC Diaz-Velez, V di Lorenzo, H Dujmovic, JP Dumm, M Dunkman, E Dvorak, B Eberhardt, T Ehrhardt, B Eichmann, P Eller, PA Evenson, S Fahey, AR Fazely, J Felde, K Filimonov, C Finley, S Flis, A Franckowiak, E Friedman, A Fritz, TK Gaisser, J Gallagher, L Gerhardt, K Ghorbani, T Glauch, T Glusenkamp, A Goldschmidt, JG Gonzalez, D Grant, Z Griffith, C Haack, A Hallgren, F Halzen, K Hanson, D Hebecker, D Heereman, K Helbing, R Hellauer, S Hickford, J Hignight, GC Hill, KD Hoffman, R Hoffmann, T Hoinka, B Hokanson-Fasig, K Hoshina, F Huang, M Huber, K Hultqvist, M Hunnefeld, R Hussain, S In, N Iovine, A Ishihara, E Jacobi, GS Japaridze, M Jeong, K Jero, BJP Jones, P Kalaczynski, W Kang, A Kappes, D Kappesser, T Karg, A Karle, U Katz, M Kauer, A Keivani, JL Kelley, A Kheirandish, J Kim, M Kim, T Kintscher, J Kiryluk, T Kittler, SR Klein, R Koirala, H Kolanoski, L Kopke, C Kopper, S Kopper, JP Koschinsky, DJ Koskinen, M Kowalski, K Krings, M Kroll, G Kruckl, S Kunwar, N Kurahashi, T Kuwabara, A Kyriacou, M Labare, JL Lanfranchi, MJ Larson, F Lauber, K Leonard, M Lesiak-Bzdak, M Leuermann, QR Liu, CJL Mariscal, L Lu, J Lunemann, W Luszczak, J Madsen, G Maggi, KBM Mahn, S Mancina, R Maruyama, K Mase, R Maunu, K Meagher, M Medici, M Meier, T Menne, G Merino, T Meures, S Miarecki, J Micallef, G Momente, T Montaruli, RW Moore, R Morse, M Moulai, R Nahnhauer, P Nakarmi, U Naumann, G Neer, H Niederhausen, SC Nowicki, DR Nygren, AO Pollmann, A Olivas, A O'Murchadha, E O'Sullivan, T Palczewski, H Pandya, DV Pankova, P Peiffer, JA Pepper, CP de los Heros, D Pieloth, E Pinat, M Plum, PB Price, GT Przybylski, C Raab, L Radel, M Rameez, L Rauch, K Rawlins, IC Rea, R Reimann, B Relethford, M Relich, E Resconi, W Rhode, M Richman, S Robertson, M Rongen, C Rott, T Ruhe, D Ryckbosch, D Rysewyk, I Safa, T Salzer, SES Herrera, A Sandrock, J Sandroos, M Santander, S Sarkar, K Satalecka, P Schlunder, T Schmidt, A Schneider, S Schoenen, S Schoneberg, L Schumacher, S Sclafani, D Seckel, S Seunarine, J Soedingrekso, D Soldin, M Song, GM Spiczak, C Spiering, J Stachurska, M Stamatikos, T Stanev, A Stasik, R Stein, J Stettner, A Steuer, T Stezelberger, RG Stokstad, A Stossl, NL Strotjohann, T Stuttard, GW Sullivan, M Sutherland, I Taboada, J Tatar, F Tenholt, S Ter-Antonyan, A Terliuk, S Tilav, PA Toale, MN Tobin, C Toennis, S Toscano, D Tosi, M Tselengidou, CF Tung, A Turcati, CF Turley, B Ty, E Unger, M Usner, J Vandenbroucke, W Van Driessche, D van Eijk, N van Eijndhoven, S Vanheule, J van Santen, E Vogel, M Vraeghe, C Walck, A Wallace, M Mallraff, FD Wandler, N Wandkowsky, A Waza, C Weaver, MJ Weiss, C Wendt, J Werthebach, S Westerhoff, BJ Whelan, N Whitehorn, K Wiebe, CH Wiebusch, L Wille, DR Williams, L Wills, M Wolf, J Wood, TR Wood, K Woschnagg, DL Xu, XW Xu, Y Xu, JP Yanez, G Yodh, S Yoshida, T Yuan, S Abdollahi, M Ajello, R Angioni, L Baldini, J Ballet, G Barbiellini, D Bastieri, K Bechtol, R Bellazzini, B Berenji, E Bissaldi, RD Blandford, R Bonino, E Bottacini, J Bregeon, P Bruel, R Buehler, TH Burnett, E Burns, S Buson, RA Cameron, R Caputo, PA Caraveo, E Cavazzuti, E Charles, S Chen, CC Cheung, J Chiang, G Chiaro, S Ciprini, J Cohen-Tanugi, J Conrad, D Costantin, S Cutini, F D'Ammando, F de Palma, SW Digel, N Di Lalla, M Di Mauro, L Di Venere, A Dominguez, C Favuzzi, Y Fukazawa, S Funk, P Fusco, F Gargano, D Gasparrini, N Giglietto, M Giomi, P Giommi, F Giordano, M Giroletti, T Glanzman, D Green, IA Grenier, M-H Grondin, S Guiriec, AK Harding, M Hayashida, E Hays, JW Hewitt, D Horan, G Johannesson, M Kadler, S Kensei, D Kocevski, F Krauss, M Kreter, M Kuss, G La Mura, S Larsson, L Latronico, M Lemoine-Goumard, J Li, F Longo, F Loparco, MN Lovellette, P Lubrano, JD Magill, S Maldera, D Malyshev, A Manfreda, MN Mazziotta, JE McEnery, M Meyer, PF Michelson, T Mizuno, ME Monzani, A Morselli, IV Moskalenko, M Negro, E Nuss, R Ojha, N Omodei, M Orienti, E Orlando, M Palatiello, VS Paliya, JS Perkins, M Persic, M Pesce-Rollins, F Piron, TA Porter, G Principe, S Raino, R Rando, B Rani, M Razzano, S Razzaque, A Reimer, O Reimer, N Renault-Tinacci, S Ritz, LS Rochester, PMS Parkinson, C Sgro, EJ Siskind, G Spandre, P Spinelli, DJ Suson, H Tajima, M Takahashi, Y Tanaka, JB Thayer, DJ Thompson, L Tibaldo, DF Torres, E Torresi, G Tosti, E Troja, J Valverde, G Vianello, M Vogel, K Wood, M Wood, G Zaharijas, ML Ahnen, S Ansoldi, LA Antonelli, C Arcaro, D Baack, A Babic, B Banerjee, P Bangale, UB de Almeida, JA Barrio, JB Gonzalez, W Bednarek, A Berti, W Bhattacharyya, A Biland, O Blanch, G Bonnoli, A Carosi, R Carosi, G Ceribella, A Chatterjee, SM Colak, P Colin, E Colombo, JL Contreras, J Cortina, S Covino, P Cumani, P Da Vela, F Dazzi, A De Angelis, B De Lotto, M Delfino, J Delgado, F Di Pierro, DD Prester, D Dorner, M Doro
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 ~290 tera–electron volts. Its arrival direction was consistent with the location of a known γ-ray blazar, TXS 0506+056, observed to be in a flaring state. An extensive multiwavelength campaign followed, ranging from radio frequencies to γ-rays. These observations characterize the variability and energetics of the blazar and include the detection of TXS 0506+056 in very-high-energy γ-rays. This observation of a neutrino in spatial coincidence with a γ-ray–emitting blazar during an active phase suggests that blazars may be a source of high-energy neutrinos.
Funding
IceCube Collaboration: The IceCube collaboration gratefully acknowledge the support from
the following agencies and institutions: USA – U.S. National Science Foundation-Office of Polar Programs, U.S. National Science Foundation-Physics Division, Wisconsin Alumni Research
Foundation, Center for High Throughput Computing (CHTC) at the University of Wisconsin–Madison, Open Science Grid (OSG), Extreme Science and Engineering Discovery Environment (XSEDE), U.S. Department of Energy–National Energy Research Scientific Computing
Center, Particle astrophysics research computing center at the University of Maryland, Institute
for Cyber-Enabled Research at Michigan State University, and Astroparticle physics computational facility at Marquette University; Belgium – Funds for Scientific Research (FRS-FNRS
and FWO), FWO Odysseus and Big Science programmes, and Belgian Federal Science Policy
Office (Belspo); Germany – Bundesministerium für Bildung und Forschung (BMBF), Deutsche
Forschungsgemeinschaft (DFG), Helmholtz Alliance for Astroparticle Physics (HAP), Initiative and Networking Fund of the Helmholtz Association, Deutsches Elektronen Synchrotron
(DESY), and High Performance Computing cluster of the RWTH Aachen; Sweden – Swedish
Research Council, Swedish Polar Research Secretariat, Swedish National Infrastructure for
Computing (SNIC), and Knut and Alice Wallenberg Foundation; Australia – Australian Research Council; Canada – Natural Sciences and Engineering Research Council of Canada,
Calcul Québec, Compute Ontario, Canada Foundation for Innovation, WestGrid, and Compute Canada; Denmark – Villum Fonden, Danish National Research Foundation (DNRF); New
Zealand – Marsden Fund; Japan - Japan Society for Promotion of Science (JSPS) and Institute
for Global Prominent Research (IGPR) of Chiba University; Korea – National Research Foundation of Korea (NRF); Switzerland – Swiss National Science Foundation (SNSF).
Fermi-LAT collaboration: The Fermi-LAT Collab
History
Citation
Science, 2018, 361 (6398), pp. 146-+ (9)
Author affiliation
/Organisation/COLLEGE OF SCIENCE AND ENGINEERING/Department of Physics and Astronomy
Version
AM (Accepted Manuscript)
Published in
Science
Publisher
American Association for the Advancement of Science