Evidence of Neutrino Emission from X-ray Bright Seyfert Galaxies with IceCube
IceCube,
R. Abbasi,
M. Ackermann,
J. Adams,
S.K. Agarwalla,
J. Aguilar,
M. Ahlers, J.M. Alameddine, S. Ali, N.M.B. Amin, K. Andeen, C. Argüelles, Y. Ashida, S. Athanasiadou, S. Axani, R. Babu, X. Bai, J. Baines-Holmes, A. Balagopal V, S.W. Barwick, S. Bash, V. Basu, R. Bay, J. Beatty, J. Becker Tjus, P. Behrens, J. Beise, C. Bellenghi, B. Benkel, S. BenZvi, D. Berley, E. Bernardini, D. Besson, E. Blaufuss, L. Bloom, S. Blot, I. Bodo, F. Bontempo, J. Book Motzkin, C. Boscolo Meneguolo, S. Boser, O. Botner, J. Bottcher, J. Braun, B. Brinson, Z. Brisson-Tsavoussis, R.T. Burley, D. Butterfield, M. Campana, K. Carloni, J. Carpio, S. Chattopadhyay, T.N. Chau, Z. Chen, D. Chirkin, S. Choi, B. Clark, A. Coleman, P.J.C. Coleman, G. Collin, D.A. Coloma Borja, A. Connolly, J. Conrad, R. Corley, D. Cowen, C. De Clercq, J. DeLaunay, D. Delgado, T. Delmeulle, S. Deng, P. Desiati, K. de Vries, G. de Wasseige, T. DeYoung, J.C. Diaz-Velez, S. DiKerby, M. Dittmer, A. Domi, L. Draper, L. Dueser, D. Durnford, K. Dutta, M. DuVernois, T. Ehrhardt, L. Eidenschink, A. Eimer, P. Eller, E. Ellinger, D. Elsässer, R. Engel, H. Erpenbeck, W. Esmail, S. Eulig, J. Evans, P. Evenson, K.L. Fan, K. Fang, K.R. Farrag, A. Fazely, A. Fedynitch, N. Feigl, C. Finley, L. Fischer, D.B. Fox, A. Franckowiak, S. Fukami, P. Furst, J. Gallagher, E. Ganster, A. Garcia, M. Garcia, G. Garg, E. Genton, L. Gerhardt, A. Ghadimi, C. Glaser, T. Glüsenkamp, J. Gonzalez, S. Goswami, A. Granados, D. Grant, S. Gray, S. Griffin, S. Griswold, K.M. Groth, D.J. Guevel, C. Günther, P. Gutjahr, C.H. Ha, C. Haack, A. Hallgren, L. Halve, F. Halzen, L. Hamacher, M. Ha Minh, M. Handt, K. Hanson, J. Hardin, A. Harnisch, P. Hatch, A. Haungs, J. Haussler, K. Helbing, J. Hellrung, B. Henke, L. Hennig, F. Henningsen, L.P. Heuermann, R. Hewett, N. Heyer, S. Hickford, A. Hidvegi, C. Hill, G. Hill, R. Hmaid, K. Hoffman, D. Hooper, S. Hori, K. Hoshina, M. Hostert, W. Hou, T. Huber, K. Hultqvist, K. Hymon, A. Ishihara, W. Iwakiri, M. Jacquart, S. Jain, O. Janik, M. Jansson, M. Jeong, M. Jin, N. Kamp, D. Kang, W. Kang, X. Kang, A. Kappes, L. Kardum, T. Karg, M. Karl, A. Karle, A. Katil, M. Kauer, J. Kelley, M. Khanal, A. Khatee Zathul, A. Kheirandish, H. KimKu, J. Kiryluk, C. Klein, S. Klein, Y. Kobayashi, A. Kochocki, R. Koirala, H. Kolanoski, T. Kontrimas, L. Kopke, C. Kopper, J. Koskinen, P. Koundal, M. Kowalski, T. Kozynets, N. Krieger, K. Jayakumar, T. Krishnan, K. Kruiswijk, E. Krupczak, A. Kumar, E. Kun, N. Kurahashi, N.N. Lad, C. Lagunas Gualda, L. Lallement Arnaud, M. Lamoureux, M.J. Larson, F.H. Lauber, J. Lazar, K. Leonard DeHolton, A. Leszczynska, J. Liao, C. Lin, Q. Liu, Y. Liu, M. Liubarska, C. Love, L. Lu, F. Lucarelli, W. Luszczak, Y. Lyu, J. Madsen, E. Magnus, K. Mahn, Y. Makino, E. Manao, S. Mancina, A. Mand, I.C. Maris, S. Marka, Z. Marka, L. Marten, I. Martinez-Soler, R.H. Maruyama, J. Mauro, F. Mayhew, F. McNally, J.V. Mead, K. Meagher, S. Mechbal, A. Medina, M. Meier, Y. Merckx, L. Merten, J. Mitchell, L. Molchany, T. Montaruli, R. Moore, Y. Morii, A. Mosbrugger, M. Moulai, D. Mousadi, E. Moyaux, T. Mukherjee, R. Naab, M. Nakos, U. Naumann, J. Necker, L. Neste, M. Neumann, H. Niederhausen, M.U. Nisa, K. Noda, A. Noell, A. Novikov, A. Pollmann, V. O'Dell, A. Olivas, R. Ørsøe, J. Osborn, E. O'Sullivan, V. Palusova, H. Pandya, A. Parenti, N. Park, V. Parrish, E.N. Paudel, L. Paul, C. Pérez de los Heros, T. Pernice, J. Peterson, M. Plum, A. Ponten, V. Poojyam, Y. Popovych, M. Prado Rodriguez, B. Pries, R. Procter-Murphy, G. Przybylski, L. Pyras, C. Raab, J. Rack-Helleis, N. Rad, M.L. Ravn, K. Rawlins, Z. Rechav, A. Rehman, I. Reistroffer, E. Resconi, S. Reusch, C.D. Rho, W. Rhode, L. Ricca, B. Riedel, A. Rifaie, E. Roberts, S. Robertson, M. Rongen, A. Rosted, C. Rott, T. Ruhe, L. Ruohan, D. Ryckbosch, J. Saffer, D. Salazar-Gallegos, P. Sampathkumar, A. Sandrock, G. Sanger-Johnson, M. Santander, S. Sarkar, J. Savelberg, M. Scarnera, P. Schaile, M. Schaufel, H. Schieler, S. Schindler, L. Schlickmann, B. Schlüter, F. Schlüter, N. Schmeisser, T. Schmidt, F. Schröder, L. Schumacher, S. Schwirn, S. Sclafani, D. Seckel, L. Seen, M.F.H. Seikh, S. Seunarine, P.A. Sevle Myhr, R. Shah, S. Shefali, S. N, B. Skrzypek, R. Snihur, J. Soedingrekso, A. Sogaard, D. Soldin, P. Soldin, G. Sommani, C. Spannfellner, G. Spiczak, C. Spiering, J. Stachurska, M. Stamatikos, T. Stanev, T. Stezelberger, T. Sturwald, T. Stuttard, G. Sullivan, I. Taboada, S. Ter-Antonyan, A. Terliuk, A. Thakuri, M. Thiesmeyer, W. Thompson, J. Thwaites, S. Tilav, K. Tollefson, S. Toscano, D. Tosi, A. Trettin, A.K. Upadhyay, K. Upshaw, A. Vaidyanathan, N. Valtonen-Mattila, J. Valverde, J. Vandenbroucke, T. van Eeden, N. van Eijndhoven, L. van Rootselaar, J. van Santen, F.J. Vara Carbonell, F. Varsi, M. Venugopal, M. Vereecken, S. Vergara Carrasco, S. Verpoest, D. Veske, A. Vijai, J. Villarreal, C. Walck, A. Wang, E. Warrick, C. Weaver, P. Weigel, A. Weindl, J. Weldert, A. Wen, C. Wendt, J. Werthebach, M. Weyrauch, N. Whitehorn, C. Wiebusch, D. Williams, L. Witthaus, M. Wolf, G. Wrede, X. Xu, J.P. Yanez, Y. Yao, E.B. Yildizci, S. Yoshida, R. Young, F. Yu, S. Yu*, T. Yuan, A. Zegarelli, S. Zhang, Z. Zhang, P. Zhelnin and P. Zilbermanet al. (click to show)*: corresponding author
Pre-published on:
September 24, 2025
Published on:
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Abstract
The IceCube Neutrino Observatory has detected evidence for TeV neutrinos from NGC 1068, a nearby Seyfert galaxy. This discovery suggests that active galactic nuclei may play a significant role as sources of high-energy astrophysical neutrinos. Interestingly, the absence of the expected TeV gamma-ray flux indicates that these gamma-rays could be effectively obscured at their production site, with the hot coronal environment near the Seyfert galaxy’s core being a plausible location for this attenuation. Theoretical models suggest that the properties of the corona—and thus the production of neutrinos—can be inferred from the galaxy’s intrinsic X-ray luminosity. In this presentation, we report our search for neutrino emission from a sample of X-ray bright Seyfert galaxies selected from the BASS survey. We have employed a disc-corona model to predict the neutrino flux, improving the sensitivity of our search, and compared this model to the more traditional power-law flux assumption. Our stacking analysis shows a 3$\sigma$ neutrino emission signal from the catalog's collective sources.
DOI: https://doi.org/10.22323/1.501.1219
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