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Black holes associated with cosmic neutrino flares

Astrophysical neutrinos could originate from blazars, but their modelling is challenging. Instead, the source of cosmic neutrinos could be a special yet unidentified class in which jets burrow through stellar material and produce neutrinos.

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Fig. 1: Blazar shoots neutrinos and gamma rays to Earth.

Stocktrek Images, Inc. / Alamy Stock Photo


  1. The IceCube Collaboration. Science 361, eaat1378 (2018).

    Article  ADS  Google Scholar 

  2. The IceCube Collaboration. Science 361, 147–151 (2018).

    ADS  Google Scholar 

  3. Strotjohann, N. L., Kowalski, M. & Franckowiak, A. Astron. Astrophys. 622, L9 (2019).

    Article  ADS  Google Scholar 

  4. Halzen, F., Kheirandish, A., Weisgarber, T. & Wakely, S. P. Astrophys. J. 874, L9 (2019).

    Article  ADS  Google Scholar 

  5. Britzen, S. et al. Astron. Astrophys. 630, A103 (2019).

    Article  Google Scholar 

  6. Murase, K., Guetta, D. & Ahlers, M. Phys. Rev. Lett. 116, 071101 (2016).

    Article  ADS  Google Scholar 

  7. Neronov, A. & Semikoz, D. V. Preprint at: (2018).

  8. Kun, E., Biermann, P. L. & Gergely, L. Á. Mon. Not. R. Astron. Soc. 483, L42–L46 (2019).

    Article  ADS  Google Scholar 

  9. Lipunov, V. et al. The Astronomer’s Telegram (2019).

  10. Kiehlmann, S., Hovatta, T., Kadler, M., Max-Moerbeck, W. & Readhead, A. C. S. The Astronomer’s Telegram (2019).

  11. Karamanavis, V. et al. Astron. Astrophys. 586, A60 (2016).

    Article  Google Scholar 

  12. Gergely, L. Á. & Biermann, P. L. Astrophys. J. 697, 1621–1633 (2009).

    Article  ADS  Google Scholar 

  13. Kashiyama, K. & Mészáros, P. Astrophys. J. 790, L14 (2014).

    Article  ADS  Google Scholar 

  14. Yuan, C., Mészáros, P., Murase, K. & Jeong, D. Astrophys. J. 857, 50 (2018).

    Article  ADS  Google Scholar 

  15. Yuan, C., Murase, K. & Mészáros, P. Astrophys. J. 878, 76 (2019).

    Article  ADS  Google Scholar 

  16. The IceCube Collaboration. Phys. Rev. Lett. 124, 051103 (2020).

    Article  Google Scholar 

  17. García-Burillo, S. et al. Astron. Astrophys. 567, A125 (2014).

    Article  Google Scholar 

  18. Rottmann, H. Jet-Reorientation in X-shaped Radio Galaxies. Ph. D. thesis, Univ. of Bonn (2001).

  19. Becker Tjus, J., Eichmann, B., Halzen, F., Kheirandish, A. & Saba, S. M. Phys. Rev. D 89, 123005 (2014).

    Article  ADS  Google Scholar 

  20. Hooper, D. J. Cosmol. Astropart. Phys. (2016).

  21. Sanders, D. B. & Mirabel, I. F. Ann. Rev. Astron. Astrophys. 34, 749 (1996).

    Article  ADS  Google Scholar 

  22. Biermann, P. L. et al. Nucl. Phys. B 190, 61–78 (2009).

    Article  Google Scholar 

  23. Gopal-Krishna, Wiita,,P. J. & Joshi, S. Mon. Not. R. Astron. Soc. 380, 703–711 (2007).

    Article  ADS  Google Scholar 

Download references


We thank P.L. Biermann, M. Böttcher, S. Heinz, and J. Gallagher for fruitful discussions. This work was supported in part by the US National Science Foundation under grants PLR-1600823 and PHY-1607644 and by the University of Wisconsin Research Committee with funds granted by the Wisconsin Alumni Research Foundation.

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Correspondence to Francis Halzen or Ali Kheirandish.

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Halzen, F., Kheirandish, A. Black holes associated with cosmic neutrino flares. Nat. Phys. 16, 498–500 (2020).

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