HE6 - Cosmic Ray Acceleration, Radiation and Neutrinos in Extragalactic Jets |
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Speaker |
Reimer, Anita |
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Coauthors |
Boettcher, Markus; Buson, Sara; Zhang, Hoacheng; on behalf of the Fermi-LAT Collaboration |
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Photo-Hadronically Produced Neutrinos From TXS 0506+05? |
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Abstract |
Recently, the IceCube Neutrino Observatory has alerted the astrophysical community about the detection of a very energetic neutrino event (called IceCube-170922A). Upon this alert, the Large Area Telescope (LAT) on board the Fermi Gamma-ray Space Telescope reported enhanced gamma-ray emission from BL Lac object TXS 0506+05, compatible with the direction of IceCube-170922A. The fact that this blazar was found in an elevated flux state at LAT energies at the time the 2017 neutrino event occured, motivated a possible association between the gamma-ray source and the neutrino event. Using quasi-simultaneous multi-messenger data of TXS 0506+05, we present here generic model constraints for a photo-hadronic origin of the detected neutrino emission. |
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