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Astrophysics > High Energy Astrophysical Phenomena

arXiv:2108.06990 (astro-ph)
[Submitted on 16 Aug 2021 (v1), last revised 17 Aug 2021 (this version, v2)]

Title:An AGN-starburst composite multi-messenger model of NGC 1068

Authors:Björn Eichmann, Ralf-Jürgen Dettmar, Julia Becker Tjus
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Abstract:Recent multi-wavelength observations indicate that some starburst galaxies show a dominant nonthermal contribution from its central region. These active galactic nuclei (AGN)-starburst composites are of special interest, as both phenomena on their own are potential sources of the high-energetic cosmic rays and their accompanied gamma-ray and neutrino emission. Here, we will focus on NGC 1068, which is known since several years from its atypical radio-gamma-ray correlation. Recently this source has also shown strong indications of high energy neutrino emission. A first semi-analytical, two-component multi-messenger model is presented that already gives some constraints on the AGN-starburst composite characteristics of NGC 1068 and exposes the need to include both starburst \emph{and} AGN corona to describe the multi-messenger data.
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE)
Cite as: arXiv:2108.06990 [astro-ph.HE]
  (or arXiv:2108.06990v2 [astro-ph.HE] for this version)
  https://doi.org/10.48550/arXiv.2108.06990
Related DOI: https://doi.org/10.22323/1.395.1006

Submission history

From: Björn Eichmann [view email]
[v1] Mon, 16 Aug 2021 09:39:29 UTC (2,169 KB)
[v2] Tue, 17 Aug 2021 11:23:03 UTC (2,169 KB)
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