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arXiv · 2107.08115

Testing the AGN Radio and Neutrino correlation using the MOJAVE catalog and 10 years of IceCube Data

Abhishek Desai·Justin Vandenbroucke·Alex Pizzuto
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Abstract

On 22 September 2017, IceCube reported a high-energy neutrino event which was found to be coincident with a flaring blazar, TXS 0506+056. This multi-messenger observation hinted at blazars contributing to the observed high-energy astrophysical neutrinos and raised a need for extensive correlation studies. Recent work shows that the internal absorption of gamma rays, and their interactions intrinsic to the source and with the extragalactic background, will cause a lack of energetic gamma-ray and neutrino correlation while hinting towards a correlation between neutrinos and lower photon energy observations in the X-ray and radio bands. Studies based on published IceCube alerts and radio observations report a possible radio-neutrino correlation in both gamma-ray bright and gamma-ray dim active galactic nuclei (AGN). However, they have marginal statistical significance due to limited available data. We present a correlation analysis between 15 GHz radio observations of AGN reported in the MOJAVE XV catalog and 10 years of IceCube detector data and discuss the results derived from a time-averaged stacking analysis.

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Abhishek Desai, Justin Vandenbroucke, Alex Pizzuto. 2021-07-16. Testing the AGN Radio and Neutrino correlation using the MOJAVE catalog and 10 years of IceCube Data. https://arxiv.org/abs/2107.08115

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