TXS 0506+056 with Updated IceCube Data
William Luszczak (for the IceCube Collaboration)
TL;DR
This paper revisits the potential neutrino emission from blazar TXS 0506+056 using updated IceCube data and improved analysis methods, providing new significance and flux estimates for the 2014 neutrino flare.
Contribution
It presents an updated analysis of TXS 0506+056 with recent IceCube data and enhanced statistical techniques, refining previous neutrino source evidence.
Findings
Revised significance of neutrino emission from TXS 0506+056.
Updated flux measurements for the 2014 neutrino flare.
Identification of NGC 1068 as a second neutrino source candidate.
Abstract
Past results from the IceCube Collaboration have suggested that the blazar TXS 0506+056 is a potential source of astrophysical neutrinos. However, in the years since there have been numerous updates to event processing and reconstruction, as well as improvements to the statistical methods used to search for astrophysical neutrino sources. These improvements in combination with additional years of data have resulted in the identification of NGC 1068 as a second neutrino source candidate. This talk will re-examine time-dependent neutrino emission from TXS 0506+056 using the most recent northern-sky data sample that was used in the analysis of NGC 1068. The results of using this updated data sample to obtain a significance and flux fit for the 2014 TXS 0506+056 "untriggered" neutrino flare are reported
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Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Neutrino Physics Research · Radio Astronomy Observations and Technology