Keywords
BL Lacertae objects: general
galaxies active
gamma-rays: galaxies
neutrinos
Astrophysics - High Energy Astrophysical Phenomena
galaxies active
gamma-rays: galaxies
neutrinos
Astrophysics - High Energy Astrophysical Phenomena
How to Cite
Study of Blazar Activity in 10 year Fermi-LAT Data and Implications for TeV Neutrino Expectations. (2021). Revista Mexicana De Astronomía Y Astrofísica, 57(2), 251-268. https://doi.org/10.22201/ia.01851101p.2021.57.02.01
Abstract
Blazars are the most active extragalactic gamma-ray sources. They show sporadic bursts of activity, lasting from hours to months. In this work we present a 10-year analysis of a sample of bright sources detected by Fermi-LAT (100 MeV - 300 GeV). Using 2-week binned light curves (LC) we estimate the duty cycle (DC): fraction of time that the source spends in an active state. The objects show different DC values, with an average of 22.74% and 23.08% when considering (or not) the extragalactic background light (EBL). Additionally, we study the so-called "blazar sequence" trend for the sample of selected blazars in the ten years of data. This analysis constrains a possible counterpart of subPeV neutrino emission during the quiescent states, leaving open the possibility to explain the observed IceCube signal during the flaring states.Similar Articles
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