PoS - Proceedings of Science
Volume 301 - 35th International Cosmic Ray Conference (ICRC2017) - Session Gamma-Ray Astronomy. GA-extra-galactic
Characterizing the long-term γ-ray variability of the BL Lac object 1ES 1215+303 with Fermi-LAT
F. Zefi
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Pre-published on: August 16, 2017
Published on: August 03, 2018
Abstract
We report on the recent flaring activities from the BL Lac source 1ES 1215+303 detected by the \F-Large Area Telescope (LAT; 100 MeV < E < 500 GeV). Since its first detection at energies above 100 MeV, several increments on the $\gamma$-ray flux have been reported, where the latest ones from 2015 to 2017 are presented in this study. Additionally, we use all the data set accumulated by \F-LAT spanning more than nine years, along with the improved analysis techniques to perform spectral studies and characterize the long term variability. The results obtained are presented in this contribution.
DOI: https://doi.org/10.22323/1.301.0628
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