PoS - Proceedings of Science
Volume 301 - 35th International Cosmic Ray Conference (ICRC2017) - Session Gamma-Ray Astronomy. GA-extra-galactic
Spectral analysis of Markarian 421 and Markarian 501 with HAWC
S. Coutiño de León*, A. Carramiñana Alonso, D. Rosa-Gonzalez  on behalf of the HAWC Collaboration
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Pre-published on: August 16, 2017
Published on: August 03, 2018
The Hight Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory monitors the gamma-ray sky in the energy range from 100 GeV to 100 TeV and has detected two very high energy (VHE) blazars: Markarian 421 (Mrk 421) and Markarian 501 (Mrk 501) in 1.5 years of observations. In this work, we present the spectral analysis above 1 TeV of both sources using a maximum likelihood method and an artificial neural network as an energy estimator. The main objectives are to constrain the spectral curvature of Mrk 421 and Mrk 501 at ∼5 TeV using the EBL models from Gilmore et al. (2012) and Franceschini et al. (2008).
DOI: https://doi.org/10.22323/1.301.0606
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