Photohadronic scenario in interpreting the February-March 2014 flare of 1ES 1011+496

Abstract

The extraordinary multi-TeV flare from 1ES 1011 +496 during February-March 2014 was observed by MAGIC telescopes for 17 nights and the average spectrum of the whole period has a non-trivial shape. We have used the photohadronic model and a template EBL model to explain the average spectrum which fits well to the flare data. The spectral index $\alpha$ is the only free parameter in our model. We have also shown that the non-trivial nature of the spectrum is due to the change in the behavior of the optical depth above $\sim 600$ GeV $\gamma$-ray energy accompanied with the high SSC flux.

11 pages, 3 figures, LaTeX

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• The nature of the intrinsic spectra from the VHE emission of H 2356-309 and 1ES 1101-232
• Photohadronic Modelling of the 2010 Gamma-ray Flare from Mrk 421
• Very high energy emission mechanism in the extreme blazar PGC 2402248