MAGIC eyes to the extreme: testing the blazar emission models on EHBLs

Journal
Date Issued
2019
Author(s)
•
Arcaro, C. H. E.
•
Asano, K.
•
•
Cerruti, M.
•
•
Ramazani, V. F.
•
Foffano, L.
•
Abstract
Extreme high-energy peaked BL Lac objects (EHBLs) are blazars whose synchrotron emission peaks at exceptionally high energies, above few keV, in the hard X-ray regime. So far, only a handful of those objects has been detected at very high energy (VHE, E > 100 GeV) gamma rays by Imaging Atmospheric Cherenkov Telescopes. Very remarkably, VHE observations of some of these blazars (like 1ES 0229+200) have provided evidence of a VHE gamma-ray emission extending to several TeV, which is difficult to explain with standard, one-zone synchrotron self-Compton models usually applied to BL Lac objects. The MAGIC collaboration coordinated a multi-year, multi-wavelength observational campaign on ten targets. The MAGIC telescopes detected VHE gamma rays from four EHBLs. In this paper we focus on the source 1ES 1426+426 and its X-ray and VHE gamma-ray properties. The results of different models (synchrotron self-Compton, spine-layer, hadronic) reproducing the broadband spectral energy distribution are also presented.
Coverage
36th International Cosmic Ray Conference (ICRC2019)
Volume
36
Start page
768
Conferenece
36th International Cosmic Ray Conference (ICRC2019)
Conferenece place
Madison, WI, U.S.A.
Conferenece date
July 24th-August 1st, 2019
Uri
Url
Issn Identifier
1824-8039
Ads BibCode
2019ICRC...36..768P
Rights
open.access
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