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Fig. 1


Spectral energy distributions of HESS J1857+026 measured by MAGIC (this work), H.E.S.S (Aharonian et al. 2008) and Fermi-LAT (Neronov & Semikoz 2010; Paneque et al. 2011; Rousseau et al. 2012). The MAGIC data are unfolded to correct for migration and energy biasing effects (Albert et al. 2007), therefore the errors are not independent.

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