Fig. 3
Fermi/LAT countmap of the Cygnus region in the energy band above 100 GeV, smoothed with a Gaussian kernel of 1 degree. The regions indicated by the green circles are used for the spectral extraction of Fermi/LAT data and have radii of 2 and 4 degrees (from small to large). Positions and names on known VHE γ-ray sources are marked.
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