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Fig. 4
Best fit spectra of leptonic γ-rays for the northern (left panel) and southern (right panel) parts of the excess. The red and black data points are the same as in Fig. 2. The dotted curves represent the contribution from bremsstrahlung, the dot-dashed line represent ICs, and the solid curves are the summations.
This figure is made of several images, please see below:
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