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Fig. 5.

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Gamma-ray spectrum observed by HESS and Fermi LAT in the CMZ. Magenta triangles are the VHE gamma rays reported by H.E.S.S. Collaboration (2016) and green circles are the HE gamma rays reported by Gaggero et al. (2017). The dot-dash magenta line is the best fit by H.E.S.S. Collaboration (2016) considering only HESS data, and the dashed green line is the best fit by Gaggero et al. (2017) considering both observations. The dotted black line is the CR sea observed in the Solar System. The solid red line is the HESS best fit plus the CR sea.

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