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Fig. 4


SED of the DM-induced e.m. signals in Coma as predicted by the three DM models. Upper panel: Mχ = 9 GeV (solid: ; dashed: τ ± ); mid panel: Mχ = 60 GeV (solid: ; dashed: τ ± ); lower panel: Mχ = 500 GeV (solid: ; dashed: τ ± ; dotted: W ± ) The values of σV and B0 for the different models are the same as those used in Fig. 2. The hatched regions in the X-ray domain represent data from PDS/BeppoSAX (Fusco-Femiano et al. 2004), HEXTE/RXTE (Rephaeli et al. 1999) and EUVE (Lieu et al. 1999). We also report the EGRET (Reimer et al. 2003), Fermi (Mori 2009) and HESS (Aharonian et al. 2009a) upper limits on Coma. The blue line is a thermal bremsstrahlung model for Coma with kT = 8.2 keV (Briel et al. 1992). The results are obtained using B(r) ∝ nth(r) and NFW smooth DM profiles, without considering the effect of substructures.

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