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Fig. 2

image

Spectrum of the background region located at 25.5 arcmin SE of the cluster core used to measure the sky background components from the EPIC pn (red), MOS2 (black; MOS1 was omitted for clarity), and from the ROSAT/PSPC (blue). The solid lines show the NXB model for each instrument, while the dotted lines show the sky background model.

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