Fig. 8
Flux comparison between Chandra and XMM within the area covered by the 4 Ms Chandra CDF-S. The solid line shows the 1:1 correspondence. 38 extended sources with significant flux measurement in both Chandra and XMM data are shown. The errors on XMM fluxes are similar to the plotted Chandra errors and are omitted from the plot for clarity.
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