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Fig. 3.
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Comparison between the X-ray fluxes measured from the eRASS1 extractions (Sect. 3.3) and those derived from archival Chandra and XMM-Newton observations. The orange line corresponds to the line of equality. We find good agreement with a scatter of ∼0.5 dex, supporting the robustness of the eRASS1 extractions.
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