Fig. 11
Comparison of background light curves in different energy bands between eROSITA (TM5,6,7 only; red), XMM-Newton EPIC-pn (blue), and XMM-Newton EPIC-MOS2 (green) detectors. The data were taken simultaneously during the observation of the NLS1 1H0707-495 (Boller et al. 2021) on October 11, 2019, for 60 ks, while SRG was about to be inserted into its final halo orbit around L2. Top panel: 0.5–2 keV; middle panel: 2–4.5 keV; bottom panel: 4.5–7.5 keV. The thin red lines in each panel show the predicted background level from pre-launch estimates (Merloni et al. 2012), rescaled by a factor of 3∕7 to account for the fact that only three eROSITA TMs were operational during this observation.
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