Fig. 2.
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Bright emission lines in eRASS1. The RGB map is composed of the broadband maps at 0.20–0.25 keV (red, Zheng et al. 2024) and 0.2–2.3 keV (green, Zheng et al. 2024), and the narrowband O VIII images (blue, this work). All the maps include the contribution of different components (both celestial and instrumental), and were smoothed with an adaptive kernel set to retrieve a S/N threshold of 15.
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