Fig. 8

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Total 0.5–2.0 keV LX scaled by SFR as a function of sSFR for each eROSITA source matched to a HECATE galaxy. The X-ray emission for each source includes that from XRBs and hot gas. The solid black line represents the scaling relation for normal galaxies from Lehmer et al. (2016), which includes local galaxies and stacked samples from the CDF-S. Source classifications are the same as those from Fig. 5. Many star-forming galaxies, especially those at high sSFR, show large dispersion about the scaling relation. The AGN and composite sources are broadly consistent with the scaling relation, which is unexpected, indicating obscured and/or low-level AGN emission. The handful of star-forming galaxies at high sSFR that are offset from the relation are dwarf galaxies.
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