Fig. 16.
Comparison of the CO(3–2)/HCO+(4–3) ratios measured at the AGN locus in the galaxies of the NUGA (square markers) and GATOS (circle markers) samples as a function of the Eddington ratio. Symbols are color-coded as a function of the AGN luminosities measured in the 2–10 keV band for the sample galaxies. Lower limits on the ratios are identified by the (red) arrows. Uncertainties on the ratios (∼21%) are driven by the absolute flux calibration errors on the lines (∼15%). Eddington ratios have a ∼±0.4 dex uncertainty.
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