Fig. 5.

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Mass ejection rate and loading factor as a function of galaxy properties. Top: mass ejection rate as a function of star formation rate (left), star formation rate surface density (ΣSFR, middle), and galaxy circular velocity (right, and stellar mass on top x-axis) for both surveys (MEGAFLOW and SIMPLE) as well as observations from B12, H15, M19, and P23. In the left panel, the dashed red line shows the prediction Ṁout ∝ SFR0.7 from Hopkins et al. (2012) and the black line shows Ṁout ∝ SFR1.11 observed by Arribas et al. (2014). The blue dotted line corresponds to a constant mass loading factor Ṁout/SFR of 2. Errors for Heckman et al. (2015) are 0.25 dex for Ṁout and 0.2 dex for SFR and ΣSFR. Bottom: η as a function of SFR (left), ΣSFR (middle), and S0.5 (right) for both surveys (MEGAFLOW and SIMPLE) as well as observations from B12, H15, M19, and P23. In the left panel, the dashed red line shows the prediction η ∝ SFR−0.3 from Hopkins et al. (2012) and the black line shows the fit η ∝ SFR0.11 from Arribas et al. (2014). In the middle panel, the dashed red line shows the prediction from Hopkins et al. (2012) and the black line shows the fit
from Arribas et al. (2014). Again, errors for Heckman et al. (2015) are 0.2 dex for SFR (and ΣSFR) and 0.45 dex for η. In the right panel, the dashed dotted black line shows η ∝ V−1 and the solid black line shows η ∝ V−2.
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