Mass ratio of atomic-to-molecular gas plotted vs. M_star in the left panel, and vs. sSFR in the right (both in logarithmic units). As in Fig. 12, the long-dashed lines correspond to the best-fit power-law regressions, and the heavy curve to the MAGMA medians. The gray regions show the ±1σ excursions of the data. The heavy red long-dashed curve corresponds to the binned data from xGASS-CO (see Catinella et al. 2018). Galaxies are colored by gas fraction as in Fig. 1.