PHANGS-MeerKAT and MHONGOOSE HI observations of nearby spiral galaxies: physical drivers of the molecular gas fraction, $R_{\mathrm{mol}}$

Cosima Eibensteiner, Jiayi Sun, Frank Bigiel +36

The molecular-to-atomic gas ratio is crucial to the evolution of the interstellar medium in galaxies. We investigate the balance between the atomic (${\Sigma }_{\mathrm{HI}}$) and molecular gas…