Cosmic evolution of molecular gas mass density from an empirical relation between ${\mathrm{L}}_{1.4GHz}$ and ${\mathrm{L}}_{\mathrm{CO}}^{\prime }$

G. Orellana-González, E. Ibar, R. Leiton +8

Historically, GHz radio emission has been used extensively to characterize the star-formation activity in galaxies. In this work, we look for empirical relations amongst the radio…