Variations of the ISM Compactness Across the Main Sequence of Star-Forming Galaxies: Observations and Simulations

Juan R. Martínez-Galarza, Howard A. Smith, Lauranne Lanz +7

(abridged) The majority of star-forming galaxies follow a simple empirical correlation in the star formation rate (SFR) versus stellar mass ($M_{\ast }$) plane, usually referred to as th…