Should zeros count? Modeling the galaxy-globular cluster scaling relation with(out) zero-inflated count models

Samantha C. Berek, Gwendolyn M. Eadie, Joshua S. Speagle +1

The scaling relation between the size of a galaxy's globular cluster (GC) population ($N_{GC}$) and the galaxy's stellar mass ($M_{\ast }$) is usually described with a continuous, linear…