Princeton University Star Formation/ISM Rendezvous (SFIR)

The origin of multiple stellar populations (MPs) in globular clusters (GCs) is one of the most puzzling issues of stellar astrophysics. Several attempts to understand their formation have been done both from observational and theoretical studies, but, so far, a clear picture is still lacking. By means of 3D hydrodynamic simulations, we explore the very early stages of GC formation studying the interplay between various physical ingredients like stellar feedback, gravity and cluster rotation on the formation of MPs. In this talk, I will mainly focus on Type Ia supernova (SN) effects both on star formation and on iron and helium abundances; I will further analyze the role of various parameters in regulating the efficiency of Type Ia SN feedback. Finally, I’ll discuss possible paths for the formation of Type II GCs, an anomalous sub-category of GCs known to exhibit an internal iron spread.