How an improved implementation of H2 self-shielding influences the formation of massive stars and black holes

Tilman Hartwig, Simon C. O. Glover, Ralf S. Klessen +2

High redshift quasars at z>6 have masses up to ~$10^9$ M${}_{\odot }$. One of the pathways to their formation includes direct collapse of gas, forming a supermassive star, precursor of…