Table 1 Simulation Parameters Name Resolution ${t}_{\min }$ t_max ${\rm{\Sigma }}({t}_{\min })$ ${\rm{\Sigma }}({t}_{\max })$ (pc) (Myr) (Myr) $({M}_{\odot }\,{\mathrm{pc}}^{-2})$ $({M}_{\odot }\,{\mathrm{pc}}^{-2})$ MHD-4pc 4 300 700 10 8 MHD-2pc 2 351 421 10 9