Turbulent gas-rich discs at high redshift: the origin of early massive stellar bars

Joss Bland-Hawthorn, Thor Tepper-Garcia, Chris Hamilton +4

Recent observations combining the power of ALMA and JWST have revealed large ($3-7$ kpc), massive ($3-10\times 10^{10}{\mathrm{M}}_{\odot }$) stellar bars at $z=4-5$ when the Universe…