A grand-design spiral galaxy 1.5 billion years after the Big Bang with JWST

Rashi Jain, Yogesh Wadadekar

We report the discovery of Alaknanda, a large ($\sim 10$ kpc diameter), massive ($\log (M_{\star }/M_{\odot })\sim 10.2$), candidate grand-design spiral galaxy with photometric redshift $z_…