Sizes and mass profiles of candidate massive galaxies discovered by JWST at 7<z<9: evidence for very early formation of the central ~100 pc of present-day ellipticals

Josephine F. W. Baggen, Pieter van Dokkum, Ivo Labbe +8

The first JWST data revealed an unexpected population of red galaxies that appear to have redshifts of $z\sim 7-9$ and high masses of $M_{\ast }$ $\sim$ 10${}^{10}$ M${}_{\odot }$ (Labbé et a…