Probing the earliest phases in the formation of massive galaxies with simulated HST+JWST imaging data from Illustris

Ángela García-Argumánez, Pablo G. Pérez-González, Armando Gil de Paz +20

We use the Illustris-1 simulation to explore the capabilities of the $\text{Hubble}$ and $\text{James Webb Space Telescope}$ data to analyze the stellar populations in high-red…