Spectral Energy Distributions of Companion Galaxies to z$\sim$6 Quasars

C. Mazzucchelli, R. Decarli, E. P. Farina +10

Massive, quiescent galaxies are already observed at redshift $z\sim 4$, i.e. $\sim$1.5 Gyr after the Big Bang. Current models predict them to be formed via massive, gas-rich mergers…