An Extremely-High Velocity Outflow in SMSS J2157-3602, the most luminous quasar in the first 1.3 Gyr

Giustina Vietri, Paola Rodriguez Hidalgo, Amy Rankine +16

We report the discovery of an extremely high-velocity outflow (EHVO) in the most luminous ($L{}_{\mathrm{Bol}}$ $\sim$ 2.29 $\times$ 10${}^{48}$ erg/s) QSO, SMSS J2157-3602, at z=4.692. Comb…