The Farthest Quasar Mini-Broad Absorption Line Outflow from Its Central Source: Very Large Telescope/UVES Observation of SDSS J0242+0049

Abstract We analyze Very Large Telescope/UVES observations of the quasar SDSS J024221.87+004912.6. identify four absorption outflow systems: a C iv broad line (BAL) at v ≈ −18,000 km s −1 and three narrower low-ionization systems with centroid velocities ranging from –1200 to –3500 . These outflows show similar physical attributes [O iii ] studied by Liu et al. (2013). find that two are energetic enough contribute active galactic nucleus feedback, one system reaching above 5% quasar’s Eddington luminosity. also this is distance 67 kpc away quasar, farthest detected mini-BAL its central source date. In addition, we examine time-variability BAL velocity monotonically increases, while trough itself becomes shallower over time.