High mass flow rate in a BAL outflow of quasar SDSS J1130 + 0411

ABSTRACT We present the analysis of absorption troughs six outflows observed in quasar SDSS J1130 + 0411 ($z$ ≈ 3.98) with radial velocities ranging from −2400 to $-15\, 400$ km s−1. These spectra were taken Very Large Telescope/Ultraviolet and Visual Echelle Spectrograph over rest-frame wavelength range 1135–1890 Å. In main outflow system ($v$ −3200 s−1), we identify Fe ii several ii* troughs, as well Si which use determine electron number density $\log n_e = 2.6_{-0.7}^{+0.8}$ cm−3. Using column densities these other ions, a photoionization solution hydrogen N_H 21.44_{-0.33}^{+0.24}$ cm−2 ionization parameter U_H -1.75_{-0.45}^{+0.28}$. From values, derive distance $R 16_{-11}^{+23}$ kpc, average mass flow rate $\dot{M} 4100_{-2400}^{+6600}$ M⊙ yr−1, kinetic luminosity \dot{E}_k 46.13_{-0.37}^{+0.41}$ erg This $\dot{E}_k$ is $1.4_{-0.8}^{+2.2}$ per cent quasar’s Eddington luminosity, therefore contributes significantly AGN feedback.