Discovery of ultra-fast outflows with v${}_{\mathrm{out}}>0.3\mathrm{c}$ in local bright active galactic nuclei

Laura Borrelli, Matteo Guainazzi, Giorgio Lanzuisi +5

Ultra-fast outflows (UFOs) are mildly relativistic (outflow velocity $v_{out}>0.1c$) nuclear winds detected as blueshifted absorption lines from highly ionized, dense gas in the X-…