2022/02/17 by Doyee Byun, Nahum Arav, Patrick B. Hall
Physics and Astronomy · #Absorption (acoustics) #Active galactic nucleus #Astronomy #Astrophysics #Astrophysics and Star Formation Studies #Galaxies: Formation, Evolution, Phenomena #Galaxy #Ionization #Line (geometry) #Luminosity #Optics #Outflow #Physics #Quasar #Stellar, planetary, and galactic studies #Telescope #astro-ph.GA
paper · pdf · doi:10.3847/1538-4357/ac503d
14 pages, 6 figures, accepted for publication in ApJ
arxiv created 2022/02/17 · openalex publication_date 2022/03/01 · arxiv updated 2022/03/21 · openalex created_date 2022/04/03 · openalex updated_date 2026/08/06
We analyze VLT/UVES observations of the quasar SDSS J024221.87+004912.6. We identify four absorption outflow systems: a CIV BAL at v≈ -18,000 km s-1, and three narrower low-ionization systems with centroid velocities ranging from -1200 to -3500 km s-1. These outflows show similar physical attributes to the [OIII] outflows studied by arXiv:1305.6922. We find that two of the systems are energetic enough to contribute to AGN feedback, with one system reaching above 5% of the quasar's Eddington luminosity. We also find that this system is at a distance of 67 kpc away from the quasar, the farthest detected mini-BAL absorption outflow from its central source to date. In addition, we examine the time variability of the BAL, and find that its velocity monotonically increases, while the trough itself becomes shallower over time.