High-Velocity Narrow-Line Absorbers in QSOs

Details High-Velocity Narrow-Line Absorbers in QSOs High-Velocity Narrow-Line Absorbers in QSOs

1997-04-24

arxiv.org/abs/astro-ph/9704234v1

Astronomy and Astrophysics

Astrophysics

6 pages, LaTeX, to appear in ``Mass Ejection From AGN,'' eds. R. Weymann, I. Shlosman, N. Arav

Scientific paper

We discuss the identification and kinematics of intrinsic narrow-line absorbers in three QSOs. The line-of-sight ejection velocities in the confirmed intrinsic systems range from 1500 to 51,000 km/s. The ratio of ejection velocity to line width, V/Delta-V, in these systems ranges from ~3 to 60, in marked contrast to the BALs where typically V/Delta-V ~ 1. We speculate on the possible relationship between the BAL and narrow-line absorbers. Like the BALs, intrinsic narrow-line systems appear to be rare, but the outflows that cause them might be common if they cover a small fraction of the sky as seen from the QSO.

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