Unlocking Line-Locking Phenomena in Quasars
by Prof. Doron Chelouche
University of Haifa
at Astrophysics and Cosmology Seminar
Wed, 14 Jun 2023, 11:10
Nano building (51) auditorium
Abstract
Line locking of absorption-line systems in quasar spectra is a clear signature of the dynamical importance of radiation pressure force in driving astrophysical flows, with recent findings suggesting that it may be common in objects exhibiting multiple absorption-line systems. In this talk, the phenomena of line-locking will be reviewed, and the physical implications for quasar outflows outlined. Specifically, it will be shown that line-locked systems pose significant challenges to current theories of quasar outflows with implications for the physical mechanisms underlying cloud formation and confinement in the interstellar medium of (active) galaxies.
Created on 08-06-2023 by Zitrin, Adi (zitrin)
Updaded on 13-06-2023 by Zitrin, Adi (zitrin)