Detailed calculations of the contribution of the trapped line photons to the overall pressure in line-emitting regions around active galactic nuclei are presented. They lead to the conclusion that radiation pressure is a significant factor in determining the stability of these clouds.
Digital Object Identifier (DOI)
Elitzur, Moshe and Ferland, Gary J., "Radiation Pressure and Emission Clouds Around Active Galactic Nuclei" (1986). Physics and Astronomy Faculty Publications. 174.