We compute the line strengths and profiles from a model of the cloud dynamics of the broad and intermediate line regions and compare the results with the observations of the Seyfert galaxy NGC 4151 in its various luminosity states.
STIS Echelle Observations of the Seyfert Galaxy NGC 4151: Physical Conditions in the Ultraviolet Absorbers
Asymmetrical structure of ionization and kinematics in the Seyfert galaxy NGC 5033
The UV spectra of NLS1s - Implications for their broad line regions
