Long term variability of the Broad Emission Line profiles in AGN

A. I. Shapovalova, L. C. Popovic, N. G. Bochkarev +6

Results of a long-term monitoring ($\gtrsim 10$ years) of the broad line and continuum fluxes of three Active Galactic Nuclei (AGN), 3C 390.3, NGC 4151, and NGC 5548, are presented…