The broad-line region of active galactic nuclei revisited

Authors:
  • SCSuzy Collin-Souffrin
    Suzy Collin-Souffrin
  • JLJean-Pierre Lasota
    Jean-Pierre Lasota

Abstract
Broad emission lines which are the most characteristic features of Active Galactic Nuclei and quasars can be separated into two distinct systems: the "high...