broad-line region


Also found in: Acronyms.

broad-line region

(BLR) See quasar.
References in periodicals archive ?
Type II Seyfert galaxies like M77 show only narrow line emissions because they're tilted farther from our line of sight, hiding the broad-line region. The orientation of their AGN seems to make all the difference.
The broad-line region is situated close to the black hole and accretion disk, while the narrow-line region is farther out along the cone of the jet.