Reddening of the BLR and NLR in AGN From a Systematic Analysis of Balmer Decrement

Kai-Xing Lu, Yinghe Zhao, Jin-Ming Bai +1

We selected an active galactic nuclei (AGN) sample ($0<z\le 0.35$) from Sloan Digital Sky Survey Data Release 7, and measured the broad- ($\mathrm{H}{\alpha }^{\mathrm{b}}/H{\beta }^{\mathrm{b}}$) and narrow-line…