Broad-line Balmer decrements in blue active galactic nuclei (2008)
Dong, Xiaobo, Wang, Tinggui, Wang, Jianguo, Yuan, Weimin, Zhou, Hongyan, Dai, Haifeng, ...
Broad-line Balmer Decrements in Blue Active Galactic Nuclei (2007)
Dong, Xiaobo, Wang, Tinggui, Wang, Jianguo, Yuan, Weimin, Zhou, Hongyan, Dai, Haifeng, ...
We have investigated the broad-line Balmer decrements (Halpha/Hbeta) for a large, homogeneous sample of Seyfert 1 galaxies and QSOs using spectroscopic data obtained in the Sloan Digital Sky Survey....