14 citations · 14 across the 1 of their papers we have counts for
2 papers
astro-ph.CO2009★ 14 cited
Extending the Eigenvector 1 Space to the Optical Variability of Quasars
Yufeng Mao, Jing Wang, Jianyan Wei
We introduce a new physical parameter, the optical variability amplitude, to the well-established Eigenvector 1 space of quasars and test a sample of long-term B-band light curves…
astro-ph2005
Variability of Optical \ion{Fe}{ii} Complex in Narrow-Line Seyfert 1 Galaxy NGC 4051
J. Wang, J. Y. Wei, X. T. He
The variability of optical FeII blends in NGC 4051 is examined from spectra extracted from the AGN Watch program.In our analysis, the FeII complex are subtracted and measured with…