511 citations · 1.2k across the 17 of their papers we have counts for
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astro-ph2008★ 150 cited
A Systematic Analysis of Fe II Emission in Quasars: Evidence for Inflow to the Central Black Hole
Chen Hu, Jian-Min Wang, Luis C. Ho +4
Broad Fe II emission is a prominent feature of the optical and ultraviolet spectra of quasars. We report on a systematical investigation of optical Fe II emission in a large sample…
astro-ph2007★ 511 cited
The SEGUE Stellar Parameter Pipeline. I. Description and Initial Validation Tests
Y. S. Lee, T. C. Beers, T. Sivarani +10
We describe the development and implementation of the SEGUE (Sloan Extension for Galactic Exploration and Understanding) Stellar Parameter Pipeline (SSPP). The SSPP derives, using…