202 citations · 797 across the 35 of their papers we have counts for
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astro-ph2008★ 21 cited
Probing Spectroscopic Variability of Galaxies & Narrow-Line Active Galactic Nuclei in the Sloan Digital Sky Survey
Ching-Wa Yip, Andrew Connolly, Daniel Vanden Berk +10
Under the unified model for active galactic nuclei (AGNs), narrow-line (Type 2) AGNs are, in fact, broad-line (Type 1) AGNs but each with a heavily obscured accretion disk. We woul…
astro-ph2008★ 31 cited
Reliable Eigenspectra for New Generation Surveys
Tamas Budavari, Vivienne Wild, Alexander S. Szalay +2
We present a novel technique to overcome the limitations of the applicability of Principal Component Analysis to typical real-life data sets, especially astronomical spectra. Our n…