426 citations · 3.7k across the 70 of their papers we have counts for
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astro-ph2003★ 132 cited
Long-Term X-ray Spectral Variability in Seyfert 1 Galaxies
A. Markowitz, R. Edelson, S. Vaughan
Direct time-resolved spectral fitting has been performed on continuous RXTE monitoring of seven Seyfert 1 galaxies in order to study their broadband spectral variability and Fe K a…
astro-ph2003★ 145 cited
Correlated long-term optical and X-ray variations in NGC 5548
Phil Uttley, Rick Edelson, Ian McHardy +2
We combine the long-term optical light curve of the Seyfert 1 galaxy NGC5548 with the X-ray light curve measured by the Rossi X-ray Timing Explorer over 6 years, to determine the r…