223 citations · 396 across the 4 of their papers we have counts for
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astro-ph2003
A Large, Uniform Sample of X-ray Emitting AGN: Selection Approach and an Initial Catalog from the ROSAT All-Sky and Sloan Digital Sky Surveys
Scott F. Anderson, Wolfgang Voges, Bruce Margon +25
Many open questions in X-ray astronomy are limited by the relatively small number of objects in uniform optically-identified samples, especially when rare subclasses are considered…
astro-ph2003
An X-ray Image of the Composite SNR G16.7+0.1
David J. Helfand, Marcel A. Agueros, E. V. Gotthelf
We have observed the Galactic supernova remnant G16.7+0.1 for 13 ks using the EPIC cameras aboard the XMM-Newton X-ray Observatory, producing the first X-ray image of the remnant.…