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astro-ph2006★ 64 cited
The Magnificent Seven in the dusty prairie -- The role of interstellar absorption on the observed neutron star population
B. Posselt, S. B. Popov, F. Haberl +3
The Magnificent Seven have all been discovered by their exceptional soft X-ray spectra and high ratios of X-ray to optical flux. They all are considered to be nearby sources. Searc…
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…