Associated Absorption at Low and High Redshift

Abstract

Combining information on absorbing material in AGN from X-ray and the UV creates a powerful investigative tool. Here we give examples from both low and high redshift.

4 pages, 1 figure. Uses aspconf.sty, included. To be published in the Proceedings of IAU Colloquium 159 on "Emission Lines in Active Galaxies: New Methods and Techniques."