Abstract
The Einstein Observatory, by virtue of its increased sensitivity and improved angular resolution, has increased substantially the number of known X-ray emitting active galactic nuclei. This has made possible the detailed study of the relation of X-ray flux to both the continuum flux in the optical and radio bands, and to the line emission properties of these objects. In addition, the Einstein imaging instruments have detected morphology in AGN X-ray emission, in particular from jetlike structures in Cen-A, M87, and 3C273.The improved energy resolution and sensitivity of the spectrometers onboard the Observatory has provided detailed information on the geometry and ionization structure of the region responsible for the broad optical emission lines in a few AGN's. Such information, combined with detailed theoretical modeling and IUE and optical observations, have allowed us to construct a moderately detailed picture of the broad line region in these objects.
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