Goddard X-ray astronomy contributions to the IAU/COSPAR (1982)

Details Goddard X-ray astronomy contributions to the IAU/COSPAR (1982) Goddard X-ray astronomy contributions to the IAU/COSPAR (1982)

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982stin...8319666h&link_type=abstract

Presented at the COSPAR Symp., Montreal, 1982, the IAU Symp. on Supernova Remnants, Venice, 1982 and the Early Universe Meeting,

Astronomy and Astrophysics

Astronomy

Continuums, Galactic Nuclei, Observatories, Radiant Flux Density, Spectral Bands, X Rays, Absorption Spectra, Active Galactic Nuclei, Emission, Imaging Techniques, Line Spectra, Radio Sources (Astronomy), X Ray Irradiation

Scientific paper

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 were studied. The Einstein Observatory, because of increased sensitivity and improved angular resolution, increased substantially the number of known X-ray emitting active galactic nuclei. The Einstein imaging instruments 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 provide information on the geometry and ionization structure of the region responsible for the broad optical emission lines in a few AGN's. This information, combined with theoretical modeling and IUE and optical observations, allows the construction of a moderately detailed picture of the broad line region in these objects.

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