GINGA results of type 2 AGN's and their contributions to the cosmic X ray background

Details GINGA results of type 2 AGN's and their contributions to the cosmic X ray background GINGA results of type 2 AGN's and their contributions to the cosmic X ray background

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992xrea.conf...74k&link_type=abstract

In MPI für Extraterrestrische Physik, X Ray Emission from Active Galactic Nuclei and the Cosmic X Ray Background p 74-80 (SEE N9

Astronomy and Astrophysics

Astronomy

7

Active Galactic Nuclei, Astronomical Satellites, Background Radiation, Cosmic X Rays, X Ray Spectra, Quasars, Radio Galaxies, Seyfert Galaxies, Spectrum Analysis

Scientific paper

X-ray emission from type 2 Active Galactic Nuclei (AGN) are studied with the Ginga satellite. Many of the sample of optically selected Seyfert 2s show low energy cutoffs, while some of them show reflected components. Some narrow line radio galaxies are found to have obscured nuclei. Thus, so called unified model of the active galactic nuclei is supported by the analysis of the X-ray spectrum. However the Infrared Astronomical Satellite (IRAS) selected Seyfert 2 galaxies show different phenomena. An origin of the cosmic X-ray background is discussed based on the unified picture of the AGN.

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