Low Luminosity Active Galaxies and the Soft X-ray Background

Details Low Luminosity Active Galaxies and the Soft X-ray Background Low Luminosity Active Galaxies and the Soft X-ray Background

May 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...182.4413k&link_type=abstract

American Astronomical Society, 182nd AAS Meeting, #44.13; Bulletin of the American Astronomical Society, Vol. 25, p.870

Astronomy and Astrophysics

Astronomy

Scientific paper

A careful X-ray study of low luminosity active galactic nuclei (LLAGNs) is important in order to specifically address the issues of whether the dominant X-ray production mechanism is the same at all luminosities in AGNs and to determine the contribution of LLAGNs to the soft X-ray background. We present the results of a study of 5 LLAGN observed with the ROSAT HRI where we have determined the distribution of X-rays in these objects. We find that the X-ray emission is exclusively nuclear despite their low Einstein X-ray luminosity (~ 5 times 10(39) ergs/sec). We discuss the X-ray luminosities of these LLAGN in the context of luminous Seyfert galaxies and the soft X-ray Background.

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