Astronomy and Astrophysics – Astronomy
Scientific paper
May 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aipc..254..524h&link_type=abstract
In: Testing the AGN paradigm; Proceedings of the 2nd Annual Topical Astrophysics Conference, Univ. of Maryland, College Park, Oc
Astronomy and Astrophysics
Astronomy
5
High Resolution, Rosat Mission, Seyfert Galaxies, X Ray Astronomy, Emission Spectra, Light Emission, Starburst Galaxies
Scientific paper
The soft X-ray properties of the Seyfert 2 galaxy NGC 1068 are a crucial test of the 'hidden Seyfert 1' model. It is important to determine whether the soft X-rays come from the nucleus, or from a number of other possible regions in the circumnuclear starburst disk. We present preliminary results of a ROSAT HRI observation of NGC 1068 obtained during the verification phase. The fraction of X-rays that can be attributed to the nucleus is about 70 percent, so the 'soft X-ray problem' remains. There is also significant diffuse X-ray flux on arcminute scales, which may be related to the 'diffuse ionized medium' seen in optical emission lines, and the highly ionized Fe Ka emission seen by BBXRT.
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