Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993insg.reptq....h&link_type=abstract
In its Imaging the Nearby Seyfert 2 Galaxy NGC 1068, and Spectrum and Variability of Geminga 4 p (SEE N93-17401 05-89)
Astronomy and Astrophysics
Astronomy
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 K(alpha) emission seen by BBXRT.
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