IUE-EXOSAT observations of NGC 4151.
Abstract
Preliminary results obtained with IUE and the ME and LE EXOSAT instruments indicate the existence of a long term correlation between the UV and the X-ray continuum intensities, and confirm the presence of the soft X-ray excess discovered by Holt et al. (1980).
- Publication:
-
X-ray Astronomy 1984
- Pub Date:
- 1985
- Bibcode:
- 1985xra..conf..475P
- Keywords:
-
- Seyfert Galaxies:UV Radiation;
- Seyfert Galaxies:X Rays;
- UV Radiation:Seyfert Galaxies;
- X Rays:Seyfert Galaxies