Konferenzbeitrag (25)
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Brinkmann, W.; Trümper, J.). X-Ray Emission from Active Galactic Nuclei and the Cosmic X-Ray Background, Garching, Germany, 04. November 1991 - 08. November 1991. Max-Planck-Institut für extraterrestrische Physik, Garching, Germany (1992)
The quasar 1821+643 during the ROSAT survey. In: X-Ray Emission from Active Galactic Nuclei and the Cosmic X-Ray Background: Proceedings of a Conference held at the Max-Planck-Institut für extraterrestrische Physik, S. 169 - 174 (Hg. 22.
Konferenzbeitrag
Brinkmann, W.; Trümper, J.). X-Ray Emission from Active Galactic Nuclei and the Cosmic X-Ray Background, Garching, Germany, 04. November 1991 - 08. November 1991. Max-Planck-Institut für extraterrestrische Physik, Garching, Germany (1992)
ROSAT-IUE All Sky Survey (RIASS): first results on active galaxies. In: X-Ray Emission from Active Galactic Nuclei and the Cosmic X-Ray Background: Proceedings of a Conference held at the Max-Planck-Institut für extraterrestrische Physik, S. 155 - 162 (Hg. 23.
Konferenzbeitrag
New heavily absorbed AGN and BL Lac objects identified from X-ray/radio/optical databases. In: Astronomy from Large Databases II - Proceedings, S. 491 - 496 (Hg. Heck, A.; Murtagh, F.). Astronomy from Large Databases II, Haguenau, France, 14. September 1992 - 16. September 1992. European Southern Observatory, Garching, Germany (1992)
24.
Konferenzbeitrag
Multiwavelength monitoring of the BL Lac object PKS 2155-304. I. IUE observations. In: Science with the Hubble Space Telescope, S. 89 - 95 (Hg. Benvenuti, P.; Schreier, E.). Science with the Hubble Space Telescope , Chia Laguna, Sardinia, Italy, 29. Juni 1992 - 07. Juli 1992. European Southern Observatory, Garching, Germany (1992)
25.
Konferenzbeitrag
Scientific results from the ROSAT all-sky survey. In: Astronomy from Large Databases II - Proceedings, S. 139 - 141 (Hg. Heck, A.; Murtagh, F.). Astronomy from Large Databases II, Haguenau, France, 14. September 1992 - 16. September 1992. European Southern Observatory, Garching, Germany (1992)
26.
Konferenzbeitrag
EXSAS: the ROSAT data analysis system. In: Astronomy from Large Databases II - Proceedings, S. 519 - 523 (Hg. Heck, A.; Murtagh, F.). Astronomy from Large Databases II, Haguenau, France, 14. September 1992 - 16. September 1992. European Southern Observatory, Garching, Germany (1992)