Showing 1998Show all
3 papers · 1 filter
astro-ph1998
Likelihood Filter for Cluster Detection
Peter Schuecker, Hans Böhringer
The likelihood filter for cluster detection introduced by Postman et al. is generalized by using standard procedures and models originally developed in the theory of point processe…
astro-ph1998
Results from the REFLEX Cluster Survey
H. Böhringer, L. Guzzo, C. A. Collins +11
Based on the ROSAT All-Sky Survey we have conducted a large redshift survey as an ESO key programme to identify and secure redshifts for the X-ray brightest clusters found in the s…
astro-ph1998
Multiwavelength Observations of a Seyfert 1 Galaxy Detected in ACO 3627
P. A. Woudt, R. C. Kraan-Korteweg, A. P. Fairall +3
ACO 3627 is a rich, nearby cluster of galaxies at the core of the Great Attractor. At the low galactic latitude of b = -7.2 the galactic extinction is significant. Nevertheless, it…