IAU00080
Presentation type requested: POSTER
GALAXY CLUSTERS AND LARGE SCALE STRUCTURE
Thomas H Reiprich
Department of Astronomy, University of Virginia
Galaxies and galaxy clusters have been very important tools for the study of large scale structure. Since large statistical samples are becoming available we need to improve our understanding of the systematics involved. A project is under way to study systematic selection effects, and relations between cluster richness, X-ray luminosity, and mass. Here we report first results of a correlation between 10^6 infrared selected galaxies (2MASS) and 10^3 X-ray selected galaxy clusters (NORAS II).
Sarazin Craig L, Skrutskie Michael F, Sivakoff Gregory R, Chatzikos Marios N, Boehringer Hans , Retzlaff Joerg
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