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M. Bliton (NMSU/U. Missouri), J.O. Burns (U. Missouri), W. Voges (MPE)
We present analysis of the X-ray, optical, and radio properties of a volume-limited sample of poor clusters of galaxies. Our poor cluster sample is composed of 339 groups in the redshift range 0.01-0.03, spanning the entire range of richness from very poor systems to Abell clusters. The multiwavelength properties of our sample were gathered from the ROSAT All-Sky Survey, the Palomar Digitized Sky Survey, and the Northern VLA Sky Survey. Properties discussed include X-ray luminosity, optical richness, spiral fraction, and radio fraction, among others. We also present a number of unique poor clusters that exhibit unexpected properties in the various wavelengths studied. This work was supported by NASA grant NAG5-6772 to M.B. & J.O.B.