Evolution of the cluster X-ray luminosity function from the WARPS survey

  title={Evolution of the cluster X-ray luminosity function from the WARPS survey},
  author={Laurence R. Jones and Harald Ebeling and Caleb A. Scharf and E. S. Perlman and Donald John Horner and B. W. Fairley and Gary. A. Wegner and Matthew A. Malkan},
  journal={arXiv: Astrophysics},
The evolution of the X-ray luminosity function of clusters of galaxies has been measured to z=0.85 using over 150 X-ray selected clusters found in the WARPS survey. We find no evidence for evolution of the luminosity function at any luminosity or redshift. The observations constrain the evolution of the space density of moderate luminosity clusters to be very small, and much less than predicted by most models of the growth of structure with Omega=1. 
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