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SUMMARY:The XMM Cluster Survey: First results for cluster scaling relation
 s - Ed Lloyd-Davies\, University of Sussex
DTSTART:20090916T104500Z
DTEND:20090916T110000Z
UID:TALK19867@talks.cam.ac.uk
CONTACT:Alexander Blustin
DESCRIPTION:The XMM Cluster Survey (XCS) will exploit the entire XMM-Newto
 n data archive to find clusters. XCS already covers 275 square degrees and
  has found more than 1500 cluster candidates with > 300 counts. We have mo
 re than 400 have been optically confirmed clusters so far\; z_max=1.45. He
 re we present the first results for cluster X-ray scaling relations from a
 n initial XCS sample and discuss their implications for cluster physics an
 d cosmology. Unlike most previous measurements of scaling relations\, XCS 
 has both a well characterised selection function and a large sample size\,
  which will allow much more accurate inferences about the underlying clust
 er relations to be made from the measurements. To this end we also explore
  the effects of selection and measurement errors on our ability to measure
  scaling relations by folding clusters drawn from n-body/hydro simulations
  through the XCS selection function to infer selection and measurement bia
 ses. 
LOCATION:Sackler Lecture Theatre\, IoA
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