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X-ray Clusters: Still relevant for Cosmology?

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If you have a question about this talk, please contact Alexander Blustin.

I will review the work we have done with XCS (XMM Cluster Survey) towards cosmological parameters. In particular I will review Sahlen et al. 2009, which shows how important it is to understand scaling relations before attempting cosmology with clusters. I will go on to discuss the relevance of X-ray clusters to cosmology in light of new optical and SZ surveys.

This talk is part of the New Results in X-ray Astronomy 2009 series.

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