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Institut de Physique Théorique, CEA Saclay
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Pierre: The cosmological analysis of X-ray cluster surveys

Sep 26, 2017, 2:45 PM
Institut de Physique Théorique, CEA Saclay

Institut de Physique Théorique, CEA Saclay

Orme des Merisiers batiment 774 Point courrier 136 CEA/DSM/IPhT, CEA/Saclay F-91191 Gif-sur-Yvette Cedex FRANCE


We recall the bases of cosmological studies with clusters of galaxies. We present an original method that aims at determining the cosmological parameters, including the DE equation of state, by considering only the statistics of raw X-ray observables from a well defined cluster population. We illustrate the method with the XXL survey, which is the largest programme of XMM, the X-ray observatory of the European Space Agency.

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