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Exploration, par simulation, des observations grand champ d'amas de galaxies Sunyaev-Zel'dovich: intérêt en cosmologie

Abstract : The goal of my Phd research is to prepare the data analysis of the near future wide-field observations of galaxy clusters detected by Sunyaev Zel'dovitch effect. I set up a complete chain of original tools to carry out this study. These tools allow me to highlight critical and important points of selection effects that has to be taken into account in future analysis. Analysis chain is composed by : a simulation of observed millimeter sky, state-of-the-art algorithms of SZ galaxy clusters extraction from observed maps, a statistical model of selection effects of the whole detection chain and, finally, tools to constrain, from detected SZ sources catalog, the cosmological parameters. I focus myself on multi-channel experiments equipped with large bolometer camera. I use these tools for a prospection on Olimpo experiment.
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https://tel.archives-ouvertes.fr/tel-00133838
Contributor : Jean-Baptiste Juin <>
Submitted on : Tuesday, February 27, 2007 - 10:53:56 PM
Last modification on : Friday, October 23, 2020 - 4:52:10 PM
Long-term archiving on: : Wednesday, April 7, 2010 - 1:05:16 AM

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  • HAL Id : tel-00133838, version 1

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Jean-Baptiste Juin. Exploration, par simulation, des observations grand champ d'amas de galaxies Sunyaev-Zel'dovich: intérêt en cosmologie. Cosmologie et astrophysique extra-galactique [astro-ph.CO]. Université Louis Pasteur - Strasbourg I, 2005. Français. ⟨tel-00133838⟩

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