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The 3D Clustering of BOSS DR9 Galaxies

Abstract : The Baryon Oscillation Spectroscopic Survey provides the largest 3D map of the Universe ever obtained. We present results from the DR9 data set, which includes 360,000 galaxies distributed over 3200 square degrees. At large physical scales, these data allow measurements of unprecedented precision in the 3D redshift-space correlation function and the spherically-averaged power-spectrum. In order to utilize this map to measure galaxy clustering, we need to fully understand potential sources of systematic fluctuations in galaxy density, caused by observational effects rather than cosmological fluctuations. I will present a careful analysis of these fluctuations, showing how we can robustly recover the cosmological clustering signal. The measurements and their cosmological interpretation will be presented.
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http://hal.in2p3.fr/in2p3-00706853
Contributor : Jean-Christophe Hamilton <>
Submitted on : Monday, June 11, 2012 - 4:11:17 PM
Last modification on : Saturday, September 19, 2020 - 4:49:51 AM

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A.J. Ross, W.J. Percival, A.A. Berlind, M. Blanton, A. Bolton, et al.. The 3D Clustering of BOSS DR9 Galaxies. AAS 219th Meeting, Jan 2012, Austin (Texas), United States. pp.324.02. ⟨in2p3-00706853⟩

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