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arXiv: 1509.06404
handle: 10261/376317 , 2097/35362
We present a study of the clustering and halo occupation distribution of BOSS CMASS galaxies in the redshift range 0.43 < z < 0.7 drawn from the Final SDSS-III Data Release. We compare the BOSS results with the predictions of a Halo Abundance Matching (HAM) clustering model that assigns galaxies to dark matter halos selected from the large BigMultiDark $N$-body simulation of a flat $Λ$CDM Planck cosmology. We compare the observational data with the simulated ones on a light-cone constructed from 20 subsequent outputs of the simulation. Observational effects such as incompleteness, geometry, veto masks and fiber collisions are included in the model, which reproduces within 1-$σ$ errors the observed monopole of the 2-point correlation function at all relevant scales: from the smallest scales, 0.5 $h^{-1}$ Mpc, up to scales beyond the Baryonic Acoustic Oscillation feature. This model also agrees remarkably well with the BOSS galaxy power spectrum (up to $k\sim1$ $h$ Mpc$^{-1}$), and the Three-point correlation function. The quadrupole of the correlation function presents some tensions with observations. We discuss possible causes that can explain this disagreement, including target selection effects. Overall, the standard HAM model describes remarkably well the clustering statistics of the CMASS sample. We compare the stellar to halo mass relation for the CMASS sample measured using weak lensing in the CFHT Stripe 82 Survey with the prediction of our clustering model, and find a good agreement within 1-$σ$. The BigMD-BOSS light-cone including properties of BOSS galaxies and halo properties is made publicly available.
16 pages, 16 figures. See companion papers that share the "The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey:" title
Digital Sky Survey, Cosmology and Gravitation, Cosmology and Nongalactic Astrophysics (astro-ph.CO), Large-scale structure of Universe, Galaxies: abundances, astro-ph.GA, FOS: Physical sciences, Astronomy & Astrophysics, methods: numerical, Galaxies: Abundances, abundances [galaxies], Galaxies: haloes, /dk/atira/pure/core/subjects/cosmology, Methods: numerical, Galaxies: Haloes, numerical [methods], Astrophysics - Astrophysics of Galaxies, Large-Scale, 520, galaxies: haloes, haloes [galaxies], Structure Of Universe, Methods: Numerical, Astrophysics of Galaxies (astro-ph.GA), astro-ph.CO, galaxies: abundances, large-scale structure of Universe, Astronomical and Space Sciences, Astrophysics - Cosmology and Nongalactic Astrophysics
Digital Sky Survey, Cosmology and Gravitation, Cosmology and Nongalactic Astrophysics (astro-ph.CO), Large-scale structure of Universe, Galaxies: abundances, astro-ph.GA, FOS: Physical sciences, Astronomy & Astrophysics, methods: numerical, Galaxies: Abundances, abundances [galaxies], Galaxies: haloes, /dk/atira/pure/core/subjects/cosmology, Methods: numerical, Galaxies: Haloes, numerical [methods], Astrophysics - Astrophysics of Galaxies, Large-Scale, 520, galaxies: haloes, haloes [galaxies], Structure Of Universe, Methods: Numerical, Astrophysics of Galaxies (astro-ph.GA), astro-ph.CO, galaxies: abundances, large-scale structure of Universe, Astronomical and Space Sciences, Astrophysics - Cosmology and Nongalactic Astrophysics
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