Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-12-05
Astronomy and Astrophysics
Astrophysics
8 pages, 3 figures. To appear in the proceedings of the XLIst Rencontres de Moriond, XXVIth Astrophysics Moriond Meeting: "Fro
Scientific paper
Deep redshift surveys of the universe provide the basic ingredients to compute the probability distribution function (PDF) of galaxy fluctuations and to constrain its evolution with cosmic time. When this statistic is combined with analytical CDM predictions for the PDF of mass, useful insights into the biasing function relating mass and galaxy distributions can be obtained. In this paper, we focus on two issues: the shape of the biasing function and its evolution with redshift. We constrain these quantities by using a preliminary sample of galaxies spectroscopically surveyed by the Vimos-VLT Deep Survey in a deep cone 0.4
Le Fèvre Oliver
Marinoni Christian
Meneux Baptiste
team the VVDS
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