The VIMOS-VLT Deep Survey: Mass and light clustering in the Universe during the last 8 billion years

A. Pollo, U. Abbas, B. Meneux, L. Guzzo, O. Le Fèvre, A. Cappi, H. J. McCracken, A. Iovino, C. Marinoni, D. Bottini, B. Garilli, V. Le Brun, D. Maccagni, J. P. Picat, R. Scaramella, M. Scodeggio, L. Tresse, G. Vettolani, A. Zanichelli, C. AdamiS. Arnouts, S. Bardelli, M. Bolzonella, S. Charlot, P. Ciliegi, T. Contini, S. Foucaud, P. Franzetti, I. Gavignaud, O. Ilbert, B. Marano, A. Mazure, R. Merighi, S. Paltani, R. Pellò, L. Pozzetti, M. Radovich, G. Zamorani, E. Zucca, M. Bondi, A. Bongiorno, J. Brinchmann, O. Cucciati, S. De La Torre, F. Lamareille, Y. Mellier, P. Merluzzi, S. Temporin, D. Vergani, C. J. Walcher

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Resumen

Using the first-epoch data from the VIMOS-VLT Deep Survey (VVDS), we investigate the evolution of the projected two-point correlation function of galaxies between z ∼ 1 and the present epoch. For the global galaxy population we do not find strong variations of clustering with redshift. However, dependence of clustering on intrinsic luminosities and stellar masses of galaxies evolves significantly during this period. We observe more close pairs for the most luminous and (less distinctly) most massive objects at z ∼ 1 as compared to what is seen locally, resulting in a non-power-law shape of their correlation function, with an upturn on small scales. This effect can be modeled within the framework of the halo occupation distribution models and leads to the conclusion that at z ∼ 1 we are possibly observing a population of luminous and not very massive satellite galaxies that occupy the most massive dark-matter halos - an effect that is not seen locally.

Idioma originalInglés
Páginas1203-1208
Número de páginas6
DOI
EstadoPublicada - 2007
EventoA Century of Cosmology: Past, Present and Future - San Servolo, Venice, Italia
Duración: 27 ago. 200731 ago. 2007

Otros

OtrosA Century of Cosmology: Past, Present and Future
País/TerritorioItalia
CiudadSan Servolo, Venice
Período27/08/0731/08/07

Áreas temáticas de ASJC Scopus

  • Astronomía y astrofísica

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