Mass assembly in quiescent and star-forming galaxies since z ≃ 4 from UltraVISTA DR1 in the COSMOS field

O. Ilbert, H. J. McCracken, O. Le Fèvre, P. Capak, J. Dunlop, A. Karim, M. A. Renzini, K. Caputi, S. Boissier

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

Abstract

We estimate the galaxy stellar mass function and stellar mass density for star-forming and quiescent galaxies out to z=4. We construct a sample of 220000 galaxies selected at K_{s}1.5 consistent with the expected uncertainties. Finally, we present a new method to infer the specific star formation rate from the mass function of star-forming galaxies and we find a continous increase of the sSFR with redshift out to z˜ 4. The photometric catalogues and associated photometric redshifts are available at http://terapix.iap.fr/article.php?id_article=844.
Original languageEnglish
Title of host publicationSF2A-2013
Subtitle of host publicationProceedings of the Annual meeting of the French Society of Astronomy and Astrophysics
EditorsL. Cambresy, F. Martins, E, Nuss, A. Palacios
Pages545-548
Number of pages4
Publication statusPublished - Nov-2013

Keywords

  • Galaxies: distances and redshifts
  • Galaxies: evolution
  • Galaxies: formation
  • Galaxies: star formation
  • Galaxies: stellar content

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