Simulations of early galaxy formation

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1 Scopus citations

Abstract

We present the predictions for the photometric and emission line properties of galaxies present during the latter stages of reionization from z = 8 → 6. These preliminary predictions are made from cosmological hydrodynamic simulations that include star formation and feedback, but not the effects of radiative transfer. We find significant numbers of galaxies that have stellar masses exceeding 108 M by z = 8, with metallicities in the range of one-tenth solar. These galaxies are just beyond the reach of current near-infrared surveys, but should be found in large numbers by next-generation programs. The Lyα luminosity function does not evolve much from z = 6 to z = 8, meaning that it should also be possible to detect these objects in significant numbers with upcoming narrow band surveys, unless the escape fraction of Lyα evolves significantly between those epochs.

Original languageEnglish (US)
Pages (from-to)24-28
Number of pages5
JournalNew Astronomy Reviews
Volume50
Issue number1-3 SPEC. ISS.
DOIs
StatePublished - Mar 2006

Keywords

  • Cosmology
  • Galaxy formation
  • Theory

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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