THE EVOLUTION OF GALAXY NUMBER DENSITY AT z < 8 AND ITS IMPLICATIONS

@article{Conselice2016THEEO,
  title={THE EVOLUTION OF GALAXY NUMBER DENSITY AT z < 8 AND ITS IMPLICATIONS},
  author={Christopher J. Conselice and Aaron Wilkinson and Kenneth J. Duncan and Alice Mortlock},
  journal={The Astrophysical Journal},
  year={2016},
  volume={830}
}
The evolution of the number density of galaxies in the universe, and thus also the total number of galaxies, is a fundamental question with implications for a host of astrophysical problems including galaxy evolution and cosmology. However, there has never been a detailed study of this important measurement, nor a clear path to answer it. To address this we use observed galaxy stellar mass functions up to z ∼ 8 to determine how the number densities of galaxies change as a function of time and… 
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