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The Evolution and Space Density of Damped Lyman-α Galaxies

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Abstract

The results of a new spectroscopic survey of 66 z ≳ 4 quasars for Damped Lyman-a absorption systems are presented. The search led to the discovery of 26 new DLA candidates which are analysed in order to compute the comoving mass density of neutral gas in a non-zero A Universe. The possible sources of uncertainty are discussed and the implications of our results for the theories of galaxy formation and evolution are emphasized. A subsequent paper will present details of the calculations summarised here and a more extensive explanation of the consequences of our observations for the understanding of the nature of DLAs.

Keywords

  • Column Density
  • Space Density
  • Galaxy Formation
  • Galaxy Evolution
  • Redshift Range

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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  • DOI: 10.1007/978-94-017-3313-7_142
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© 2001 Springer Science+Business Media Dordrecht

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Péroux, C., Irwin, M.J., Mcmahon, R.G., Storrie-Lombardi, L.J. (2001). The Evolution and Space Density of Damped Lyman-α Galaxies. In: Vílchez, J.M., Stasińska, G., Pérez, E. (eds) The Evolution of Galaxies. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-3313-7_142

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  • DOI: https://doi.org/10.1007/978-94-017-3313-7_142

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-5821-8

  • Online ISBN: 978-94-017-3313-7

  • eBook Packages: Springer Book Archive