Galaxy distribution in a cold dark matter universe

Details Galaxy distribution in a cold dark matter universe Galaxy distribution in a cold dark matter universe

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987natur.330..451w&link_type=abstract

Nature (ISSN 0028-0836), vol. 330, Dec. 3, 1987, p. 451-453. Research supported by NATO, SERC, and Nuffield Foundation.

Statistics

Computation

192

Computational Astrophysics, Dark Matter, Galaxies, Gravitational Effects, Spatial Distribution, Astronomical Models, Galactic Clusters, Universe

Scientific paper

It is shown here that the gravitational growth of structure by hierarchical galactic clustering leads automatically to a bias in the distribution of galaxies. The strength of this bias is such that if the universe does indeed conform to the cold dark matter model, then its density must approach the closure value. The mechanism predicts a significant dependence of the strength of galaxy clustering on the depth of the potential well of the galaxies considered.

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