New limits to bias and the amount of dark matter in the universe

Details New limits to bias and the amount of dark matter in the universe New limits to bias and the amount of dark matter in the universe

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...315l...1s&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 315, April 1, 1987, p. L1-L4.

Mathematics

Logic

8

Cosmology, Dark Matter, Galactic Clusters, Galactic Evolution, Astronomical Models, Distribution Functions, Statistical Distributions

Scientific paper

The observed thermodynamic distribution function f(N) for galaxies places significant constraints on the amount of structured dark matter in the universe. The simplest models of cold dark matter require the cosmological density parameter Ω0 ⪉ 0.4. Biased galaxy formation in more complicated models must have specific forms which depend on the amount and structure of dark matter in the model.

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