Deviation from Hubble flow, biased galaxy formation, and the mass density of the universe

Details Deviation from Hubble flow, biased galaxy formation, and the mass density of the universe Deviation from Hubble flow, biased galaxy formation, and the mass density of the universe

Jul 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986phrvl..57..257m&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 57, July 14, 1986, p. 257-260.

Physics

9

Galactic Evolution, Gravitational Effects, Hubble Constant, Space Density, Universe, Virgo Galactic Cluster, Autocorrelation, Dark Matter, Density (Mass/Volume), Neutrinos, White Noise

Scientific paper

A wide variety of numerical models of gravitational clustering are used to assess error in estimates of the mass density of the Universe from Virgo infall. The mean estimate of density is too low in both critical-density and low-density models, and it has a large dispersion in all models. Biased cold-dark-matter models produce an estimate of mass density in good agreement with observational estimates from infall.

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