Mathematics – Logic
Scientific paper
Apr 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.237..569h&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 237, April 1, 1989, p. 569-587. Research supported by S
Mathematics
Logic
44
Galactic Clusters, Galactic Mass, Red Shift, Virial Theorem, Astronomical Catalogs, Galactic Radiation, Luminosity, Mass Distribution, Virial Coefficients
Scientific paper
Results are presented from a cosmic virial theorem analysis of the 264 galaxies in the redshift survey of Metcalfe et al. (1989). Constraints on the cosmological density parameter, Omega0, are obtained. At scales less than 1/h Mpc, the mean mass density, Omega0 is estimated at 0.18 + or - 0.09. It is found that, at separation between about 2 and 7/h Mpc (H0 = 100 h km/s/Mpc) the redshift two-point correlation function, xi(s), has a correlation length of 7/h Mpc. At scales above 7/h Mpc, xi(s) breaks away quickly to zero. The results suggest that the universe is homogeneous to about 15 percent in Xi over scales up to 100/h Mpc.
Fong Richard
Hale-Sutton D.
Metcalfe Nigel
Shanks Tom
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