Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979aj.....84..951k&link_type=abstract
Astronomical Journal, vol. 84, July 1979, p. 951-959. Research supported by the Alfred P. Sloan Foundation.
Astronomy and Astrophysics
Astronomy
158
Galactic Clusters, Galaxies, Luminous Intensity, Space Density, Spatial Distribution, Covariance, Density Distribution, Galactic Radiation
Scientific paper
Redshifts, magnitudes, and colors for a complete sample of galaxies in eight fields scattered in the north and south galactic caps are used, together with data for the brighter sample of galaxies in the Second Reference Catalog of Bright Galaxies (1976), in order to determine the general luminosity function for galaxies. The results are compared with those obtained for galaxies in rich clusters, and the galaxy density is determined as a function of galactocentric distance in the two polar caps. The galaxy counts and the distribution of rich clusters are employed to derive additional information about the radial density variation. A spatial covariance function is obtained which provides strong evidence for clustering of galaxies well beyond the 'break' in the covariance function of Soneira and Peebles (1978).
Kirshner Robert P.
Oemler Augustus Jr.
Schechter Paul L.
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