A complete sample of southern E and S0 galaxies - Clustering properties

Details A complete sample of southern E and S0 galaxies - Clustering properties A complete sample of southern E and S0 galaxies - Clustering properties

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...287...80s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 287, Dec. 1, 1984, p. 80-88.

Astronomy and Astrophysics

Astrophysics

2

Elliptical Galaxies, Galactic Clusters, Galactic Evolution, Angular Distribution, Covariance, Galactic Structure, Statistical Correlation

Scientific paper

The angular and spatial clustering of a sample of southern elliptical and S0 galaxies, complete to a limiting apparent magnitude of 13.8 and all having measured radial velocities, are analyzed. The sample has an angular covariance function w = 5.6 theta to the -1.1 power, in agreement with previous work. The spatial density field is derived, and thence the three-dimensional covariance function. This is consistent with the angular structure, and gives the more accurate result xi = (6.85/r) to the 2.07 + or - 0.09 power. It was not possible, and is arguably not relevant, to derive a velocity dispersion and a density parameter from this relatively small, relatively local sample.

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