A redshift survey of automatically selected clusters of galaxies.

Details A redshift survey of automatically selected clusters of galaxies. A redshift survey of automatically selected clusters of galaxies.

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990msngr..60...45g&link_type=abstract

The Messenger, vol. 60, p. 45-48

Computer Science

1

Clusters Of Galaxies: Redshift Surveys

Scientific paper

The study of the large-scale structure of the universe provides direct constraints on the initial form of the density fluctuations from which galaxies, clusters and superclusters formed. This can be achieved by mapping the large-scale galaxy distribution, with the assumption that light is a good tracer of the underlying mass distribution. To compare our maps with the theory, we need to extract some numbers describing their properties in a statistical sense. One of the main properties which are of interest in this sense is clustering, i.e. how the distribution of objects differs from a random sample. This is of great importance, since theories usually give precise predictions about the level of clustering on different scales.

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