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Superclustering: Theory Versus Observations

Published online by Cambridge University Press:  03 August 2017

Jaan Einasto ,
Maret Einasto ,
Enn Saar ,
Bernard J. T. Jones  and
Vicent J. Martinez
Jaan Einasto
Affiliation:
Tartu Astrophysical Observatory, Toravere, Estonia, USSR
Maret Einasto
Affiliation:
Tartu Astrophysical Observatory, Toravere, Estonia, USSR
Enn Saar
Affiliation:
Tartu Astrophysical Observatory, Toravere, Estonia, USSR
Bernard J. T. Jones
Affiliation:
NORDITA, Copenhagen, Denmark
Vicent J. Martinez
Affiliation:
NORDITA, Copenhagen, Denmark

Abstract

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The spatial distribution of galaxies is compared with model distributions. It is demonstrated that giant and dwarf galaxies in the Local Supercluster occupy statistically identical regions. Various tests suggest that galaxy formation is biased since all unbiased model distributions are in conflict with observed distribution of galaxies. Multifractal analysis shows that a cold dark matter dominated universe with biased galaxy formation has a fairly constant fractal dimension over a broad range of scales. This contrasts with the observed distribution which does not show simple fractal features.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 130: Large Scale Structures of the Universe , 1988 , pp. 245 - 254
Copyright
Copyright © Reidel 1988 

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