Using supercluster geometry as a cosmological probe

Details Using supercluster geometry as a cosmological probe Using supercluster geometry as a cosmological probe

2001-09-10

arxiv.org/abs/astro-ph/0109153v1

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures, to be puplished in the proceedings of the ''Sesto 2001-Tracing Cosmic Evolution with Galaxy Clusters'', Se

Scientific paper

We study the properties of superclusters detected in the Abell/ACO cluster catalogue. We identify the superclusters utilizing the `friend-of-friend' procedure, and then determine supercluster shapes by using the differential geometry approach. We find that the dominant supercluster morphological feature is filamentariness. We compare our Abell/ACO supercluster results with the corresponding ones generated from two different CDM cosmological models in order to investigate statistically which of the latter models best reproduces the observational results.

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