Filaments and Pancakes in the IRAS 1.2 Jy Redshift Catalogue

Details Filaments and Pancakes in the IRAS 1.2 Jy Redshift Catalogue Filaments and Pancakes in the IRAS 1.2 Jy Redshift Catalogue

1998-05-20

arxiv.org/abs/astro-ph/9805265v1

Astrophys.J.507:L109-L112,1998

Astronomy and Astrophysics

Astrophysics

Latex (7 pages with aas2pp4.sty)

Scientific paper

10.1086/311689

We explore shapes of clusters and superclusters in the IRAS 1.2 Jy redshift survey with three reconstructions spanning the range \beta = 0.1, 0.5, 1.0, where \beta = \Omega^{0.6}/b, b is the bias factor and \Omega the present value of the dimensionless matter density. Comparing our results to Gaussian randomized reconstructions of the IRAS catalogue, we find structures having both planar and filamentary properties. For \beta = 0.5, 1.0 the largest structures in the survey have a distinct tendency to be filament-like} in general agreement with the results of N-body simulations.

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