Sathyaprakash, B. S. ; Sahni, Varun ; Shandarin, Sergei ; Fisher, Karl B. (1998) Filaments and pancakes in the IRAS 1.2 Jy redshift catalog The Astrophysical Journal Letters, 507 (2). L109-L112. ISSN 2041-8205
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Official URL: http://iopscience.iop.org/1538-4357/507/2/L109
Related URL: http://dx.doi.org/10.1086/311689
Abstract
We explore the shapes of clusters and superclusters in the IRAS 1.2 Jy redshift survey with three reconstructions spanning the range β=0.1, 0.5, and 1.0, where β=Ω0.6/b; b is the bias factor, and Ω is the present value of the dimensionless matter density. Comparing our results with Gaussian randomized reconstructions of the IRAS catalog, we find structures having both planar and filamentary properties. For β=0.5 and 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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Physics. |
| ID Code: | 47355 |
| Deposited On: | 11 Jul 2011 05:40 |
| Last Modified: | 11 Jul 2011 05:40 |
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