Fitting Hyperbolic Universes to Cayon-Smoot Spots in COBE Maps
- 1 October 1996
- journal article
- Published by American Astronomical Society in The Astrophysical Journal
- Vol. 470, 43
- https://doi.org/10.1086/177847
Abstract
On the possibility that the universe's matter density is low (Ohm(0) < 1), cosmologies can be considered with the metric of Friedmann's open universe but with closed hyperbolic manifolds as the physical three-space. These models have nontrivial spatial topology, with the property of producing multiple images of cosmic sources. Here a fit is attempted of 10 of these models to the physical cold and hot spots found by Cayon & Smoot in the COBE/DMR maps. These spots are interpreted as early, distant images of much nearer sources of inhomogeneity. The source for one of the cold spots is seen as the seed of a known superclusterKeywords
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