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Title:
Tests of cosmological models constrained by inflation
Authors:
Peebles, P. J. E.
Affiliation:
AA(Princeton University, Princeton, NJ)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 284, Sept. 15, 1984, p. 439-444. NSF-supported research. (ApJ Homepage)
Publication Date:
09/1984
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Astronomical Models, Cosmology, Adiabatic Conditions, Density Distribution, Galactic Evolution, Perturbation Theory
DOI:
10.1086/162425
Bibliographic Code:
1984ApJ...284..439P

Abstract

The inflationary scenario requires that the universe have negligible curvature along constant-density surfaces. In the Friedmann-Lemaitre cosmology that leaves us with two free parameters, Hubble's constant H0 and the density parameter Omega0 (or, equivalently, the cosmological constant Lambda). The author discusses here tests of this set of models from local and high-redshift observations. The data agree reasonably well with Omega0 ≡ 0.2.

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