Perturbed Friedmann-Robertson-Walker universes - Observations

Details Perturbed Friedmann-Robertson-Walker universes - Observations Perturbed Friedmann-Robertson-Walker universes - Observations

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...247....1d&link_type=abstract

Astrophysical Journal, Part 1, vol. 247, July 1, 1981, p. 1-8.

Astronomy and Astrophysics

Astronomy

1

Astronomical Models, Cosmology, Perturbation Theory, Relativity, Universe, Anisotropic Media, Hubble Constant, Metric Space, Radio Sources (Astronomy), Relic Radiation

Scientific paper

Anisotropic homogeneous universe models in which the anisotropy is treated as a perturbation of the isotropic case have been considered. Upper limits on the Hubble constant, the deceleration parameter, and the number counts of radio source anisotropies have been evaluated from the upper limits on the model anisotropy imposed by observation of the relic radiation. It is suggested that Friedmann-Robertson-Walker models described adequately the universe as far as observations are concerned.

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