Anisotropies of the cosmic background radiation in a cellular-structured universe

Details Anisotropies of the cosmic background radiation in a cellular-structured universe Anisotropies of the cosmic background radiation in a cellular-structured universe

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...228....1f&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 228, no. 1, Feb. 1990, p. 1-5.

Astronomy and Astrophysics

Astrophysics

2

Relic Radiation, Universe, Anisotropy, Astronomical Models

Scientific paper

The anisotropies of the cosmic background radiation are studied within the framework of a recent model which considers a fractal distribution of cosmic matter up to characteristic cells of size 100-300 Mpc. This model, while it meets no difficulty with anisotropy data at angular scales gamma less than 1 deg, is usefully constrained by data at gamma = 1-90 deg. Limits are imposed on the rms perturbation amplitude at thermal decoupling, which depend on the angular size of the fractal cell. A recently claimed detection of anisotropy at the scale of 8 deg is also discussed in the light of the model.

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