Microwave background anisotropy on scales 10 arcmin - 2 deg as an indicator of the cosmological model

Details Microwave background anisotropy on scales 10 arcmin - 2 deg as an indicator of the cosmological model Microwave background anisotropy on scales 10 arcmin - 2 deg as an indicator of the cosmological model

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...413...14n&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 413, no. 1, p. 14-17.

Astronomy and Astrophysics

Astrophysics

27

Angular Distribution, Astronomical Models, Dark Matter, Relic Radiation, Anisotropy, Scale Models

Scientific paper

We investigate the angular correlations in Delta-T/T on scales of 10 arcmin to 2 deg, which are specific for acoustic modes of perturbations in cosmic plasma before recombination. The behavior of the microwave background correlation function on scales Theta = Thetab = 40 arcmin (and 2 Thetab) allows us to determine the possible existence of these modes and to evaluate the amount of baryons in the universe and the parameter Omega. We propose a special method for filtering of these features in the observational data.

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