Gravitational dip profiles of the microwave background radiation temperature towards rich clusters of galaxies

Details Gravitational dip profiles of the microwave background radiation temperature towards rich clusters of galaxies Gravitational dip profiles of the microwave background radiation temperature towards rich clusters of galaxies

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.251..248c&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 251, July 15, 1991, p. 248-252.

Astronomy and Astrophysics

Astronomy

10

Galactic Clusters, Gravitational Effects, Relic Radiation, Astronomical Models, Galactic Mass, Red Shift, Temperature Measurement, Virial Theorem

Scientific paper

The anisotropies of the temperature of the microwave background radiation due to gravitational effects of clusters of galaxies are studied in the frame of the potential approximation method. To describe a 'typical' cluster, the general spherical model of pure infall of a compensated lump is applied, and resulting density profiles are normalized to the Coma-density cluster field. The predicted values of the temperature-dip amplitude toward the cluster turn out to be well below the accuracy of present measurements.

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