Gravitational dip profiles of the microwave background radiation temperature towards rich clusters of galaxies
Open Access
- 15 July 1991
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 251 (2) , 248-252
- https://doi.org/10.1093/mnras/251.2.248
Abstract
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, we apply the general spherical model of pure infall of a compensated lump and normalize resulting density profiles to the Coma cluster density field. The predicted values of the temperature dip amplitude toward the cluster turn out to be well below the accuracy of present measurements.Keywords
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