Astronomy and Astrophysics – Astrophysics
Scientific paper
2004-06-02
Astronomy and Astrophysics
Astrophysics
8 pages, 1 figure
Scientific paper
The effect of capture of a cosmic object by the central gravitational field of a galaxy cluster is described in the expanding Universe. The cosmic evolution can be the origin of the capture explaining formation of galaxies and their clusters from the homogenous distribution of matter in the Universe. The Newton-like equation of the capture is derived for arbitrary equations of state in terms of the red shift parameter, and the influence of the Hubble velocities on the rotational curves is studied. The obtained rotational curves show us that the deficit of the visible matter for superclusters $M\sim 10^{15}M_{\odot}$ can be increased in the version of cosmology where observational quantities are identified with the conformal ones.
Flin Piotr
Pervushin Victor
Zorin Andrey
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