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The very local Hubble flow: computer simulations of dynamical history

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arxiv astro-ph/0310048 v1 pith:VXUZ5LNF submitted 2003-10-02 astro-ph

A. D. Chernin , I. D. Karachentsev , M. J. Valtonen , V. P. Dolgachev , L. M. Domozhilova , D. I. Makarov This is my paper
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keywords flowlocalsimulationscomputerdynamicalhubbleveryantigravity
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abstract

The phenomenon of the very local ($\le3$ Mpc) Hubble flow is studied on the basis of the data of recent precision observations. A set of computer simulations is performed to trace the trajectories of the flow galaxies back in time to the epoch of the formation of the Local Group. It is found that the `initial conditions' of the flow are drastically different from the linear velocity-distance relation. The simulations enable also to recognize the major trends of the flow evolution and identify the dynamical role of universal antigravity produced by cosmic vacuum.

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