Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-07-15
Astronomy and Astrophysics
Astrophysics
submitted to A&A
Scientific paper
The physical nature of the very local (<3 Mpc) Hubble flow is studied on the basis of the recent high precision observations in the Local Volume. A model including both analytical treatment and computer simulations describes the flow dynamical evolution from a chaotic Little Bang initial state to the present-day state of a quasi-regular expansion. The two major observational parameters of the flow, which are the rate of expansion and the velocity dispersion, find a clear qualitative and quantitative explanation in the model.
Chernin Arthur D.
Dolgachev V. P.
Domozhilova L. M.
Karachentsev Igor D.
Makarov Dmitry I.
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