The Very local Hubble flow: Computer simulations of dynamical history - INSPIRE

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The Very local Hubble flow: Computer simulations of dynamical history

Arthur D. Chernin
(
- Sternberg Astron. Inst. and
- Tuorla Observ. and
- Oulu U.
)
,
Igor D. Karachentsev
(
- Stavropol, Astrophys. Observ.
)
,
Mauri J. Valtonen
(
- Tuorla Observ. and
- West Indies U., Trinidad
)
,
Valentin P. Dolgachev
(
- Sternberg Astron. Inst.
)
,
Ludmilla M. Domozhilova
(
- Sternberg Astron. Inst.
)

Oct, 2003

10 pages

Published in:

Astron.Astrophys. 415 (2004) 19-25

e-Print:

astro-ph/0310048 [astro-ph]

DOI:

10.1051/0004-6361:20034170

View in:

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Abstract: (arXiv)

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.

galaxies: Local Group

References(17)

Figures(0)

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