The Hubble diagram for a system within dark energy: influence of some relevant quantities

Author： Saarinen J.   Teerikorpi P.  

Publisher： Edp Sciences

E-ISSN： 1432-0746|568|issue|A33-A33

ISSN： 0004-6361

Source： Astronomy & Astrophysics, Vol.568, Iss.issue, 2014-08, pp. : A33-A33

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Abstract

Aims. We study the influence of relevant quantities, including the density of dark energy (DE), to the predicted Hubble outflow around a system of galaxies. In particular, we are interested in the difference between two models: 1) the standard ΛCDM model, with the everywhere constant DE density, and 2) the “Swiss cheese model”, where the Universe is as old as the standard model and the DE density is zero on short scales, including the environment of the system.

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