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2005MNRAS.362.1301M - Mon. Not. R. Astron. Soc., 362, 1301-1310 (2005/October-1)
Constraints on dark energy models from galaxy clusters with multiple arcs.
MENEGHETTI M., JAIN B., BARTELMANN M. and DOLAG K.
Abstract (from CDS):
We use such numerically simulated clusters to estimate how large a sample of clusters/arcs could provide interesting constraints on dark energy models. We focus on the scatter produced by differences in the mass distribution of individual clusters. We find from our sample of simulated clusters that at least 1000 pairs of arcs are needed to obtain constraints if the mass distribution of individual clusters is taken to be undetermined. We discuss several unsolved problems that need study to develop this method fully for precision studies with future surveys.
Abstract Copyright: 2005 RAS
Journal keyword(s): gravitational lensing - galaxies: clusters: general - cosmology: theory
Simbad objects: 3
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