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The dark matter environment of the Abell 901/902 supercluster: A weak lensing analysis of the HST STAGES survey

Heymans, Catherine; Gray, M E; Peng, Chien Y; van Waerbeke, L; Bell, Eric F; Wolf, Christian; Bacon, David; Balogh, M; Barazza, Fabio D; Barden, M; Bohm, Asmus

Description

We present a high-resolution dark matter reconstruction of the z = 0.165 Abell 901/902 supercluster from a weak lensing analysis of the Hubble Space Telescope STAGES survey. We detect the four main structures of the supercluster at high significance, resolving substructure within and between the clusters. We find that the distribution of dark matter is well traced by the cluster galaxies, with the brightest cluster galaxies marking out the strongest peaks in the dark matter distribution. We...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
URI: http://hdl.handle.net/1885/71447
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1111/j.1365-2966.2008.12919.x

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