Strong Lensing Clusters in the Red-Sequence Cluster Survey 2

Details Strong Lensing Clusters in the Red-Sequence Cluster Survey 2 Strong Lensing Clusters in the Red-Sequence Cluster Survey 2

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..379..298g&link_type=abstract

Cosmic Frontiers ASP Conference Series, Vol. 379, proceedings of the conference held 31 July-4 August 2006 at Durham University,

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Scientific paper

The Red-Sequence Cluster Survey 2 (RCS-2) is a 1000 square degree survey designed to find clusters out to z˜1. We present preliminary results from a sample of 27 new strongly-lensed arc candidates discovered in the first quarter of the survey area. As with (the order-of-magnitude smaller) RCS-1, we find a deficit of lensing clusters at lower redshifts, relative to predictions. We also find that the clusters with arcs are not necessarily the most massive systems in the survey, suggesting that properties other than mass have a large effect on lensing cross-section.

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