Simulating Error in Cluster Weak Lensing Tomography

Details Simulating Error in Cluster Weak Lensing Tomography Simulating Error in Cluster Weak Lensing Tomography

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21911205m&link_type=abstract

American Astronomical Society, AAS Meeting #219, #112.05

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the results of an N-body simulation of the various sources of systematic error in constraining the dark energy equation of state via cluster weak lensing tomography. The use of tomographic techniques to constrain the dark energy equation of state parameter is a pivotal component of future large survey missions, however, the application of tomography to cosmic shear necessitates the exclusion of regions around galaxy clusters from analysis. We therefore test the applicability tomography to cluster-induced shear as a secondary, complementary sample through which estimates of the dark energy e.o.s. parameter can be made. Furthermore, we demonstrate the application of this technique to a test sample of 10 massive galaxy clusters imaged by the Hubble Space Telescope.

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