Simulating cosmic shear surveys with redshift information

Details Simulating cosmic shear surveys with redshift information Simulating cosmic shear surveys with redshift information

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005iaus..225...49k&link_type=abstract

Gravitational Lensing Impact on Cosmology, IAU Symposium, vol. 225. Edited by Yannick Mellier and Georges Meylan, ISBN 052185196

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Cosmic shear is an essential cosmological tool, breaking degeneracies inherent to CMB data and providing an independent check of cosmological parameters. Upcoming cosmic shear surveys with photometric redshift information will enable tighter constraints to be placed on cosmological parameters, and allow us to explore how dark matter evolves. A Monte Carlo method to rapidly simulate mock surveys enables us to estimate the covariance matrix for the shear correlation functions, and hence the expected errors on cosmological parameter estimates given survey specifications. We also make brief remarks on the separation of the cosmic shear signal from any due to intrinsic galaxy alignments.

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