Cosmological Parameters from Cosmic Shear

Details Cosmological Parameters from Cosmic Shear Cosmological Parameters from Cosmic Shear

2003-09-17

arxiv.org/abs/astro-ph/0309482v1

Astronomy and Astrophysics

Astrophysics

5 pages, 4 figures, to appear in Proc. of "Marseille 2003 - Where Cosmology and Fundamental Physics meet", 23-26 June 2003, Ma

Scientific paper

We present simulations of a cosmic shear survey and show how the survey geometry influences the accuracy of determination of cosmological parameters. We numerically calculate the full covariance matrices of the two-point statistics \xi_+, \xi_- and and use maximum likelihood and Fisher matrix analyses in order to derive expected constraints on the cosmological parameters \Omega_m, \sigma_8, \Gamma, n_s and \Omega_\Lambda.

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