Topics:
Date:
15. February 2013
Occasion:
Swiss Cosmology Day, Bern
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Summary:
We propose to determine the truly observed two-point statistics from observations, either in terms of the angular power spectra, or in terms of the angle and z-dependent correlations functions. This information can be used, e.g., to constrain cosmological parameters via an Alcock-Paczinski test, or to test GR. Future surveys like Euclid will be sufficiently large to profit maximally from this cleaner cut between observations and modeling.