Dark energy survey year 3 results: cosmological constraints from the analysis of cosmic shear in harmonic space
We present cosmological constraints from the analysis of angular power spectra of cosmic shear maps based on data from the first three years of observations by the Dark Energy Survey (DES Y3). Our measurements are based on the pseudo-C ℓ method and complement the analysis of the two-point correlation functions in real space, as the two estimators
Doux, C. et al.
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2022