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Dark Energy Survey Year 1 results: Cosmological constraints from cosmic shear

Dark Energy Survey Year 1 results: Cosmological constraints from cosmic shear

We use 26×106 galaxies from the Dark Energy Survey (DES) Year 1 shape catalogs over 1321 deg2 of the sky to produce the most significant measurement of cosmic shear in a galaxy survey to date. We constrain cosmological parameters in both the flat ΛCDM and the wCDM models, while also …