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GREAT3 results I: systematic errors in shear estimation and the impact of real galaxy morphology
Rachel Mandelbaum, Barnaby Rowe, Robert Armstrong +40
We present first results from the third GRavitational lEnsing Accuracy Testing (GREAT3) challenge, the third in a sequence of challenges for testing methods of inferring weak gravi…
Hierarchical probabilistic inference of cosmic shear
Michael D. Schneider, David W. Hogg, Philip J. Marshall +4
Point estimators for the shearing of galaxy images induced by gravitational lensing involve a complex inverse problem in the presence of noise, pixelization, and model uncertaintie…
Masked areas in shear peak statistics: a forward modeling approach
Deborah Bard, Jan M. Kratochvil, William Dawson
The statistics of shear peaks have been shown to provide valuable cosmological information beyond the power spectrum, and will be an important constraint of models of cosmology wit…