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Accounting for Baryons in Cosmological Constraints from Cosmic Shear
Andrew R. Zentner, Elisabetta Semboloni, Scott Dodelson +3
One of the most pernicious theoretical systematics facing upcoming gravitational lensing surveys is the uncertainty introduced by the effects of baryons on the power spectrum of th…
Testing dark energy paradigms with weak gravitational lensing
R. Ali Vanderveld, Michael J. Mortonson, Wayne Hu +1
Any theory invoked to explain cosmic acceleration predicts consistency relations between the expansion history, structure growth, and all related observables. Currently there exist…
Image Analysis for Cosmology: Results from the GREAT10 Galaxy Challenge
T. D. Kitching, S. T. Balan, S. Bridle +25
In this paper we present results from the weak lensing shape measurement GRavitational lEnsing Accuracy Testing 2010 (GREAT10) Galaxy Challenge. This marks an order of magnitude st…
A new third-order cosmic shear statistics: Separating E/B-mode correlations on a finite interval
Elisabeth Krause, Peter Schneider, Tim Eifler
Decomposing the shear signal into E and B-modes properly, i.e. without leakage of B-modes into the E-mode signal and vice versa, has been a long-standing problem in weak gravitatio…