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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…
GalSim: The modular galaxy image simulation toolkit
Barnaby Rowe, Mike Jarvis, Rachel Mandelbaum +12
GALSIM is a collaborative, open-source project aimed at providing an image simulation tool of enduring benefit to the astronomical community. It provides a software library for gen…
Mass and galaxy distributions of four massive galaxy clusters from Dark Energy Survey Science Verification data
P. Melchior, E. Suchyta, E. Huff +89
We measure the weak-lensing masses and galaxy distributions of four massive galaxy clusters observed during the Science Verification phase of the Dark Energy Survey. This pathfinde…