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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…
The Weak Lensing Signal and the Clustering of BOSS Galaxies II: Astrophysical and Cosmological Constraints
Surhud More, Hironao Miyatake, Rachel Mandelbaum +4
We perform a joint analysis of the abundance, the clustering and the galaxy-galaxy lensing signal of galaxies measured from Data Release 11 of the Sloan Digital Sky Survey III Bary…
The GREAT3 Challenge
Hironao Miyatake, Rachel Mandelbaum, Barnaby Rowe
The GRavitational lEnsing Accuracy Testing 3 (GREAT3) challenge is an image analysis competition that aims to test algorithms to measure weak gravitational lensing from astronomica…
Detection of Stacked Filament Lensing Between SDSS Luminous Red Galaxies
Joseph Clampitt, Hironao Miyatake, Bhuvnesh Jain +1
We search for the lensing signal of massive filaments between 135,000 pairs of Luminous Red Galaxies (LRGs) from the Sloan Digital Sky Survey. We develop a new estimator that clean…