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SUNGLASS: A new weak lensing simulation pipeline
A. Kiessling, A. F. Heavens, A. N. Taylor
A new cosmic shear analysis pipeline SUNGLASS (Simulated UNiverses for Gravitational Lensing Analysis and Shear Surveys) is introduced. SUNGLASS is a pipeline that rapidly generate…
Controlling intrinsic alignments in weak lensing statistics: The nulling and boosting techniques
B. Joachimi, P. Schneider
The intrinsic alignment of galaxies constitutes the major astrophysical source of systematic errors in surveys of weak gravitational lensing by the large-scale structure. We discus…
Constraints on intrinsic alignment contamination of weak lensing surveys using the MegaZ-LRG sample
B. Joachimi, R. Mandelbaum, F. B. Abdalla +1
Correlations between the intrinsic shapes of galaxies and the large-scale galaxy density field provide an important tool to investigate galaxy intrinsic alignments, which constitut…
Intrinsic alignment boosting: Direct measurement of intrinsic alignments in cosmic shear data
B. Joachimi, P. Schneider
Intrinsic alignments constitute the major astrophysical systematic for cosmological weak lensing surveys. We present a purely geometrical method with which one can study gravitatio…