CFHTLenS tomographic weak lensing cosmological parameter constraints: Mitigating the impact of intrinsic galaxy alignments

Heymans, Catherine; Grocutt, Emma; Heavens, Alan; Kilbinger, M.; Kitching, Thomas; Simpson, Fergus; Benjamin, Jonathan; Erben, T.; Hildebrandt, H.; Hoekstra, Henk; Mellier, Y.; Miller, L.; Van Waerbeke, Ludovic; L. Brown, Michael; Coupon, Jean; Fu, Liping; Harnois-Déraps, Joachim; J. Hudson, Michael; Kuijken, Konrad; Rowe, Barnaby; Schrabback, T.; Semboloni, E.; Vafaei, Sanaz; Velander, M.

doi:10.1093/mnras/stt601

Public

CFHTLenS tomographic weak lensing cosmological parameter constraints: Mitigating the impact of intrinsic galaxy alignments

Published in Monthly Notices of the Royal Astronomical Society • May 9, 2013

Authors:

Catherine Heymans

Emma Grocutt

Alan Heavens

Abstract

We present a finely binned tomographic weak lensing analysis of the Canada–France–Hawaii Telescope Lensing Survey (CFHTLenS) mitigating contamination to the signal from the presence of intrinsic galaxy alignments via the simultaneous fit of a cosmological model and an intrinsic alignment model. CFHT...

Subject

Physics

Astrophysics

Cosmic microwave background

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