Point spread function calibration requirements for dark energy from cosmic shear

2007/11/30 by S. Paulin-Henriksson, S. Paulin‐Henriksson, A. Amara +5 · 138 citations
Physics and Astronomy · #Astronomy #Astronomy and Astrophysical Research #Astrophysics #COSMIC cancer database #Context (archaeology) #Cosmology #Dark energy #Galaxies: Formation, Evolution, Phenomena #Galaxy #Gamma-ray bursts and supernovae #Geology #Physics #Shear (geology) #astro-ph

paper · pdf · doi:10.1051/0004-6361:20079150

published in Astronomy and Astrophysics 484(1), 67-77 (EDP Sciences) · 13 pages, 4 figures, accepted by A&A

openalex publication_date 2008/03/19 · arxiv created 2008/04/28 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

Context. The control of systematic effects when measuring background galaxy shapes is one of the main challenges for cosmic shear analyses.

Citations

• Weak Lensing from Space. II. Dark Matter Mapping
• Weak Lensing from Space. III. Cosmological Parameters
• Weak Gravitational Lensing by Large-Scale Structure
• Shapelets -- II. A method for weak lensing measurements

Cited by

• Calibration of colour gradient bias in shear measurement using HST/CANDELS data
• Bayesian galaxy shape measurement for weak lensing surveys – III. Application to the Canada–France–Hawaii Telescope Lensing Survey
• Impact of point spread function higher moments error on weak gravitational lensing
• Laboratory Measurement of the Brighter-fatter Effect in an H2RG Infrared Detector
• Detecting unresolved binary stars inEuclidVIS images
• Cosmic shear E/B-mode estimation with binned correlation function data
• Dark Energy Survey Y3 results: blending shear and redshift biases in image simulations
• Origins of weak lensing systematics, and requirements on future instrumentation (or knowledge of instrumentation)
• Defining a weak lensing experiment in space
• Catastrophic photometric redshift errors: weak-lensing survey requirements

Related

• Cosmic Shear Bias and Calibration in Cosmic Shear Studies
• How Tomographic Cosmic Shear Maps Lead to Constraints on Dark Energy Properties
• Development of an unbiased cosmic shear estimator measured on galaxy images
• BIASED DARK ENERGY CONSTRAINTS FROM NEGLECTING REDUCED SHEAR IN WEAK-LENSING SURVEYS
• Dark Energy Survey Year 6 Results: Point-Spread Function Modeling