Analytical weak-lensing shear response of galaxy model fitting

arXiv:2506.16607 · astro-ph.CO · Submitted 2025-06-19 · Read on arXiv

astro-ph.CO

Submitted: 2025-06-19

Updated: 2026-10-01

Comments: 10 pages, 4 figures

Code: https://github.com/LSSTDESC/descwl-shear-sims

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Accuracy — 5× in this paper · explained in 1 episode
• Calibration — 5× in this paper · explained in 7 episodes
• Weak Lensing — 5× in this paper · explained in 2 episodes
• Gravitational Lensing — 3× in this paper · explained in 2 episodes
• AGN — 2× in this paper · explained in 1 episode
• Anisotropy — 1× in this paper · explained in 3 episodes
• Bayesian Framework — 1× in this paper · explained in 3 episodes
• Clustering — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Selection Bias — 1× in this paper · explained in 4 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• The Wide Field Infrared Survey Telescope: 100 Hubbles for the 2020s
• Chromatic Effects on the PSF and Shear Measurement for the Roman Space Telescope High-Latitude Wide Area Survey
• Automatic differentiation in machine learning: a survey
• Metacalibration: Direct Self-Calibration of Biases in Shear Measurement
• Euclid Definition Study Report
• The LSST Dark Energy Science Collaboration (DESC) Science Requirements Document

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