Impact of Point Spread Function Higher Moments Error on Weak Gravitational Lensing

@inproceedings{Zhang2021ImpactOP,
  title={Impact of Point Spread Function Higher Moments Error on Weak Gravitational Lensing},
  author={Tianqing Zhang and Rachel Mandelbaum and The Lsst Dark Energy Science Collaboration},
  year={2021}
}
Weak gravitational lensing, or weak lensing, is one of the most powerful probes for dark matter and dark energy science, although it faces increasing challenges in controlling systematic uncertainties as the statistical errors become smaller. The Point Spread Function (PSF) needs to be precisely modeled to avoid systematic error on the weak lensing measurements. The weak lensing biases induced by errors in the PSF model second moments, i.e., its size and shape, are well-studied. However, Zhang… 

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