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Corpus ID: 231986477

The integrated 3-point correlation function of cosmic shear

@inproceedings{Halder2021TheI3,
title={The integrated 3-point correlation function of cosmic shear},
author={Anik Halder and O. Friedrich and S. Seitz and T. Varga},
year={2021}
}

We present the integrated 3-point shear correlation function iζ± — a higher-order statistic of the cosmic shear field — which can be directly estimated in wide-area weak lensing surveys without measuring the full 3-point shear correlation function, making this a practical and complementary tool to 2-point statistics for weak lensing cosmology. We define it as the 1-point aperture mass statistic Map measured at different locations on the shear field correlated with the corresponding local 2… Expand