The authors derive the fourth-order galaxy-galaxy lensing 4PCF and aperture statistics, implement a numerical pipeline and FFT estimator, and detect the connected ⟨N³ M_ap⟩ signal at SNR ~9 in stage IV mock data over 2000 deg².
Cosmological Model Predictions for Weak Lensing: Linear and Nonlinear Regimes , volume=
2 Pith papers cite this work. Polarity classification is still indexing.
2
Pith papers citing it
citation-role summary
background 1
citation-polarity summary
fields
astro-ph.CO 2years
2026 2roles
background 1polarities
background 1representative citing papers
UNIONS weak lensing data constrains S8 to 0.891^{+0.057}_{-0.084} in non-tomographic harmonic space, consistent with Planck at 0.79 sigma under LambdaCDM.
citing papers explorer
-
Fourth-order galaxy-galaxy-lensing: Theoretical framework and direct estimation
The authors derive the fourth-order galaxy-galaxy lensing 4PCF and aperture statistics, implement a numerical pipeline and FFT estimator, and detect the connected ⟨N³ M_ap⟩ signal at SNR ~9 in stage IV mock data over 2000 deg².
-
UNIONS-3500 Weak Lensing: IV. 2D cosmological constraints in harmonic space
UNIONS weak lensing data constrains S8 to 0.891^{+0.057}_{-0.084} in non-tomographic harmonic space, consistent with Planck at 0.79 sigma under LambdaCDM.