Sentences with phrase «shear measurement noise»
Abstract: We present a simulation analysis of weak gravitational lensing flexion and shear measurement using shapelet decomposition, and identify differences between flexion and shear measurement noise in deep survey data.
https://arxiv.org/
Taking models of galaxies from the Hubble Space Telescope Ultra Deep Field (HUDF) and applying a correction for the HUDF point spread function we generate lensed simulations of deep, opti... ▽ More We present a simulation analysis of weak gravitational lensing flexion and shear measurement using shapelet decomposition, and identify differences between flexion and shear measurement noise in deep survey data.
Not exact matches
This noise is either systemic (caused by measurement errors, etc) or aleatory which is contributions from everything else we don't yet fully comprehend, or can't because of the shear number of other paths.