Hendrik Hildebrandt

TL;DR: In this article, the authors measured stacked weak lensing cluster masses for a sample of 1325 galaxy clusters detected by the RedGOLD algorithm in the Canada-France-Hawaii Telescope Legacy Survey W1 and the Next Generation Virgo Cluster Survey at $0.48\pm 0.04)+(1.14\pm0.23)

TL;DR: In this article, the authors present an analysis of the problem based on the self-organizing map, a method of mapping the distribution of data in a high-dimensional space and projecting it onto a lower-dimensional representation, enabling them to robustly map the empirical distribution of galaxies in the multidimensional color space defined by the expected Euclid filters.

TL;DR: In this article, the authors investigate the accuracy of photometric redshifts computed by the 3D-HST team for the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey fields, which provide a relevant photometric reference data set for deep weak lensing studies.

TL;DR: In this paper, the authors investigated the possibility of measuring the galaxy mean redshift with an accuracy better than 0.2 99.8% in ten tomographic bins spanning the redshift interval.

TL;DR: In this paper, weak gravitational lensing magnification is used to calibrate the mass-richness relation of clusters up to a redshift of 1.4, which is a promising and complementary method to shear studies, that can be applied at higher redshifts.