3 papers
astro-ph.CO2021
Effects of overlapping sources on cosmic shear estimation: Statistical sensitivity and pixel-noise bias
Javier Sanchez, Ismael Mendoza, David P. Kirkby +1
In Stage-IV imaging surveys, a significant amount of the cosmologically useful information is due to sources whose images overlap with those of other sources on the sky. The cosmic…
astro-ph.GA2020
Shadows in the Dark: Low-Surface-Brightness Galaxies Discovered in the Dark Energy Survey
D. Tanoglidis, A. Drlica-Wagner, K. Wei +67
We present a catalog of 23,790 extended low-surface-brightness galaxies (LSBGs) identified in from the first three years of imaging data from the Dark Energy Survey…
astro-ph.CO2018
A unified pseudo- framework
David Alonso, Javier Sanchez, Anže Slosar
The pseudo- is an algorithm for estimating the angular power and cross-power spectra that is very fast and, in realistic cases, also nearly optimal. The algorithm can be ex…