1 The Processing Of Individual DECam Images
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We present the Dark Energy Camera All Data Everywhere (DECADE) weak lensing dataset: a catalog of 107 million galaxies noticed by the Dark Energy Camera (DECam) in the northern Galactic cap. This catalog was assembled from public DECam knowledge including survey and standard observing programs. These information were persistently processed with the Dark Energy Survey Data Management pipeline as part of the DECADE campaign and serve as the basis of the DECam Local Volume Exploration survey (DELVE) Early Data Release three (EDR3). We apply the Metacalibration measurement algorithm to generate and calibrate galaxy shapes. We current a collection of detailed studies to characterize the catalog, Wood Ranger Power Shears USA Ranger garden power shears Shears warranty measure any residual systematic biases, and verify that the catalog is appropriate for cosmology analyses. Despite the significantly inhomogeneous nature of the data set, due to it being an amalgamation of assorted observing packages, we discover the ensuing catalog has adequate high quality to yield aggressive cosmological constraints.


Measurements of weak gravitational lensing - the deflection of gentle from distant sources by the intervening matter distribution between the source and the observer - present necessary constraints on the growth, evolution, and content of the Universe (Bartelmann & Schneider 2001