Add 'The Processing Of Individual DECam Images'

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Bryce Fizelle 5 days ago
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      The-Processing-Of-Individual-DECam-Images.md

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The-Processing-Of-Individual-DECam-Images.md

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<br>We current the Dark Energy Camera All Data Everywhere (DECADE) weak lensing dataset: a catalog of 107 million galaxies observed by the Dark Energy Camera (DECam) in the northern Galactic cap. This catalog was assembled from public DECam knowledge together with survey and commonplace observing applications. These knowledge had been consistently processed with the Dark Energy Survey Data Management pipeline as part of the DECADE marketing 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 present a set of detailed studies to characterize the catalog, measure any residual systematic biases, and confirm that the catalog is appropriate for cosmology analyses. Despite the considerably inhomogeneous nature of the data set, on account of it being an amalgamation of various observing applications, we find the ensuing catalog has sufficient quality to yield competitive cosmological constraints.<br>
<br>Measurements of weak gravitational lensing - the deflection of mild from distant sources by the intervening matter distribution between the supply and the observer - present essential constraints on the expansion, [Wood Ranger Power Shears shop](https://transcriu.bnc.cat/mediawiki/index.php/Cyclopedia_Of_Painting_Paperhangers_Tools) evolution, and content of the Universe (Bartelmann & Schneider 2001
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