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The SDSS Coadd: Cosmic Shear Measurement
Huan Lin, Scott Dodelson, Hee-Jong Seo +7
Stripe 82 in the Sloan Digital Sky Survey was observed multiple times, allowing deeper images to be constructed by coadding the data. Here we analyze the ellipticities of backgroun…
The SDSS Coadd: Cross-Correlation Weak Lensing and Tomography of Galaxy Clusters
Melanie Simet, Jeffrey M. Kubo, Scott Dodelson +7
The shapes of distant galaxies are sheared by intervening galaxy clusters. We examine this effect in Stripe 82, a 275 square degree region observed multiple times in the Sloan Digi…
The SDSS Coadd: A Galaxy Photometric Redshift Catalog
Ribamar R. R. Reis, Marcelle Soares-Santos, James Annis +7
We present and describe a catalog of galaxy photometric redshifts (photo-z's) for the Sloan Digital Sky Survey (SDSS) Coadd Data. We use the Artificial Neural Network (ANN) techniq…
The SDSS Coadd: 275 deg^2 of Deep SDSS Imaging on Stripe 82
James Annis, Marcelle Soares-Santos, Michael A. Strauss +17
We present details of the construction and characterization of the coaddition of the Sloan Digital Sky Survey Stripe 82 \ugriz\ imaging data. This survey consists of 275 deg of…
DECam integration tests on telescope simulator
M. Soares-Santos, J. Annis, M. Bonati +31
The Dark Energy Survey (DES) is a next generation optical survey aimed at measuring the expansion history of the universe using four probes: weak gravitational lensing, galaxy clus…