Dark Energy Survey Year 3 Results: Photometric Data Set for Cosmology

Sevilla-Noarbe, I.; Bechtol, K.; Carrasco Kind, M.; Carnero Rosell, A.; Becker, M. R.; Drlica-Wagner, A.; Gruendl, R. A.; Rykoff, E. S.; Sheldon, E.; Yanny, B.; Alarcon, A.; Allam, S.; Amon, A.; Benoit-Lévy, A.; Bernstein, G. M.; Bertin, E.; Burke, D. L.; Carretero, J.; Choi, A.; Diehl, H. T.; Everett, S.; Flaugher, B.; Gaztanaga, E.; Gschwend, J.; Harrison, I.; Hartley, W. G.; Hoyle, B.; Jarvis, M.; Johnson, M. D.; Kessler, R.; Kron, R.; Kuropatkin, N.; Leistedt, B.; Li, T. S.; Menanteau, F.; Morganson, E.; Ogando, R. C.; Palmese, A.; Paz-Chinchón, F.; Pieres, A.; Pond, C.; Rodriguez-Monroy, M.; Smith, J. Allyn; Stringer, K. M.; Troxel, M. A.; Tucker, D. L.; de Vicente, J.; Wester, W.; Zhang, Y.; Abbott, T. C.; Aguena, M.; Annis, J.; Avila, S.; Bhargava, S.; Bridle, S. L.; Brooks, D.; Brout, D.; Castander, F. J.; Cawthon, R.; Chang, C.; Conselice, C.; Costanzi, M.; Crocce, M.; da Costa, L. N.; Pereira, M. S.; Davis, T. M.; Desai, S.; Dietrich, J. P.; Doel, P.; Eckert, K.; Evrard, A. E.; Ferrero, I.; Fosalba, P.; García-Bellido, J.; Gerdes, D. W.; Giannantonio, T.; Gruen, D.; Gutierrez, G.; Hinton, S. R.; Hollowood, D. L.; Honscheid, K.; Huff, E. M.; Huterer, D.; James, D. J.; Jeltema, T.; Kuehn, K.; Lahav, O.; Lidman, C.; Lima, M.; Lin, H.; Maia, M. G.; Marshall, J. L.; Martini, P.; Melchior, P.; Miquel, R.; Mohr, J. J.; Morgan, R.; Neilsen, E.; Plazas, A. A.; Romer, A. K.; Roodman, A.; Sanchez, E.; Scarpine, V.; Schubnell, M.; Serrano, S.; Smith, M.; Suchyta, E.; Tarle, G.; Thomas, D.; To, C.; Varga, T. N.; Wechsler, R. H.; Weller, J.; Wilkinson, R. D.

doi:10.3847/1538-4365/abeb66

Title: Dark Energy Survey Year 3 Results: Photometric Data Set for Cosmology

Journal Article · Mon May 17 00:00:00 EDT 2021 · The Astrophysical Journal. Supplement Series

DOI:https://doi.org/10.3847/1538-4365/abeb66· OSTI ID:1763400

;

; Rykoff, E. S.;

;

; Alarcon, A.; Allam, S.; Amon, A.; Benoit-Lévy, A.;

;

; Burke, D. L.;

; Choi, A.;

In this work, we describe the Dark Energy Survey (DES) photometric data set assembled from the first three years of science operations to support DES Year 3 cosmologic analyses, and provide usage notes aimed at the broad astrophysics community. Y3 GOLD improves on previous releases from DES, Y1 GOLD, and Data Release 1 (DES DR1), presenting an expanded and curated data set that incorporates algorithmic developments in image detrending and processing, photometric calibration, and object classification. Y3 GOLD comprises nearly 5000 deg² of grizY imaging in the south Galactic cap, including nearly 390 million objects, with depth reaching a signal-to-noise ratio ~10 for extended objects up to iAB ~ 23.0, and top-of-the-atmosphere photometric uniformity <3 mmag. Compared to DR1, photometric residuals with respect to Gaia are reduced by 50%, and per-object chromatic corrections are introduced. Y3 GOLD augments DES DR1 with simultaneous fits to multi-epoch photometry for more robust galactic color measurements and corresponding photometric redshift estimates. Y3 GOLD features improved morphological star–galaxy classification with efficiency >98% and purity >99% for galaxies with 19 < i_AB < 22.5. Additionally, it includes per-object quality information, and accompanying maps of the footprint coverage, masked regions, imaging depth, survey conditions, and astrophysical foregrounds that are used to select the cosmologic analysis samples.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Univ. of Michigan, Ann Arbor, MI (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); Spain Ministry of Science, Innovation and Universities (MICINN); Brazilian Instituto Nacional de Ciência e Tecnologia (INCT); European Research Council (ERC); Spanish Ministry of Science, Innovation and Universities (MICIU); Spanish Space Research Program

Contributing Organization:: DES Collaboration

Grant/Contract Number:: AC02-07CH11359; AC02-76SF00515; SC0017647; SC0020278; AST-1536171; AST-1138766; SEV-2016-0588; SEV-2016-0597; MDM-2015-0509; ESP2017-84272-C2-1-R; ESP2017-89838; PGC2018-094773; AYA2017-84061-P; PGC2018-102021; ERC 240672; ERC 291329; ERC 306478; 465376/2014-2; AC02-06CH11357; SC0019193

OSTI ID:: 1763400

Alternate ID(s):: OSTI ID: 1808055; OSTI ID: 1817467; OSTI ID: 1840571; OSTI ID: 1872528

Report Number(s):: FERMILAB-PUB-20-569-AE; DES-2019-0451; arXiv:2011.03407; oai:inspirehep.net:1828845; TRN: US2205971

Journal Information:: The Astrophysical Journal. Supplement Series, Vol. 254, Issue 2; ISSN 0067-0049

Publisher:: IOP PublishingCopyright Statement

Country of Publication:: United States

Language:: English

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