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American Astronomical Society, Research Notes of the American Astronomical Society, 10(4), p. 181, 2020

DOI: 10.3847/2515-5172/abc0f4

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Preliminary Target Selection for the DESI Luminous Red Galaxy (LRG) Sample

Journal article published in 2020 by Rongpu Zhou ORCID, Jeffrey A. Newman ORCID, Kyle S. Dawson ORCID, Daniel J. Eisenstein ORCID, David D. Brooks ORCID, Arjun Dey ORCID, Biprateep Dey ORCID, Yutong Duan ORCID, Sarah Eftekharzadeh ORCID, Enrique Gaztañaga ORCID, Robert Kehoe ORCID, Martin Landriau ORCID, Michael E. Levi ORCID, Timothy C. Licquia ORCID, Aaron M. Meisner ORCID and other authors.
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Abstract The DESI survey will observe more than 8 million candidate luminous red galaxies (LRGs) in the redshift range 0.3 < z < 1.0. Here we present a preliminary version of the DESI LRG target section developed using Legacy Surveys Data Release 8 g, r, z and W1 photometry. This selection yields a sample with a uniform surface density of ∼600 deg−2 and very low predicted stellar contamination and redshift failure rates. During DESI Survey Validation, updated versions of this selection will be tested and optimized.