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

DOI: 
10.3847/2515-5172/abc0f4
Publication date: 
03/10/2020
Main author: 
Zhou, Rongpu
IAA authors: 
Prada, Francisco
Authors: 
Zhou, Rongpu;Newman, Jeffrey A.;Dawson, Kyle S.;Eisenstein, Daniel J.;Brooks, David D.;Dey, Arjun;Dey, Biprateep;Duan, Yutong;Eftekharzadeh, Sarah;Gaztañaga, Enrique;Kehoe, Robert;Landriau, Martin;Levi, Michael E.;Licquia, Timothy C.;Meisner, Aaron M.;Moustakas, John;Myers, Adam D.;Palanque-Delabrouille, Nathalie;Poppett, Claire;Prada, Francisco;Raichoor, Anand;Schlegel, David J.;Schubnell, Michael;Staten, Ryan;Tarlé, Gregory;Yèche, Christophe
Journal: 
Research Notes of the American Astronomical Society
Refereed: 
No
Publication type: 
Note
Volume: 
4
Pages: 
181
Abstract: 
The DESI survey will observe more than 8 million candidate luminous red galaxies (LRGs) in the redshift range 0.3 &lt; z &lt; 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<SUP>-2</SUP> and very low predicted stellar contamination and redshift failure rates. During DESI Survey Validation, updated versions of this selection will be tested and optimized.
Database: 
ADS
URL: 
https://ui.adsabs.harvard.edu/#abs/2020RNAAS...4..181Z/abstract
ADS Bibcode: 
2020RNAAS...4..181Z
Keywords: 
Large-scale structure of the universe;Observational cosmology;Redshift surveys;902;1146;1378;Astrophysics - Cosmology and Nongalactic Astrophysics