DESI Data Release 1: Stellar Catalogue

Koposov, S. E.; Li, Ting S.; Prieto, Carlos Allende; Medina, G. E.; Sandford, Nathan R.; Aguado, David S.; Silva, Leandro Beraldo e; Byström, Amanda; Cooper, Andrew P.; Dey, Arjun; Frenk, Carlos S.; Kizhuprakkat, Namitha; Li, Shuo; Najita, Joan; Riley, A. H.; Silva, David R.; Thomas, Guillaume F.; Valluri, M.; Aguilar, J.; Ahlen, S. P.; Bianchi, D.; Brooks, D.; Claybaugh, T.; Cole, S.; Cuceu, Andrei; Macorra, Axel de la; Costa, J. Della; Dey, Biprateep; Doel, P.; Font-Ribera, Andreu; Edelstein, J.; Forero-Romero, J. E.; Gaztañaga, E.; Gontcho, Satya Gontcho A; Gutiérrez, G.; Guy, J.; Honscheid, K.; Jimenez, J.; Kehoe, R.; Kirkby, D.; Kisner, Theodore; Kremin, A.; Lahav, O.; Landriau, M.; Guillou, L. Le; Leauthaud, Alexie; Levi, M. E.; Manera, Marc; Meisner, Aaron; Miquel, R.; Moustakas, John; Nadathur, S.; Palanque‐Delabrouille, N.; Percival, Will J.; Prada, Francisco; Pérez-Ràfols, Ignasi; Rossi, G.; Sánchez, E.; Schlafly, Edward F.; Schlegel, D.; Seo, H.; Sharples, R. W.; Silber, Jeffrey H.; Sprayberry, D.; Tarlé, G.; Weaver, B. A.; Zhou, Rongpu; Zou, H.

doi:10.33232/001c.155260

articleThe Open Journal of AstrophysicsJan 12, 2026DIAMOND OA

DESI Data Release 1: Stellar Catalogue

SES. E. Koposov TSTing S. Li CACarlos Allende Prieto GEG. E. Medina NRNathan R. Sandford

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Abstract

In this paper we present the stellar Value-Added Catalogue (VAC) based on the DESI Data Release 1. This VAC contains stellar parameter, abundance and radial velocity measurements for more than 4 million stars. It also contains, for the first time, measurements from individual epochs for more than a million stars with at least two observations. The main contribution to the catalogue comes from the bright program of the main survey, which includes ∼ 2.5 million stars, and the backup program, which includes ∼ 1 million stars. The combined magnitude range for the stars in the catalogue extends from Gaia G ∼ 12 to G ∼ 21 . For the magnitude range 17.5 < G < 21 this catalogue represents a…

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Topics & keywords

Topics

Keywords

Stars
Radial velocity
Magnitude (astronomy)
Range (aeronautics)
Apparent magnitude
Main sequence
Abundance (ecology)
Stellar evolution

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