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The Early Data Release of the Dark Energy Spectroscopic Instrument

Lookup NU author(s): Dr Vicky FawcettORCiD

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

© 2024. The Author(s). Published by the American Astronomical Society. The Dark Energy Spectroscopic Instrument (DESI) completed its 5 month Survey Validation in 2021 May. Spectra of stellar and extragalactic targets from Survey Validation constitute the first major data sample from the DESI survey. This paper describes the public release of those spectra, the catalogs of derived properties, and the intermediate data products. In total, the public release includes good-quality spectral information from 466,447 objects targeted as part of the Milky Way Survey, 428,758 as part of the Bright Galaxy Survey, 227,318 as part of the Luminous Red Galaxy sample, 437,664 as part of the Emission Line Galaxy sample, and 76,079 as part of the Quasar sample. In addition, the release includes spectral information from 137,148 objects that expand the scope beyond the primary samples as part of a series of secondary programs. Here, we describe the spectral data, data quality, data products, Large-Scale Structure science catalogs, access to the data, and references that provide relevant background to using these spectra.


Publication metadata

Author(s): Adame AG, Aguilar J, Ahlen S, Alam S, Aldering G, Alexander DM, Alfarsy R, Allende Prieto C, Alvarez M, Alves O, Anand A, Andrade-Oliveira F, Armengaud E, Asorey J, Avila S, Aviles A, Bailey S, Balaguera-Antolinez A, Ballester O, Baltay C, Bault A, Bautista J, Behera J, Beltran SF, BenZvi S, Beraldo e Silva L, Bermejo-Climent JR, Berti A, Besuner R, Beutler F, Bianchi D, Blake C, Blum R, Bolton AS, Brieden S, Brodzeller A, Brooks D, Brown Z, Buckley-Geer E, Burtin E, Cabayol-Garcia L, Cai Z, Canning R, Cardiel-Sas L, Carnero Rosell A, Castander FJ, Cervantes-Cota JL, Chabanier S, Chaussidon E, Chaves-Montero J, Chen S, Chen X, Chuang C, Claybaugh T, Cole S, Cooper AP, Cuceu A, Davis TM, Dawson K, de Belsunce R, de la Cruz R, de la Macorra A, Della Costa J, de Mattia A, Demina R, Demirbozan U, DeRose J, Dey A, Dey B, Dhungana G, Ding J, Ding Z, Doel P, Doshi R, Douglass K, Edge A, Eftekharzadeh S, Eisenstein DJ, Elliott A, Ereza J, Escoffier S, Fagrelius P, Fan X, Fanning K, Fawcett VA, Ferraro S, Flaugher B, Font-Ribera A, Forero-Romero JE, Forero-Sanchez D, Frenk CS, Gansicke BT, Garcia LA, Garcia-Bellido J, Garcia-Quintero C, Garrison LH, Gil-Marin H, Golden-Marx J, Gontcho Gontcho SA, Gonzalez-Morales AX, Gonzalez-Perez V, Gordon C, Graur O, Green D, Gruen D, Guy J, Hadzhiyska B, Hahn C, Han JJ, Hanif MMS, Herrera-Alcantar HK, Honscheid K, Hou J, Howlett C, Huterer D, Irsic V, Ishak M, Jacques A, Jana A, Jiang L, Jimenez J, Jing YP, Joudaki S, Joyce R, Jullo E, Juneau S, Karacayli NG, Karim T, Kehoe R, Kent S, Khederlarian A, Kim S, Kirkby D, Kisner T, Kitaura F, Kizhuprakkat N, Kneib J, Koposov SE, Kovacs A, Kremin A, Krolewski A, L'Huillier B, Lahav O, Lambert A, Lamman C, Lan T-W, Landriau M, Lang D, Lange JU, Lasker J, Leauthaud A, Le Guillou L, Levi ME, Li TS, Linder E, Lyons A, Magneville C, Manera M, Manser CJ, Margala D, Martini P, McDonald P, Medina GE, Medina-Varela L, Meisner A, Mena-Fernandez J, Meneses-Rizo J, Mezcua M, Miquel R, Montero-Camacho P, Moon J, Moore S, Moustakas J, Mueller E, Mundet J, Munoz-Gutierrez A, Myers AD, Nadathur S, Napolitano L, Neveux R, Newman JA, Nie J, Nikutta R, Niz G, Norberg P, Noriega HE, Paillas E, Palanque-Delabrouille N, Palmese A, Pan Z, Parkinson D, Penmetsa S, Percival WJ, Perez-Fernandez A, Perez-Rafols I, Pieri M, Poppett C, Porredon A, Pothier S, Prada F, Pucha R, Raichoor A, Ramirez-Perez C, Ramirez-Solano S, Rashkovetskyi M, Ravoux C, Rocher A, Rockosi C, Ross AJ, Rossi G, Ruggeri R, Ruhlmann-Kleider V, Sabiu CG, Said K, Saintonge A, Samushia L, Sanchez E, Saulder C, Schaan E, Schlafly EF, Schlegel D, Scholte D, Schubnell M, Seo H, Shafieloo A, Sharples R, Sheu W, Silber J, Sinigaglia F, Siudek M, Slepian Z, Smith A, Soumagnac MT, Sprayberry D, Stephey L, Suarez-Perez J, Sun Z, Tan T, Tarle G, Tojeiro R, Urena-Lopez LA, Vaisakh R, Valcin D, Valdes F, Valluri M, Vargas-Magana M, Variu A, Verde L, Walther M, Wang B, Wang MS, Weaver BA, Weaverdyck N, Wechsler RH, White M, Xie Y, Yang J, Yeche C, Yu J, Yuan S, Zhang H, Zhang Z, Zhao C, Zheng Z, Zhou R, Zhou Z, Zou H, Zou S, Zu Y

Publication type: Article

Publication status: Published

Journal: Astronomical Journal

Year: 2024

Volume: 168

Issue: 2

Print publication date: 01/08/2024

Online publication date: 05/07/2024

Acceptance date: 07/03/2024

Date deposited: 06/08/2024

ISSN (print): 0004-6256

ISSN (electronic): 1538-3881

Publisher: American Astronomical Society

URL: https://doi.org/10.3847/1538-3881/ad3217

DOI: 10.3847/1538-3881/ad3217


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Funding

Funder referenceFunder name
DESI Member Institutions
French Alternative Energies and Atomic Energy Commission (CEA)
Gordon and Betty Moore Foundation
Heising-Simons Foundation
National Council of Science and Technology of Mexico (CONACYT)
National Energy Research Scientific Computing Center
Ministry of Science and Innovation of Spain (MICINN)
Science and Technology Facilities Council of the United Kingdom
U.S. National Science Foundation (NSF), Division of Astronomical Sciences, contract No. AST-0950945
U.S. Department of Energy (DOE), Office of Science, Office of High-Energy Physics, contract No. DE-AC02-05CH11231

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