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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The VANDELS ESO public spectroscopic survey: Observations and first data release
Astronomy and Astrophysics, Volume 616, Article A174, Year 2018
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Description
This paper describes the observations and the first data release (DR1) of the ESO public spectroscopic survey "VANDELS, a deep VIMOS survey of the CANDELS CDFS and UDS fields". The main targets of VANDELS are star-forming galaxies at redshift 2.4 < z < 5.5, an epoch when the Universe had not yet reached 20% of its current age, and massive passive galaxies in the range 1 < z < 2.5. By adopting a strategy of ultra-long exposure times, ranging from a minimum of 20 h to a maximum of 80 h per source, VANDELS is specifically designed to be the deepest-ever spectroscopic survey of the high-redshift Universe. Exploiting the red sensitivity of the refurbished VIMOS spectrograph, the survey is obtaining ultra-deep optical spectroscopy covering the wavelength range 4800-10 000 Å with a sufficiently high signal-to-noise ratio to investigate the astrophysics of high-redshift galaxy evolution via detailed absorption line studies of well-defined samples of high-redshift galaxies. VANDELS-DR1 is the release of all medium-resolution spectroscopic data obtained during the first season of observations, on a 0.2 square degree area centered around the CANDELS-CDFS (Chandra deep-field south) and CANDELS-UDS (ultra-deep survey) areas. It includes data for all galaxies for which the total (or half of the total) scheduled integration time was completed. The DR1 contains 879 individual objects, approximately half in each of the two fields, that have a measured redshift, with the highest reliable redshifts reaching zspec ∼ 6. In DR1 we include fully wavelength-calibrated and flux-calibrated 1D spectra, the associated error spectrum and sky spectrum, and the associated wavelength-calibrated 2D spectra. We also provide a catalog with the essential galaxy parameters, including spectroscopic redshifts and redshift quality flags measured by the collaboration. We present the survey layout and observations, the data reduction and redshift measurement procedure, and the general properties of the VANDELS-DR1 sample. In particular, we discuss the spectroscopic redshift distribution and the accuracy of the photometricredshifts for each individual target category, and we provide some examples of data products for the various target typesand the different quality flags. All VANDELS-DR1 data are publicly available and can be retrieved from the ESO archive. Two further data releases are foreseen in the next two years, and a final data release is currently scheduled for June 2020, which will include an improved rereduction of the entire spectroscopic data set. © ESO 2018.
Authors & Co-Authors
Pentericci, Laura
Italy, Monte Porzio Catone
Osservatorio Astronomico Di Roma
Mclure, Ross J.
United Kingdom, Edinburgh
The University of Edinburgh
Garilli, B. M.
Italy, Milan
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Milan
Cucciati, Olga
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Franzetti, Paolo
Italy, Milan
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Milan
Iovino, Angela
Italy, Merate
Osservatorio Astronomico Di Brera
Amorín, Ricardo O.
United Kingdom, Cambridge
University of Cambridge
Bolzonella, Micol
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Bongiorno, Angela
Italy, Monte Porzio Catone
Osservatorio Astronomico Di Roma
Carnall, Adam C.
United Kingdom, Edinburgh
The University of Edinburgh
Castellano, Marco
Italy, Monte Porzio Catone
Osservatorio Astronomico Di Roma
Cimatti, Andrea
Italy, Bologna
Alma Mater Studiorum Università Di Bologna
Italy, Florence
Osservatorio Astrofisico Di Arcetri
Cirasuolo, Michele
Germany, Garching Bei Munchen
European Southern Observatory
Cullen, Fergus
United Kingdom, Edinburgh
The University of Edinburgh
James S. Dunlop, James S.
United Kingdom, Edinburgh
The University of Edinburgh
Elbaz, David
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Finkelstein, Steven L.
United States, Austin
The University of Texas at Austin
Fontana, Adriano
Italy, Monte Porzio Catone
Osservatorio Astronomico Di Roma
Fontanot, Fabio
Italy, Trieste
Osservatorio Astronomico Di Trieste
Fumana, Marco
Italy, Milan
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Milan
Gargiulo, Adriana
Italy, Milan
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Milan
Guaita, Lucia
Italy, Monte Porzio Catone
Osservatorio Astronomico Di Roma
Chile, Santiago
Universidad Diego Portales
Hartley, William G.
United Kingdom, London
University College London
Jarvis, Matthew J.
United Kingdom, Oxford
University of Oxford
Juneau, Stéphanie
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
MacCagni, Dario
Italy, Milan
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Milan
Marchi, Francesca D.E.
Italy, Monte Porzio Catone
Osservatorio Astronomico Di Roma
Nandra, Kirpaul P.
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Pompei, Emanuela
Chile, Santiago
European Southern Observatory Santiago
Pozzetti, Lucia
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Scodeggio, Marco
Italy, Milan
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Milan
Talia, Margherita
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Italy, Bologna
Alma Mater Studiorum Università Di Bologna
Almaini, Omar
United Kingdom, Nottingham
University of Nottingham
Balestra, Italo
Germany, Munich
Ludwig-maximilians-universität München
Bardelli, Sandro
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Bell, Eric F.
United States, Ann Arbor
University of Michigan, Ann Arbor
Bourne, Nathan
United Kingdom, Edinburgh
The University of Edinburgh
Bowler, Rebecca A.A.
United Kingdom, Oxford
University of Oxford
Brusa, Marcella
Italy, Bologna
Alma Mater Studiorum Università Di Bologna
Buitrago, Fernando
Portugal, Porto
Instituto de Astrofísica e Ciências do Espaço
Portugal, Lisbon
Universidade de Lisboa
Caputi, Karina I.
Netherlands, Groningen
Rijksuniversiteit Groningen
Cassata, Paolo
Chile, Valparaiso
Universidad de Valparaiso
Charlot, St́ephane
France, Paris
Sorbonne Université
Cresci, Giovanni
Italy, Florence
Osservatorio Astrofisico Di Arcetri
Curtis-Lake, Emma F.
France, Paris
Sorbonne Université
Dickinson, Mark E.
United States, Tucson
National Optical Astronomy Observatory
Fazio, Giovanni G.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Ferguson, Henry C.
United States, Baltimore
Space Telescope Science Institute
Fiore, Fabrizio
Italy, Monte Porzio Catone
Osservatorio Astronomico Di Roma
Franco, Maximilien
France, Gif-sur-yvette
Astrophysique, Instrumentation et Modélisation de Paris-saclay
Fynbo, Johan Peter Uldall
Denmark, Copenhagen
Københavns Universitet
Galametz, Audrey
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Georgakakis, Antonis E.
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Giavalisco, Mauro
United States, Amherst
University of Massachusetts Amherst
Grazian, Andrea
Italy, Monte Porzio Catone
Osservatorio Astronomico Di Roma
Hathi, Nimish P.
United States, Baltimore
Space Telescope Science Institute
Jung, Intae
United States, Austin
The University of Texas at Austin
Kim, Sam
Chile, Santiago
Pontificia Universidad Católica de Chile
Koekemoer, Anton M.
United States, Baltimore
Space Telescope Science Institute
Le Fèvre, Olivier
France, Marseille
Aix Marseille Université
Lotz, Jennifer M.
United States, Baltimore
Space Telescope Science Institute
Mannucci, Filippo
Italy, Florence
Osservatorio Astrofisico Di Arcetri
McLeod, Derek J.
United Kingdom, Edinburgh
The University of Edinburgh
Mendez-Abreu, Jairo
Spain, San Cristobal de la Laguna
Instituto Astrofisico de Canarias
Spain, San Cristobal de la Laguna
Universidad de la Laguna
Mignoli, Marco
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Moresco, Michele
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Italy, Bologna
Alma Mater Studiorum Università Di Bologna
Mortlock, Alice
United Kingdom, Edinburgh
The University of Edinburgh
Nonino, Mario
Italy, Trieste
Osservatorio Astronomico Di Trieste
Pannella, M.
Germany, Munich
Ludwig-maximilians-universität München
Papovich, Casey J.
United States, College Station
Texas A&m University
Popesso, Paola
Germany, Garching Bei Munchen
Exzellenzcluster Origins
Rosario, David J.V.
United Kingdom, Durham
Durham University
Salvato, Mara
Germany, Garching Bei Munchen
Max Planck Institute for Extraterrestrial Physics
Germany, Garching Bei Munchen
Exzellenzcluster Origins
Santini, Paola
Italy, Monte Porzio Catone
Osservatorio Astronomico Di Roma
Schaerer, Daniel
Switzerland, Geneva
Université de Genève
Schreiber, Corentin
Netherlands, Leiden
Universiteit Leiden
Stark, Daniel P.
United States, Tucson
The University of Arizona
Tasca, Lidia A.M.
France, Marseille
Aix Marseille Université
Treu, Tommaso L.
Unknown Affiliation
Wild, Vivienne
United Kingdom, St Andrews
University of st Andrews
Williams, Christina C.
United States, Tucson
The University of Arizona
Zamorani, Giovanni
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Zucca, Elena
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Statistics
Citations: 86
Authors: 83
Affiliations: 41
Identifiers
Doi:
10.1051/0004-6361/201833047
ISSN:
00046361
Study Design
Cross Sectional Study
Study Approach
Quantitative