Catalogue validation

被引:130
作者
Babusiaux, C. [1 ,2 ]
Fabricius, C. [3 ]
Khanna, S. [4 ]
Muraveva, T. [5 ]
Reyle, C. [6 ]
Spoto, F. [8 ]
Vallenari, A. [9 ]
Luri, X. [3 ]
Arenou, F. [2 ]
Alvarez, M. A. [10 ]
Anders, F. [3 ]
Antoja, T. [3 ]
Balbinot, E. [4 ]
Barache, C. [11 ]
Bauchet, N. [2 ]
Bossini, D. [12 ]
Busonero, D. [13 ]
Cantat-Gaudin, T. [3 ,19 ]
Carrasco, J. M. [3 ]
Dafonte, C. [10 ]
Diakite, S. [7 ]
Figueras, F. [3 ]
Garcia-Gutierrez, A. [3 ]
Garofalo, A. [5 ]
Helmi, A. [4 ]
Jimenez-Arranz, O. [3 ]
Jordi, C. [3 ]
Kervella, P. [14 ]
Kostrzewa-Rutkowska, Z. [15 ,16 ]
Leclerc, N. [2 ]
Licata, E. [2 ]
Manteiga, M. [17 ]
Masip, A. [3 ]
Monguio, M. [3 ]
Ramos, P. [3 ,18 ]
Robichon, N. [2 ]
Robin, A. C. [6 ]
Romero-Gomez, M. [3 ]
Saez, A. [3 ]
Santovena, R. [10 ]
Spina, L. [9 ]
Elipe, G. Torralba [10 ]
Weiler, M. [3 ]
机构
[1] Univ Grenoble Alpes, CNRS, IPAG, F-38000 Grenoble, France
[2] Univ PSL, CNRS, GEPI, Observ Paris, 5 Pl Jules Janssen, F-92190 Meudon, France
[3] Univ Barcelona IEEC UB, Inst Ciencies Cosmos, Dept FQA, Marti i Franques 1, Barcelona 08028, Spain
[4] Univ Groningen, Kapteyn Astron Inst, Landleven 12, NL-9747 AD Groningen, Netherlands
[5] INAF Osservatorio Astrofis & Sci Spazio Bologna, Via Piero Gobetti 93-3, I-40129 Bologna, Italy
[6] Univ Bourgogne FrancheComte, CNRS, Inst UTINAM, UMR 6213,OSU THETA, 41 Bis Ave Observ, F-25000 Besancon, France
[7] Univ Franche Comte, Mesoctr Franche Comte, 16 Route Gray, F-25030 Besancon, France
[8] Harvard Smithsonian Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA
[9] INAF Osservatorio Astron Padova, Vicolo Osservatorio, I-35131 Padua, Italy
[10] Univ A Coruna, Dept Comp Sci & Informat Technol, CITIC, Campus Elvina S-N, La Coruna 15071, Spain
[11] Sorbonne Univ, Univ PSL, SYRTE, CNRS,Observ Paris,LNE, 61 Ave Observ, F-75014 Paris, France
[12] Univ Porto, Inst Astrofis & Cioncias Espaco, CAUP, Rua Estrelas, P-4150762 Porto, Portugal
[13] INAF Osservatorio Astrofis Torino, Via Osservatorio 20, I-10025 Pino Torinese, Torino, Italy
[14] Sorbonne Univ, Univ PSL, Univ Paris Cite, CNRS,LESIA,Observ Paris, 5 Pl Jules Janssen, F-92195 Meudon, France
[15] Leiden Univ, Leiden Observ, Niels Bohrweg 2, NL-2333 CA Leiden, Netherlands
[16] SRON Netherlands Inst Space Res, Niels Bohrweg 4, NL-2333 CA Leiden, Netherlands
[17] Univ A Coruna, Dept Naut Sci & Marine Engn, CITIC, Campus Elvina S-N, La Coruna 15071, Spain
[18] Univ Strasbourg, CNRS, Observ Astron Strasbourg, 11 Rue Univ, F-67000 Strasbourg, France
[19] Max Planck Inst Astron, Konigstuhl 17, D-69117 Heidelberg, Germany
基金
欧洲研究理事会;
关键词
surveys; catalogs; methods: data analysis; methods: statistical; DATA RELEASE 3; LINED SPECTROSCOPIC BINARIES; ACCURATE SB2 ORBITS; GALAH PLUS SURVEY; AUTOMATIC DIFFERENTIATION; INTERSTELLAR DUST; RADIAL-VELOCITIES; MONTE-CARLO; GAIA; STELLAR;
D O I
10.1051/0004-6361/202243790
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Context. The third Gaia data release (DR3) provides a wealth of new data products. The early part of the release, Gaia EDR3, already provided the astrometric and photometric data for nearly two billion sources. The full release now adds improved parameters compared to Gaia DR2 for radial velocities, astrophysical parameters, variability information, light curves, and orbits for Solar System objects. The improvements are in terms of the number of sources, the variety of parameter information, precision, and accuracy. For the first time, Gaia DR3 also provides a sample of spectrophotometry and spectra obtained with the Radial Velocity Spectrometer, binary star solutions, and a characterisation of extragalactic object candidates. Aims. Before the publication of the catalogue, these data have undergone a dedicated transversal validation process. The aim of this paper is to highlight limitations of the data that were found during this process and to provide recommendations for the usage of the catalogue. Methods. The validation was obtained through a statistical analysis of the data, a confirmation of the internal consistency of di fferent products, and a comparison of the values to external data or models. Results. Gaia DR3 is a new major step forward in terms of the number, diversity, precision, and accuracy of the Gaia products. As always in such a large and complex catalogue, however, issues and limitations have also been found. Detailed examples of the scientific quality of the Gaia DR3 release can be found in the accompanying data-processing papers as well as in the performance verification papers. Here we focus only on the caveats that the user should be aware of to scientifically exploit the data.
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页数:25
相关论文
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