The Gaia mission

  1. Prusti, T. 45
  2. De Bruijne, J.H.J. 45
  3. Brown, A.G.A. 113
  4. Vallenari, A. 81
  5. Babusiaux, C. 65
  6. Bailer-Jones, C.A.L. 117
  7. Bastian, U. 12
  8. Biermann, M. 12
  9. Evans, D.W. 92
  10. Eyer, L. 30
  11. Jansen, F. 45
  12. Jordi, C. 89
  13. Klioner, S.A. 114
  14. Lammers, U. 56
  15. Lindegren, L. 116
  16. Luri, X. 89
  17. Mignard, F. 108
  18. Milligan, D.J. 57
  19. Panem, C. 22
  20. Poinsignon, V. 1
  21. Pourbaix, D. 86
  22. Randich, S. 76
  23. Sarri, G. 45
  24. Sartoretti, P. 65
  25. Siddiqui, H.I. 56
  26. Soubiran, C. 105
  27. Valette, V. 22
  28. Van Leeuwen, F. 92
  29. Walton, N.A. 92
  30. Aerts, C. 99
  31. Arenou, F. 65
  32. Cropper, M. 120
  33. Drimmel, R. 78
  34. Høg, E. 124
  35. Katz, D. 65
  36. Lattanzi, M.G. 78
  37. O'Mullane, W. 56
  38. Grebel, E.K. 12
  39. Holland, A.D. 20
  40. González-Marcos, Ana. 34
  41. A. Bello García
  42. Gallegos, J. 56
  43. Erakutsi egile guztiak +
  1. 1 Airbus Defence and Space SAS, 31 Rue des Cosmonautes, Toulouse Cedex 4, France
  2. 2 AKKA for CNES Centre Spatial de Toulouse, 18 avenue Edouard Belin, Toulouse Cedex 9, France
  3. 3 ALTEC S.p.a, Corso Marche, 79, Torino, Italy
  4. 4 APAVE SUDEUROPE SAS for CNES Centre Spatial de Toulouse, 18 avenue Edouard Belin, Toulouse Cedex 9, France
  5. 5 Applied Physics Department, University of Vigo, Vigo, Spain
  6. 6 Área de Lenguajes y Sistemas Informáticos, Universidad Pablo de Olavide, Ctra. de Utrera, km 1., Sevilla, Spain
  7. 7 Argelander Institut fur Astronomie der Universitat Bonn, Auf dem Hugel 71, Bonn, Germany
  8. 8 ASI Science Data Center, via del Politecnico SNC, Roma, Italy
  9. 9 Astronomical Institute, Academy of Sciences of the Czech Republic, Fričova 298, Ondřejov, Czech Republic
  10. 10 Astronomical Institute Anton Pannekoek, University of Amsterdam, PO Box 94249, Amsterdam, Netherlands
  11. 11 Astronomical Observatory Institute, Faculty of Physics, A. Mickiewicz University, ul. S.oneczna 36, Poznañ, Poland
  12. 12 Heidelberg University
    info

    Heidelberg University

    Heidelberg, Alemania

    ROR https://ror.org/038t36y30

  13. 13 Astrophysics Research Institute, Liverpool John Moores University, United Kingdom
  14. 14 ATOS for CNES Centre Spatial de Toulouse, 18 avenue Edouard Belin, Toulouse Cedex 9, France
  15. 15 Aurora Technology for ESA/ESAC, Camino bajo del Castillo, Urb. Villafranca del Castillo, Villanueva de la Cañada, Madrid, Spain
  16. 16 Baja Observatory of University of Szeged, Szegedi út III/70, Baja, Hungary
  17. 17 Barcelona Supercomputing Center - Centro Nacional de Supercomputación, c/ Jordi Girona 29, Ed. Nexus II, Barcelona, Spain
  18. 18 Center of Applied Space Technology and Microgravity (ZARM), Universitat Bremen, Am Fallturm 1, Bremen, Germany
  19. 19 CENTRA, Universidade de Lisboa, FCUL, Campo Grande, Lisboa, Portugal
  20. 20 Centre for Electronic Imaging, Department of Physical Sciences, Open University, Walton Hall, Milton Keynes, United Kingdom
  21. 21 CGI for ESA/ESOC, Robert-Bosch-Straße 5, Darmstadt, Germany
  22. 22 CNES Centre Spatial de Toulouse, 18 avenue Edouard Belin, Toulouse Cedex 9, France
  23. 23 Consorci de Serveis Universitaris de Catalunya, C/ Gran Capita, 2-4, Barcelona, Spain
  24. 24 CRAAG-Centre de Recherche en Astronomie, Astrophysique et Geophysique, Route de l'Observatoire BP 63, Bouzareah, Alger, Algeria
  25. 25 CSC Danmark A/S, Retortvej 8, Valby, Denmark
  26. 26 CS Systemes d'Information for CNES Centre Spatial de Toulouse, 18 avenue Edouard Belin, Toulouse Cedex 9, France
  27. 27 Deimos Space S.L.U. for ESA/ESOC, Robert-Bosch-Strase 5, Darmstadt, Germany
  28. 28 Departamento de Astrofisica, Centro de Astrobiologia (CSICINTA), ESA-ESAC, Camino Bajo del Castillo s/n., Villanueva de la Canada, Madrid, Spain
  29. 29 Department of Astronomy, University of Geneva, Chemin d'Ecogia 16, Versoix, Switzerland
  30. 30 Université de Genève
    info

    Université de Genève

    Ginebra, Suiza

    ROR https://ror.org/01swzsf04

  31. 31 Department of Astrophysics, Astronomy and Mechanics, National and Kapodistrian University of Athens, Panepistimiopolis, Zografos, Athens, Greece
  32. 32 Department of Astrophysics/IMAPP, Radboud University Nijmegen, PO Box 9010, Nijmegen, Netherlands
  33. 33 Department of Geosciences, Tel Aviv University, Tel Aviv, Israel
  34. 34 Universidad de La Rioja
    info

    Universidad de La Rioja

    Logroño, España

    ROR https://ror.org/0553yr311

  35. 35 Department of Physics, Florida International University, 11200 SW 8th Street, Miami, FL, United States
  36. 36 Department of Physics and Astronomy, Division of Astronomy and Space Physics, Uppsala University, Box 516, Uppsala, Sweden
  37. 37 Department of Physics and Astronomy, Johns Hopkins University, 3400 N Charles St, Baltimore, MD, United States
  38. 38 Department of Physics and Astronomy, Notre Dame University, Louaize, PO Box 72, Zouk Mikael, Lebanon
  39. 39 Department of Physics and Astronomy, University of Leicester, University Road, Leicester, United Kingdom
  40. 40 Department of Physics and Astronomy, University of Padova, via Marzolo 8, Padova, Italy
  41. 41 Department of Physics and Astronomy, University of the Western Cape, Robert Sobukwe Road, Bellville, Cape Town, South Africa
  42. 42 Department of Space Studies, Southwest Research Institute (SwRI), 1050 Walnut Street, Boulder, CO, United States
  43. 43 Deutsches Zentrum für Luft- und Raumfahrt, Institute of Space Systems, Am Fallturm 1, Bremen, Germany
  44. 44 Dipartimento di Fisica, Università di Roma Tor Vergata, via della Ricerca Scientifica 1, Rome, Italy
  45. 45 European Space Research and Technology Centre
    info

    European Space Research and Technology Centre

    Noordwijk-Binnen, Holanda

    ROR https://ror.org/03h3jqn23

  46. 46 Dpto. Arquitectura de Computadores y Automatica, Facultad de Informatica, Universidad Complutense de Madrid, C/ Prof. Jose Garcia Santesmases s/n, Madrid, Spain
  47. 47 Dpto. de Inteligencia Artificial, UNED, c/ Juan del Rosal 16, Madrid, Spain
  48. 48 École polytechnique fédérale de Lausanne, SB MATHAA STAP, MA B1 473 (Bâtiment MA), Station 8, Lausanne, Switzerland
  49. 49 EJR-Quartz BV for ESA/ESTEC, Keplerlaan 1, Noordwijk, Netherlands
  50. 50 Elecnor Deimos Space for ESA/ESAC, Camino bajo del Castillo, Urb. Villafranca del Castillo, Villanueva de la Cañada, Madrid, Spain
  51. 51 EQUERT International for CNES Centre Spatial de Toulouse, 18 avenue Edouard Belin, Toulouse Cedex 9, France
  52. 52 ETSE Telecomunicación, Universidade de Vigo, Campus Lagoas-Marcosende, Vigo, Galicia, Spain
  53. 53 EURIX S.r.l., via Carcano 26, Torino, Italy
  54. 54 European Southern Observatory (ESO), Alonso de Cordova 3107, Vitacura, Casilla, Santiago de Chile, Chile
  55. 55 European Southern Observatory (ESO), Karl-Schwarzschild-Strase 2, Garching bei Munchen, Germany
  56. 56 Centro Europeo de Astronomía Espacial
    info

    Centro Europeo de Astronomía Espacial

    Villanueva de la Cañada, España

  57. 57 European Space Operations Centre (ESA/ESOC), Robert Bosch Straße 5, Darmstadt, Germany
  58. 58 F.R.S.-FNRS, Rue d'Egmont 5, Brussels, Belgium
  59. 59 Faculdade Ciencias, Universidade do Porto, Departamento Matematica Aplicada, Rua do Campo Alegre, 687, Porto, Portugal
  60. 60 Faculty of Mathematics and Physics, University of Ljubljana, Jadranska ulica 19, Ljubljana, Slovenia
  61. 61 Finnish Geospatial Research Institute FGI, Geodeetinrinne 2, Masala, Finland
  62. 62 Fork Research, Rua do Cruzado Osberno, Lt. 1, 9 esq., Lisboa, Portugal
  63. 63 Fundación Galileo Galilei - INAF, Rambla José Ana Fernández Pérez 7, Breña Baja, Santa Cruz de Tenerife, Spain
  64. 64 Gaia DPAC Project Office, ESAC, Camino bajo del Castillo, Urb. Villafranca del Castillo, Villanueva de la Cañada, Madrid, Spain
  65. 65 Université Denis Diderot
    info

    Université Denis Diderot

    París, Francia

  66. 66 GMV for ESA/ESAC, Camino bajo del Castillo, Urb. Villafranca del Castillo, Villanueva de la Cañada, Madrid, Spain
  67. 67 GMV for ESA/ESOC, Robert-Bosch-Straße 5, Darmstadt, Germany
  68. 68 Hamburger Sternwarte, Gojenbergsweg 112, Hamburg, Germany
  69. 69 Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA, United States
  70. 70 HE Space Operations BV for ESA/ESAC, Camino bajo del Castillo, Urb. Villafranca del Castillo, Villanueva de la Cañada, Madrid, Spain
  71. 71 HE Space Operations BV for ESA/ESTEC, Keplerlaan 1, Noordwijk, Netherlands
  72. 72 H H Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol, United Kingdom
  73. 73 IMCCE, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Univ. Paris 06, Univ. Lille, 77 av. Denfert-Rochereau, Paris, France
  74. 74 INAF/IASF-Bologna, via P. Gobetti 101, Bologna, Italy
  75. 75 INAF-Istituto di Radioastronomia, via Gobetti 101, Bologna, Italy
  76. 76 Osservatorio Astrofisico di Arcetri
    info

    Osservatorio Astrofisico di Arcetri

    Florencia, Italia

    ROR https://ror.org/00fbze943

  77. 77 INAF-Osservatorio Astrofisico di Catania, via S. Sofia 78, Catania, Italy
  78. 78 Osservatorio Astrofisico di Torino
    info

    Osservatorio Astrofisico di Torino

    Pino Torinese, Italia

    ROR https://ror.org/00yrf4e35

  79. 79 INAF-Osservatorio Astronomico di Bologna, via Ranzani 1, Bologna, Italy
  80. 80 INAF-Osservatorio Astronomico di Capodimonte, via Moiariello 16, Napoli, Italy
  81. 81 Osservatorio Astronomico di Padova
    info

    Osservatorio Astronomico di Padova

    Padua, Italia

    ROR https://ror.org/04z3y3f62

  82. 82 INAF-Osservatorio Astronomico di Roma, via di Frascati 33, Monte Porzio Catone (Roma), Italy
  83. 83 INAF-Osservatorio Astronomico di Teramo, via Mentore Maggini, Teramo, Italy
  84. 84 INAF-Osservatorio Astronomico di Trieste, via G.B. Tiepolo 11, Trieste, Italy
  85. 85 INSA for ESA/ESAC, Camino bajo del Castillo, Urb. Villafranca del Castillo, Villanueva de la Cañada, Madrid, Spain
  86. 86 Université Libre de Bruxelles
    info

    Université Libre de Bruxelles

    Bruselas, Bélgica

    ROR https://ror.org/01r9htc13

  87. 87 Institut d'Astrophysique et de Géophysique, Université de Liège, 19c, Allée du 6 Août, Liège, Belgium
  88. 88 Institut d'Astrophysique Spatiale, Université Paris XI, UMR 8617, CNRS, Bâtiment 121, Orsay Cedex, France
  89. 89 Universitat de Barcelona
    info

    Universitat de Barcelona

    Barcelona, España

    ROR https://ror.org/021018s57

  90. 90 Institut de Physique de Rennes, Université de Rennes 1, Rennes, France
  91. 91 Institute for Astronomy, Royal Observatory, University of Edinburgh, Blackford Hill, Edinburgh, United Kingdom
  92. 92 University of Cambridge
    info

    University of Cambridge

    Cambridge, Reino Unido

    ROR https://ror.org/013meh722

  93. 93 Institute of Theoretical Physics and Astronomy, Vilnius University, Sauletekio al. 3, Vilnius, Lithuania, Lithuania
  94. 94 Instituto de Astrofisica de Canarias, La Laguna, Tenerife, Spain
  95. 95 Instituto de Astrofisica e Ciencias do Espa co, Universidade de Lisboa Faculdade de Ciencias, Campo Grande, Lisboa, Portugal
  96. 96 Instituto de Astronomia, Geofisica e Ciencias Atmosfericas, Universidade de Sao Paulo, Rua do Matao, 1226, Cidade Universitaria, Sao Paulo, SP, Brazil
  97. 97 Instituto Nacional de Pesquisas Espaciais, Ministerio da Ciencia Tecnologia, Avenida dos Astronautas 1758, Sao Jose Dos Campos, Brazil
  98. 98 Institut UTINAM UMR6213, CNRS, OSU THETA Franche-Comté Bourgogne, Université Bourgogne Franche-Comté, Besançon, France
  99. 99 Instituut voor Sterrenkunde, KU Leuven, Celestijnenlaan 200D, Leuven, Belgium
  100. 100 Isdefe for ESA/ESAC, Camino bajo del Castillo, Urb. Villafranca del Castillo, Villanueva de la Cañada, Madrid, Spain
  101. 101 Kapteyn Astronomical Institute, University of Groningen, Landleven 12, AD Groningen, Netherlands
  102. 102 Kavli Institute for Cosmology, University of Cambridge, Madingley Road, Cambridge, United Kingdom
  103. 103 Konkoly Observatory, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences, Konkoly Thege Miklós út 15-17, Budapest, Hungary
  104. 104 Laboratoire AIM, IRFU, Service d'Astrophysique, CEA/DSM, CNRS, Université Paris Diderot, CEA-Saclay, Gif-sur-Yvette Cedex, France
  105. 105 University of Bordeaux
    info

    University of Bordeaux

    Burdeos, Francia

    ROR https://ror.org/057qpr032

  106. 106 Laboratoire de l'Accélérateur Linéaire, Université Paris-Sud, CNRS, IN2P3, Université Paris-Saclay, Orsay Cedex, France
  107. 107 Laboratoire Geoazur, Universite Nice Sophia-Antipolis, UMR 7329, CNRS, Observatoire de la Cote d'Azur, 250 rue A. Einstein, Valbonne, France
  108. 108 Nice Sophia Antipolis University
    info

    Nice Sophia Antipolis University

    Niza, Francia

  109. 109 Laboratoire Univers et Particules de Montpellier, Université Montpellier, Place Eugène Bataillon, CC72, Montpellier Cedex 05, France
  110. 110 Laboratory of Optics, Lasers and Systems, Faculty of Sciences, University of Lisbon, Campus do Lumiar, Estrada do Paco do Lumiar, 22, Lisboa, Portugal
  111. 111 Las Cumbres Observatory, Global Telescope Network, Inc., 6740 Cortona Drive, Goleta, CA, United States
  112. 112 Leibniz Institute for Astrophysics Potsdam (AIP), An der Sternwarte 16, Potsdam, Germany
  113. 113 Leiden University
    info

    Leiden University

    Leiden, Holanda

    ROR https://ror.org/027bh9e22

  114. 114 Dresden University of Technology
    info

    Dresden University of Technology

    Dresde, Alemania

    ROR https://ror.org/042aqky30

  115. 115 LSE Space GmbH for ESA/ESOC, Robert-Bosch-Straße 5, Darmstadt, Germany
  116. 116 Lund University
    info

    Lund University

    Lund, Suecia

    ROR https://ror.org/012a77v79

  117. 117 Max Planck Institute for Astronomy
    info

    Max Planck Institute for Astronomy

    Heidelberg, Alemania

    ROR https://ror.org/01vhnrs90

  118. 118 Max Planck Institute for Extraterrestrial Physics, OPINAS, Giesenbachstrase, Garching, Germany
  119. 119 Max Planck Institute for Solar System Research, Justus-von-Liebig-Weg 3, Gottingen, Germany
  120. 120 University College London
    info

    University College London

    Londres, Reino Unido

    ROR https://ror.org/02jx3x895

  121. 121 NASA/IPAC Infrared Science Archive, California Institute of Technology, Mail Code 100-22, 770 South Wilson Avenue, Pasadena, CA, United States
  122. 122 National Astronomical Observatories, CAS, Beijing, China
  123. 123 National Observatory of Athens, I. Metaxa and Vas. Pavlou, Palaia Penteli, Athens, Greece
  124. 124 University of Copenhagen
    info

    University of Copenhagen

    Copenhague, Dinamarca

    ROR https://ror.org/035b05819

  125. 125 Observatoire Astronomique de Strasbourg, Université de Strasbourg, CNRS, UMR 7550, 11 rue de l'Université, Strasbourg, France
  126. 126 ON/MCTI-BR, Rua Gal. Jose Cristino 77, Rio de Janeiro, RJ, Brazil
  127. 127 OV/UFRJ-BR, Ladeira Pedro Antonio 43, Rio de Janeiro, RJ, Brazil
  128. 128 Physics Department, University of Antwerp, Groenenborgerlaan 171, Antwerp, Belgium
  129. 129 Praesepe BV for ESA/ESAC, Camino bajo del Castillo, Urb. Villafranca del Castillo, Villanueva de la Canada, Madrid, Spain
  130. 130 RHEA for ESA/ESAC, Camino bajo del Castillo, Urb. Villafranca del Castillo, Villanueva de la Canada, Madrid, Spain
  131. 131 RHEA for ESA/ESTEC, Keplerlaan 1, Noordwijk, Netherlands
  132. 132 RHEA System for ESA/ESOC, Robert Bosch Strase 5, Darmstadt, Germany
  133. 133 Royal Observatory of Belgium, Ringlaan 3, Brussels, Belgium
  134. 134 S and T Corporation, PO Box 608, Delft, Netherlands
  135. 135 School of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel
  136. 136 Serco Gestión de Negocios for ESA/ESAC, Camino bajo del Castillo, Urb. Villafranca del Castillo, Villanueva de la Cañada, Madrid, Spain
  137. 137 Serco Services GmbH for ESA/ESOC, Robert-Bosch-Straße 5, Darmstadt, Germany
  138. 138 Server Labs for ESA/ESAC, Camino bajo del Castillo, Urb. Villafranca del Castillo, Villanueva de la Canada, Madrid, Spain
  139. 139 Shanghai Astronomical Observatory, Chinese Academy of Sciences, 80 Nandan Rd, Shanghai, China
  140. 140 SISSA (Scuola Internazionale Superiore di Studi Avanzati), via Bonomea 265, Trieste, Italy
  141. 141 Slovak Organisation for Space Activities, Zamocka 18, Bratislava, Slovakia
  142. 142 Sorbonne Universités UPMC, CNRS, UMR7095, Institut d'Astrophysique de Paris, Paris, France
  143. 143 Spanish Virtual Observatory, Spain
  144. 144 SRON, Netherlands Institute for Space Research, Sorbonnelaan 2, Utrecht, Netherlands
  145. 145 Stellar Astrophysics Centre, Aarhus University, Department of Physics and Astronomy, 120 Ny Munkegade, Aarhus C, Denmark
  146. 146 STFC, Rutherford Appleton Laboratory, Harwell, Didcot, United Kingdom
  147. 147 Sydney Institute for Astronomy, School of Physics A28, University of SydneyNSW, Australia
  148. 148 SYRTE, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Univ. Paris 06, LNE, 61 avenue de l'Observatoire, Paris, France
  149. 149 Tartu Observatory, Toravere, Estonia
  150. 150 Technical University of Madrid, José Gutiérrez Abascal 2, Madrid, Spain
  151. 151 Telespazio Vega Deutschland GmbH for ESA/ESOC, Robert-Bosch-Strase 5, Darmstadt, Germany
  152. 152 Thales Services for CNES Centre Spatial de Toulouse, 18 avenue Edouard Belin, Toulouse Cedex 9, France
  153. 153 UNINOVA - CTS, Campus FCT-UNL, Monte da Caparica, Caparica, Portugal
  154. 154 Universidad de La Laguna, Departamento de Astrofisica, La Laguna, Tenerife, Spain
  155. 155 Universidade da Coruña, Facultade de Informática, Campus de Elviña S/N, A Coruña, Spain
  156. 156 Università di Catania, Dipartimento di Fisica e Astronomia, Sezione Astrofisica, via S. Sofia 78, Catania, Italy
  157. 157 Universiteit Antwerpen, Onderzoeksgroep Toegepaste Wiskunde, Middelheimlaan 1, Antwerpen, Belgium
  158. 158 University of Applied Sciences Munich, Karlstr. 6, Munich, Germany
  159. 159 University of Cadiz, Avd. De la universidad, Jerez de la Frontera, Cadiz, Spain
  160. 160 University of Helsinki, Department of Physics, PO Box 64, Helsinki, Finland
  161. 161 University of Nova Gorica, Vipavska 13, Nova Gorica, Slovenia
  162. 162 Universidad de Oviedo
    info

    Universidad de Oviedo

    Oviedo, España

    ROR https://ror.org/006gksa02

  163. 163 University of Turin, Department of Computer Sciences, Corso Svizzera 185, Torino, Italy
  164. 164 University of Vienna, Department of Astrophysics, Türkenschanzstraße 17, Vienna, Austria
  165. 165 US Naval Observatory, Astrometry Department, 3450 Massachusetts Ave. NW, Washington, DC, United States
  166. 166 Villanova University, Dept. of Astrophysics and Planetary Science, 800 E Lancaster Ave, Villanova, PA, United States
  167. 167 Vitrociset Belgium for ESA/ESAC, Camino bajo del Castillo, Urb. Villafranca del Castillo, Villanueva de la Cañada, Madrid, Spain
  168. 168 Vitrociset Belgium for ESA/ESTEC, Keplerlaan 1, Noordwijk, Netherlands
  169. 169 Warsaw University Observatory, Al. Ujazdowskie 4, Warszawa, Poland
Erakutsi afiliazioak +
Aldizkaria:
Astronomy and Astrophysics

ISSN: 0004-6361

Argitalpen urtea: 2016

Alea: 595

Mota: Artikulua

DOI: 10.1051/0004-6361/201629272 SCOPUS: 2-s2.0-84998879874 WoS: WOS:000388573500125 GOOGLE SCHOLAR lock_openSarbide irekia editor

Beste argitalpen batzuk: Astronomy and Astrophysics

Garapen Iraunkorreko Helburuak

Laburpena

Gaia is a cornerstone mission in the science programme of the European Space Agency (ESA). The spacecraft construction was approved in 2006, following a study in which the original interferometric concept was changed to a direct-imaging approach. Both the spacecraft and the payload were built by European industry. The involvement of the scientific community focusses on data processing for which the international Gaia Data Processing and Analysis Consortium (DPAC) was selected in 2007. Gaia was launched on 19 December 2013 and arrived at its operating point, the second Lagrange point of the Sun-Earth-Moon system, a few weeks later. The commissioning of the spacecraft and payload was completed on 19 July 2014. The nominal five-year mission started with four weeks of special, ecliptic-pole scanning and subsequently transferred into full-sky scanning mode. We recall the scientific goals of Gaia and give a description of the as-built spacecraft that is currently (mid-2016) being operated to achieve these goals. We pay special attention to the payload module, the performance of which is closely related to the scientific performance of the mission. We provide a summary of the commissioning activities and findings, followed by a description of the routine operational mode. We summarise scientific performance estimates on the basis of in-orbit operations. Several intermediate Gaia data releases are planned and the data can be retrieved from the Gaia Archive, which is available through the Gaia home page. © ESO, 2016.

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