cosmos. esa. int/gaia. The Gaia archive website is https://archives. esac. esa. int/gaia. The Gaia mission and data processing have financially been supported by, in alphabetical order by country: the  Algerian Centre de Recherche en Astronomie, Astrophysique et Géophysique of Bouzareah Observatory ; the  Austrian Fonds zur Förderung der wissenschaftlichen Forschung (FWF) Hertha Firnberg Programme  through grants  T359 ,  P20046 , and  P23737 ; the  BELgian federal Science Policy Office (BELSPO)  through various  PROgramme de Développement d'Expériences scientifiques (PRODEX)  grants and the  Polish Academy of Sciences -Fonds Wetenschappelijk Onderzoek  through grant  VS. 091. 16N , and the  Fonds de la Recherche Scientifique (FNRS) ; the  Brazil-France exchange programmes Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)  and  Coordenação de Aperfeicoamento de Pessoal de Nível Superior (CAPES)  - Comité Français d'Evaluation de la Coopération Universitaire et Scientifique avec le Brésil (COFECUB) ; the  National Science Foundation of China (NSFC)  through grants  11573054  and  11703065  and the  China Scholarship Council  through grant  201806040200 ; the  Tenure Track Pilot Programme  of the  Croatian Science Foundation  and the  École Polytechnique Fédérale de Lausanne  and the project  TTP-2018-07-1171  ' Mining the Variable Sky ', with the funds of the  Croatian-Swiss Research Programme ; the  Czech-Republic Ministry of Education, Youth , and Sports through grant  LG 15010  and  INTER-EXCELLENCE  grant  LTAUSA18093 , and the  Czech Space Office  through  ESA  PECS contract 98058; the  Danish Ministry of Science ; the  Estonian Ministry of Education and Research  through grant  IUT40-1 ; the  European Commission 's  Sixth Framework Programme  through the  European Leadership in Space Astrometry (ELSA) Marie Curie Research Training Network ( MRTN-CT-2006-033481 ), through  Marie Curie  project  PIOF-GA-2009-255267  (Space AsteroSeismology & RR Lyrae stars, SAS-RRL), and through a  Marie Curie Transfer-of-Knowledge (ToK) fellowship  ( MTKD-CT-2004-014188 ); the  European Commission's Seventh Framework Programme  through grant  FP7-606740  ( FP7-SPACE-2013-1 ) for the  Gaia European Network for Improved data User Services (GE-NIUS)  and through grant  264895  for the  Gaia Research for European Astronomy Training (GREAT-ITN) network ; the  European Research Council (ERC)  through grants  320360  and  647208  and through the  European Union 's  Horizon 2020 research and innovation and excellent science programmes  through  Marie Skłodowska-Curie  grant  745617  as well as grants  670519  (Mixing and  Angular Momentum  tranSport of massIvE stars -MAMSIE), 687378 (Small Bodies:  Near and Far) ,  682115  ( Using the Magellanic Clouds to Understand the Interaction of Galaxies ), and  695099  (A sub-percent distance scale from binaries and  Cepheids -CepBin ); the  European Science Foundation (ESF) , in the framework of the  Gaia Research for European Astronomy Training Research Network Programme (GREAT-ESF ); the  European Space Agency (ESA)  in the framework of the  Gaia  project, through the  Plan for European Cooperating States (PECS)  programme through grants for Slovenia, through contracts  C98090  and  4000106398/12/NL/KML  for Hungary, and through contract  4000115263/15/NL/IB  for Germany; the  Academy of Finland  and the  Magnus Ehrnrooth Foundation ; the  French Centre National d'Etudes Spatiales (CNES) , the  Agence Nationale de la Recherche (ANR)  through grant  ANR-10-IDEX-0001-02  for the ' Investissements d'avenir' programme , through grant  ANR-15-CE31-0007  for project ' Modelling the Milky Way in the Gaia era ' (MOD4Gaia), through grant  ANR-14-CE33-0014-01  for project 'The  Milky Way disc formation in the Gaia era ' (ARCHEOGAL), and through grant  ANR-15-CE31-0012-01  for project ' Unlocking the potential of Cepheids as primary distance calibrators' (UnlockCepheids ), the  Centre National de la Recherche Scientifique (CNRS)  and its  SNO Gaia of the Institut des Sciences de l'Univers (INSU) , the ' Action Fédératrice Gaia' of the Observatoire de Paris , the  Région de Franche-Comté , and the  Programme National de Gravitation, Références , Astronomie, et Métrologie (GRAM) of  CNRS/INSU  with the  Institut National Polytechnique (INP)  and the  Institut National de Physique nucléaire et de Physique des Particules  ( IN2P3 ) co-funded by  CNES ; the  German Aerospace Agency (Deutsches Zentrum für Luft-und Raumfahrt e.