author        = "Gaia Collaboration and Spoto, F. and Tanga, P. and
                       Mignard, F. and Berthier, J. and Carry, B. and Cellino, A.
                       and Dell'Oro, A. and Hestroffer, D. and Muinonen, K. and
                       Pauwels, T. and Petit, J.-M. and David, P. and De Angeli,
                       F. and Delbo, M. and Frézouls, B. and Galluccio, L. and
                       Granvik, M. and Guiraud, J. and Hernández, J. and
                       Ordénovic, C. and Portell, J. and Poujoulet, E. and
                       Thuillot, W. and Walmsley, G. and Brown, A. G. A. and
                       Vallenari, A. and Prusti, T. and de Bruijne, J. H. J. and
                       Babusiaux, C. and Bailer-Jones, C. A. L. and Biermann, M.
                       and Evans, D. W. and Eyer, L. and Jansen, F. and Jordi, C.
                       and Klioner, S. A. and Lammers, U. and Lindegren, L. and
                       Luri, X. and Panem, C. and Pourbaix, D. and Randich, S. and
                       Sartoretti, P. and Siddiqui, H. I. and Soubiran, C. and van
                       Leeuwen, F. and Walton, N. A. and Arenou, F. and Bastian,
                       U. and Cropper, M. and Drimmel, R. and Katz, D. and
                       Lattanzi, M. G. and Bakker, J. and Cacciari, C. and
                       Castañeda, J. and Chaoul, L. and Cheek, N. and Fabricius,
                       C. and Guerra, R. and Holl, B. and Masana, E. and Messineo,
                       R. and Mowlavi, N. and Nienartowicz, K. and Panuzzo, P. and
                       Riello, M. and Seabroke, G. M. and Thévenin, F. and
                       Gracia-Abril, G. and Comoretto, G. and Garcia-Reinaldos, M.
                       and Teyssier, D. and Altmann, M. and Andrae, R. and Audard,
                       M. and Bellas-Velidis, I. and Benson, K. and Blomme, R. and
                       Burgess, P. and Busso, G. and Clementini, G. and Clotet, M.
                       and Creevey, O. and Davidson, M. and De Ridder, J. and
                       Delchambre, L. and Ducourant, C. and Fernández-Hernández,
                       J. and Fouesneau, M. and Frémat, Y. and García-Torres, M.
                       and González-Núñez, J. and González-Vidal, J. J. and
                       Gosset, E. and Guy, L. P. and Halbwachs, J.-L. and Hambly,
                       N. C. and Harrison, D. L. and Hodgkin, S. T. and Hutton, A.
                       and Jasniewicz, G. and Jean-Antoine-Piccolo, A. and Jordan,
                       S. and Korn, A. J. and Krone-Martins, A. and Lanzafame, A.
                       C. and Lebzelter, T. and Lö, W. and Manteiga, M. and
                       Marrese, P. M. and Martín-Fleitas, J. M. and Moitinho, A.
                       and Mora, A. and Osinde, J. and Pancino, E. and
                       Recio-Blanco, A. and Richards, P. J. and Rimoldini, L. and
                       Robin, A. C. and Sarro, L. M. and Siopis, C. and Smith, M.
                       and Sozzetti, A. and Süveges, M. and Torra, J. and van
                       Reeven, W. and Abbas, U. and Abreu Aramburu, A. and Accart,
                       S. and Aerts, C. and Altavilla, G. and Álvarez, M. A. and
                       Alvarez, R. and Alves, J. and Anderson, R. I. and Andrei,
                       A. H. and Anglada Varela, E. and Antiche, E. and Antoja, T.
                       and Arcay, B. and Astraatmadja, T. L. and Bach, N. and
                       Baker, S. G. and Balaguer-Núñez, L. and Balm, P. and
                       Barache, C. and Barata, C. and Barbato, D. and Barblan, F.
                       and Barklem, P. S. and Barrado, D. and Barros, M. and
                       Barstow, M. A. and Bartholomé Muñoz, L. and Bassilana,
                       J.-L. and Becciani, U. and Bellazzini, M. and Berihuete, A.
                       and Bertone, S. and Bianchi, L. and Bienaymé, O. and
                       Blanco-Cuaresma, S. and Boch, T. and Boeche, C. and
                       Bombrun, A. and Borrachero, R. and Bossini, D. and
                       Bouquillon, S. and Bourda, G. and Bragaglia, A. and
                       Bramante, L. and Breddels, M. A. and Bressan, A. and
                       Brouillet, N. and Brüsemeister, T. and Brugaletta, E. and
                       Bucciarelli, B. and Burlacu, A. and Busonero, D. and
                       Butkevich, A. G. and Buzzi, R. and Caffau, E. and
                       Cancelliere, R. and Cannizzaro, G. and Cantat-Gaudin, T.
                       and Carballo, R. and Carlucci, T. and Carrasco, J. M. and
                       Casamiquela, L. and Castellani, M. and Castro-Ginard, A.
                       and Charlot, P. and Chemin, L. and Chiavassa, A. and
                       Cocozza, G. and Costigan, G. and Cowell, S. and Crifo, F.
                       and Crosta, M. and Crowley, C. and Cuypers, J. and Dafonte,
                       C. and Damerdji, Y. and Dapergolas, A. and David, M. and de
                       Laverny, P. and De Luise, F. and De March, R. and de Souza,
                       R. and de Torres, A. and Debosscher, J. and del Pozo, E.
                       and Delgado, A. and Delgado, H. E. and Diakite, S. and
                       Diener, C. and Distefano, E. and Dolding, C. and Drazinos,
                       P. and Durán, J. and Edvardsson, B. and Enke, H. and
                       Eriksson, K. and Esquej, P. and Eynard Bontemps, G. and
                       Fabre, C. and Fabrizio, M. and Faigler, S. and Falcão, A.
                       J. and Farràs Casas, M. and Federici, L. and Fedorets, G.
                       and Fernique, P. and Figueras, F. and Filippi, F. and
                       Findeisen, K. and Fonti, A. and Fraile, E. and Fraser, M.
                       and Gai, M. and Galleti, S. and Garabato, D. and
                       García-Sedano, F. and Garofalo, A. and Garralda, N. and
                       Gavel, A. and Gavras, P. and Gerssen, J. and Geyer, R. and
                       Giacobbe, P. and Gilmore, G. and Girona, S. and Giuffrida,
                       G. and Glass, F. and Gomes, M. and Gueguen, A. and
                       Guerrier, A. and Gutié, R. and Haigron, R. and
                       Hatzidimitriou, D. and Hauser, M. and Haywood, M. and
                       Heiter, U. and Helmi, A. and Heu, J. and Hilger, T. and
                       Hobbs, D. and Hofmann, W. and Holland, G. and Huckle, H. E.
                       and Hypki, A. and Icardi, V. and Janßen, K. and Jevardat
                       de Fombelle, G. and Jonker, P. G. and Juhász, Á. L. and
                       Julbe, F. and Karampelas, A. and Kewley, A. and Klar, J.
                       and Kochoska, A. and Kohley, R. and Kolenberg, K. and
                       Kontizas, M. and Kontizas, E. and Koposov, S. E. and
                       Kordopatis, G. and Kostrzewa-Rutkowska, Z. and Koubsky, P.
                       and Lambert, S. and Lanza, A. F. and Lasne, Y. and Lavigne,
                       J.-B. and Le Fustec, Y. and Le Poncin-Lafitte, C. and
                       Lebreton, Y. and Leccia, S. and Leclerc, N. and
                       Lecoeur-Taibi, I. and Lenhardt, H. and Leroux, F. and Liao,
                       S. and Licata, E. and Lindstrøm, H. E. P. and Lister, T.
                       A. and Livanou, E. and Lobel, A. and López, M. and
                       Managau, S. and Mann, R. G. and Mantelet, G. and Marchal,
                       O. and Marchant, J. M. and Marconi, M. and Marinoni, S. and
                       Marschalkó, G. and Marshall, D. J. and Martino, M. and
                       Marton, G. and Mary, N. and Massari, D. and Matijevič, G.
                       and Mazeh, T. and McMillan, P. J. and Messina, S. and
                       Michalik, D. and Millar, N. R. and Molina, D. and Molinaro,
                       R. and Molnár, L. and Montegriffo, P. and Mor, R. and
                       Morbidelli, R. and Morel, T. and Morris, D. and Mulone, A.
                       F. and Muraveva, T. and Musella, I. and Nelemans, G. and
                       Nicastro, L. and Noval, L. and O'Mullane, W. and
                       Ordóñez-Blanco, D. and Osborne, P. and Pagani, C. and
                       Pagano, I. and Pailler, F. and Palacin, H. and Palaversa,
                       L. and Panahi, A. and Pawlak, M. and Piersimoni, A. M. and
                       Pineau, F.-X. and Plachy, E. and Plum, G. and Poggio, E.
                       and Prša, A. and Pulone, L. and Racero, E. and Ragaini, S.
                       and Rambaux, N. and Ramos-Lerate, M. and Regibo, S. and
                       Reylé, C. and Riclet, F. and Ripepi, V. and Riva, A. and
                       Rivard, A. and Rixon, G. and Roegiers, T. and Roelens, M.
                       and Romero-Gómez, M. and Rowell, N. and Royer, F. and
                       Ruiz-Dern, L. and Sadowski, G. and Sagristà Sellés, T.
                       and Sahlmann, J. and Salgado, J. and Salguero, E. and
                       Sanna, N. and Santana-Ros, T. and Sarasso, M. and Savietto,
                       H. and Schultheis, M. and Sciacca, E. and Segol, M. and
                       Segovia, J. C. and Ségransan, D. and Shih, I.-C. and
                       Siltala, L. and Silva, A. F. and Smart, R. L. and Smith, K.
                       W. and Solano, E. and Solitro, F. and Sordo, R. and Soria
                       Nieto, S. and Souchay, J. and Spagna, A. and Stampa, U. and
                       Steele, I. A. and Steidelmüller, H. and Stephenson, C. A.
                       and Stoev, H. and Suess, F. F. and Surdej, J. and Szabados,
                       L. and Szegedi-Elek, E. and Tapiador, D. and Taris, F. and
                       Tauran, G. and Taylor, M. B. and Teixeira, R. and Terrett,
                       D. and Teyssandier, P. and Titarenko, A. and Torra Clotet,
                       F. and Turon, C. and Ulla, A. and Utrilla, E. and Uzzi, S.
                       and Vaillant, M. and Valentini, G. and Valette, V. and van
                       Elteren, A. and Van Hemelryck, E. and van Leeuwen, M. and
                       Vaschetto, M. and Vecchiato, A. and Veljanoski, J. and
                       Viala, Y. and Vicente, D. and Vogt, S. and von Essen, C.
                       and Voss, H. and Votruba, V. and Voutsinas, S. and Weiler,
                       M. and Wertz, O. and Wevers, T. and Wyrzykowski, Ł. and
                       Yoldas, A. and Žerjal, M. and Ziaeepour, H. and Zorec, J.
                       and Zschocke, S. and Zucker, S. and Zurbach, C. and
                       Zwitter, T.",
      title         = "{Gaia Data Release 2. Observations of solar system
      year          = "2018",