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Lindegren, L, Hernandez, J, Bombrun, A, Klioner, S, Bastian, U, Ramos-Lerate, M, de Torres, A, Steidelmueller, H, Stephenson, C, Hobbs, D, Lammers, U, Biermann, M, Geyer, R, Hilger, T, Michalik, D, Stampa, U, McMillan, PJ, Castaneda, J, Clotet, M, Comoretto, G et al, Davidson, M, Fabricius, C, Gracia, G, Hambly, NC, Hutton, A, Mora, A, Portell, J, van Leeuwen, F, Abbas, U, Abreu, A, Altmann, M, Andrei, A, Anglada, E, Balaguer-Nunez, L, Barache, C, Becciani, U, Bertone, S, Bianchi, L, Bouquillon, S, Bourda, G, Brusemeister, T, Bucciarelli, B, Busonero, D, Buzzi, R, Cancelliere, R, Carlucci, T, Charlot, P, Cheek, N, Crosta, M, Crowley, C, de Bruijne, J, de Felice, F, Drimmel, R, Esquej, P, Fienga, A, Fraile, E, Gai, M, Garralda, N, Gonzalez-Vidal, JJ, Guerra, R, Hauser, M, Hofmann, W, Holl, B, Jordan, S, Lattanzi, MG, Lenhardt, H, Liao, S, Licata, E, Lister, T, Loeffler, W, Marchant, JM, Martin-Fleitas, J-M, Messineo, R, Mignard, F, Morbidelli, R, Poggio, E, Riva, A, Rowell, N, Salguero, E, Sarasso, M, Sciacca, E, Siddiqui, H, Smart, RL, Spagna, A, Steele, IA, Taris, F, Torra, J, van Elteren, A, van Reeven, W and Vecchiato, A (2018) Gaia Release Data 2 The astrometric solution. Astronomy & Astrophysics, 616. ISSN 1432-0746

Lindegren, L, Lammers, U, Bastian, U, Hernández, J, Klioner, S, Hobbs, D, Bombrun, A, Michalik, D, Ramos-Lerate, M, Butkevich, A, Comoretto, G, Joliet, E, Holl, B, Hutton, A, Parsons, P, Steidelmüller, H, Abbas, U, Altmann, M, Andrei, A, Anton, S et al, Bach, N, Barache, C, Becciani, U, Berthier, J, Bianchi, L, Biermann, M, Bouquillon, S, Bourda, G, Brüsemeister, T, Bucciarelli, B, Busonero, D, Carlucci, T, Castañeda, J, Charlot, P, Clotet, M, Crosta, M, Davidson, M, De Felice, F, Drimmel, R, Fabricius, C, Fienga, A, Figueras, F, Fraile, E, Gai, M, Garralda, N, Geyer, R, González-Vidal, JJ, Guerra, R, Hambly, NC, Hauser, M, Jordan, S, Lattanzi, MG, Lenhardt, H, Liao, S, Löffler, W, McMillan, PJ, Mignard, F, Mora, A, Morbidelli, R, Portell, J, Riva, A, Sarasso, M, Serraller, I, Siddiqui, H, Smart, R, Spagna, A, Stampa, U, Steele, IA, Taris, F, Torra, J, Van Reeven, W, Vecchiato, A, Zschocke, S, De Bruijne, J, Gracia, G, Raison, F, Lister, T, Marchant, JM, Messineo, R, Soffel, M, Osorio, J, De Torres, A and O'Mullane, W (2016) Gaia Data Release 1: Astrometry: One billion positions, two million proper motions and parallaxes. Astronomy and Astrophysics, 595 (A4). ISSN 0004-6361

Fabricius, C, Bastian, U, Portell, J, Castañeda, J, Davidson, M, Hambly, NC, Clotet, M, Biermann, M, Mora, A, Busonero, D, Riva, A, Brown, AGA, Smart, R, Lammers, U, Torra, J, Drimmel, R, Gracia, G, Löffler, W, Spagna, A, Lindegren, L et al, Klioner, S, Andrei, A, Bach, N, Bramante, L, Brüsemeister, T, Busso, G, Carrasco, JM, Gai, M, Garralda, N, González-Vidal, JJ, Guerra, R, Hauser, M, Jordan, S, Jordi, C, Lenhardt, H, Mignard, F, Messineo, R, Mulone, A, Serraller, I, Stampa, U, Tanga, P, Van Elteren, A, Van Reeven, W, Voss, H, Abbas, U, Allasia, W, Altmann, M, Anton, S, Barache, C, Becciani, U, Berthier, J, Bianchi, L, Bombrun, A, Bouquillon, S, Bourda, G, Bucciarelli, B, Butkevich, A, Buzzi, R, Cancelliere, R, Carlucci, T, Charlot, P, Collins, R, Comoretto, G, Cross, N, Crosta, M, De Felice, F, Fienga, A, Figueras, F, Fraile, E, Geyer, R, Hernandez, J, Hobbs, D, Hofmann, W, Liao, S, Licata, E, Martino, M, McMillan, PJ, Michalik, D, Morbidelli, R, Parsons, P, Pecoraro, M, Ramos-Lerate, M, Sarasso, M, Siddiqui, H, Steele, IA, Steidelmüller, H, Taris, F, Vecchiato, A, Abreu, A, Anglada, E, Boudreault, S, Cropper, M, Holl, B and Cheek, N (2016) Gaia Data Release 1: Pre-processing and source list creation. Astronomy and Astrophysics, 595. ISSN 0004-6361