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@Article{LeewenVJLBPBBBBBEEJKLLMPPRSSSVWAACDHKLOGHHPPBCCCCAFGHJMMMNOPPRRSTTTEGCGLMAAABBBBBCCCCCCDRTDDDFGGHHHHHHHHJJKKLMMMOPPPRRSSSSSTVVAAAAAAAÁAAAAAAAABBBBBBBNBBBBBBBBBBBBBBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCDDDDDCFLLMMSDDDDDDDDDDDDDEEEEFFFFFFFFFFFFFFFFFFGGGGGGGGGGGGGGGGGGGGGGGGHHHHHHHHHHHIIJJJJJKKKKKKKKKKKBLLLLLLLLLLLLLLLLLLLLLMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMNNNNOOOPPPPPPPPPPPPPPPPPRRRRRRRRRRRRRRRRRRRSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSTTTTTTTTTUUVVVVVVVVVVVVVWWWWWYZZZZAAAAAAABBBBBBBBBBBBBBBCCCCCDBTZDDDFFFFFGGGGGGGGHHIIJJJKKKKKKKKKLLLLMMMMMMMMNNOOOOOOOPPPPPPPPPPPRRRRRRRSSSSSSSSSSTTTTTTTVVVVVVWWWZZ:2017:OpClAs,
               author = "Leewen, F. van and Vallenari, A. and Jordi, C. and Lindegren, L. 
                         and Bastian, U. and Prusti, T. and De Bruijne, J. H. J. and Brown, 
                         A. G. A. and Babusiaux, C. and Bailer-Jones, C. A. L. and 
                         Biermann, M. and Evans, D. W. and Eyer, L. and Jansen, F. and 
                         Klioner, S. A. and Lammers, U. and Luri, X. and Mignard, F. and 
                         Panem, C. and Pourbaix, D. and Randich, S. and Sartoretti, P. and 
                         Siddiqui, H. I. and Soubiran, C. and Valette, V. and Walton, N. A. 
                         and Aerts, C. and Arenou, F. and Cropper, M. and Drimmel, R. and 
                         Høg, E. and Katz, D. and Lattanzi, M. G. and O'Mullane, W. and 
                         Grebel, E. K. and Holland, A. D. and Huc, C. and Passot, X. and 
                         Perryman, M. and Bramante, L. and Cacciari, C. and Castañeda, J. 
                         and Chaoul, L. and Cheek, N. and De Angeli, F. and Fabricius, C. 
                         and Guerra, R. and Hern{\'a}ndez, J. and Jean-Antoine-Piccolo, A. 
                         and Masana, E. and Messineo, R. and Mowlavi, N. and Nienartowicz, 
                         K. and Ord{\'o}ñez-Blanco, D. and Panuzzo, P. and Portell, J. and 
                         Richards, P. J. and Riello, M. and Seabroke, G. M. and Tanga, P. 
                         and Th{\'e}venin, F. and Torra, J. and Els, S. G. and 
                         Gracia-Abril, G. and Comoretto, G. and Garcia-Reinaldos, M. and 
                         Lock, T. and Mercier, E. and Altmann, M. and Andrae, R. and 
                         Astraatmadja, T. L. and Bellas-Velidis, I. and Benson, K. and 
                         Berthier, J. and Blomme, R. and Busso, G. and Carry, B. and 
                         Cellino, A. and Clementini, G. and Cowell, S. and Creevey, O. and 
                         Cuypers, J. and Davidson, M. and De Ridder, J. and De Torres, A. 
                         and Delchambre, L. and Dell'oro, A. and Ducourant, C. and 
                         Fr{\'e}mat, Y. and Garc{\'{\i}}a-Torres, M. and Gosset, E. and 
                         Halbwachs, J. -L. and Hambly, N. C. and Harrison, D. L. and 
                         Hauser, M. and Hestroffer, D. and Hodgkin, S. T. and Huckle, H. E. 
                         and Hutton, A. and Jasniewicz, G. and Jordan, S. and Kontizas, M. 
                         and Korn, A. J. and Lanzafame, A. C. and Manteiga, M. and 
                         Moitinho, A. and Muinonen, K. and Osinde, J. and Pancino, E. and 
                         Pauwels, T. and Petit, J. -M. and Recio-Blanco, A. and Robin, A. 
                         C. and Sarro, L. M. and Siopis, C. and Smith, M. and Smith, K. W. 
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                         Balaguer-N{\'u}ñez, L. and Barache, C. and Barata, C. and 
                         Barbier, A. and Barblan, F. and Navascu{\'e}s, B. Y. D. and 
                         Barros, M. and Barstow, M. A. and Becciani, U. and Bellazzini, M. 
                         and Bello Garc{\'{\i}}a, A. and Belokurov, V. and Bendjoya, P. 
                         and Berihuete, A. and Bianchi, L. and Bienaym{\'e}, O. and 
                         Billebaud, F. and Blagorodnova, N. and Blanco-Cuaresma, S. and 
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                         Bourda, G. and Bouy, H. and Bragaglia, A. and Breddels, M. A. and 
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                         Buzzi, R. and Caffau, E. and Cambras, J. and Campbell, H. and 
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                         Felice, F. and De Laverny, P. and De Luise, F. and De March, R. 
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                         Pozo, E. and Delbo, M. and Delgado, A. and Delgado, H. E. and Di 
                         Matteo, P. and Diakite, S. and Distefano, E. and Dolding, C. and 
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                         K. and Fonti, A. and Fouesneau, M. and Fraile, E. and Fraser, M. 
                         and Fuchs, J. and Gai, M. and Galleti, S. and Galluccio, L. and 
                         Garabato, D. and Garc{\'{\i}}a-Sedano, F. and Garofalo, A. and 
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                         Gilmore, G. and Girona, S. and Giuffrida, G. and Gomes, M. and 
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                         and Hobbs, D. and Hofmann, W. and Holl, B. and Holland, G. and 
                         Hunt, J. A. S. and Hypki, A. and Icardi, V. and Irwin, M. and 
                         Jevardat De Fombelle, G. and Jofr{\'e}, P. and Jonker, P. G. and 
                         Jorissen, A. and Julbe, F. and Karampelas, A. and Kochoska, A. and 
                         Kohley, R. and Kolenberg, K. and Kontizas, E. and Koposov, S. E. 
                         and Kordopatis, G. and Koubsky, P. and Krone-Martins, A. and 
                         Kudryashova, M. and Kull, I. and Bachchan, R. K. and 
                         Lacoste-Seris, F. and Lanza, A. F. and Lavigne, J. -B. and Le 
                         Poncin-Lafitte, C. and Lebreton, Y. and Lebzelter, T. and Leccia, 
                         S. and Leclerc, N. and Lecoeur-Taibi, I. and Lemaitre, V. 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 L{\"o}ffler, W. and L{\'o}pez, M. and Lorenz, D. and 
                         MacDonald, I. and Magalh{\~a}es Fernandes, T. and Managau, S. and 
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                         and Marconi, M. and Marinoni, S. and Marrese, P. M. and 
                         Marschalk{\'o}, G. and Marshall, D. J. and 
                         Mart{\'{\i}}n-Fleitas, J. M. and Martino, M. and Mary, N. and 
                         {Matijevič} and , G. and Mazeh, T. and McMillan, P. J. and 
                         Messina, S. and Michalik, D. and Millar, N. R. and Miranda, B. M. 
                         H. and Molina, D. and Molinaro, R. and Molinaro, M. and 
                         Moln{\'a}r, L. and Moniez, M. and Montegriffo, P. and Mor, R. and 
                         Mora, A. and Morbidelli, R. and Morel, T. and Morgenthaler, S. and 
                         Morris, D. and Mulone, A. F. and Muraveva, T. and Musella, I. and 
                         Narbonne, J. and Nelemans, G. and Nicastro, L. and Noval, L. and 
                         Ord{\'e}novic, C. and Ordieres-Mer{\'e}, J. and Osborne, P. and 
                         Pagani, C. and Pagano, I. and Pailler, F. and Palacin, H. and 
                         Palaversa, L. and Parsons, P. and Pecoraro, M. and Pedrosa, R. and 
                         Pentik{\"a}inen, H. and Pichon, B. and Piersimoni, A. M. and 
                         Pineau, F. -X. and Plachy, E. and Plum, G. and Poujoulet, E. and 
                         Prša, A. and Pulone, L. and Ragaini, S. and Rago, S. and Rambaux, 
                         N. and Ramos-Lerate, M. and Ranalli, P. and Rauw, G. and Read, A. 
                         and Regibo, S. and Reyl{\'e}, C. and Ribeiro, R. A. and 
                         Rimoldini, L. and Ripepi, V. and Riva, A. and Rixon, G. and 
                         Roelens, M. and Romero-G{\'o}mez, M. and Rowell, N. and Royer, F. 
                         and Ruiz-Dern, L. and Sadowski, G. and Sagrist{\`a} Sell{\'e}s, 
                         T. and Sahlmann, J. and Salgado, J. and Salguero, E. and Sarasso, 
                         M. and Savietto, H. and Schultheis, M. and Sciacca, E. and Segol, 
                         M. and Segovia, J. C. and Segransan, D. and Shih, I. -C. and 
                         Smareglia, R. and Smart, R. L. and Solano, E. and Solitro, F. and 
                         Sordo, R. and Soria Nieto, S. and Souchay, J. and Spagna, A. and 
                         Spoto, F. and Stampa, U. and Steele, I. A. and Steidelm{\"u}ller, 
                         H. and Stephenson, C. A. and Stoev, H. and Suess, F. F. and 
                         S{\"u}veges, M. 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 Tingley, B. and Trager, S. C. 
                         and Turon, C. and Ulla, A. and Utrilla, E. and Valentini, G. and 
                         Van Elteren, A. and Van Hemelryck, E. and Vanleeuwen, M. and 
                         Varadi, M. and Vecchiato, A. and Veljanoski, J. and Via, T. and 
                         Vicente, D. and Vogt, S. and Voss, H. and Votruba, V. and 
                         Voutsinas, S. and Walmsley, G. and Weiler, M. and Weingrill, K. 
                         and Wevers, T. and Wyrzykowski, A. and Yoldas, A. and Zerjal, M. 
                         and Zucker, S. and Zurbach, C. and Zwitter, T. and Alecu, A. and 
                         Allen, M. and Allende Prieto, C. and Amorim, A. and 
                         Anglada-Escud{\'e}, G. and Arsenijevic, V. and Azaz, S. and Balm, 
                         P. and Beck, M. and Bernstein, H. -H. and Bigot, L. and Bijaoui, 
                         A. and Blasco, C. and Bonfigli, M. and Bono, G. and Boudreault, S. 
                         and Bressan, A. and Brown, S. and Brunet, P. -M. and Bunclark, P. 
                         and Buonanno, R. and Butkevich, A. G. and Carret, C. and Carrion, 
                         C. and Chemin, Laurent and Ch{\'e}reau, F. and Corcione, L. and 
                         Darmigny, E. and De Boer, K. S. and De Teodoro, P. and De Zeeuw, 
                         P. T. and Delle Luche, C. and Domingues, C. D. and Dubath, P. and 
                         Fodor, F. and Fr{\'e}zouls, B. and Fries, A. and Fustes, D. and 
                         Fyfe, D. and Gallardo, E. and Gallegos, J. and Gardiol, D. and 
                         Gebran, M. and Gomboc, A. and G{\'o}mez, A. and Grux, E. and 
                         Gueguen, A. and Heyrovsky, A. and Hoar, J. and Iannicola, G. and 
                         Isasi Parache, Y. and Janotto, A. -M. and Joliet, E. and 
                         Jonckheere, A. and Keil, R. and Kim, D. -W. and Klagyivik, P. and 
                         Klar, J. and Knude, J. and Kochukhov, O. and Kolka, I. and Kos, J. 
                         and Kutka, A. and Lainey, V. and Lebouquin, D. and Liu, C. and 
                         Loreggia, D. and Makarov, V. V. and Marseille, M. G. and Martayan, 
                         C. and Martinez-Rubi, O. and Massart, B. and Meynadier, F. and 
                         Mignot, S. and Munari, U. and Nguyen, A. -T. and Nordlander, T. 
                         and O'Flaherty, K. S. and Ocvirk, P. and Olias Sanz, A. and Ortiz, 
                         P. and Osorio, J. and Oszkiewicz, D. and Ouzounis, A. and Palmer, 
                         M. and Park, P. and Pasquato, E. and Peltzer, C. and Peralta, J. 
                         and P{\'e}turaud, F. and Pieniluoma, T. and Pigozzi, E. and 
                         Poels, J. and Prat, G. and Prod'homme, T. and Raison, F. and 
                         Rebordao, J. M. and Risquez, D. and Rocca-Volmerange, B. and 
                         Rosen, S. and Ruiz-Fuertes, M. I. and Russo, F. and Sembay, S. and 
                         Serraller Vizcaino, I. and Short, A. and Siebert, A. and Silva, H. 
                         and Sinachopoulos, D. and Slezak, E. and Soffel, M. and Sosnowska, 
                         D. and StraiÅ Ys, V. and Ter Linden, M. and Terrell, D. and Theil, 
                         S. and Tiede, C. and Troisi, L. and Tsalmantza, P. and Tur, D. and 
                         Vaccari, M. and Vachier, F. and Valles, P. and Van Hamme, W. and 
                         Veltz, L. and Virtanen, J. and Wallut, J. -M. and Wichmann, R. and 
                         Wilkinson, M. I. and Ziaeepour, H. and Zschocke, S.",
          affiliation = "{} and {} and {} and {} and {} and {} and {} and {} and {} and {} 
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                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
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                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
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                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
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                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
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                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
                         {} and {} and {} and {} and {} and {} and {} and {} and {} and {} 
                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
                         {} and {} and {} and {} and {} and {} and {} and {} and {} and {} 
                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
                         {} and {} and {} and {} and {} and {} and {} and {} and {} and {} 
                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
                         {} and {} and {} and {} and {} and {} and {} and {} and {} and {} 
                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
                         {} and {} and {} and {} and {} and {} and {} and {} and {} and {} 
                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
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                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
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                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
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                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
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                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
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                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
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                         and {} and {} and {} and {} and {} and {} and {} and {} and {} and 
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                         {} and {} and {} and {} and {} and {} and {} and {} and {} and {} 
                         and {} and {Instituto Nacional de Pesquisas Espaciais (INPE)}",
                title = "Gaia Data Release 1: Open cluster astrometry: Performance, 
                         limitations, and future prospects",
              journal = "Astronomy and Astrophysics",
                 year = "2017",
               volume = "601",
                month = "May",
             keywords = "Astrometry Open clusters and associations: general.",
             abstract = "Context. The first Gaia Data Release contains the Tycho-Gaia 
                         Astrometric Solution (TGAS). This is a subset of about 2 million 
                         stars for which, besides the position and photometry, the proper 
                         motion and parallax are calculated using Hipparcos and Tycho-2 
                         positions in 1991.25 as prior information. Aims. We investigate 
                         the scientific potential and limitations of the TGAS component by 
                         means of the astrometric data for open clusters. Methods. Mean 
                         cluster parallax and proper motion values are derived taking into 
                         account the error correlations within the astrometric solutions 
                         for individual stars, an estimate of the internal velocity 
                         dispersion in the cluster, and, where relevant, the effects of the 
                         depth of the cluster along the line of sight. Internal consistency 
                         of the TGAS data is assessed. Results. Values given for standard 
                         uncertainties are still inaccurate and may lead to unrealistic 
                         unit-weight standard deviations of least squares solutions for 
                         cluster parameters. Reconstructed mean cluster parallax and proper 
                         motion values are generally in very good agreement with earlier 
                         Hipparcos-based determination, although the Gaia mean parallax for 
                         the Pleiades is a significant exception. We have no current 
                         explanation for that discrepancy. Most clusters are observed to 
                         extend to nearly 15 pc from the cluster centre, and it will be up 
                         to future Gaia releases to establish whether those potential 
                         cluster-member stars are still dynamically bound to the clusters. 
                         Conclusions. The Gaia DR1 provides the means to examine open 
                         clusters far beyond their more easily visible cores, and can 
                         provide membership assessments based on proper motions and 
                         parallaxes. A combined HR diagram shows the same features as 
                         observed before using the Hipparcos data, with clearly increased 
                         luminosities for older A and F dwarfs.",
                  doi = "10.1051/0004-6361/201730552",
                  url = "http://dx.doi.org/10.1051/0004-6361/201730552",
                 issn = "0004-6361 and 1432-0746",
             language = "en",
        urlaccessdate = "04 dez. 2020"
}


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