Gaia Data Release 1, Pre-processing and source list creation
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The first data release from the Gaia mission contains accurate positions and magnitudes for more than a billion sources, and proper motions and parallaxes for the majority of the 2.5 million HIPPARCOS and Tycho-2 stars.Abstract:
The first data release from the Gaia mission contains accurate positions and magnitudes for more than a billion sources, and proper motions and parallaxes for the majority of the 2.5~million Hipparcos and Tycho-2 stars.
We describe three essential elements of the initial data treatment leading to this catalogue: the image analysis, the construction of a source list, and the near real-time monitoring of the payload health. We also discuss some weak points that set limitations for the attainable precision at the present stage of the mission.
Image parameters for point sources are derived from one-dimensional scans, using a maximum likelihood method, under the assumption of a line spread function constant in time, and a complete modelling of bias and background. These conditions are, however, not completely fulfilled. The Gaia source list is built starting from a large ground-based catalogue, but even so a significant number of new entries have been added, and a large number have been removed. The autonomous onboard star image detection will pick up many spurious images, especially around bright sources, and such unwanted detections must be identified. Another key step of the source list creation consists in arranging the more than $10^{10}$ individual detections in spatially isolated groups that can be analysed individually.
Complete software systems have been built for the Gaia initial data treatment, that manage approximately 50~million focal plane transits daily, giving transit times and fluxes for 500~million individual CCD images to the astrometric and photometric processing chains. The software also carries out a successful and detailed daily monitoring of Gaia health.read more
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Journal ArticleDOI
Gaia Data Release 2. Summary of the contents and survey properties
Anthony G. A. Brown,Antonella Vallenari,T. Prusti,J. H. J. de Bruijne,C. Babusiaux,Coryn A. L. Bailer-Jones,M. Biermann,D. W. Evans,L. Eyer,F. Jansen,Carme Jordi,Sergei A. Klioner,U. Lammers,Lennart Lindegren,Xavier Luri,Francois Mignard,C. Panem,Dimitri Pourbaix,Sofia Randich,P. Sartoretti,H. I. Siddiqui,Caroline Soubiran,F. van Leeuwen,Nicholas A. Walton,Frédéric Arenou,Ulrich Bastian,Mark Cropper,R. Drimmel,D. Katz,M. G. Lattanzi,Joost M. Bakker,C. Cacciari,J. Castañeda,L. Chaoul,N. Cheek,F. De Angeli,C. Fabricius,Raphael Guerra,B. Holl,E. Masana,R. Messineo,Nami Mowlavi,K. Nienartowicz,P. Panuzzo,J. Portell,M. Riello,George M. Seabroke,Paolo Tanga,F. Thévenin,G. Gracia-Abril,G. Comoretto,M. Garcia-Reinaldos,D. Teyssier,Martin Altmann,Rene Andrae,M. Audard,I. Bellas-Velidis,K. Benson,Jérôme Berthier,R. Blomme,P. Burgess,G. Busso,Benoit Carry,Alberto Cellino,G. Clementini,M. Clotet,O. Creevey,M. Davidson,J. De Ridder,Ludovic Delchambre,A. Dell'Oro,C. Ducourant,J. Fernández-Hernández,Morgan Fouesneau,Yves Fremat,Laurent Galluccio,Miguel García-Torres,J. González-Núñez,J. J. González-Vidal,Eric Gosset,Leanne P. Guy,J.-L. Halbwachs,Nigel Hambly,D. L. Harrison,Jose M Hernandez,Daniel Hestroffer,S. T. Hodgkin,A. Hutton,G. Jasniewicz,A. Jean-Antoine-Piccolo,Stefan Jordan,Andreas Korn,Alberto Krone-Martins,A. C. Lanzafame,T. Lebzelter,W. Löffler,Minia Manteiga,P. M. Marrese,J. M. Martín-Fleitas,André Moitinho,A. Mora,Karri Muinonen,J. Osinde,E. Pancino,T. Pauwels,J.-M. Petit,Alejandra Recio-Blanco,P. J. Richards,L. Rimoldini,Annie C. Robin,L. M. Sarro,Christos Siopis,M. J. S. Smith,Alessandro Sozzetti,Maria Süveges,J. Torra,W. van Reeven,U. Abbas,A. Abreu Aramburu,S. Accart,Conny Aerts,G. Altavilla,M. A. Álvarez,R. Alvarez,João Alves,Richard I. Anderson,Alexandre Humberto Andrei,E. Anglada Varela,E. Antiche,Teresa Antoja,Bernardino Arcay,Tri L. Astraatmadja,N. Bach,S. G. Baker,L. Balaguer-Núñez,P. Balm,C. Barache,C. Barata,D. Barbato,F. Barblan,Paul S. Barklem,David Barrado,M. Barros,M. A. Barstow,S. Bartholomé Muñoz,J.-L. Bassilana,Ugo Becciani,M. Bellazzini,A. Berihuete,Stefano Bertone,Luciana Bianchi,O. Bienaymé,S. Blanco-Cuaresma,T. Boch,C. Boeche,Alex Bombrun,R. Borrachero,Diego Bossini,S. Bouquillon,G. Bourda,Angela Bragaglia,L. Bramante,Maarten A. Breddels,Alessandro Bressan,N. Brouillet,T. Brüsemeister,E. Brugaletta,B. Bucciarelli,A. Burlacu,D. Busonero,A. G. Butkevich,R. Buzzi,Elisabetta Caffau,R. Cancelliere,G. Cannizzaro,Tristan Cantat-Gaudin,R. Carballo,T. Carlucci,J. M. Carrasco,Laia Casamiquela,Marco Castellani,Alfred Castro-Ginard,P. Charlot,L. Chemin,Andrea Chiavassa,G. Cocozza,G. Costigan,S. Cowell,F. Crifo,M. Crosta,C. Crowley,J. Cuypers,Carlos Dafonte,Yassine Damerdji,A. Dapergolas,P. David,M. David,P. de Laverny,F. De Luise,R. De March,D. de Martino,R. S. de Souza,A. de Torres,J. Debosscher,E. del Pozo,Marco Delbo,A. Delgado,H. E. Delgado,P. Di Matteo,S. Diakite,C. Diener,E. Distefano,C. Dolding,P. Drazinos,J. Durán,B. Edvardsson,H. Enke,K. Eriksson,P. Esquej,G. Eynard Bontemps,C. Fabre,M. Fabrizio,S. Faigler,A. J. Falcão,M. Farràs Casas,L. Federici,Grigori Fedorets,P. Fernique,F. Figueras,Francesco Filippi,K. Findeisen,A. Fonti,E. Fraile,Morgan Fraser,B. Frézouls,Mario Gai,S. Galleti,D. Garabato,F. García-Sedano,A. Garofalo,N. Garralda,A. Gavel,P. Gavras,J. Gerssen,R. Geyer,P. Giacobbe,Gerard Gilmore,S. Girona,G. Giuffrida,F. Glass,M. Gomes,Mikael Granvik,A. Gueguen,A. Guerrier,J. Guiraud,R. Gutiérrez-Sánchez,R. Haigron,Despina Hatzidimitriou,M. Hauser,M. Haywood,Ulrike Heiter,Amina Helmi,J. Heu,Thomas Hilger,David Hobbs,Werner Hofmann,G. Holland,H. E. Huckle,A. Hypki,V. Icardi,K. Janßen,G. Jevardat de Fombelle,Peter G. Jonker,Attila Juhasz,F. Julbe,A. Karampelas,A. Kewley,Joakim Klar,A. Kochoska,R. Kohley,K. Kolenberg,M. Kontizas,E. Kontizas,Sergey E. Koposov,Georges Kordopatis,Z. Kostrzewa-Rutkowska,P. Koubsky,Sébastien Lambert,Antonino F. Lanza,Y. Lasne,J.-B. Lavigne,Y. Le Fustec,C. Le Poncin-Lafitte,Yveline Lebreton,S. Leccia,N. Leclerc,I. Lecoeur-Taïbi,H. Lenhardt,F. Leroux,S. Liao,E. Licata,H. E. P. Lindstrøm,T. A. Lister,E. Livanou,A. Lobel,M. López,S. Managau,Robert G. Mann,G. Mantelet,O. Marchal,Jon Marchant,Marcella Marconi,S. Marinoni,G. Marschalkó,D. J. Marshall,M. Martino,Gábor Marton,Nicolas Mary,Davide Massari,G. Matijevič,Tsevi Mazeh,Paul J. McMillan,S. Messina,D. Michalik,N. R. Millar,D. Molina,R. Molinaro,L. Molnár,P. Montegriffo,R. Mor,R. Morbidelli,Thierry Morel,D. Morris,A. F. Mulone,T. Muraveva,I. Musella,Gijs Nelemans,Luciano Nicastro,L. Noval,W. O'Mullane,C. Ordénovic,D. Ordóñez-Blanco,P. Osborne,C. Pagani,I. Pagano,F. Pailler,H. Palacin,L. Palaversa,A. Panahi,Michał Pawlak,A. M. Piersimoni,F.-X. Pineau,E. Plachy,G. Plum,E. Poggio,E. Poujoulet,A. Prša,L. Pulone,E. Racero,S. Ragaini,N. Rambaux,M. Ramos-Lerate,S. Regibo,Céline Reylé,F. Riclet,V. Ripepi,A. Riva,A. Rivard,G. Rixon,T. Roegiers,M. Roelens,M. Romero-Gómez,Nicholas Rowell,F. Royer,L. Ruiz-Dern,G. Sadowski,T. Sagristà Sellés,Johannes Sahlmann,J. Salgado,E. Salguero,Nicoletta Sanna,Toni Santana-Ros,M. Sarasso,H. Savietto,M. Schultheis,Eva Sciacca,M. Segol,J. C. Segovia,Damien Ségransan,I.-C. Shih,L. Siltala,A. F. Silva,Richard L. Smart,K. W. Smith,E. Solano,F. Solitro,R. Sordo,Sonia Nieto,J. Souchay,A. Spagna,Federica Spoto,U. Stampa,Iain A. Steele,H. Steidelmüller,C. A. Stephenson,H. Stoev,F. F. Suess,Jean Surdej,Laszlo Szabados,E. Szegedi-Elek,D. Tapiador,F. Taris,G. Tauran,M. B. Taylor,Ramachrisna Teixeira,D. Terrett,P. Teyssandier,W. Thuillot,A. Titarenko,F. Torra Clotet,C. Turon,A. Ulla,E. Utrilla,S. Uzzi,M. Vaillant,G. Valentini,V. Valette,A. van Elteren,E. Van Hemelryck,M. van Leeuwen,M. Vaschetto,Alberto Vecchiato,Jovan Veljanoski,Y. Viala,D. Vicente,Steven S. Vogt,C. von Essen,H. Voss,V. Votruba,S. Voutsinas,G. Walmsley,M. Weiler,O. Wertz,T. Wevers,Łukasz Wyrzykowski,A. Yoldas,M. Žerjal,H. Ziaeepour,J. Zorec,Sven Zschocke,Shay Zucker,C. Zurbach,T. Zwitter +452 more
TL;DR: The second Gaia data release, Gaia DR2 as mentioned in this paper, is a major advance with respect to Gaia DR1 in terms of completeness, performance, and richness of the data products.
Journal ArticleDOI
The Gaia mission
T. Prusti,J. H. J. de Bruijne,Anthony G. A. Brown,Antonella Vallenari,C. Babusiaux,C. A. L. Bailer-Jones,Ulrich Bastian,M. Biermann,D. W. Evans,L. Eyer,F. A. Jansen,Carme Jordi,Sergei A. Klioner,Uwe Lammers,Lennart Lindegren,Xavier Luri,Francois Mignard,D. J. Milligan,C. Panem,V. Poinsignon,Dimitri Pourbaix,Sofia Randich,G. Sarri,P. Sartoretti,H. I. Siddiqui,Caroline Soubiran,V. Valette,F. van Leeuwen,N. A. Walton,Conny Aerts,Frédéric Arenou,Mark Cropper,R. Drimmel,Erik Høg,D. Katz,Mario G. Lattanzi,W. O'Mullane,Eva K. Grebel,Andrew D. Holland,C. Huc,X. Passot,L. Bramante,Carla Cacciari,J. Castañeda,L. Chaoul,N. Cheek,F. De Angeli,C. Fabricius,Raphael Guerra,Jose M Hernandez,A. Jean-Antoine-Piccolo,Eduard Masana,R. Messineo,Nami Mowlavi,Krzysztof Nienartowicz,D. Ordóñez-Blanco,Pasquale Panuzzo,Jordi Portell,P. J. Richards,M. Riello,George M. Seabroke,Paolo Tanga,F. Thévenin,J. Torra,Sebastian Els,G. Gracia-Abril,G. Comoretto,M. Garcia-Reinaldos,T. Lock,E. Mercier,Martin Altmann,Rene Andrae,Tri L. Astraatmadja,I. Bellas-Velidis,Kevin Benson,Jérôme Berthier,R. Blomme,G. Busso,Benoit Carry,Alberto Cellino,Gisella Clementini,S. Cowell,O. L. Creevey,J. Cuypers,Michael Davidson,J. De Ridder,A. de Torres,Ludovic Delchambre,Aldo Dell'Oro,C. Ducourant,Yves Fremat,Miguel García-Torres,Eric Gosset,J. L. Halbwachs,Nigel Hambly,D. L. Harrison,M. Hauser,Daniel Hestroffer,Simon Hodgkin,H. E. Huckle,A. Hutton,Gérard Jasniewicz,Stefan Jordan,M. Kontizas,Andreas Korn,A. C. Lanzafame,Minia Manteiga,André Moitinho,Karri Muinonen,J. Osinde,Elena Pancino,T. Pauwels,J. M. Petit,Alejandra Recio-Blanco,Annie C. Robin,L. M. Sarro,Christos Siopis,M. J. S. Smith,K. W. Smith,Alessandro Sozzetti,William Thuillot,W. van Reeven,Y. Viala,Ummi Abbas,A. Abreu Aramburu,S. Accart,J. J. Aguado,P. M. Allan,Walter Allasia,G. Altavilla,M. A. Álvarez,João Alves,Richard I. Anderson,Alexandre Humberto Andrei,E. Anglada Varela,E. Antiche,Teresa Antoja,Sonia Anton,Bernardino Arcay,A. Atzei,L. Ayache,N. Bach,S. G. Baker,L. Balaguer-Núñez,Christophe Barache,C. Barata,Antoine Barbier,F. Barblan,M. Baroni,D. Barrado y Navascués,M. Barros,Martin A. Barstow,Ugo Becciani,Michele Bellazzini,G. Bellei,A. Bello García,Vasily Belokurov,Philippe Bendjoya,A. Berihuete,Luciana Bianchi,Olivier Bienaymé,F. Billebaud,Nadejda Blagorodnova,S. Blanco-Cuaresma,T. Boch,Alex Bombrun,R. Borrachero,S. Bouquillon,G. Bourda,Hervé Bouy,Angela Bragaglia,Maarten A. Breddels,N. Brouillet,T. Brüsemeister,Beatrice Bucciarelli,F. Budnik,P. Burgess,R. Burgon,A. Burlacu,Deborah Busonero,R. Buzzi,Elisabetta Caffau,J. Cambras,Heather Campbell,Rossella Cancelliere,Tristan Cantat-Gaudin,T. Carlucci,J. M. Carrasco,Marco Castellani,P. Charlot,J. Charnas,P. Charvet,F. Chassat,Andrea Chiavassa,M. Clotet,G. Cocozza,Ross Collins,P. Collins,G. Costigan,F. Crifo,Nicholas Cross,Mariateresa Crosta,C. Crowley,Carlos Dafonte,Yassine Damerdji,A. Dapergolas,P. David,M. David,P. De Cat,F. de Felice,P. de Laverny,F. De Luise,R. De March,D. de Martino,R. E. de Souza,Jonas Debosscher,E. del Pozo,Marco Delbo,A. Delgado,H. E. Delgado,F. di Marco,P. Di Matteo,S. Diakite,Elisa Distefano,C. Dolding,S. dos Anjos,P. Drazinos,J. Durán,Y. Dzigan,E. Ecale,Bengt Edvardsson,Harry Enke,M. Erdmann,D. Escolar,M. Espina,Nick Evans,G. Eynard Bontemps,C. Fabre,M. Fabrizio,Simchon Faigler,A. J. Falcão,M. Farràs Casas,F. Faye,Luciana Federici,Grigori Fedorets,J. Fernández-Hernández,Pierre Fernique,Agnes Fienga,Francesca Figueras,F. Filippi,K. Findeisen,A. Fonti,Morgan Fouesneau,E. Fraile,Morgan Fraser,J. Fuchs,R. Furnell,Mario Gai,S. Galleti,Laurent Galluccio,D. Garabato,F. García-Sedano,P. Gare,A. Garofalo,N. Garralda,P. Gavras,J. Gerssen,R. Geyer,Gerry Gilmore,S. Girona,G. Giuffrida,M. Gomes,Ana González-Marcos,J. González-Núñez,J. J. González-Vidal,Mikael Granvik,A. Guerrier,Patrick Guillout,J. Guiraud,A. Gúrpide,R. Gutiérrez-Sánchez,Leanne P. Guy,R. Haigron,Despina Hatzidimitriou,Misha Haywood,Ulrike Heiter,Amina Helmi,David Hobbs,W. Hofmann,B. Holl,G. Holland,Julie Ann Hunt,A. Hypki,V. Icardi,Mike Irwin,G. Jevardat de Fombelle,Paula Jofre,Peter G. Jonker,Alain Jorissen,F. Julbe,A. Karampelas,A. Kochoska,R. Kohley,Katrien Kolenberg,E. Kontizas,Sergey E. Koposov,Georges Kordopatis,P. Koubsky,A. Kowalczyk,Alberto Krone-Martins,M. Kudryashova,I. Kull,R. K. Bachchan,F. Lacoste-Seris,Antonino F. Lanza,J.-B. Lavigne,C. Le Poncin-Lafitte,Yveline Lebreton,T. Lebzelter,Silvio Leccia,N. Leclerc,Isabelle Lecoeur-Taïbi,Vincent Lemaitre,H. Lenhardt,F. Leroux,Shilong Liao,E. Licata,H. E. P. Lindstrøm,T. A. Lister,E. Livanou,Alex Lobel,W. Löffler,M. López,A. Lopez-Lozano,D. Lorenz,T. Loureiro,I. MacDonald,T. Magalhães Fernandes,S. Managau,Robert G. Mann,G. Mantelet,O. Marchal,Jon Marchant,Marcella Marconi,J. Marie,S. Marinoni,P. M. Marrese,G. Marschalkó,D. J. Marshall,J. M. Martín-Fleitas,M. Martino,Nicolas Mary,Gal Matijevic,Tsevi Mazeh,Paul J. McMillan,S. Messina,A. Mestre,Daniel Michalik,N. R. Millar,B. M. H. Miranda,D. Molina,Roberto Molinaro,Marco Molinaro,László Molnár,M. Moniez,Paolo Montegriffo,D. Monteiro,R. Mor,A. Mora,Roberto Morbidelli,Thierry Morel,Stephan Morgenthaler,T. Morley,Derek W. Morris,A. F. Mulone,Tatiana Muraveva,Ilaria Musella,J. Narbonne,Gijs Nelemans,Luciano Nicastro,L. Noval,C. Ordenovic,Joaquín Ordieres-Meré,P. Osborne,C. Pagani,Isabella Pagano,F. Pailler,H. Palacin,L. Palaversa,P. Parsons,T. Paulsen,M. Pecoraro,R. Pedrosa,H. Pentikäinen,J. Pereira,B. Pichon,A. M. Piersimoni,F. X. Pineau,Emese Plachy,G. Plum,E. Poujoulet,Andrej Prsa,L. Pulone,S. Ragaini,S. Rago,Nicolas Rambaux,M. Ramos-Lerate,Piero Ranalli,Grégor Rauw,A. M. Read,S. Regibo,F. Renk,Céline Reylé,Rita A. Ribeiro,Lorenzo Rimoldini,Vincenzo Ripepi,Alberto Riva,Guy Rixon,Maroussia Roelens,M. Romero-Gómez,Nicholas Rowell,Frédéric Royer,Anja Rudolph,L. Ruiz-Dern,G. Sadowski,T. Sagristà Sellés,Johannes Sahlmann,Jesus Salgado,E. Salguero,M. Sarasso,H. Savietto,A. Schnorhk,M. Schultheis,Eva Sciacca,M. Segol,J. C. Segovia,Damien Ségransan,E. Serpell,I.-C. Shih,Riccardo Smareglia,Richard L. Smart,Caleb Smith,Enrique Solano,F. Solitro,Rosanna Sordo,Sonia Nieto,J. Souchay,Alessandro Spagna,Federica Spoto,U. Stampa,Iain A. Steele,H. Steidelmüller,C.A. Stephenson,H. Stoev,F. F. Suess,Maria Süveges,Jean Surdej,László Szabados,E. Szegedi-Elek,D. Tapiador,F. Taris,G. Tauran,Mark Taylor,Ramachrisna Teixeira,D. Terrett,Brandon Tingley,Scott Trager,C. Turon,Ana Ulla,E. Utrilla,Gaetano Valentini,A. van Elteren,E. Van Hemelryck,M. van Leeuwen,M. Varadi,Alberto Vecchiato,Jovan Veljanoski,T. Via,D. Vicente,Steven S. Vogt,Holger Voss,Viktor Votruba,S. Voutsinas,G. Walmsley,M. Weiler,K. Weingrill,D. Werner,Thomas Wevers,G. Whitehead,Łukasz Wyrzykowski,A. Yoldas,M. Žerjal,Shay Zucker,C. Zurbach,Tomaz Zwitter,A. Alecu,M. Allen,C. Allende Prieto,António Amorim,Guillem Anglada-Escudé,V. Arsenijevic,S. Azaz,P. Balm,M. Beck,H.-H. Bernstein,Lionel Bigot,Albert Bijaoui,C. Blasco,M. Bonfigli,Giuseppe Bono,Steve Boudreault,Alessandro Bressan,S. Brown,P.-M. Brunet,P. S. Bunclark,R. Buonanno,A. G. Butkevich,C. Carret,C. Carrion,Laurent Chemin,F. Chéreau,Leonardo Corcione,E. Darmigny,K. S. de Boer,P. de Teodoro,P. T. de Zeeuw,C. Delle Luche,Catherine Dominguès,Pierre Dubath,F. Fodor,B. Frézouls,A. Fries,Diego Fustes,D. Fyfe,E. Gallardo,J. Gallegos,Daniele Gardiol,M. Gebran,A. Gomboc,A. E. Gomez,E. Grux,A. Gueguen,A. Heyrovsky,J. Hoar,G. Iannicola,Y. Isasi Parache,A.-M. Janotto,E. Joliet,A. Jonckheere,R. Keil,Dae-Won Kim,Peter Klagyivik,Joakim Klar,J. Knude,Oleg Kochukhov,I. Kolka,Janez Kos,A. Kutka,Valéry Lainey,D. LeBouquin,Chao Liu,Davide Loreggia,Valeri V. Makarov,M. Marseille,Christophe Martayan,O. Martinez-Rubi,B. Massart,F. Meynadier,Shan Mignot,Ulisse Munari,A.-T. Nguyen,Thomas Nordlander,P. Ocvirk,K. S. O'Flaherty,A. Olias Sanz,P. Ortiz,J. Osorio,Dagmara Oszkiewicz,A. Ouzounis,M. Palmer,P. Park,Ester Pasquato,C. Peltzer,J. Peralta,F. Péturaud,T. Pieniluoma,E. Pigozzi,J. Poels,G. Prat,Thibaut Prod'homme,F. Raison,José Manuel Rebordão,D. Risquez,Brigitte Rocca-Volmerange,Simon Rosen,M. I. Ruiz-Fuertes,Federico Russo,Steven Sembay,I. Serraller Vizcaino,A. Short,A. Siebert,H. Silva,D. Sinachopoulos,Eric Slezak,Michael Soffel,Danuta Sosnowska,V. Straižys,M. ter Linden,Dirk Terrell,Stephan Theil,C. Tiede,L. Troisi,P. Tsalmantza,D. Tur,Mattia Vaccari,Frédéric Vachier,P. Valles,W. Van Hamme,L. Veltz,Jenni Virtanen,J.-M. Wallut,R. Wichmann,Mark I. Wilkinson,H. Ziaeepour,Sven Zschocke +624 more
TL;DR: Gaia as discussed by the authors 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.
Journal ArticleDOI
Gaia Data Release 1 Summary of the astrometric, photometric, and survey properties
Anthony G. A. Brown,Antonella Vallenari,T. Prusti,J. H. J. de Bruijne,Francois Mignard,R. Drimmel,C. Babusiaux,Coryn A. L. Bailer-Jones,Ulrich Bastian,M. Biermann,D. W. Evans,L. Eyer,F. Jansen,Carme Jordi,D. Katz,Sergei A. Klioner,U. Lammers,Lennart Lindegren,Xavier Luri,William O'Mullane,C. Panem,Dimitri Pourbaix,Sofia Randich,P. Sartoretti,H. I. Siddiqui,Caroline Soubiran,V. Valette,F. van Leeuwen,Nicholas A. Walton,Conny Aerts,Frédéric Arenou,Mark Cropper,Erik Høg,M. G. Lattanzi,Eva K. Grebel,Andrew D. Holland,C. Huc,X. Passot,Michael Perryman,L. Bramante,C. Cacciari,J. Castañeda,L. Chaoul,N. Cheek,F. De Angeli,C. Fabricius,Raphael Guerra,Jonay I. González Hernández,A. Jean-Antoine-Piccolo,E. Masana,R. Messineo,Nami Mowlavi,Krzysztof Nienartowicz,D. Ordóñez-Blanco,P. Panuzzo,Jordi Portell,P. J. Richards,M. Riello,George M. Seabroke,Paolo Tanga,F. Thévenin,J. Torra,S. G. Els,G. Gracia-Abril,G. Comoretto,M. Garcia-Reinaldos,T. Lock,E. Mercier,Martin Altmann,Rene Andrae,Tri L. Astraatmadja,I. Bellas-Velidis,K. Benson,J. Berthier,R. Blomme,G. Busso,Benoit Carry,Alberto Cellino,G. Clementini,S. Cowell,O. Creevey,J. Cuypers,Michael Davidson,J. De Ridder,A. de Torres,Ludovic Delchambre,A. Dell'Oro,C. Ducourant,Yves Fremat,Miguel García-Torres,Eric Gosset,J.-L. Halbwachs,Nigel Hambly,D. L. Harrison,M. Hauser,Daniel Hestroffer,S. T. Hodgkin,H. Huckle,A. Hutton,Gérard Jasniewicz,S. Jordan,M. Kontizas,Andreas Korn,A. C. Lanzafame,Minia Manteiga,André Moitinho,Karri Muinonen,J. Osinde,Elena Pancino,T. Pauwels,J.-M. Petit,Alejandra Recio-Blanco,Annie C. Robin,L. M. Sarro,C. Siopis,M. J. S. Smith,K. W. Smith,Alessandro Sozzetti,William Thuillot,W. van Reeven,Y. Viala,Ummi Abbas,A. Abreu Aramburu,S. Accart,J.J. Aguado,P. M. Allan,Walter Allasia,G. Altavilla,M. A. Álvarez,João Alves,Richard I. Anderson,Alexandre Humberto Andrei,E. Anglada Varela,E. Antiche,Teresa Antoja,Sonia Anton,Bernardino Arcay,N. Bach,S. G. Baker,L. Balaguer-Núñez,C. Barache,C. Barata,A. Barbier,F. Barblan,D. Barrado y Navascues,M. Barros,M. A. Barstow,Ugo Becciani,Michele Bellazzini,A. Bello García,Vasily Belokurov,P. Bendjoya,A. Berihuete,Luciana Bianchi,Olivier Bienaymé,F. Billebaud,Nadejda Blagorodnova,S. Blanco-Cuaresma,T. Boch,Alex Bombrun,R. Borrachero,S. Bouquillon,G. Bourda,H. Bouy,Angela Bragaglia,Maarten A. Breddels,N. Brouillet,T. Brüsemeister,B. Bucciarelli,P. Burgess,R. Burgon,A. Burlacu,Deborah Busonero,R. Buzzi,Elisabetta Caffau,J. Cambras,H. Campbell,Rossella Cancelliere,Tristan Cantat-Gaudin,T. Carlucci,J. M. Carrasco,Marco Castellani,P. Charlot,J. Charnas,A. Chiavassa,M. Clotet,G. Cocozza,Ross Collins,G. Costigan,F. Crifo,Nicholas Cross,Mariateresa Crosta,C. Crowley,Carlos Dafonte,Yassine Damerdji,A. Dapergolas,P. David,M. David,P. De Cat,F. de Felice,P. de Laverny,F. De Luise,R. De March,D. de Martino,R. E. de Souza,Jonas Debosscher,E. del Pozo,Marco Delbo,A. Delgado,H. E. Delgado,P. Di Matteo,S. Diakite,E. Distefano,C. Dolding,S. dos Anjos,P. Drazinos,J. Durán,Y. Dzigan,Bengt Edvardsson,H. Enke,Nick Evans,G. Eynard Bontemps,C. Fabre,M. Fabrizio,Simchon Faigler,A. J. Falcão,M. Farràs Casas,L. Federici,Grigori Fedorets,J. Fernández-Hernández,P. Fernique,Agnes Fienga,F. Figueras,F. Filippi,K. Findeisen,A. Fonti,Morgan Fouesneau,E. Fraile,Morgan Fraser,J. Fuchs,Mario Gai,S. Galleti,Laurent Galluccio,D. Garabato,F. García-Sedano,A. Garofalo,N. Garralda,P. Gavras,J. Gerssen,R. Geyer,Gerard Gilmore,S. Girona,G. Giuffrida,M. Gomes,Ana González-Marcos,J. González-Núñez,J.J. González-Vidal,Mikael Granvik,A. Guerrier,Patrick Guillout,J. Guiraud,A. Gúrpide,R. Gutiérrez-Sánchez,Leanne P. Guy,R. Haigron,Despina Hatzidimitriou,M. Haywood,Ulrike Heiter,Amina Helmi,David Hobbs,W. Hofmann,B. Holl,G. Holland,Julie Ann Hunt,A. Hypki,V. Icardi,M. Irwin,G. Jevardat de Fombelle,Paula Jofre,P. G. Jonker,Alain Jorissen,F. Julbe,A. Karampelas,A. Kochoska,R. Kohley,Katrien Kolenberg,E. Kontizas,Sergey E. Koposov,Georges Kordopatis,P. Koubsky,Alberto Krone-Martins,Maria Kudryashova,I. Kull,R. K. Bachchan,F. Lacoste-Seris,Antonino F. Lanza,J.-B. Lavigne,C. Le Poncin-Lafitte,Yveline Lebreton,Thomas Lebzelter,S. Leccia,N. Leclerc,Isabelle Lecoeur-Taïbi,V. Lemaitre,H. Lenhardt,F. Leroux,Shilong Liao,E. Licata,H. E. P. Lindstrøm,T. A. Lister,E. Livanou,A. Lobel,W. Löffler,M. López,D. Lorenz,I. MacDonald,T. Magalhães Fernandes,S. Managau,Robert G. Mann,G. Mantelet,O. Marchal,Jon Marchant,Marcella Marconi,S. Marinoni,P. M. Marrese,G. Marschalkó,D. J. Marshall,J. M. Martín-Fleitas,Mario Di Martino,Nicolas Mary,G. Matijevič,Tsevi Mazeh,Paul J. McMillan,S. Messina,D. Michalik,N.R. Millar,B. M. H. Miranda,D. Molina,Roberto Molinaro,M. Molinaro,L. Molnár,M. Moniez,P. Montegriffo,R. Mor,A. Mora,R. Morbidelli,Thierry Morel,Stephan Morgenthaler,D. Morris,A.F. Mulone,Tatiana Muraveva,Ilaria Musella,J. Narbonne,Gijs Nelemans,Luciano Nicastro,L. Noval,C. Ordénovic,Joaquín Ordieres-Meré,P. Osborne,C. Pagani,I. Pagano,F. Pailler,H. Palacin,L. Palaversa,P. Parsons,M. Pecoraro,R. Pedrosa,H. Pentikäinen,B. Pichon,A. M. Piersimoni,F.-X. Pineau,E. Plachy,G. Plum,E. Poujoulet,A. Prša,L. Pulone,S. Ragaini,S. Rago,Nicolas Rambaux,M. Ramos-Lerate,Piero Ranalli,Gregor Rauw,A. Read,S. Regibo,Céline Reylé,Rita A. Ribeiro,L. Rimoldini,Vincenzo Ripepi,A. Riva,G. Rixon,M. Roelens,M. Romero-Gómez,Nicholas Rowell,F. Royer,L. Ruiz-Dern,G. Sadowski,T. Sagristà Sellés,Johannes Sahlmann,Jesus Salgado,E. Salguero,M. Sarasso,H. Savietto,Mathias Schultheis,Eva Sciacca,M. Segol,J. C. Segovia,D. Segransan,I.-C. Shih,Riccardo Smareglia,Richard L. Smart,E. Solano,F. Solitro,R. Sordo,Sonia Nieto,J. Souchay,Alessandro Spagna,Federica Spoto,U. Stampa,Iain A. Steele,H. Steidelmüller,C. A. Stephenson,H. Stoev,F. F. Suess,M. Süveges,Jean Surdej,Laszlo Szabados,E. Szegedi-Elek,D. Tapiador,Francois Taris,G. Tauran,Mark Taylor,R. Teixeira,D. Terrett,Brandon Tingley,Scott Trager,C. Turon,Ana Ulla,E. Utrilla,G. Valentini,A. van Elteren,E. Van Hemelryck,M. van Leeuwen,M. Varadi,Alberto Vecchiato,Jovan Veljanoski,T. Via,D. Vicente,Steven S. Vogt,H. Voss,V. Votruba,S. Voutsinas,G. Walmsley,M. Weiler,K. Weingrill,Thomas Wevers,Łukasz Wyrzykowski,A. Yoldas,M. Žerjal,Shay Zucker,C. Zurbach,T. Zwitter,A. Alecu,M. Allen,C. Allende Prieto,António Amorim,Guillem Anglada-Escudé,V. Arsenijevic,S. Azaz,P. Balm,Mattias Beck,H. H. Bernstein,Lionel Bigot,A. Bijaoui,C. Blasco,M. Bonfigli,Giuseppe Bono,Steve Boudreault,Alessandro Bressan,Sally Brown,P.-M. Brunet,P. Bunclark,R. Buonanno,A. G. Butkevich,C. Carret,C. Carrion,L. Chemin,F. Chéreau,Leonardo Corcione,E. Darmigny,K. S. de Boer,P. de Teodoro,P. T. de Zeeuw,C. Delle Luche,Catherine Dominguès,P. Dubath,F. Fodor,B. Frézouls,A. Fries,D. Fustes,D. Fyfe,E. Gallardo,J. Gallegos,D. Gardiol,M. Gebran,A. Gomboc,A. E. Gomez,E. Grux,A. Gueguen,A. Heyrovsky,J. Hoar,G. Iannicola,Y. Isasi Parache,A.-M. Janotto,E. Joliet,A. Jonckheere,R. Keil,Dae-Won Kim,P. Klagyivik,Joakim Klar,J. Knude,Oleg Kochukhov,I. Kolka,J. Kos,A. Kutka,Valéry Lainey,D. LeBouquin,C. Liu,Davide Loreggia,Valeri V. Makarov,M. G. Marseille,Christophe Martayan,O. Martinez-Rubi,B. Massart,F. Meynadier,S. Mignot,Ulisse Munari,A.-T. Nguyen,Thomas Nordlander,P. Ocvirk,K. S. O'Flaherty,A. Olias Sanz,P. Ortiz,J. Osorio,Dagmara Oszkiewicz,A. Ouzounis,M. Palmer,P. Park,E. Pasquato,C. Peltzer,J. Peralta,F. Péturaud,T. Pieniluoma,E. Pigozzi,J. Poels,G. Prat,T. Prod'homme,F. Raison,José Manuel Rebordão,D. Risquez,B. Rocca-Volmerange,Stefan Rosén,M. I. Ruiz-Fuertes,Federico Russo,Steven Sembay,I. Serraller Vizcaino,A. Short,A. Siebert,H. Silva,D. Sinachopoulos,E. Slezak,M. Soffel,D. Sosnowska,V. Straižys,M. ter Linden,Dirk Terrell,Stephan Theil,C. Tiede,L. Troisi,P. Tsalmantza,D. Tur,Mattia Vaccari,Frédéric Vachier,P. Valles,W. Van Hamme,L. Veltz,Jenni Virtanen,J.-M. Wallut,R. Wichmann,Mark I. Wilkinson,H. Ziaeepour,Sven Zschocke +590 more
TL;DR: The first Gaia data release, Gaia DR1 as discussed by the authors, consists of three components: a primary astrometric data set which contains the positions, parallaxes, and mean proper motions for about 2 million of the brightest stars in common with the Hipparcos and Tycho-2 catalogues.
Journal ArticleDOI
Gaia Data Release 2: The astrometric solution
Lennart Lindegren,Jose M Hernandez,Alex Bombrun,Sergei A. Klioner,Ulrich Bastian,M. Ramos-Lerate,A. de Torres,H. Steidelmüller,C.A. Stephenson,David Hobbs,U. Lammers,M. Biermann,R. Geyer,Thomas Hilger,Daniel Michalik,U. Stampa,Paul J. McMillan,J. Castañeda,M. Clotet,G. Comoretto,Michael Davidson,C. Fabricius,G. Gracia,Nigel Hambly,A. Hutton,A. Mora,Jordi Portell,F. van Leeuwen,U. Abbas,A. Abreu,Martin Altmann,Martin Altmann,Alexandre Humberto Andrei,E. Anglada,L. Balaguer-Núñez,C. Barache,Ugo Becciani,Stefano Bertone,Stefano Bertone,Luciana Bianchi,S. Bouquillon,Geraldine Bourda,T. Brüsemeister,Beatrice Bucciarelli,D. Busonero,R. Buzzi,Rossella Cancelliere,T. Carlucci,Patrick Charlot,N. Cheek,Mariateresa Crosta,C. Crowley,J. H. J. de Bruijne,F. de Felice,R. Drimmel,P. Esquej,Agnes Fienga,E. Fraile,Mario Gai,N. Garralda,J.J. González-Vidal,Raphael Guerra,M. Hauser,M. Hauser,Werner Hofmann,B. Holl,Stefan Jordan,Mario G. Lattanzi,H. Lenhardt,S. Liao,E. Licata,Tim Lister,W. Löffler,Jon Marchant,J. M. Martín-Fleitas,R. Messineo,Francois Mignard,Roberto Morbidelli,E. Poggio,Alberto Riva,Nicholas Rowell,E. Salguero,M. Sarasso,Eva Sciacca,H. I. Siddiqui,Richard L. Smart,Alessandro Spagna,Iain A. Steele,F. Taris,J. Torra,A. van Elteren,W. van Reeven,Alberto Vecchiato +92 more
TL;DR: In this article, the authors describe the input data, models, and processing used for the astrometric content of Gaia DR2, and the validation of these results performed within the ASTR task.
Journal ArticleDOI
Gaia Data Release 1 - Astrometry: one billion positions, two million proper motions and parallaxes
Lennart Lindegren,U. Lammers,Ulrich Bastian,Jose M Hernandez,Sergei A. Klioner,David Hobbs,Alex Bombrun,Daniel Michalik,M. Ramos-Lerate,A. G. Butkevich,G. Comoretto,E. Joliet,Berry Holl,A. Hutton,P. Parsons,H. Steidelmüller,U. Abbas,Martin Altmann,Martin Altmann,Alexandre Humberto Andrei,Sonia Anton,N. Bach,C. Barache,Ugo Becciani,Jérôme Berthier,Luciana Bianchi,M. Biermann,S. Bouquillon,G. Bourda,T. Brüsemeister,Beatrice Bucciarelli,D. Busonero,T. Carlucci,J. Castañeda,Patrick Charlot,M. Clotet,Maria Teresa Crosta,Michael Davidson,F. de Felice,R. Drimmel,C. Fabricius,Agnes Fienga,F. Figueras,E. Fraile,Mario Gai,N. Garralda,R. Geyer,J.J. González-Vidal,Raphael Guerra,Nigel Hambly,M. Hauser,Stefan Jordan,Mario G. Lattanzi,H. Lenhardt,S. Liao,W. Löffler,Paul J. McMillan,Francois Mignard,A. Mora,Roberto Morbidelli,Jordi Portell,Alberto Riva,M. Sarasso,I. Serraller,H. I. Siddiqui,Richard L. Smart,Alessandro Spagna,U. Stampa,Iain A. Steele,F. Taris,J. Torra,W. van Reeven,Alberto Vecchiato,Sven Zschocke,J. H. J. de Bruijne,G. Gracia,F. Raison,Tim Lister,Jon Marchant,R. Messineo,Michael Soffel,J. Osorio,A. de Torres,William O'Mullane +83 more
TL;DR: Gaia Data Release 1 (Gaia DR1) as discussed by the authors contains a large amount of data collected by the Gaia satellite during the first 14 months of its operational phase, including positions, parallaxes, and proper motions to Hipparcos-type precision or better.
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First year of the Gaia Science Alerts
TL;DR: In this paper, the authors describe the near real-time Gaia data processing pipeline for anomaly detection, show first scientific results from years 2014/2015 and describe the organization of the ground-based network for the photometric and spectroscopic follow-up of Gaia alerts.
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The Gaia mission
T. Prusti,J. H. J. de Bruijne,Anthony G. A. Brown,Antonella Vallenari,C. Babusiaux,C. A. L. Bailer-Jones,Ulrich Bastian,M. Biermann,D. W. Evans,L. Eyer,F. A. Jansen,Carme Jordi,Sergei A. Klioner,Uwe Lammers,Lennart Lindegren,Xavier Luri,Francois Mignard,D. J. Milligan,C. Panem,V. Poinsignon,Dimitri Pourbaix,Sofia Randich,G. Sarri,P. Sartoretti,H. I. Siddiqui,Caroline Soubiran,V. Valette,F. van Leeuwen,N. A. Walton,Conny Aerts,Frédéric Arenou,Mark Cropper,R. Drimmel,Erik Høg,D. Katz,Mario G. Lattanzi,W. O'Mullane,Eva K. Grebel,Andrew D. Holland,C. Huc,X. Passot,L. Bramante,Carla Cacciari,J. Castañeda,L. Chaoul,N. Cheek,F. De Angeli,C. Fabricius,Raphael Guerra,Jose M Hernandez,A. Jean-Antoine-Piccolo,Eduard Masana,R. Messineo,Nami Mowlavi,Krzysztof Nienartowicz,D. Ordóñez-Blanco,Pasquale Panuzzo,Jordi Portell,P. J. Richards,M. Riello,George M. Seabroke,Paolo Tanga,F. Thévenin,J. Torra,Sebastian Els,G. Gracia-Abril,G. Comoretto,M. Garcia-Reinaldos,T. Lock,E. Mercier,Martin Altmann,Rene Andrae,Tri L. Astraatmadja,I. Bellas-Velidis,Kevin Benson,Jérôme Berthier,R. Blomme,G. Busso,Benoit Carry,Alberto Cellino,Gisella Clementini,S. Cowell,O. L. Creevey,J. Cuypers,Michael Davidson,J. De Ridder,A. de Torres,Ludovic Delchambre,Aldo Dell'Oro,C. Ducourant,Yves Fremat,Miguel García-Torres,Eric Gosset,J. L. Halbwachs,Nigel Hambly,D. L. Harrison,M. Hauser,Daniel Hestroffer,Simon Hodgkin,H. E. Huckle,A. Hutton,Gérard Jasniewicz,Stefan Jordan,M. Kontizas,Andreas Korn,A. C. Lanzafame,Minia Manteiga,André Moitinho,Karri Muinonen,J. Osinde,Elena Pancino,T. Pauwels,J. M. Petit,Alejandra Recio-Blanco,Annie C. Robin,L. M. Sarro,Christos Siopis,M. J. S. Smith,K. W. Smith,Alessandro Sozzetti,William Thuillot,W. van Reeven,Y. Viala,Ummi Abbas,A. Abreu Aramburu,S. Accart,J. J. Aguado,P. M. Allan,Walter Allasia,G. Altavilla,M. A. Álvarez,João Alves,Richard I. Anderson,Alexandre Humberto Andrei,E. Anglada Varela,E. Antiche,Teresa Antoja,Sonia Anton,Bernardino Arcay,A. Atzei,L. Ayache,N. Bach,S. G. Baker,L. Balaguer-Núñez,Christophe Barache,C. Barata,Antoine Barbier,F. Barblan,M. Baroni,D. Barrado y Navascués,M. Barros,Martin A. Barstow,Ugo Becciani,Michele Bellazzini,G. Bellei,A. Bello García,Vasily Belokurov,Philippe Bendjoya,A. Berihuete,Luciana Bianchi,Olivier Bienaymé,F. Billebaud,Nadejda Blagorodnova,S. Blanco-Cuaresma,T. Boch,Alex Bombrun,R. Borrachero,S. Bouquillon,G. Bourda,Hervé Bouy,Angela Bragaglia,Maarten A. Breddels,N. Brouillet,T. Brüsemeister,Beatrice Bucciarelli,F. Budnik,P. Burgess,R. Burgon,A. Burlacu,Deborah Busonero,R. Buzzi,Elisabetta Caffau,J. Cambras,Heather Campbell,Rossella Cancelliere,Tristan Cantat-Gaudin,T. Carlucci,J. M. Carrasco,Marco Castellani,P. Charlot,J. Charnas,P. Charvet,F. Chassat,Andrea Chiavassa,M. Clotet,G. Cocozza,Ross Collins,P. Collins,G. Costigan,F. Crifo,Nicholas Cross,Mariateresa Crosta,C. Crowley,Carlos Dafonte,Yassine Damerdji,A. Dapergolas,P. David,M. David,P. De Cat,F. de Felice,P. de Laverny,F. De Luise,R. De March,D. de Martino,R. E. de Souza,Jonas Debosscher,E. del Pozo,Marco Delbo,A. Delgado,H. E. Delgado,F. di Marco,P. Di Matteo,S. Diakite,Elisa Distefano,C. Dolding,S. dos Anjos,P. Drazinos,J. Durán,Y. Dzigan,E. Ecale,Bengt Edvardsson,Harry Enke,M. Erdmann,D. Escolar,M. Espina,Nick Evans,G. Eynard Bontemps,C. Fabre,M. Fabrizio,Simchon Faigler,A. J. Falcão,M. Farràs Casas,F. Faye,Luciana Federici,Grigori Fedorets,J. Fernández-Hernández,Pierre Fernique,Agnes Fienga,Francesca Figueras,F. Filippi,K. Findeisen,A. Fonti,Morgan Fouesneau,E. Fraile,Morgan Fraser,J. Fuchs,R. Furnell,Mario Gai,S. Galleti,Laurent Galluccio,D. Garabato,F. García-Sedano,P. Gare,A. Garofalo,N. Garralda,P. Gavras,J. Gerssen,R. Geyer,Gerry Gilmore,S. Girona,G. Giuffrida,M. Gomes,Ana González-Marcos,J. González-Núñez,J. J. González-Vidal,Mikael Granvik,A. Guerrier,Patrick Guillout,J. Guiraud,A. Gúrpide,R. Gutiérrez-Sánchez,Leanne P. Guy,R. Haigron,Despina Hatzidimitriou,Misha Haywood,Ulrike Heiter,Amina Helmi,David Hobbs,W. Hofmann,B. Holl,G. Holland,Julie Ann Hunt,A. Hypki,V. Icardi,Mike Irwin,G. Jevardat de Fombelle,Paula Jofre,Peter G. Jonker,Alain Jorissen,F. Julbe,A. Karampelas,A. Kochoska,R. Kohley,Katrien Kolenberg,E. Kontizas,Sergey E. Koposov,Georges Kordopatis,P. Koubsky,A. Kowalczyk,Alberto Krone-Martins,M. Kudryashova,I. Kull,R. K. Bachchan,F. Lacoste-Seris,Antonino F. Lanza,J.-B. Lavigne,C. Le Poncin-Lafitte,Yveline Lebreton,T. Lebzelter,Silvio Leccia,N. Leclerc,Isabelle Lecoeur-Taïbi,Vincent Lemaitre,H. Lenhardt,F. Leroux,Shilong Liao,E. Licata,H. E. P. Lindstrøm,T. A. Lister,E. Livanou,Alex Lobel,W. Löffler,M. López,A. Lopez-Lozano,D. Lorenz,T. Loureiro,I. MacDonald,T. Magalhães Fernandes,S. Managau,Robert G. Mann,G. Mantelet,O. Marchal,Jon Marchant,Marcella Marconi,J. Marie,S. Marinoni,P. M. Marrese,G. Marschalkó,D. J. Marshall,J. M. Martín-Fleitas,M. Martino,Nicolas Mary,Gal Matijevic,Tsevi Mazeh,Paul J. McMillan,S. Messina,A. Mestre,Daniel Michalik,N. R. Millar,B. M. H. Miranda,D. Molina,Roberto Molinaro,Marco Molinaro,László Molnár,M. Moniez,Paolo Montegriffo,D. Monteiro,R. Mor,A. Mora,Roberto Morbidelli,Thierry Morel,Stephan Morgenthaler,T. Morley,Derek W. Morris,A. F. Mulone,Tatiana Muraveva,Ilaria Musella,J. Narbonne,Gijs Nelemans,Luciano Nicastro,L. Noval,C. Ordenovic,Joaquín Ordieres-Meré,P. Osborne,C. Pagani,Isabella Pagano,F. Pailler,H. Palacin,L. Palaversa,P. Parsons,T. Paulsen,M. Pecoraro,R. Pedrosa,H. Pentikäinen,J. Pereira,B. Pichon,A. M. Piersimoni,F. X. Pineau,Emese Plachy,G. Plum,E. Poujoulet,Andrej Prsa,L. Pulone,S. Ragaini,S. Rago,Nicolas Rambaux,M. Ramos-Lerate,Piero Ranalli,Grégor Rauw,A. M. Read,S. Regibo,F. Renk,Céline Reylé,Rita A. Ribeiro,Lorenzo Rimoldini,Vincenzo Ripepi,Alberto Riva,Guy Rixon,Maroussia Roelens,M. Romero-Gómez,Nicholas Rowell,Frédéric Royer,Anja Rudolph,L. Ruiz-Dern,G. Sadowski,T. Sagristà Sellés,Johannes Sahlmann,Jesus Salgado,E. Salguero,M. Sarasso,H. Savietto,A. Schnorhk,M. Schultheis,Eva Sciacca,M. Segol,J. C. Segovia,Damien Ségransan,E. Serpell,I.-C. Shih,Riccardo Smareglia,Richard L. Smart,Caleb Smith,Enrique Solano,F. Solitro,Rosanna Sordo,Sonia Nieto,J. Souchay,Alessandro Spagna,Federica Spoto,U. Stampa,Iain A. Steele,H. Steidelmüller,C.A. Stephenson,H. Stoev,F. F. Suess,Maria Süveges,Jean Surdej,László Szabados,E. Szegedi-Elek,D. Tapiador,F. Taris,G. Tauran,Mark Taylor,Ramachrisna Teixeira,D. Terrett,Brandon Tingley,Scott Trager,C. Turon,Ana Ulla,E. Utrilla,Gaetano Valentini,A. van Elteren,E. Van Hemelryck,M. van Leeuwen,M. Varadi,Alberto Vecchiato,Jovan Veljanoski,T. Via,D. Vicente,Steven S. Vogt,Holger Voss,Viktor Votruba,S. Voutsinas,G. Walmsley,M. Weiler,K. Weingrill,D. Werner,Thomas Wevers,G. Whitehead,Łukasz Wyrzykowski,A. Yoldas,M. Žerjal,Shay Zucker,C. Zurbach,Tomaz Zwitter,A. Alecu,M. Allen,C. Allende Prieto,António Amorim,Guillem Anglada-Escudé,V. Arsenijevic,S. Azaz,P. Balm,M. Beck,H.-H. Bernstein,Lionel Bigot,Albert Bijaoui,C. Blasco,M. Bonfigli,Giuseppe Bono,Steve Boudreault,Alessandro Bressan,S. Brown,P.-M. Brunet,P. S. Bunclark,R. Buonanno,A. G. Butkevich,C. Carret,C. Carrion,Laurent Chemin,F. Chéreau,Leonardo Corcione,E. Darmigny,K. S. de Boer,P. de Teodoro,P. T. de Zeeuw,C. Delle Luche,Catherine Dominguès,Pierre Dubath,F. Fodor,B. Frézouls,A. Fries,Diego Fustes,D. Fyfe,E. Gallardo,J. Gallegos,Daniele Gardiol,M. Gebran,A. Gomboc,A. E. Gomez,E. Grux,A. Gueguen,A. Heyrovsky,J. Hoar,G. Iannicola,Y. Isasi Parache,A.-M. Janotto,E. Joliet,A. Jonckheere,R. Keil,Dae-Won Kim,Peter Klagyivik,Joakim Klar,J. Knude,Oleg Kochukhov,I. Kolka,Janez Kos,A. Kutka,Valéry Lainey,D. LeBouquin,Chao Liu,Davide Loreggia,Valeri V. Makarov,M. Marseille,Christophe Martayan,O. Martinez-Rubi,B. Massart,F. Meynadier,Shan Mignot,Ulisse Munari,A.-T. Nguyen,Thomas Nordlander,P. Ocvirk,K. S. O'Flaherty,A. Olias Sanz,P. Ortiz,J. Osorio,Dagmara Oszkiewicz,A. Ouzounis,M. Palmer,P. Park,Ester Pasquato,C. Peltzer,J. Peralta,F. Péturaud,T. Pieniluoma,E. Pigozzi,J. Poels,G. Prat,Thibaut Prod'homme,F. Raison,José Manuel Rebordão,D. Risquez,Brigitte Rocca-Volmerange,Simon Rosen,M. I. Ruiz-Fuertes,Federico Russo,Steven Sembay,I. Serraller Vizcaino,A. Short,A. Siebert,H. Silva,D. Sinachopoulos,Eric Slezak,Michael Soffel,Danuta Sosnowska,V. Straižys,M. ter Linden,Dirk Terrell,Stephan Theil,C. Tiede,L. Troisi,P. Tsalmantza,D. Tur,Mattia Vaccari,Frédéric Vachier,P. Valles,W. Van Hamme,L. Veltz,Jenni Virtanen,J.-M. Wallut,R. Wichmann,Mark I. Wilkinson,H. Ziaeepour,Sven Zschocke +624 more
Gaia Data Release 1 - Astrometry: one billion positions, two million proper motions and parallaxes
Lennart Lindegren,U. Lammers,Ulrich Bastian,Jose M Hernandez,Sergei A. Klioner,David Hobbs,Alex Bombrun,Daniel Michalik,M. Ramos-Lerate,A. G. Butkevich,G. Comoretto,E. Joliet,Berry Holl,A. Hutton,P. Parsons,H. Steidelmüller,U. Abbas,Martin Altmann,Martin Altmann,Alexandre Humberto Andrei,Sonia Anton,N. Bach,C. Barache,Ugo Becciani,Jérôme Berthier,Luciana Bianchi,M. Biermann,S. Bouquillon,G. Bourda,T. Brüsemeister,Beatrice Bucciarelli,D. Busonero,T. Carlucci,J. Castañeda,Patrick Charlot,M. Clotet,Maria Teresa Crosta,Michael Davidson,F. de Felice,R. Drimmel,C. Fabricius,Agnes Fienga,F. Figueras,E. Fraile,Mario Gai,N. Garralda,R. Geyer,J.J. González-Vidal,Raphael Guerra,Nigel Hambly,M. Hauser,Stefan Jordan,Mario G. Lattanzi,H. Lenhardt,S. Liao,W. Löffler,Paul J. McMillan,Francois Mignard,A. Mora,Roberto Morbidelli,Jordi Portell,Alberto Riva,M. Sarasso,I. Serraller,H. I. Siddiqui,Richard L. Smart,Alessandro Spagna,U. Stampa,Iain A. Steele,F. Taris,J. Torra,W. van Reeven,Alberto Vecchiato,Sven Zschocke,J. H. J. de Bruijne,G. Gracia,F. Raison,Tim Lister,Jon Marchant,R. Messineo,Michael Soffel,J. Osorio,A. de Torres,William O'Mullane +83 more
Gaia Data Release 2. Summary of the contents and survey properties
Anthony G. A. Brown,Antonella Vallenari,T. Prusti,J. H. J. de Bruijne,C. Babusiaux,Coryn A. L. Bailer-Jones,M. Biermann,D. W. Evans,L. Eyer,F. Jansen,Carme Jordi,Sergei A. Klioner,U. Lammers,Lennart Lindegren,Xavier Luri,Francois Mignard,C. Panem,Dimitri Pourbaix,Sofia Randich,P. Sartoretti,H. I. Siddiqui,Caroline Soubiran,F. van Leeuwen,Nicholas A. Walton,Frédéric Arenou,Ulrich Bastian,Mark Cropper,R. Drimmel,D. Katz,M. G. Lattanzi,Joost M. Bakker,C. Cacciari,J. Castañeda,L. Chaoul,N. Cheek,F. De Angeli,C. Fabricius,Raphael Guerra,B. Holl,E. Masana,R. Messineo,Nami Mowlavi,K. Nienartowicz,P. Panuzzo,J. Portell,M. Riello,George M. Seabroke,Paolo Tanga,F. Thévenin,G. Gracia-Abril,G. Comoretto,M. Garcia-Reinaldos,D. Teyssier,Martin Altmann,Rene Andrae,M. Audard,I. Bellas-Velidis,K. Benson,Jérôme Berthier,R. Blomme,P. Burgess,G. Busso,Benoit Carry,Alberto Cellino,G. Clementini,M. Clotet,O. Creevey,M. Davidson,J. De Ridder,Ludovic Delchambre,A. Dell'Oro,C. Ducourant,J. Fernández-Hernández,Morgan Fouesneau,Yves Fremat,Laurent Galluccio,Miguel García-Torres,J. González-Núñez,J. J. González-Vidal,Eric Gosset,Leanne P. Guy,J.-L. Halbwachs,Nigel Hambly,D. L. Harrison,Jose M Hernandez,Daniel Hestroffer,S. T. Hodgkin,A. Hutton,G. Jasniewicz,A. Jean-Antoine-Piccolo,Stefan Jordan,Andreas Korn,Alberto Krone-Martins,A. C. Lanzafame,T. Lebzelter,W. Löffler,Minia Manteiga,P. M. Marrese,J. M. Martín-Fleitas,André Moitinho,A. Mora,Karri Muinonen,J. Osinde,E. Pancino,T. Pauwels,J.-M. Petit,Alejandra Recio-Blanco,P. J. Richards,L. Rimoldini,Annie C. Robin,L. M. Sarro,Christos Siopis,M. J. S. Smith,Alessandro Sozzetti,Maria Süveges,J. Torra,W. van Reeven,U. Abbas,A. Abreu Aramburu,S. Accart,Conny Aerts,G. Altavilla,M. A. Álvarez,R. Alvarez,João Alves,Richard I. Anderson,Alexandre Humberto Andrei,E. Anglada Varela,E. Antiche,Teresa Antoja,Bernardino Arcay,Tri L. Astraatmadja,N. Bach,S. G. Baker,L. Balaguer-Núñez,P. Balm,C. Barache,C. Barata,D. Barbato,F. Barblan,Paul S. Barklem,David Barrado,M. Barros,M. A. Barstow,S. Bartholomé Muñoz,J.-L. Bassilana,Ugo Becciani,M. Bellazzini,A. Berihuete,Stefano Bertone,Luciana Bianchi,O. Bienaymé,S. Blanco-Cuaresma,T. Boch,C. Boeche,Alex Bombrun,R. Borrachero,Diego Bossini,S. Bouquillon,G. Bourda,Angela Bragaglia,L. Bramante,Maarten A. Breddels,Alessandro Bressan,N. Brouillet,T. Brüsemeister,E. Brugaletta,B. Bucciarelli,A. Burlacu,D. Busonero,A. G. Butkevich,R. Buzzi,Elisabetta Caffau,R. Cancelliere,G. Cannizzaro,Tristan Cantat-Gaudin,R. Carballo,T. Carlucci,J. M. Carrasco,Laia Casamiquela,Marco Castellani,Alfred Castro-Ginard,P. Charlot,L. Chemin,Andrea Chiavassa,G. Cocozza,G. Costigan,S. Cowell,F. Crifo,M. Crosta,C. Crowley,J. Cuypers,Carlos Dafonte,Yassine Damerdji,A. Dapergolas,P. David,M. David,P. de Laverny,F. De Luise,R. De March,D. de Martino,R. S. de Souza,A. de Torres,J. Debosscher,E. del Pozo,Marco Delbo,A. Delgado,H. E. Delgado,P. Di Matteo,S. Diakite,C. Diener,E. Distefano,C. Dolding,P. Drazinos,J. Durán,B. Edvardsson,H. Enke,K. Eriksson,P. Esquej,G. Eynard Bontemps,C. Fabre,M. Fabrizio,S. Faigler,A. J. Falcão,M. Farràs Casas,L. Federici,Grigori Fedorets,P. Fernique,F. Figueras,Francesco Filippi,K. Findeisen,A. Fonti,E. Fraile,Morgan Fraser,B. Frézouls,Mario Gai,S. Galleti,D. Garabato,F. García-Sedano,A. Garofalo,N. Garralda,A. Gavel,P. Gavras,J. Gerssen,R. Geyer,P. Giacobbe,Gerard Gilmore,S. Girona,G. Giuffrida,F. Glass,M. Gomes,Mikael Granvik,A. Gueguen,A. Guerrier,J. Guiraud,R. Gutiérrez-Sánchez,R. Haigron,Despina Hatzidimitriou,M. Hauser,M. Haywood,Ulrike Heiter,Amina Helmi,J. Heu,Thomas Hilger,David Hobbs,Werner Hofmann,G. Holland,H. E. Huckle,A. Hypki,V. Icardi,K. Janßen,G. Jevardat de Fombelle,Peter G. Jonker,Attila Juhasz,F. Julbe,A. Karampelas,A. Kewley,Joakim Klar,A. Kochoska,R. Kohley,K. Kolenberg,M. Kontizas,E. Kontizas,Sergey E. Koposov,Georges Kordopatis,Z. Kostrzewa-Rutkowska,P. Koubsky,Sébastien Lambert,Antonino F. Lanza,Y. Lasne,J.-B. Lavigne,Y. Le Fustec,C. Le Poncin-Lafitte,Yveline Lebreton,S. Leccia,N. Leclerc,I. Lecoeur-Taïbi,H. Lenhardt,F. Leroux,S. Liao,E. Licata,H. E. P. Lindstrøm,T. A. Lister,E. Livanou,A. Lobel,M. López,S. Managau,Robert G. Mann,G. Mantelet,O. Marchal,Jon Marchant,Marcella Marconi,S. Marinoni,G. Marschalkó,D. J. Marshall,M. Martino,Gábor Marton,Nicolas Mary,Davide Massari,G. Matijevič,Tsevi Mazeh,Paul J. McMillan,S. Messina,D. Michalik,N. R. Millar,D. Molina,R. Molinaro,L. Molnár,P. Montegriffo,R. Mor,R. Morbidelli,Thierry Morel,D. Morris,A. F. Mulone,T. Muraveva,I. Musella,Gijs Nelemans,Luciano Nicastro,L. Noval,W. O'Mullane,C. Ordénovic,D. Ordóñez-Blanco,P. Osborne,C. Pagani,I. Pagano,F. Pailler,H. Palacin,L. Palaversa,A. Panahi,Michał Pawlak,A. M. Piersimoni,F.-X. Pineau,E. Plachy,G. Plum,E. Poggio,E. Poujoulet,A. Prša,L. Pulone,E. Racero,S. Ragaini,N. Rambaux,M. Ramos-Lerate,S. Regibo,Céline Reylé,F. Riclet,V. Ripepi,A. Riva,A. Rivard,G. Rixon,T. Roegiers,M. Roelens,M. Romero-Gómez,Nicholas Rowell,F. Royer,L. Ruiz-Dern,G. Sadowski,T. Sagristà Sellés,Johannes Sahlmann,J. Salgado,E. Salguero,Nicoletta Sanna,Toni Santana-Ros,M. Sarasso,H. Savietto,M. Schultheis,Eva Sciacca,M. Segol,J. C. Segovia,Damien Ségransan,I.-C. Shih,L. Siltala,A. F. Silva,Richard L. Smart,K. W. Smith,E. Solano,F. Solitro,R. Sordo,Sonia Nieto,J. Souchay,A. Spagna,Federica Spoto,U. Stampa,Iain A. Steele,H. Steidelmüller,C. A. Stephenson,H. Stoev,F. F. Suess,Jean Surdej,Laszlo Szabados,E. Szegedi-Elek,D. Tapiador,F. Taris,G. Tauran,M. B. Taylor,Ramachrisna Teixeira,D. Terrett,P. Teyssandier,W. Thuillot,A. Titarenko,F. Torra Clotet,C. Turon,A. Ulla,E. Utrilla,S. Uzzi,M. Vaillant,G. Valentini,V. Valette,A. van Elteren,E. Van Hemelryck,M. van Leeuwen,M. Vaschetto,Alberto Vecchiato,Jovan Veljanoski,Y. Viala,D. Vicente,Steven S. Vogt,C. von Essen,H. Voss,V. Votruba,S. Voutsinas,G. Walmsley,M. Weiler,O. Wertz,T. Wevers,Łukasz Wyrzykowski,A. Yoldas,M. Žerjal,H. Ziaeepour,J. Zorec,Sven Zschocke,Shay Zucker,C. Zurbach,T. Zwitter +452 more
Gaia Data Release 2: The astrometric solution
Lennart Lindegren,Jose M Hernandez,Alex Bombrun,Sergei A. Klioner,Ulrich Bastian,M. Ramos-Lerate,A. de Torres,H. Steidelmüller,C.A. Stephenson,David Hobbs,U. Lammers,M. Biermann,R. Geyer,Thomas Hilger,Daniel Michalik,U. Stampa,Paul J. McMillan,J. Castañeda,M. Clotet,G. Comoretto,Michael Davidson,C. Fabricius,G. Gracia,Nigel Hambly,A. Hutton,A. Mora,Jordi Portell,F. van Leeuwen,U. Abbas,A. Abreu,Martin Altmann,Martin Altmann,Alexandre Humberto Andrei,E. Anglada,L. Balaguer-Núñez,C. Barache,Ugo Becciani,Stefano Bertone,Stefano Bertone,Luciana Bianchi,S. Bouquillon,Geraldine Bourda,T. Brüsemeister,Beatrice Bucciarelli,D. Busonero,R. Buzzi,Rossella Cancelliere,T. Carlucci,Patrick Charlot,N. Cheek,Mariateresa Crosta,C. Crowley,J. H. J. de Bruijne,F. de Felice,R. Drimmel,P. Esquej,Agnes Fienga,E. Fraile,Mario Gai,N. Garralda,J.J. González-Vidal,Raphael Guerra,M. Hauser,M. Hauser,Werner Hofmann,B. Holl,Stefan Jordan,Mario G. Lattanzi,H. Lenhardt,S. Liao,E. Licata,Tim Lister,W. Löffler,Jon Marchant,J. M. Martín-Fleitas,R. Messineo,Francois Mignard,Roberto Morbidelli,E. Poggio,Alberto Riva,Nicholas Rowell,E. Salguero,M. Sarasso,Eva Sciacca,H. I. Siddiqui,Richard L. Smart,Alessandro Spagna,Iain A. Steele,F. Taris,J. Torra,A. van Elteren,W. van Reeven,Alberto Vecchiato +92 more