N
Nicholas A. Walton
Researcher at University of Cambridge
Publications - 259
Citations - 67162
Nicholas A. Walton is an academic researcher from University of Cambridge. The author has contributed to research in topics: Supernova & Planetary nebula. The author has an hindex of 65, co-authored 254 publications receiving 59375 citations. Previous affiliations of Nicholas A. Walton include Kapteyn Astronomical Institute & University College London.
Papers
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Journal ArticleDOI
Measurements of Omega and Lambda from 42 High-Redshift Supernovae
Saul Perlmutter,Saul Perlmutter,Greg Aldering,Gerson Goldhaber,Gerson Goldhaber,R. A. Knop,Peter Nugent,P. G. Castro,P. G. Castro,Susana E. Deustua,Sebastien Fabbro,Sebastien Fabbro,A. Goobar,A. Goobar,Donald E. Groom,I. M. Hook,I. M. Hook,A. G. Kim,A. G. Kim,A. G. Kim,M. Y. Kim,Julia C. Lee,Julia C. Lee,Nelson J. Nunes,Nelson J. Nunes,Reynald Pain,Reynald Pain,C. R. Pennypacker,C. R. Pennypacker,Robert Quimby,Christopher Lidman,Richard S. Ellis,Mike Irwin,Richard G. McMahon,Pilar Ruiz-Lapuente,Nicholas A. Walton,Bradley E. Schaefer,B. J. Boyle,Alexei V. Filippenko,Thomas Matheson,A. S. Fruchter,Nino Panagia,Nino Panagia,Heidi Jo Newberg,Warrick J. Couch +44 more
TL;DR: In this paper, the mass density, Omega_M, and cosmological-constant energy density of the universe were measured using the analysis of 42 Type Ia supernovae discovered by the Supernova Cosmology project.
Journal ArticleDOI
Measurements of Omega and Lambda from 42 High-Redshift Supernovae
Saul Perlmutter,Greg Aldering,G. Goldhaber,R. A. Knop,Peter Nugent,P. G. Castro,Susana E. Deustua,Sebastien Fabbro,A. Goobar,D. E. Groom,I. M. Hook,A. G. Kim,M. Y. Kim,Julia C. Lee,Nelson J. Nunes,Reynald Pain,C. R. Pennypacker,R. M. Quimby,C. Lidman,Richard S. Ellis,Michael G. Irwin,Richard G. McMahon,P. Ruiz-Lapuente,Nicholas A. Walton,Bradley E. Schaefer,B. J. Boyle,Alexei V. Filippenko,Thomas Matheson,A. S. Fruchter,Nino Panagia,Heidi Jo Newberg,W. J. Couch +31 more
TL;DR: In this paper, the mass density, Omega_M, and cosmological-constant energy density of the universe were measured by the analysis of 42 Type Ia supernovae discovered by the Supernova Cosmology Project.
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 Supernova Legacy Survey: Measurement of Omega_M, Omega_Lambda,and w from the First Year Data Set
Pierre Astier,Julien Guy,Nicolas Regnault,Reynald Pain,Éric Aubourg,David D. Balam,S. Basa,Raymond G. Carlberg,Sebastien Fabbro,Dominique Fouchez,I. M. Hook,D. A. Howell,H. Lafoux,James D. Neill,Nathalie Palanque-Delabrouille,K. Perrett,Christopher J. Pritchet,J. Rich,Mark Sullivan,Richard Taillet,Greg Aldering,P. Antilogus,V. Arsenijevic,Christophe Balland,S. Baumont,J. Bronder,Hélène M. Courtois,Rowan Ellis,M. Filiol,A. C. Gonçalves,Ariel Goobar,D. Guide,D. Hardin,V. Lusset,C. Lidman,Richard G. McMahon,M. Mouchet,A. Mourao,Saul Perlmutter,Saul Perlmutter,P. Ripoche,Charling Tao,Nicholas A. Walton +42 more
TL;DR: In this article, distance measurements to 71 high redshift type Ia supernovae discovered during the first year of the 5-year Supernova Legacy Survey (SNLS) were presented.
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.