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Since July 2014, the ESA Gaia mission has been surveying the entire sky down to magnitude 20.7 in the visible. In addition to the millions of stars, thousands of Solar System Objects (SSOs) are observed daily. By comparing their positions…

We present the second Gaia data release, Gaia DR2, consisting of astrometry, photometry, radial velocities, and information on astrophysical parameters and variability, for sources brighter than magnitude 21. In addition epoch astrometry…

The Gaia mission of the European Space Agency (ESA) has been routinely observing Solar System objects (SSOs) since the beginning of its operations in August 2014. The Gaia data release three (DR3) includes, for the first time, the mean…

Earth and Planetary Astrophysics · Physics 2023-06-28 Gaia Collaboration , L. Galluccio , M. Delbo , F. De Angeli , T. Pauwels , P. Tanga , F. Mignard , A. Cellino , A. G. A. Brown , K. Muinonen , A. Penttila , S. Jordan , A. Vallenari , T. Prusti , J. H. J. de Bruijne , F. Arenou , C. Babusiaux , M. Biermann , O. L. Creevey , C. Ducourant , D. W. Evans , L. Eyer , R. Guerra , A. Hutton , C. Jordi , S. A. Klioner , U. L. Lammers , L. Lindegren , X. Luri , C. Panem , D. Pourbaix , S. Randich , P. Sartoretti , C. Soubiran , N. A. Walton , C. A. L. Bailer-Jones , U. Bastian , R. Drimmel , F. Jansen , D. Katz , M. G. Lattanzi , F. van Leeuwen , J. Bakker , C. Cacciari , J. Castaneda , C. Fabricius , M. Fouesneau , Y. Frémat , A. Guerrier , U. Heiter , E. Masana , R. Messineo , N. Mowlavi , C. Nicolas , K. Nienartowicz , F. Pailler , P. Panuzzo , F. Riclet , W. Roux , G. M. Seabroke , R. Sordo , F. Thévenin , G. Gracia-Abril , J. Portell , D. Teyssier , M. Altmann , R. Andrae , M. Audard , I. Bellas-Velidis , K. Benson , J. Berthier , R. Blomme , P. W. Burgess , D. Busonero , G. Busso , H. Cánovas , B. Carry , N. Cheek , G. Clementini , Y. Damerdji , M. Davidson , P. de Teodoro , M. Nunez Campos , L. Delchambre , A. Dell Oro , P. Esquej , J. Fernández-Hernández , E. Fraile , D. Garabato , P. García-Lario , E. Gosset , R. Haigron , J. -L. Halbwachs , N. C. Hambly , D. L. Harrison , J. Hernández , D. Hestroffer , S. T. Hodgkin , B. Holl , K. Janssen , G. Jevardat de Fombelle , A. Krone-Martins , A. C. Lanzafame , W. Löffler , O. Marchal , P. M. Marrese , A. Moitinho , P. Osborne , E. Pancino , A. Recio-Blanco , C. Reylé , M. Riello , L. Rimoldini , T. Roegiers , J. Rybizki , L. M. Sarro , C. Siopis , M. Smith , A. Sozzetti , E. Utrilla , M. van Leeuwen , U. Abbas , P. Ábrahám , A. Abreu Aramburu , C. Aerts , J. J. Aguado , M. Ajaj , F. Aldea-Montero , G. Altavilla , M. A. Álvarez , J. Alves , R. I. Anderson , E. Anglada Varela , T. Antoja , D. Baines , S. G. Baker , L. Balaguer-Núnez , E. Balbinot , Z. Balog , C. Barache , D. Barbato , M. Barros , M. A. Barstow , S. Bartolomé , J. -L. Bassilana , N. Bauchet , U. Becciani , M. Bellazzini , A. Berihuete , M. Bernet , S. Bertone , L. Bianchi , A. Binnenfeld , S. Blanco-Cuaresma , T. Boch , A. Bombrun , D. Bossini , S. Bouquillon , A. Bragaglia , L. Bramante , E. Breedt , A. Bressan , N. Brouillet , E. Brugaletta , B. Bucciarelli , A. Burlacu , A. G. Butkevich , R. Buzzi , E. Caffau , R. Cancelliere , T. Cantat-Gaudin , R. Carballo , T. Carlucci , M. I. Carnerero , J. M. Carrasco , L. Casamiquela , M. Castellani , A. Castro-Ginard , L. Chaoul , P. Charlot , L. Chemin , V. Chiaramida , A. Chiavassa , N. Chornay , G. Comoretto , G. Contursi , W. J. Cooper , T. Cornez , S. Cowell , F. Crifo , M. Cropper , M. Crosta , C. Crowley , C. Dafonte , A. Dapergolas , P. David , P. de Laverny , F. De Luise , R. De March , J. De Ridder , R. de Souza , A. de Torres , E. F. del Peloso , E. del Pozo , A. Delgado , J. -B. Delisle , C. Demouchy , T. E. Dharmawardena , S. Diakite , C. Diener , E. Distefano , C. Dolding , H. Enke , C. Fabre , M. Fabrizio , S. Faigler , G. Fedorets , P. Fernique , F. Figueras , Y. Fournier , C. Fouron , F. Fragkoudi , M. Gai , A. Garcia-Gutierrez , M. Garcia-Reinaldos , M. García-Torres , A. Garofalo , A. Gavel , P. Gavras , E. Gerlach , R. Geyer , P. Giacobbe , G. Gilmore , S. Girona , G. Giuffrida , R. Gomel , A. Gomez , J. González-Núnez , I. González-Santamaría , J. J. González-Vidal , M. Granvik , P. Guillout , J. Guiraud , R. Gutiérrez-Sánchez , L. P. Guy , D. Hatzidimitriou , M. Hauser , M. Haywood , A. Helmer , A. Helmi , M. H. Sarmiento , S. L. Hidalgo , N. Hadczuk , D. Hobbs , G. Holland , H. E. Huckle , K. Jardine , G. Jasniewicz , A. Jean-Antoine Piccolo , Ó. Jiménez-Arranz , J. Juaristi Campillo , F. Julbe , L. Karbevska , P. Kervella , S. Khanna , G. Kordopatis , A. J. Korn , A Kospál , Z. Kostrzewa-Rutkowska , K. Kruszynska , M. Kun , P. Laizeau , S. Lambert , A. F. Lanza , Y. Lasne , J. -F. Le Campion , Y. Lebreton , T. Lebzelter , S. Leccia , N. Leclerc , I. Lecoeur-Taibi , S. Liao , E. L. Licata , H. E. P. Lindstrom , T. A. Lister , E. Livanou , A. Lobel , A. Lorca , C. Loup , P. Madrero Pardo , A. Magdaleno Romeo , S. Managau , R. G. Mann , M. Manteiga , J. M. Marchant , M. Marconi , J. Marcos , M. M. S. Marcos Santos , D. Marín Pina , S. Marinoni , F. Marocco , D. J. Marshall , L. Martin Polo , J. M. Martín-Fleitas , G. Marton , N. Mary , A. Masip , D. Massari , A. Mastrobuono-Battisti , T. Mazeh , P. J. McMillan , S. Messina , D. Michalik , N. R. Millar , A. Mints , D. Molina , R. Molinaro , L. Molnár , G. Monari , M. Monguió , P. Montegriffo , A. Montero , R. Mor , A. Mora , R. Morbidelli , T. Morel , D. Morris , T. Muraveva , C. P. Murphy , I. Musella , Z. Nagy , L. Noval , F. Ocana , A. Ogden , C. Ordenovic , J. O. Osinde , C. Pagani , I. Pagano , L. Palaversa , P. A. Palicio , L. Pallas-Quintela , A. Panahi , S. Payne-Wardenaar , X. Penalosa Esteller , J. -M. Petit , B. Pichon , A. M. Piersimoni , F. -X. Pineau , E. Plachy , G. Plum , E. Poggio , A. Prsa , L. Pulone , E. Racero , S. Ragaini , M. Rainer , C. M. Raiteri , P. Ramos , M. Ramos-Lerate , P. Re Fiorentin , S. Regibo , P. J. Richards , C. Rios Diaz , V. Ripepi , A. Riva , H. -W. Rix , G. Rixon , N. Robichon , A. C. Robin , C. Robin , M. Roelens , H. R. O. Rogues , L. Rohrbasser , M. Romero-Gómez , N. Rowell , F. Royer , D. Ruz Mieres , K. A. Rybicki , G. Sadowski , A. Sáez Núnez , A. Sagristà Sellés , J. Sahlmann , E. Salguero , N. Samaras , V. Sanchez Gimenez , N. Sanna , R. Santovena , M. Sarasso , M. Schultheis , E. Sciacca , M. Segol , J. C. Segovia , D. Ségransan , D. Semeux , S. Shahaf , H. I. Siddiqui , A. Siebert , L. Siltala , A. Silvelo , E. Slezak , I. Slezak , R. L. Smart , O. N. Snaith , E. Solano , F. Solitro , D. Souami , J. Souchay , A. Spagna , L. Spina , F. Spoto , I. A. Steele , H. Steidelmüller , C. A. Stephenson , M. Süveges , J. Surdej , L. Szabados , E. Szegedi-Elek , F. Taris , M. B. Taylor , R. Teixeira , L. Tolomei , N. Tonello , F. Torra , J. Torra , G. Torralba Elipe , M. Trabucchi , A. T. Tsounis , C. Turon , A. Ulla , N. Unger , M. V. Vaillant , E. van Dillen , W. van Reeven , O. Vanel , A. Vecchiato , Y. Viala , D. Vicente , S. Voutsinas , M. Weiler , T. Wevers , L. Wyrzykowski , A. Yoldas , P. Yvard , H. Zhao , J. Zorec , S. Zucker , T. Zwitter

The Gaia mission will provide the scientific community with high-quality observations of asteroids of all categories. The second release of Gaia data (DR2) was published in 2018 and consisted of 22 months of observations of 14,099 known…

Earth and Planetary Astrophysics · Physics 2021-04-28 Milagros Colazo , Rene Duffard , Walter Weidmann

Gaia Data Release 2 (Gaia DR2) contains results for 1693 million sources in the magnitude range 3 to 21 based on observations collected by the European Space Agency Gaia satellite during the first 22 months of its operational phase. We…

The third data release by the Gaia mission of the European Space (DR3) is the first release to provide the community with a large sample of observations for more than 150 thousand Solar System objects, including asteroids and natural…

Context. We report the exploitation of a sample of epoch astrometry for 157 000 asteroids, the same object in the Gaia Data Release 3, extended over the time coverage planned for the Gaia DR4, which is not expected before the end of 2025.…

Earth and Planetary Astrophysics · Physics 2023-12-13 Gaia Collaboration , P. David , F. Mignard , D. Hestroffer , P. Tanga

The Gaia second data release contains high-accuracy astrometric measurements of thousands of solar system bodies. These measurements raise the possibility of determining asteroid masses by modeling scattering events between massive objects…

Earth and Planetary Astrophysics · Physics 2023-12-20 Zachary Murray

The second Gaia data release (DR2), contains very precise astrometric and photometric properties for more than one billion sources, astrophysical parameters for dozens of millions, radial velocities for millions, variability information for…

Gaia Early Data Release 3 contains astrometry and photometry results for about 1.8 billion sources based on observations collected by the ESA Gaia satellite during the first 34 months of operations. This paper focuses on the photometric…

We used the INPOP19a planetary ephemerides to perform the orbital adjustment of 14099 asteroids based on Gaia-DR2 observations, and compare for 23 of them the resulting orbits to radar data. As Gaia-DR2 has been processed using the…

Earth and Planetary Astrophysics · Physics 2022-06-15 P. Deram , A. Fienga , A. K. Verma , M. Gastineau , J. Laskar

At about 1000 days after the launch of Gaia we present the first Gaia data release, Gaia DR1, consisting of astrometry and photometry for over 1 billion sources brighter than magnitude 20.7. We summarize Gaia DR1 and provide illustrations…

Instrumentation and Methods for Astrophysics · Physics 2016-09-15 Gaia Collaboration , A. G. A. Brown , A. Vallenari , T. Prusti , J. de Bruijne , F. Mignard , R. Drimmel , 585 co-authors

The Gaia DR2 sample of short-timescale variable candidates results from the investigation of the first 22 months of Gaia photometry for a subsample of sources at the Gaia faint end. For this exercise, we limited ourselves to the case of…

In addition to stellar data, Gaia Data Release 2 (DR2) also contains accurate astrometry and photometry of about 14,000 asteroids covering 22 months of observations. We used Gaia asteroid photometry to reconstruct rotation periods, spin…

Earth and Planetary Astrophysics · Physics 2018-12-05 Josef Durech , Josef Hanus

Gaia is the next astrometry mission of the European Space Agency (ESA), following up on the success of the Hipparcos mission. With a focal plane containing 106 CCD detectors, Gaia will survey the entire sky and repeatedly observe the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 J. H. J. de Bruijne

Access to microarcsecond astrometry is now routine in the radio, infrared, and optical domains. In particular the publication of the second data release from the Gaia mission made it possible for every astronomer to work with easily…

Instrumentation and Methods for Astrophysics · Physics 2021-09-17 Anthony G. A. Brown

Gaia Data Release 1 (Gaia DR1) contains astrometric results for more than 1 billion stars brighter than magnitude 20.7 based on observations collected by the Gaia satellite during the first 14 months of its operational phase. We give a…

The Gaia second Data Release (DR2) presents a first mapping of full-sky RR Lyrae stars and Cepheids observed by the spacecraft during the initial 22 months of science operations. The Specific Object Study (SOS) pipeline, developed to…

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