Related papers: Tycho-Gaia Astrometric Solution Parallaxes and Pro…

Characterising Open Clusters in the solar neighbourhood with the Tycho-Gaia Astrometric Solution

The Tycho-Gaia Astrometric Solution (TGAS) subset of the first Gaia catalogue contains an unprecedented sample of proper motions and parallaxes for two million stars brighter than G~12 mag. We take advantage of the full astrometric solution…

Astrophysics of Galaxies · Physics 2018-07-18 T. Cantat-Gaudin , A. Vallenari , R. Sordo , F. Pensabene , A. Krone-Martins , A. Moitinho , C. Jordi , L. Casamiquela , L. Balaguer-Núnez , C. Soubiran , N. Brouillet

Gaia Data Release 1. Open cluster astrometry: performance, limitations, and future prospects

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…

Solar and Stellar Astrophysics · Physics 2017-04-26 Gaia Collaboration , F. van Leeuwen , A. Vallenari , C. Jordi , L. Lindegren , U. Bastian , T. Prusti , J. H. J. de Bruijne , A. G. A. Brown , C. Babusiaux , C. A. L. Bailer-Jones , M. Biermann , D. W. Evans , L. Eyer , F. Jansen , S. A. Klioner , U. Lammers , X. Luri , F. Mignard , C. Panem , D. Pourbaix , S. Randich , P. Sartoretti , H. I. Siddiqui , C. Soubiran , V. Valette , N. A. Walton , C. Aerts , F. Arenou , M. Cropper , R. Drimmel , E. Høg , D. Katz , M. G. Lattanzi , W. O'Mullane , E. K. Grebel , A. D. Holland , C. Huc , X. Passot , M. Perryman , L. Bramante , C. Cacciari , J. Castañeda , L. Chaoul , N. Cheek , F. De Angeli , C. Fabricius , R. Guerra , J. Hernández , A. Jean-Antoine-Piccolo , E. Masana , R. Messineo , N. Mowlavi , K. Nienartowicz , D. Ordóñez-Blanco , P. Panuzzo , J. Portell , P. J. Richards , M. Riello , G. M. Seabroke , P. Tanga , F. Thévenin , J. Torra , S. G. Els , G. Gracia-Abril , G. Comoretto , M. Garcia-Reinaldos , T. Lock , E. Mercier , M. Altmann , R. Andrae , T. L. Astraatmadja , I. Bellas-Velidis , K. Benson , J. Berthier , R. Blomme , G. Busso , B. Carry , A. Cellino , G. Clementini , S. Cowell , O. Creevey , J. Cuypers , M. Davidson , J. De Ridder , A. de Torres , L. Delchambre , A. Dell'Oro , C. Ducourant , Y. Frémat , M. García-Torres , E. Gosset , J. -L. Halbwachs , N. C. Hambly , D. L. Harrison , M. Hauser , D. Hestroffer , S. T. Hodgkin , H. E. Huckle , A. Hutton , G. Jasniewicz , S. Jordan , M. Kontizas , A. J. Korn , A. C. Lanzafame , M. Manteiga , A. Moitinho , K. Muinonen , J. Osinde , E. Pancino , T. Pauwels , J. -M. Petit , A. Recio-Blanco , A. C. Robin , L. M. Sarro , C. Siopis , M. Smith , K. W. Smith , A. Sozzetti , W. Thuillot , W. van Reeven , Y. Viala , U. Abbas , A. Abreu Aramburu , S. Accart , J. J. Aguado , P. M. Allan , W. Allasia , G. Altavilla , M. A. Álvarez , J. Alves , R. I. Anderson , A. H. Andrei , E. Anglada Varela , E. Antiche , T. Antoja , S. Antón , B. Arcay , N. Bach , S. G. Baker , L. Balaguer-Núñez , C. Barache , C. Barata , A. Barbier , F. Barblan , D. Barrado y Navascués , M. Barros , M. A. Barstow , U. Becciani , M. Bellazzini , A. Bello García , V. Belokurov , P. Bendjoya , A. Berihuete , L. Bianchi , O. Bienaymé , F. Billebaud , N. Blagorodnova , S. Blanco-Cuaresma , T. Boch , A. Bombrun , R. Borrachero , S. Bouquillon , G. Bourda , H. Bouy , A. Bragaglia , M. A. Breddels , N. Brouillet , T. Brüsemeister , B. Bucciarelli , P. Burgess , R. Burgon , A. Burlacu , D. Busonero , R. Buzzi , E. Caffau , J. Cambras , H. Campbell , R. Cancelliere , T. Cantat-Gaudin , T. Carlucci , J. M. Carrasco , M. Castellani , P. Charlot , J. Charnas , A. Chiavassa , M. Clotet , G. Cocozza , R. S. Collins , G. Costigan , F. Crifo , N. J. G. Cross , M. Crosta , C. Crowley , C. Dafonte , Y. 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. de Souza , J. Debosscher , E. del Pozo , M. Delbo , A. Delgado , H. E. Delgado , P. Di Matteo , S. Diakite , E. Distefano , C. Dolding , S. Dos Anjos , P. Drazinos , J. Durán , Y. Dzigan , B. Edvardsson , H. Enke , N. W. Evans , G. Eynard Bontemps , C. Fabre , M. Fabrizio , S. Faigler , A. J. Falcão , M. Farràs Casas , L. Federici , G. Fedorets , J. Fernández-Hernández , P. Fernique , A. Fienga , F. Figueras , F. Filippi , K. Findeisen , A. Fonti , M. Fouesneau , E. Fraile , M. Fraser , J. Fuchs , M. Gai , S. Galleti , L. Galluccio , D. Garabato , F. García-Sedano , A. Garofalo , N. Garralda , P. Gavras , J. Gerssen , R. Geyer , G. Gilmore , S. Girona , G. Giuffrida , M. Gomes , A. González-Marcos , J. González-Núñez , J. J. González-Vidal , M. Granvik , A. Guerrier , P. Guillout , J. Guiraud , A. Gúrpide , R. Gutiérrez-Sánchez , L. P. Guy , R. Haigron , D. Hatzidimitriou , M. Haywood , U. Heiter , A. Helmi , D. Hobbs , W. Hofmann , B. Holl , G. Holland , J. A. S. Hunt , A. Hypki , V. Icardi , M. Irwin , G. Jevardat de Fombelle , P. Jofré , P. G. Jonker , A. Jorissen , F. Julbe , A. Karampelas , A. Kochoska , R. Kohley , K. Kolenberg , E. Kontizas , S. E. Koposov , G. Kordopatis , P. Koubsky , A. Krone-Martins , M. Kudryashova , I. Kull , R. K. Bachchan , F. Lacoste-Seris , A. F. Lanza , J. -B. Lavigne , C. Le Poncin-Lafitte , Y. Lebreton , T. Lebzelter , S. Leccia , N. Leclerc , I. Lecoeur-Taibi , V. Lemaitre , H. Lenhardt , F. Leroux , S. Liao , E. Licata , H. E. P. Lindstrøm , T. A. Lister , E. Livanou , A. Lobel , W. Löffer , M. López , D. Lorenz , I. MacDonald , T. Magalhães Fernandes , S. Managau , R. G. Mann , G. Mantelet , O. Marchal , J. M. Marchant , M. Marconi , S. Marinoni , P. M. Marrese , G. Marschalkó , D. J. Marshall , J. M. Martín-Fleitas , M. Martino , N. Mary , G. Matijevič , T. Mazeh , P. J. McMillan , S. Messina , D. Michalik , N. R. Millar , B. M. H. Miranda , D. Molina , R. Molinaro , M. Molinaro , L. Molnár , M. Moniez , P. Montegrio , R. Mor , A. Mora , R. Morbidelli , T. Morel , S. Morgenthaler , D. Morris , A. F. Mulone , T. Muraveva , I. Musella , J. Narbonne , G. Nelemans , L. Nicastro , L. Noval , C. Ordénovic , J. 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 , N. Rambaux , M. Ramos-Lerate , P. Ranalli , G. Rauw , A. Read , S. Regibo , C. Reylé , R. A. Ribeiro , L. Rimoldini , V. Ripepi , A. Riva , G. Rixon , M. Roelens , M. Romero-Gómez , N. Rowell , F. Royer , L. Ruiz-Dern , G. Sadowski , T. Sagristà Sellés , J. Sahlmann , J. Salgado , E. Salguero , M. Sarasso , H. Savietto , M. Schultheis , E. Sciacca , M. Segol , J. C. Segovia , D. Segransan , I-C. Shih , R. Smareglia , R. L. Smart , E. Solano , F. Solitro , R. Sordo , S. Soria Nieto , J. Souchay , A. Spagna , F. Spoto , U. Stampa , I. A. Steele , H. Steidelmüller , C. A. Stephenson , H. Stoev , F. F. Suess , M. Süveges , J. Surdej , L. Szabados , E. Szegedi-Elek , D. Tapiador , F. Taris , G. Tauran , M. B. Taylor , R. Teixeira , D. Terrett , B. Tingley , S. C. Trager , C. Turon , A. Ulla , E. Utrilla , G. Valentini , A. van Elteren , E. Van Hemelryck , M. van Leeuwen , M. Varadi , A. Vecchiato , J. Veljanoski , T. Via , D. Vicente , S. Vogt , H. Voss , V. Votruba , S. Voutsinas , G. Walmsley , M. Weiler , K. Weingril , T. Wevers , Ł. Wyrzykowski , A. Yoldas , M. Žerjal , S. Zucker , C. Zurbach , T. Zwitter , A. Alecu , M. Allen , C. Allende Prieto , A. Amorim , G. Anglada-Escudé , V. Arsenijevic , S. Azaz , P. Balm , M. Beck , H. -H. Bernsteiny , L. Bigot , A. Bijaoui , C. Blasco , M. Bonfigli , G. Bono , S. Boudreault , A. Bressan , S. Brown , P. -M. Brunet , P. Bunclarky , R. Buonanno , A. G. Butkevich , C. Carret , C. Carrion , L. Chemin , F. Chéreau , L. Corcione , E. Darmigny , K. S. de Boer , P. de Teodoro , P. T. de Zeeuw , C. Delle Luche , C. D. Domingues , P. Dubath , F. Fodor , B. Frézouls , A. Fries , D. Fustes , D. Fyfe , E. Gallardo , J. Gallegos , D. Gardio , M. Gebran , A. Gomboc , A. Gómez , E. Grux , A. Gueguen , A. Heyrovsky , J. Hoar , G. Iannicola , Y. Isasi Parache , A. -M. Janotto , E. Joliet , A. Jonckheere , R. Keil , D. -W. Kim , P. Klagyivik , J. Klar , J. Knude , O. Kochukhov , I. Kolka , J. Kos , A. Kutka , V. Lainey , D. LeBouquin , C. Liu , D. Loreggia , V. V. Makarov , M. G. Marseille , C. Martayan , O. Martinez-Rubi , B. Massart , F. Meynadier , S. Mignot , U. Munari , A. -T. Nguyen , T. Nordlander , K. S. O'Flaherty , P. Ocvirk , A. Olias Sanz , P. Ortiz , J. Osorio , D. Oszkiewicz , A. Ouzounis , M. Palmer , P. Park , E. Pasquato , C. Peltzer , J. Peralta , F. Péturaud , T. Pieniluoma , E. Pigozzi , J. Poelsy , G. Prat , T. Prod'homme , F. Raison , J. M. Rebordao , D. Risquez , B. Rocca-Volmerange , S. Rosen , M. I. Ruiz-Fuertes , F. Russo , S. Sembay , I. Serraller Vizcaino , A. Short , A. Siebert , H. Silva , D. Sinachopoulos , E. Slezak , M. Soffel , D. Sosnowska , V. Straižys , M. ter Linden , D. Terrell , S. Theil , C. Tiede , L. Troisi , P. Tsalmantza , D. Tur , M. Vaccari , F. Vachier , P. Valles , W. Van Hamme , L. Veltz , J. Virtanen , J. -M. Wallut , R. Wichmann , M. I. Wilkinson , H. Ziaeepour , S. Zschocke

Open star clusters in the Milky Way - Comparison of photometric and trigonometric distance scales based on Gaia TGAS data

The global survey of star clusters in the Milky Way (MWSC) is a comprehensive list of 3061 objects that provides, among other parameters, distances to clusters based on isochrone fitting. The Tycho-Gaia Astrometric Solution (TGAS)…

Solar and Stellar Astrophysics · Physics 2017-10-11 Dana A. Kovaleva , Anatoly E. Piskunov , Nina V. Kharchenko , Siegfried Röser , Elena Schilbach , Ralf-Dieter Scholz , Sabine Reffert , Steffi X. Yen

First Gaia Local Group Dynamics: Magellanic Clouds Proper Motion and Rotation

We use the Gaia data release 1 (DR1) to study the proper motion (PM) fields of the Large and Small Magellanic Clouds (LMC, SMC). This uses the Tycho-Gaia Astrometric Solution (TGAS) PMs for 29 Hipparcos stars in the LMC and 8 in the SMC.…

Astrophysics of Galaxies · Physics 2016-12-07 Roeland P. van der Marel , Johannes Sahlmann

The Tycho-Gaia astrometric solution. How to get 2.5 million parallaxes with less than one year of Gaia data

Context. The first release of astrometric data from Gaia will contain the mean stellar positions and magnitudes from the first year of observations, and proper motions from the combination of Gaia data with Hipparcos prior information…

Instrumentation and Methods for Astrophysics · Physics 2015-02-04 Daniel Michalik , Lennart Lindegren , David Hobbs

Gaia EDR3 view on Galactic globular clusters

We use the data from Gaia Early Data Release 3 (EDR3) to study the kinematic properties of Milky Way globular clusters. We measure the mean parallaxes and proper motions (PM) for 170 clusters, determine the PM dispersion profiles for more…

Astrophysics of Galaxies · Physics 2021-07-14 Eugene Vasiliev , Holger Baumgardt

HST proper motions in Galactic globular clusters

Proper motions (PMs) are crucial to fully understand the internal dynamics of globular clusters (GCs). To that end, the Hubble Space Telescope (HST) Proper Motion (HSTPROMO) collaboration has constructed large, high-quality PM catalogues…

Astrophysics of Galaxies · Physics 2017-01-31 Laura L. Watkins , Roeland P. van der Marel , Andrea Bellini , A. T. Baldwin , P. Bianchini , J. Anderson

Hubble Space Telescope Proper Motion (HSTPROMO) Catalogs of Galactic Globular Clusters. I. Sample Selection, Data Reduction and NGC 7078 Results

We present the first study of high-precision internal proper motions (PMs) in a large sample of globular clusters, based on Hubble Space Telescope (HST) data obtained over the past decade with the ACS/WFC, ACS/HRC, and WFC3/UVIS…

Solar and Stellar Astrophysics · Physics 2015-06-23 A. Bellini , J. Anderson , R. P. van der Marel , L. L. Watkins , I. R. King , P. Bianchini , J. Chanamé , R. Chandar , A. M. Cool , F. R. Ferraro , H. Ford , D. Massari

Comoving stars in Gaia DR1: An abundance of very wide separation co-moving pairs

The primary sample of the {\it Gaia} Data Release 1 is the Tycho-Gaia Astrometric Solution (TGAS): $\approx$ 2 million Tycho-2 sources with improved parallaxes and proper motions relative to the initial catalog. This increased astrometric…

Solar and Stellar Astrophysics · Physics 2017-06-05 Semyeong Oh , Adrian M. Price-Whelan , David W. Hogg , Timothy D. Morton , David N. Spergel

Accurate distances to Galactic globular clusters through a combination of Gaia EDR3, HST and literature data

We have derived accurate distances to Galactic globular clusters by combining data from the Gaia Early Data Release 3 with distances based on Hubble Space telescope HST data and literature based distances. We determine distances either…

Astrophysics of Galaxies · Physics 2021-07-14 Holger Baumgardt , Eugene Vasiliev

Relation between the geometric shape and rotation of Galactic globular clusters

We homogeneously measured the elliptical shapes of 163 globular clusters (GCs) using the on-sky distribution of their cluster members and the third data release of the ESA mission Gaia (DR3). The astrometry enables the differentiation of…

Astrophysics of Galaxies · Physics 2024-08-02 Mauricio Cruz Reyes , Richard I. Anderson

The Hubble Missing Globular Cluster Survey. III. Astro-photometric catalogs, artificial-star tests, and improved absolute proper motions

The Hubble Missing Globular Cluster Survey (MGCS) has taken one of the last opportunities to complete the census of Galactic globular clusters (GCs) started by past Hubble Space Telescope (HST) programs, securing high-resolution data for 34…

Astrophysics of Galaxies · Physics 2026-05-21 M. Libralato , A. Bellini , D. Massari , M. Bellazzini , F. Aguado-Agelet , S. Cassisi , E. Ceccarelli , E. Dalessandro , E. Dodd , F. R. Ferraro , C. Gallart , B. Lanzoni , M. Monelli , A. Mucciarelli , E. Pancino , R. Pascale , L. Rosignoli , M. Salaris , S. Saracino , C. Zerbinati

The VMC survey XXVIII. Improved measurements of the proper motion of the Galactic globular cluster 47 Tucanae

We use deep multi-epoch PSF photometry taken with the Visible and Infrared Survey Telescope for Astronomy (VISTA) to measure and analyze the proper motions of stars within the Galactic globular cluster 47 Tucanae (47 Tuc, NGC 104). The…

Astrophysics of Galaxies · Physics 2018-05-09 F. Niederhofer , M. -R. L. Cioni , S. Rubele , Th. Schmidt , K. Bekki , R. de Grijs , J. Emerson , V. D. Ivanov , J. M. Oliveira , M. G. Petr-Gotzens , V. Ripepi , N. -C. Sun , J. Th. van Loon

Using Gaia for studying Milky Way star clusters

We review the implications of the Gaia Data Release 2 catalogue for studying the dynamics of Milky Way globular clusters, focusing on two separate topics. The first one is the analysis of the full 6-dimensional phase-space distribution of…

Astrophysics of Galaxies · Physics 2020-03-18 Eugene Vasiliev

Distances to the globular clusters 47 Tucanae and NGC 362 using Gaia DR2 parallaxes

Using parallaxes from Gaia DR2, we estimate the distance to the globular clusters 47 Tuc and NGC 362, taking advantage of the background stars in the Small Magellanic Cloud and quasars to account for various parallax systematics. We found…

Solar and Stellar Astrophysics · Physics 2018-11-14 Seery Chen , Harvey Richer , Ilaria Caiazzo , Jeremy Heyl

A Gaia study of the Hyades open cluster

We present a study of the membership of the Hyades open cluster, derive kinematically-modelled parallaxes of its members, and study the colour-absolute magnitude diagram of the cluster. We use Gaia DR1 Tycho-Gaia Astrometric Solution (TGAS)…

Astrophysics of Galaxies · Physics 2018-04-04 Stella Reino , Jos de Bruijne , Eleonora Zari , Francesca d'Antona , Paolo Ventura

Possible Extragalactic Origins of Five LMC Globular Clusters: Proper Motion Deviations in Gaia DR3

We use kinematic data of proper motions from Gaia of forty-two globular and open clusters from Large Magellanic Cloud (LMC) to explore the possibility of them having extragalactic origins. We find the difference between the proper motions…

Astrophysics of Galaxies · Physics 2026-03-11 Tamojeet Roychowdhury , Navdha Bhalla

A Proper Motions Study of the Globular Cluster M12 (NGC 6218)

Using astrometric techniques developed by Anderson et al., we determine proper motions (PMs) in 14.60 arcmin X 16.53 arcmin area of the kinematically "thick-disk" globular cluster M12. The cluster's proximity and sparse nature makes it a…

Astrophysics of Galaxies · Physics 2018-10-17 Devesh P. Sariya , Ing-Guey Jiang , R. K. S. Yadav

A ground-based proper motion study of twelve nearby Globular Clusters

We derive relative proper motions of stars in the fields of the globular clusters M12, NGC 6362, M4, M55, M22, NGC 6752, NGC 3201, M30, M10, NGC 362, M5, and 47 Tucanae based on data collected between 1997 and 2015 with the 1-m Swope…

Solar and Stellar Astrophysics · Physics 2017-08-09 W. Narloch , J. Kaluzny , R. Poleski , M. Rozyczka , W. Pych , I. B. Thompson

Galactic globular clusters: a new catalog of masses, structural parameters, velocity dispersion profiles, proper motions and space orbits

We collected radial velocities of more than 50.000 individual stars in 156 Galactic globular clusters (GGC) and matched them with HST photometry and Gaia DR2 proper motions. This allowed us to derive the GGC's mean proper motions and space…

Astrophysics of Galaxies · Physics 2020-03-18 Michael Hilker , Holger Baumgardt , Antonio Sollima , Andrea Bellini