Gaia Data Release 2: Summary of the contents and survey properties

Autor: Gaia Collaboration, Castañeda Pons, Javier Bernardo, Jordi i Nebot, Carme, Luri Carrascoso, Xavier, Antoja Castelltort, M. Teresa, Romero Gómez, Mercè, Fabricius, Claus, Fabricius,C., Masana Fresno, Eduard, Portell i de Mora, Jordi, Clotet Altarriba, Marcial, Torra Roca, Jorge, Antiche Garzón, Erika, Balaguer Núñez, María de los Dolores, Borrachero, Raul, Cantat Gaudin, Tristan, Carrasco Martínez, José Manuel, Casamiquela Floriach, Laia, Castro Ginard, Alfred, Farras Casas, Martí, Julbe, Francesc, Mor, Roger, Torra, Ferran, Voss, Hölger, González Vidal, Juan José, Garralda Torre, Nora, Molina, Daniel

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
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Context. We present the second Gaiadata 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 and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=RECOLECTA___::cd090c262ea66492f87b217fdb86323c
http://hdl.handle.net/2445/140475

Gaia Data Release 2: The celestial reference frame (Gaia-CRF2)

Autor: Gaia Collaboration, Antoja Castelltort, M. Teresa, Luri Carrascoso, Xavier, Voss, Hölger, Romero Gómez, Mercè, Figueras Siñol, Francesca, Fabricius, Claus, Mor, Roger, Cantat Gaudin, Tristan, Farras Casas, Martí, Masana Fresno, Eduard, Torra Roca, Jorge, Antiche Garzón, Erika, Balaguer Núñez, María de los Dolores, Borrachero, Raul, Portell i de Mora, Jordi, Carrasco Martínez, José Manuel, Casamiquela Floriach, Laia, Castro Ginard, Alfred, Castañeda Pons, Javier Bernardo, Julbe, Francesc, Clotet Altarriba, Marcial, Weiler, Michae, González Vidal, Juan José, Bartolomé Muñoz, Sergi, Garralda Torre, Nora, Molina, Daniel, Soria Nieto, Sergi, Jordi i Nebot, Carme

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname

Context. The second release of Gaia data (Gaia DR2) contains the astrometric parameters for more than half a million quasars which define akinematically non-rotating reference frame in the optical domain. A subset of them have accurate VLBI positions

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=RECOLECTA___::f8ffa3fdca363131ad467b7ab8f6a207
http://hdl.handle.net/2445/140647

Origin of the very metal poor stars in the disk of the Milky Way

Autor: Ventura Nasarre, Albert

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona

Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2022, Tutora: Maria Teresa Antoja Castelltort
The stars with quasi-primordial chemistry are remnants of the early stages of formation of our Galaxy thus pro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::c7ee008ca34928514be0eaaa03a6ccab
http://hdl.handle.net/2445/189021

Substructure in the phase-space of the Galaxy with Gaia

Autor: Ramos, Pau

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
TDX (Tesis Doctorals en Xarxa)
TDR: Tesis Doctorales en Red
CBUC, CESCA
TDR. Tesis Doctorales en Red
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[eng] The Gaia mission and its extensive catalogue of stars has marked the beginning of the Golden Age of Galactic dynamics. We have now access to the kinematics of more than a billion stars with which we can start deciphering the history of our Gala

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::2ffb267340b565de68fb9b663b899bc9
http://hdl.handle.net/10803/670916

Can the Tremaine - Weinberg method be used to determine the pattern speed of the bar and the spiral arms of the Milky Way?

Autor: Reina Campos, Marta

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona

Màster Oficial d'Astrofísica, Física de Partícules i Cosmologia, Facultat de Física, Universitat de Barcelona, Curs: 2015-2016, Tutors: Francesca Figueras, Teresa Antoja, Mercè Romero-Gómez, Santi Roca-Fàbrega
The pattern speed of the no

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::50cd694d7a3af9f8ec946bfebb20f9ad
http://hdl.handle.net/2445/147137