000003739 001__ 3739
000003739 005__ 20190114164952.0
000003739 0247_ $$2DOI$$a10.1051/0004-6361/201832698
000003739 037__ $$aSCART-2019-0023
000003739 100__ $$aGaia Collaboration
000003739 245__ $$aGaia Data Release 2. Kinematics of globular clusters and dwarf galaxies around the Milky Way
000003739 260__ $$c2018
000003739 520__ $$aContext. Aims: The goal of this paper is to demonstrate the outstanding quality of the second data release of the Gaia mission and its power for constraining many different aspects of the dynamics of the satellites of the Milky Way. We focus here on determining the proper motions of 75 Galactic globular clusters, nine dwarf spheroidal galaxies, one ultra-faint system, and the Large and Small Magellanic Clouds. Methods: Using data extracted from the Gaia archive, we derived the proper motions and parallaxes for these systems, as well as their uncertainties. We demonstrate that the errors, statistical and systematic, are relatively well understood. We integrated the orbits of these objects in three different Galactic potentials, and characterised their properties. We present the derived proper motions, space velocities, and characteristic orbital parameters in various tables to facilitate their use by the astronomical community. Results: Our limited and straightforward analyses have allowed us for example to (i) determine absolute and very precise proper motions for globular clusters; (ii) detect clear rotation signatures in the proper motions of at least five globular clusters; (iii) show that the satellites of the Milky Way are all on high-inclination orbits, but that they do not share a single plane of motion; (iv) derive a lower limit for the mass of the Milky Way of 9.1-2.6+6.2 × 10^11 M⊙ based on the assumption that the Leo I dwarf spheroidal is bound; (v) derive a rotation curve for the Large Magellanic Cloud based solely on proper motions that is competitive with line-of-sight velocity curves, now using many orders of magnitude more sources; and (vi) unveil the dynamical effect of the bar on the motions of stars in the Large Magellanic Cloud. Conclusions: All these results highlight the incredible power of the Gaia astrometric mission, and in particular of its second data release.
000003739 594__ $$aNO
000003739 6531_ $$aGalaxy: kinematics and dynamics
000003739 6531_ $$aastrometry
000003739 6531_ $$aglobular clusters: general
000003739 6531_ $$agalaxies: dwarf
000003739 6531_ $$aLocal Group
000003739 6531_ $$aMagellanic Clouds
000003739 700__ $$aHelmi, A.
000003739 700__ $$avan Leeuwen, F.
000003739 700__ $$aMcMillan, P. J.
000003739 700__ $$aMassari, D.
000003739 700__ $$aAntoja, T.
000003739 700__ $$aRobin, A. C.
000003739 700__ $$aLindegren, L.
000003739 700__ $$aBastian, U.
000003739 700__ $$aArenou, F.
000003739 700__ $$aBabusiaux, C.
000003739 700__ $$aBiermann, M.
000003739 700__ $$aBreddels, M. A.
000003739 700__ $$aHobbs, D.
000003739 700__ $$aJordi, C.
000003739 700__ $$aPancino, E.
000003739 700__ $$aReylé, C.
000003739 700__ $$aVeljanoski, J.
000003739 700__ $$aBrown, A. G. A.
000003739 700__ $$aVallenari, A.
000003739 700__ $$aPrusti, T.
000003739 700__ $$ade Bruijne, J. H. J.
000003739 700__ $$aBailer-Jones, C. A. L.
000003739 700__ $$aEvans, D. W.
000003739 700__ $$aEyer, L.
000003739 700__ $$aJansen, F.
000003739 700__ $$aKlioner, S. A.
000003739 700__ $$aLammers, U.
000003739 700__ $$aLuri, X.
000003739 700__ $$aMignard, F.
000003739 700__ $$aPanem, C.
000003739 700__ $$aPourbaix, D.
000003739 700__ $$aRandich, S.
000003739 700__ $$aSartoretti, P.
000003739 700__ $$aSiddiqui, H. I.
000003739 700__ $$aSoubiran, C.
000003739 700__ $$aWalton, N. A.
000003739 700__ $$aCropper, M.
000003739 700__ $$aDrimmel, R.
000003739 700__ $$aKatz, D.
000003739 700__ $$aLattanzi, M. G.
000003739 700__ $$aBakker, J.
000003739 700__ $$aCacciari, C.
000003739 700__ $$aCastañeda, J.
000003739 700__ $$aChaoul, L.
000003739 700__ $$aCheek, N.
000003739 700__ $$aDe Angeli, F.
000003739 700__ $$aFabricius, C.
000003739 700__ $$aGuerra, R.
000003739 700__ $$aHoll, B.
000003739 700__ $$aMasana, E.
000003739 700__ $$aMessineo, R.
000003739 700__ $$aMowlavi, N.
000003739 700__ $$aNienartowicz, K.
000003739 700__ $$aPanuzzo, P.
000003739 700__ $$aPortell, J.
000003739 700__ $$aRiello, M.
000003739 700__ $$aSeabroke, G. M.
000003739 700__ $$aTanga, P.
000003739 700__ $$aThévenin, F.
000003739 700__ $$aGracia-Abril, G.
000003739 700__ $$aComoretto, G.
000003739 700__ $$aGarcia-Reinaldos, M.
000003739 700__ $$aTeyssier, D.
000003739 700__ $$aAltmann, M.
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000003739 700__ $$aBellas-Velidis, I.
000003739 700__ $$aBenson, K.
000003739 700__ $$aBerthier, J.
000003739 700__ $$aBlomme, R.
000003739 700__ $$aBurgess, P.
000003739 700__ $$aBusso, G.
000003739 700__ $$aCarry, B.
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000003739 700__ $$aCreevey, O.
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000003739 700__ $$aDelchambre, L.
000003739 700__ $$aDell'Oro, A.
000003739 700__ $$aDucourant, C.
000003739 700__ $$aFernández-Hernández, J.
000003739 700__ $$aFouesneau, M.
000003739 700__ $$aFrémat, Y.
000003739 700__ $$aGalluccio, L.
000003739 700__ $$aGarcía-Torres, M.
000003739 700__ $$aGonzález-Núñez, J.
000003739 700__ $$aGonzález-Vidal, J. J.
000003739 700__ $$aGosset, E.
000003739 700__ $$aGuy, L. P.
000003739 700__ $$aHalbwachs, J.-L.
000003739 700__ $$aHambly, N. C.
000003739 700__ $$aHarrison, D. L.
000003739 700__ $$aHernández, J.
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000003739 700__ $$aHodgkin, S. T.
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000003739 700__ $$aJasniewicz, G.
000003739 700__ $$aJean-Antoine-Piccolo, A.
000003739 700__ $$aJordan, S.
000003739 700__ $$aKorn, A. J.
000003739 700__ $$aKrone-Martins, A.
000003739 700__ $$aLanzafame, A. C.
000003739 700__ $$aLebzelter, T.
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000003739 700__ $$aMartín-Fleitas, J. M.
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000003739 700__ $$aPauwels, T.
000003739 700__ $$aPetit, J.-M.
000003739 700__ $$aRecio-Blanco, A.
000003739 700__ $$aRichards, P. J.
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000003739 700__ $$aSiopis, C.
000003739 700__ $$aSmith, M.
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000003739 700__ $$aAnglada Varela, E.
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000003739 700__ $$aAstraatmadja, T. L.
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000003739 700__ $$aBaker, S. G.
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000003739 700__ $$aBarache, C.
000003739 700__ $$aBarata, C.
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000003739 700__ $$aBarblan, F.
000003739 700__ $$aBarklem, P. S.
000003739 700__ $$aBarrado, D.
000003739 700__ $$aBarros, M.
000003739 700__ $$aBarstow, M. A.
000003739 700__ $$aBartholomé Muñoz, S.
000003739 700__ $$aBassilana, J.-L.
000003739 700__ $$aBecciani, U.
000003739 700__ $$aBellazzini, M.
000003739 700__ $$aBerihuete, A.
000003739 700__ $$aBertone, S.
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000003739 700__ $$aBienaymé, O.
000003739 700__ $$aBlanco-Cuaresma, S.
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000003739 700__ $$aBoeche, C.
000003739 700__ $$aBombrun, A.
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000003739 700__ $$aBouquillon, S.
000003739 700__ $$aBourda, G.
000003739 700__ $$aBragaglia, A.
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000003739 700__ $$aBrouillet, N.
000003739 700__ $$aBrüsemeister, T.
000003739 700__ $$aBrugaletta, E.
000003739 700__ $$aBucciarelli, B.
000003739 700__ $$aBurlacu, A.
000003739 700__ $$aBusonero, D.
000003739 700__ $$aButkevich, A. G.
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000003739 700__ $$aCancelliere, R.
000003739 700__ $$aCannizzaro, G.
000003739 700__ $$aCantat-Gaudin, T.
000003739 700__ $$aCarballo, R.
000003739 700__ $$aCarlucci, T.
000003739 700__ $$aCarrasco, J. M.
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000003739 700__ $$aCastellani, M.
000003739 700__ $$aCastro-Ginard, A.
000003739 700__ $$aCharlot, P.
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000003739 700__ $$aChiavassa, A.
000003739 700__ $$aCocozza, G.
000003739 700__ $$aCostigan, G.
000003739 700__ $$aCowell, S.
000003739 700__ $$aCrifo, F.
000003739 700__ $$aCrosta, M.
000003739 700__ $$aCrowley, C.
000003739 700__ $$aCuypers, J.
000003739 700__ $$aDafonte, C.
000003739 700__ $$aDamerdji, Y.
000003739 700__ $$aDapergolas, A.
000003739 700__ $$aDavid, P.
000003739 700__ $$aDavid, M.
000003739 700__ $$ade Laverny, P.
000003739 700__ $$aDe Luise, F.
000003739 700__ $$aDe March, R.
000003739 700__ $$ade Martino, D.
000003739 700__ $$ade Souza, R.
000003739 700__ $$ade Torres, A.
000003739 700__ $$aDebosscher, J.
000003739 700__ $$adel Pozo, E.
000003739 700__ $$aDelbo, M.
000003739 700__ $$aDelgado, A.
000003739 700__ $$aDelgado, H. E.
000003739 700__ $$aDi Matteo, P.
000003739 700__ $$aDiakite, S.
000003739 700__ $$aDiener, C.
000003739 700__ $$aDistefano, E.
000003739 700__ $$aDolding, C.
000003739 700__ $$aDrazinos, P.
000003739 700__ $$aDurán, J.
000003739 700__ $$aEdvardsson, B.
000003739 700__ $$aEnke, H.
000003739 700__ $$aEriksson, K.
000003739 700__ $$aEsquej, P.
000003739 700__ $$aEynard Bontemps, G.
000003739 700__ $$aFabre, C.
000003739 700__ $$aFabrizio, M.
000003739 700__ $$aFaigler, S.
000003739 700__ $$aFalcão, A. J.
000003739 700__ $$aFarràs Casas, M.
000003739 700__ $$aFederici, L.
000003739 700__ $$aFedorets, G.
000003739 700__ $$aFernique, P.
000003739 700__ $$aFigueras, F.
000003739 700__ $$aFilippi, F.
000003739 700__ $$aFindeisen, K.
000003739 700__ $$aFonti, A.
000003739 700__ $$aFraile, E.
000003739 700__ $$aFraser, M.
000003739 700__ $$aFrézouls, B.
000003739 700__ $$aGai, M.
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000003739 700__ $$aGarabato, D.
000003739 700__ $$aGarcía-Sedano, F.
000003739 700__ $$aGarofalo, A.
000003739 700__ $$aGarralda, N.
000003739 700__ $$aGavel, A.
000003739 700__ $$aGavras, P.
000003739 700__ $$aGerssen, J.
000003739 700__ $$aGeyer, R.
000003739 700__ $$aGiacobbe, P.
000003739 700__ $$aGilmore, G.
000003739 700__ $$aGirona, S.
000003739 700__ $$aGiuffrida, G.
000003739 700__ $$aGlass, F.
000003739 700__ $$aGomes, M.
000003739 700__ $$aGranvik, M.
000003739 700__ $$aGueguen, A.
000003739 700__ $$aGuerrier, A.
000003739 700__ $$aGuiraud, J.
000003739 700__ $$aGutiérrez-Sánchez, R.
000003739 700__ $$aHofmann, W.
000003739 700__ $$aHolland, G.
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000003739 700__ $$aIcardi, V.
000003739 700__ $$aJanßen, K.
000003739 700__ $$aJevardat de Fombelle, G.
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000003739 700__ $$aJuhász, Á. L.
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000003739 700__ $$aLe Poncin-Lafitte, C.
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000003739 700__ $$aRamos-Lerate, M.
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000003739 700__ $$aRiclet, F.
000003739 700__ $$aRipepi, V.
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000003739 700__ $$aRomero-Gómez, M.
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000003739 700__ $$aRuiz-Dern, L.
000003739 700__ $$aSadowski, G.
000003739 700__ $$aSagristà Sellés, T.
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000003739 700__ $$aSalgado, J.
000003739 700__ $$aSalguero, E.
000003739 700__ $$aSanna, N.
000003739 700__ $$aSantana-Ros, T.
000003739 700__ $$aSarasso, M.
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000003739 700__ $$aSchultheis, M.
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000003739 700__ $$aSegol, M.
000003739 700__ $$aSegovia, J. C.
000003739 700__ $$aSégransan, D.
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000003739 700__ $$aSilva, A. F.
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000003739 700__ $$aSolano, E.
000003739 700__ $$aSolitro, F.
000003739 700__ $$aSordo, R.
000003739 700__ $$aSoria Nieto, S.
000003739 700__ $$aSouchay, J.
000003739 700__ $$aSpagna, A.
000003739 700__ $$aSpoto, F.
000003739 700__ $$aStampa, U.
000003739 700__ $$aSteele, I. A.
000003739 700__ $$aSteidelmüller, H.
000003739 700__ $$aStephenson, C. A.
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000003739 700__ $$aTaylor, M. B.
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000003739 700__ $$aTorra Clotet, F.
000003739 700__ $$aTuron, C.
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000003739 700__ $$aUtrilla, E.
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000003739 700__ $$aVaillant, M.
000003739 700__ $$aValentini, G.
000003739 700__ $$aValette, V.
000003739 700__ $$avan Elteren, A.
000003739 700__ $$aVan Hemelryck, E.
000003739 700__ $$avan Leeuwen, M.
000003739 700__ $$aVaschetto, M.
000003739 700__ $$aVecchiato, A.
000003739 700__ $$aViala, Y.
000003739 700__ $$aVicente, D.
000003739 700__ $$aVogt, S.
000003739 700__ $$avon Essen, C.
000003739 700__ $$aVoss, H.
000003739 700__ $$aVotruba, V.
000003739 700__ $$aVoutsinas, S.
000003739 700__ $$aWalmsley, G.
000003739 700__ $$aWeiler, M.
000003739 700__ $$aWertz, O.
000003739 700__ $$aWevems, T.
000003739 700__ $$aWyrzykowski, Ł.
000003739 700__ $$aYoldas, A.
000003739 700__ $$aŽerjal, M.
000003739 700__ $$aZiaeepour, H.
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000003739 700__ $$aZurbach, C.
000003739 700__ $$aZwitter, T.
000003739 773__ $$cA12, 47 pp$$pAstronomy & Astrophysics$$v616$$y2018
000003739 8560_ $$fronny.blomme@observatoire.be
000003739 85642 $$ahttp://adsabs.harvard.edu/abs/2018A%26A...616A..12G
000003739 905__ $$apublished in
000003739 980__ $$aREFERD