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We report results from an exploratory study implementing a new probe of Galactic evolution using archival Hubble Space Telescope imaging observations. Precise proper motions are combined with photometric relative metallicity and temperature indices, to produce the proper-motion rotation curves of...


Clarkson, W.I.Calamida, A.Sahu, K.C.Brown, T.M.Gennaro, M.Avila, R.J.Valenti, J.Debattista, V.P.Rich, R.M.Minniti, D.Zoccali, M.Aufdemberge, E.R.[Chemically Dissected Rotation Curves of the Galactic Bulge from Main-sequence Proper Motions]Chemically Dissected Rotation Curves of the Galactic Bulge from Main-sequence Proper Motions

We use deep, multi-epoch near-IR images of the VISTA Variables in the Via Lictea (VVV) Survey to measure proper motions (PMs) of stars in the Milky Way globular cluster (GC) FSR1716 = VVV-GC05. The colormagnitude diagram of this object, made by using PM-selected members, shows an extended horizon...


Ramos, R.C.Minniti, D.Fernández-Trincado, J.G.Alonso-Garcia, J.Catelan, M.Gran, F.Hajdu, G.Hanke, M.Hempel, M.Diaz, E.M.Pérez-Villegas, A.Rojas-Arriagada, A.Zoccali, M.[The Orbit of the New Milky Way Globular Cluster FSR1716 =VVV-GC05]The Orbit of the New Milky Way Globular Cluster FSR1716 =VVV-GC05

Context. In the last six years, the VISTA Variable in the Vía Láctea (VVV) survey mapped 562 sq. deg. across the bulge and southern disk of the Galaxy. However, a detailed study of these regions, which includes ∼36 globular clusters (GCs) and thousands of open clusters is by no means an easy chal...


Contreras Ramos, R.Zoccali, M.Rojas, F.Rojas-Arriagada, A.Gárate, M.Huijse, P.Gran, F.Soto, M.Valcarce, A.A.R.Estévez, P.A.Minniti, D.[Proper motions in the VVV Survey: Results for more than 15 million stars across NGC 6544]Proper motions in the VVV Survey: Results for more than 15 million stars across NGC 6544

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