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Probing Mass Segregation in NGC 6397
E. Martinazzi, A. Pieres, S. O. Kepler +3
In this study, we present a detailed study of mass segregation in the globular clister NGC 6397. First, we carry out a photometric analysis of projected ESO-VLT data (between 1 and…
High-resolution abundance analysis of red giants in the globular cluster NGC 6522
B. Barbuy, C. Chiappini, E. Cantelli +11
The [Sr/Ba] and [Y/Ba] scatter observed in some galactic halo stars that are very metal-poor stars and in a few individual stars of the oldest known Milky Way globular cluster NGC…
New Galactic embedded clusters and candidates from a WISE Survey
Denilso Camargo, Eduardo Bica, Charles Bonatto
We carried out a search for new infrared star clusters, stellar groups and candidates using WISE images, which are very sensitive to dust emission nebulae. We report the discovery…
VISTA Variables in the Vía Láctea (VVV): Halfway Status and Results
Maren Hempel, Dante Minniti, István Dékány +89
The VISTA Variables in the Vía Láctea (VVV) survey is one of six public ESO surveys, and is now in its 4th year of observing. Although far from being complete, the VVV survey has a…
Probing embedded star clusters in the HII complex NGC 6357 with VVV
E. F. Lima, E. Bica, C. Bonatto +1
NGC 6357 is an active star-forming region located in the Sagittarius arm displaying several star clusters, which makes it a very interesting target to investigate star formation an…