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The Search for Multiple Populations in Magellanic Cloud Clusters II: The Detection of Multiple Populations in Three Intermediate-Age SMC Clusters
F. Niederhofer, N. Bastian, V. Kozhurina-Platais +14
This is the second paper in our series about the search for multiple populations in Magellanic Cloud star clusters using the Hubble Space Telescope. Here we report the detection of…
The age of the young bulge-like population in the stellar system Terzan5: linking the Galactic bulge to the high-z Universe
F. R. Ferraro, D. Massari, E. Dalessandro +5
The Galactic bulge is dominated by an old, metal rich stellar population. The possible presence and the amount of a young (a few Gyr old) minor component is one of the major issues…
Multiple populations in the old and massive Small Magellanic Cloud globular cluster NGC121
E. Dalessandro, E. Lapenna, A. Mucciarelli +3
We used a combination of optical and near-UV Hubble Space Telescope photometry and FLAMES/ESO-VLT high-resolution spectroscopy to characterize the stellar content of the old and ma…
No evidence for younger stellar generations within the intermediate age massive clusters NGC 1783, NGC 1696 and NGC 411
I. Cabrera-Ziri, F. Niederhofer, N. Bastian +11
Recently, Li et al. (2016) claimed to have found evidence for multiple generations of stars in the intermediate age clusters NGC 1783, NGC 1696 and NGC 411 in the Large and Small M…
NGC6362: the least massive globular cluster with chemically distinct multiple populations
A. Mucciarelli, E. Dalessandro, D. Massari +6
We present the first measure of Fe and Na abundances in NGC 6362, a low-mass globular cluster where first and second generation stars are fully spatially mixed. A total of 160 memb…