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Strömgren uvby photometry of the peculiar globular cluster NGC 2419
Matthias J. Frank, Andreas Koch, Sofia Feltzing +3
NGC 2419 is a peculiar Galactic globular cluster in terms of size/luminosity, and chemical abundance anomalies. Here, we present Strömgren photometry of the cluster. Using t…
The Gaia-ESO Survey: Detailed Abundances in the Metal-poor Globular Cluster NGC 4372
I. San Roman, C. Muñoz, D. Geisler +28
We present the abundance analysis for a sample of 7 red giant branch stars in the metal-poor globular cluster NGC 4372 based on UVES spectra acquired as part of the Gaia-ESO Survey…
The Galactic evolution of sulphur as traced by globular clusters
Nikolay Kacharov, Andreas Koch, Elisabetta Caffau +1
Sulphur is an important, volatile alpha element but its role in the Galactic chemical evolution is still uncertain. We derive the S abundances in RGB stars in three Galactic globul…