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The metallicity distribution in the core of the Sagittarus dwarf spheroidal: minimising the metallicity biases
Alice Minelli, Michele Bellazzini, Alessio Mucciarelli +7
We present metallicity and radial velocity for 450 bonafide members of the Sagittarius dwarf spheroidal (Sgr dSph) galaxy, measured from high resolution (R~18000) FLAMES@VLT spectr…
Sulfur abundances in three Galactic clusters: Ruprecht 106, Trumpler 5 and Trumpler 20
F. Lucertini, L. Monaco, E. Caffau +4
Context. Sulfur (S) is one of the lesser-studied -elements. Published investigations of its behavior have so far focused on local stars, and only a few clusters of the Milky Way…
Investigating a predicted metallicity [Fe/H] variation in the Type II Globular Cluster NGC 362
C. Vargas, S. Villanova, D. Geisler +4
NGC 362 is a non-common Type II Galactic globular cluster, showing a complex pseudo two-color diagram or 'chromosome map'. The clear separation of its stellar populations in the co…