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A wide angle view of the Sagittarius dwarf spheroidal galaxy. II. A CEMP-r/s star in the Sagittarius dwarf Spheroidal Galaxy
2020
Astronomy and Astrophysics
We report on the discovery and chemical abundance analysis of the first CEMP-r/s star detected in the Sagittarius dwarf spheroidal galaxy (Sgr dSph) by means of UVES high-resolution spectra. The star, found in the outskirts of Sgr dSph, along the major axis of the main body, is a moderately metal-poor giant (T eff = 4753 K, log g = 1.75, [Fe/H] = −1.55) with [C/Fe] = 1.13, placing it in the so-called "high-carbon band", and strong s-process and r-process enrichment ([Ba/Fe] = 1.4, [Eu/Fe] =
doi:10.1051/0004-6361/202037908
fatcat:5gs3lbswmbb57pwslp22jmfkeq