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MyGIsFOS: an automated code for parameter determination and detailed abundance analysis in cool stars
L. Sbordone, E. Caffau, P. Bonifacio +1
The current and planned high-resolution, high-multiplexity stellar spectroscopic surveys, as well as the swelling amount of under-utilized data present in public archives have led…
Abundances of lithium, oxygen, and sodium in the turn-off stars of Galactic globular cluster 47 Tuc
V. Dobrovolskas, A. Kučinskas, P. Bonifacio +7
We aim to determine abundances of Li, O and Na in a sample of of 110 turn-off (TO) stars, in order to study the evolution of light elements in this cluster and to put our results i…
Three-dimensional hydrodynamical CO5BOLD model atmospheres of red giant stars. III. Line formation in the atmospheres of giants located close to the base of RGB
V. Dobrovolskas, A. Kučinskas, M. Steffen +5
We utilize state-of-the-art 3D hydrodynamical and classical 1D stellar model atmospheres to study the influence of convection on the formation properties of various atomic and mole…
TOPoS: I. Survey design and analysis of the first sample
E. Caffau, P. Bonifacio, L. Sbordone +14
The metal-weak tail of the metallicity distribution function (MDF) of the Galactic Halo stars contains crucial information on the formation mode of the first generation of stars. T…
Isotope Spectroscopy
E. Caffau, M. Steffen, P. Bonifacio +4
The measurement of isotopic ratios provides a privileged insight both into nucleosynthesis and into the mechanisms operating in stellar envelopes, such as gravitational settling. I…
X-Shooter GTO: evidence for a population of extremely metal-poor, alpha-poor stars
E. Caffau, P. Bonifacio, P. Francois +12
The extremely metal-poor stars are the direct descendants of the first generation stars. They carry the chemical signature of the pristine Universe at the time they formed, shortly…