Browsing by Author "Thygesen, A. O."
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- ItemThe chemical composition of red giants in 47 Tucanae I. Fundamental parameters and chemical abundance patterns(2014) Thygesen, A. O.; Sbordone, L.; Andrievsky, S.; Korotin, S.; Yong, D.; Zaggia, S.; Ludwig, H. -G.; Collet, R.; Asplund, M.; Ventura, P.; D'Antona, F.; Melendez, J.; D'Ercole, A.Context. The study of chemical abundance patterns in globular clusters is key importance to constraining the different candidates for intracluster pollution of light elements.
- ItemThe chemical composition of red giants in 47 Tucanae II. Magnesium isotopes and pollution scenarios(EDP SCIENCES S A, 2016) Thygesen, A. O.; Sbordone, L.; Ludwig, H. G.; Ventura, P.; Yong, D.; Collet, R.; Christlieb, N.; Melendez, J.; Zaggia, S.Context. The phenomenon of multiple populations in globular clusters is still far from understood, with several proposed mechanisms to explain the observed behaviour. The study of elemental and isotopic abundance patterns are crucial for investigating the differences among candidate pollution mechanisms.