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VLT-UVES abundance analysis of four giants in NGC 6553
A. Alves-Brito, B. Barbuy, M. Zoccali +9
Metal-rich globular clusters trace the formation of bulges. Abundance ratios in the metal-rich globular clusters such as NGC 6553 can constrain the formation timescale of the Galac…
Carbon Stars in the Hamburg/ESO Survey: Abundances
Judith G. Cohen, Andrew McWilliam, Stephen Shectman +6
We have carried out a detailed abundance analysis for a sample of 16 carbon stars found among candidate extremely metal-poor (EMP) stars from the Hamburg/ESO Survey. We find that t…
Permitted Oxygen Abundances and the Temperature Scale of Metal-Poor Turn-Off Stars
J. Melendez, N. G. Shchukina, I. E. Vasiljeva +1
We use high quality VLT/UVES published data of the permitted OI triplet and FeII lines to determine oxygen and iron abundances in unevolved (dwarfs, turn-off, subgiants) metal-poor…