Age, metallicity and alpha-elements abundance in stellar population

Details Age, metallicity and alpha-elements abundance in stellar population Age, metallicity and alpha-elements abundance in stellar population

2007-08-13

arxiv.org/abs/0708.1716v1

Astronomy and Astrophysics

Astrophysics

2 pages, 2 figures, to appear in Pathways through an eclectic Universe, J. H. Knapen, T. J. Mahoney, and A. Vazdekis (Eds.), A

Scientific paper

We built modelled spectra of stellar population at high resolution and with variable alpha-elements enhancements. Analysing spectra of Galactic globular clusters we show that it is possible to derive reliably and efficiently [Mg/Fe] using spectra integrated along the line-of-sight. These detailed measurements open perspectives for investigating the enrichment process on galaxies and star clusters.

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