Fe-peak element abundances in disk and halo stars

Details Fe-peak element abundances in disk and halo stars Fe-peak element abundances in disk and halo stars

2009-10-19

arxiv.org/abs/0910.3689v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

2 pages, 2 figures, IAUS 265 proceedings

Scientific paper

At present none of Galactic chemical evolution (GCE) models provides a self-consistent description of observed trends for all iron-peak elements with metallicity simultaneously. The question is whether the discrepancy is due to deficiencies of GCE models, such as stellar yields, or due to erroneous spectroscopically-determined abundances of these elements in metal-poor stars. The present work aims at a critical reevaluation of the abundance trends for several odd and even-Z Fe-peak elements, which are important for understanding explosive nucleosynthesis in supernovae.

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