Astronomy and Astrophysics – Astrophysics
Scientific paper
2007-03-29
Mon.Not.Roy.Astron.Soc.378:L59-L63,2007
Astronomy and Astrophysics
Astrophysics
5 pages, 4 figures; accepted for publication in MNRAS Letters
Scientific paper
10.1111/j.1745-3933.2007.00320.x
Despite the many studies on stellar nucleosynthesis published so far, the scenario for the production of Cu in stars remains elusive. In particular, it is still debated whether copper originates mostly in massive stars or type Ia supernovae. To answer this question, we compute self-consistent chemical evolution models taking into account the results of updated stellar nucleosynthesis. By contrasting copper evolution in Omega Cen and the Milky Way, we end up with a picture where massive stars are the major responsible for the production of Cu in Omega Cen as well as the Galactic disc.
Matteucci Francesca
Romano Donatella
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