CNO evolution: Milky way, dwarf galaxies and DLAs

Details CNO evolution: Milky way, dwarf galaxies and DLAs CNO evolution: Milky way, dwarf galaxies and DLAs

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ap%26ss.284..771c&link_type=abstract

Astrophysics and Space Science, v. 284, Issue 2, p. 771-774 (2003).

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

We compute the evolution of the C, N, O and Fe abundances as a function of time and galactocentric distance in the Milky Way (MW) for different sets of stellar yields. We then apply the `best' nucleosynthesis prescriptions found for the MW to other galaxies. Our main conclusions are: a) once the available observational data are properly interpreted, there is no compelling evidence for requiring the production of primary N in massive stars; b) both C and N we see today in the ISM come mainly from low- and intermediate-mass stars.

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