The role of the star formation on the nitrogen abundance evolution

Details The role of the star formation on the nitrogen abundance evolution The role of the star formation on the nitrogen abundance evolution

2007-11-20

arxiv.org/abs/0711.3133v1

Astronomy and Astrophysics

Astrophysics

2 pages, 2 figures, proceedings of the conference Pathways Through an Eclectic Universe, Eds. T.Mahoney, A. Vazdekis & J. Knap

Scientific paper

We analyze the evolution of nitrogen resulting from a set of spiral and irregular galaxy models computed for a large number of input mass radial distributions and with various star formation efficiencies. We show that our models produce a nitrogen abundance evolution in good agreement with the observational data. Differences in the star formation histories of the regions and galaxies modeled are essential to reproduce the observational data in the N/O-O/H plane and the corresponding dispersion.

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