Radial abundance gradients as a constraint of the [O/Fe]/×[Fe/H] relation in the galactic disk

Details Radial abundance gradients as a constraint of the [O/Fe]/×[Fe/H] relation in the galactic disk Radial abundance gradients as a constraint of the [O/Fe]/×[Fe/H] relation in the galactic disk

Jul 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001newar..45..571m&link_type=abstract

New Astronomy Reviews, Volume 45, Issue 8, p. 571-572.

Astronomy and Astrophysics

Astronomy

8

Scientific paper

Radial O/H abundance gradients from HII regions, hot stars and planetary nebulae are combined with [Fe/H] gradients from open cluster stars in order to derive an independent [O/Fe]×[Fe/H] relation for the galactic disk. A comparison of the obtained relation with recent observational data and theoretical models suggests that the [O/Fe] abundances do not reach values higher than 0.4 dex, at least within the metallicity range of the considered samples, [Fe/H]>-1.5.

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