What can be deduced from open cluster metallicity measurements?

Details What can be deduced from open cluster metallicity measurements? What can be deduced from open cluster metallicity measurements?

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007mnras.382..693k&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 382, Issue 2, pp. 693-698.

Astronomy and Astrophysics

Astronomy

2

Methods: Statistical, Galaxy: Abundances, Open Clusters And Associations: General

Scientific paper

The dependence of [Fe/H] on galactocentric distance, distance from the galactic mid-plane and age is studied. Both ordinary least-squares and non-parametric regression in the form of a `generalized additive model' are used. The radial metallicity slope is found to be shallower than previously claimed in the literature, and there is a significant abundance gradient perpendicular to the galactic plane. There may be a tendency for metallicity to increase with cluster age.

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