Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009iaus..258..153b&link_type=abstract
The Ages of Stars, Proceedings of the International Astronomical Union, IAU Symposium, Volume 258, p. 153-160
Astronomy and Astrophysics
Astronomy
Techniques: Photometric, Techniques: Spectroscopic, Stars: Abundances, Hertzsprung-Russell Diagram, Galaxy: Abundances, Galaxy: Disk, Open Clusters And Associations: General
Scientific paper
The Bologna Open Cluster Chemical Evolution (BOCCE) project is a photometric and spectroscopic survey of open clusters, to be used as tracers of the Galactic disk properties and evolution. The clusters parameters (age, distance, reddening, metallicity, and detailed abundances) are derived in a precise and homogeneous way. This will contribute to a solid, reliable description of the disk: the clusters parameters will be used, for instance, to determine the metallicity distribution in the Galactic disk and how it has evolved with time. We have concentrated on old open clusters and we have presently in our hands data for about 40 open clusters; we have fully analyzed the photometric data for about one half of them and the spectra for one quarter of them.
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