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The Bologna Open Cluster Chemical Evolution project: a large, homogeneous sample of Galactic open clusters

Published online by Cambridge University Press:  01 October 2008

Angela Bragaglia
Angela Bragaglia*
Affiliation:
INAF-Osservatorio Astronomico di Bologna, via Ranzani 1, I-40127 Bologna, Italy email: [email protected]
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Abstract

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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.

Keywords

techniques: photometrictechniques: spectroscopicstars: abundancesHertzsprung-Russell diagramGalaxy: abundancesGalaxy: diskopen clusters and associations: general
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 4 , Symposium S258: The Ages of Stars , October 2008 , pp. 153 - 160
Copyright
Copyright © International Astronomical Union 2009

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