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Open Clusters as tracers of the Galactic disk: the Bologna Open Clusters Chemical Evolution project

Published online by Cambridge University Press:  01 June 2008

Angela Bragaglia ,
Eugenio Carretta ,
Raffaele Gratton  and
Monica Tosi
Angela Bragaglia
Affiliation:
INAF-Osservatorio Astronomico di Bolognavia Ranzani 1, I-40127 Bologna, Italy email: angela.bragaglia@oabo.inaf.it, eugenio.carretta@oabo.inaf.it, monica.tosi@oabo.inaf.it
Eugenio Carretta
Affiliation:
INAF-Osservatorio Astronomico di Bolognavia Ranzani 1, I-40127 Bologna, Italy email: angela.bragaglia@oabo.inaf.it, eugenio.carretta@oabo.inaf.it, monica.tosi@oabo.inaf.it
Raffaele Gratton
Affiliation:
INAF-Osservatorio Astronomico di Padovavicolo dell'Osservatorio 5, I-35122 Padova, Italy email: raffaele.gratton@oapd.inaf.it
Monica Tosi
Affiliation:
INAF-Osservatorio Astronomico di Bolognavia Ranzani 1, I-40127 Bologna, Italy email: angela.bragaglia@oabo.inaf.it, eugenio.carretta@oabo.inaf.it, monica.tosi@oabo.inaf.it
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Abstract

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We present an update of the Bologna Open Clusters Chemical Evolution project (BOCCE, in short). We are conducting a photometric and spectroscopic survey of Open Clusters, to be used as tracers of the Galactic disk properties and evolution. We obtain the clusters parameters (age, distance, metallicity, and detailed abundances) in a precise and homogeneous way. We have collected data for about 40 Open Clusters and have fully analyzed the photometric data for about one half and the spectra for one quarter of them. We present here results based on these works and indicate what will come next.

Keywords

techniques: photometrictechniques: spectroscopicstars: abundancesHertzsprung-Russell diagramGalaxy: abundancesGalaxy: diskopen clusters and associations: general

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