FLAMES Observations of Old Open Clusters: Constraints on the Evolution of the Galactic Disc and Mixing Processes in Stars

Details FLAMES Observations of Old Open Clusters: Constraints on the Evolution of the Galactic Disc and Mixing Processes in Stars FLAMES Observations of Old Open Clusters: Constraints on the Evolution of the Galactic Disc and Mixing Processes in Stars

Sep 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005msngr.121...18r&link_type=abstract

The Messenger (ISSN0722-6691), No.121, p. 18-22 (September 2005)

Computer Science

17

Scientific paper

Open clusters are populous groups of stars whose members have the same age, chemical composition, and distance from the Sun. Hence, they provide homogeneous samples to investigate several important issues related to stellar and Galactic evolution. We present here an overview and preliminary results of a VLT/FLAMES programme aimed at a detailed study of seven old clusters. Our two main goals are the determination of the radial abundance gradients in the Galactic disc and their evolution with age, and the investigation of internal mixing processes in stars similar to our Sun.

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