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Chemically tagging the Galactic disk: abundance patterns of old open clusters

Published online by Cambridge University Press:  01 June 2008

G. M. De Silva ,
K. C. Freeman  and
J. Bland-Hawthorn
G. M. De Silva
Affiliation:
European Southern Observatory, Karl-Schwarzschild Str 2. D-85748 Garching, Germany email: gdesilva@eso.org
K. C. Freeman
Affiliation:
Research School of Astronomy and Astrophysics, Mount Stromlo Observatory, Australian National University. ACT 2611. Australia email: kcf@mso.anu.edu.au
J. Bland-Hawthorn
Affiliation:
Institute of Astronomy, University of Sydney, NSW 2006, Australia email: jbh@physics.usyd.edu.au
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Abstract

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The long term goal of large-scale chemical tagging is to use stellar elemental abundances as a tracer of dispersed substructures of the Galactic disk. The identification of such lost stellar aggregates and exploring their chemical properties will be key in understanding the formation and evolution of the disk. Present day stellar structures such as open clusters and moving groups are the ideal testing grounds for the viability of chemical tagging, as they are believed to be the remnants of the original larger star-forming aggregates. We examine recent high resolution abundance studies of open clusters to explore the various abundance trends and reassess the prospects of large-scale chemical tagging.

Keywords

Galaxy: formation – evolutionopen clusters and associations: general
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 4 , Issue S254: The Galaxy Disk in Cosmological Context , June 2008 , pp. 133 - 138
Copyright
Copyright © International Astronomical Union 2009

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