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Metallicity analysis of an SMC cluster sample using Caii-triplet spectroscopy

Published online by Cambridge University Press:  18 January 2010

M. C. Parisi ,
A. Grocholski ,
D. Geisler ,
A. Sarajedini  and
J. J. Clariá
M. C. Parisi
Affiliation:
Observatorio Astronómico de Córdoba, Argentina email: celeste@oac.uncor.edu, claria@oac.uncor.edu
A. Grocholski
Affiliation:
Space Telescope Science Institute, Baltimore, MD, USA email: aarong@stsci.edu
D. Geisler
Affiliation:
Universidad de Concepción, Chile email: dgeisler@astro-udec.cl
A. Sarajedini
Affiliation:
University of Florida, Gainesville, FL, USA email: ata@astro.ufl.edu
J. J. Clariá
Affiliation:
Observatorio Astronómico de Córdoba, Argentina email: celeste@oac.uncor.edu, claria@oac.uncor.edu
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Abstract

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The metallicities of 15 Small Magellanic Cloud (SMC) clusters are determined from the Calcium ii-triplet lines in spectra obtained using the FORS2 multi-object spectrograph on the VLT (Paranal, Chile). The metallicity distribution, metallicity gradient and age–metallicity relationship in the SMC are determined and analyzed using new and literature data for these and other, previously studied SMC objects. Only the main results regarding these topics are presented and discussed.

Keywords

galaxies: star clusterstechniques: spectroscopic
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S266: Star clusters: basic galactic building blocks throughout time and space , August 2009 , pp. 483 - 486
Copyright
Copyright © International Astronomical Union 2010

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