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Abundances in Magellanic Cloud Young Populous Clusters

Published online by Cambridge University Press:  25 May 2016

V. Hill
V. Hill*
Affiliation:
ESO, K. Schwarzschild Str. 2, D-85748 Garching b. München, Germany

Abstract

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Detailed abundances are measured in cool supergiants in Magellanic Cloud young populous clusters (NGC 330 in the SMC, NGC 2004, NGC 2100 and NGC 1818 in the LMC) and compared to those recently observed in samples of field supergiants in each Cloud. The analysis of the field supergiants shows no evidence of any abundance dispersion among the stars, compatible with a well mixed gas in these galaxies. However, previous determinations of the metallicity of NGC 330 and NGC 1818 give values well below the respective field values. This difference is investigated using a homogeneous method for the field and cluster samples, and the abundance ratios of various elements are examined.

Type
Part 3. Massive Stars and 30 Doradus
Information
Symposium - International Astronomical Union , Volume 190: New Views of the Magellanic Clouds , 1999 , pp. 208 - 212
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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