Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...210...25s&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 210, no. 1-2, Feb. 1989, p. 25-34.
Astronomy and Astrophysics
Astrophysics
54
Abundance, Chemical Evolution, Magellanic Clouds, Metallicity, Supergiant Stars, Early Stars, F Stars, G Stars, Nuclear Fusion, Signal To Noise Ratios, Star Formation, Stellar Atmospheres
Scientific paper
The metallicity of three F-G supergiants in the SMC is studied. The metal abundance is found to be lower by a factor of three to five compared to that of Canopus, which is considered as a young object with solar metallicity. Differences in the patterns of individual metal abundances compared to the solar pattern are attributed to imperfections in the analysis. It is concluded that the metallicity of the supergiants under study should be representative of the metallicity of the material which formed them. The metal deficiency is probably representative of the metallicity of the SMC 'disk'.
François Patrick
Spite Francois
Spite Monique
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