Chemical evolution of the Magellanic Clouds. III - Oxygen and carbon abundances in a few F supergiants of the Small Cloud

Details Chemical evolution of the Magellanic Clouds. III - Oxygen and carbon abundances in a few F supergiants of the Small Cloud Chemical evolution of the Magellanic Clouds. III - Oxygen and carbon abundances in a few F supergiants of the Small Cloud

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...222...35s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 222, no. 1-2, Sept. 1989, p. 35-40. Research supported by the Observatoire de

Astronomy and Astrophysics

Astrophysics

52

Chemical Evolution, F Stars, H Ii Regions, Magellanic Clouds, Oxygen, Supergiant Stars, Abundance, Carbon, Milky Way Galaxy, Thermodynamic Equilibrium

Scientific paper

The O and C abundances in three F supergiants of the SMC are determined using spectra obtained with a coude echelle spectrometer with a resolving power of about 40,000. It is found that the C abundance of the three supergiants is about C/H abundance = -0.9 dex, while the O/H abundance is about -0.8 dex. The results are compared to Galactic supergiants, using Canopus as a representative supergiant.

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