Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...203l..81c&link_type=abstract
Astrophysical Journal, vol. 203, Jan. 15, 1976, pt. 2, p. L81-L85. Research supported by the National Research Council of Canad
Astronomy and Astrophysics
Astrophysics
31
Carbon Stars, Magellanic Clouds, Molecular Spectra, Stellar Evolution, Stellar Spectra, Bolometers, Hertzsprung-Russell Diagram, Stellar Luminosity, Stellar Mass, Stellar Structure
Scientific paper
The properties of seven carbon stars which are very likely members of the Large Magellanic Cloud are discussed. Three exhibit enhanced molecular bands of C-13, while one bears a spectroscopic resemblance to the peculiar Galactic carbon star, WZ Cas. The range in bolometric absolute magnitude for the seven stars is found to be from -5.7 to -6.6. By placing the stars in a theoretical H-R diagram, it is concluded that (1) all seven are double-shell burning stars, (2) four of the seven have just recently begun helium shell flashes and, (3) the mass range for the objects observed is from 3 to 9 solar masses.
Crabtree Dennis Richard
Richer Harvey B.
Westerlund Bengt E.
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