Carbon and M-type giant stars in the Magellanic Clouds

Details Carbon and M-type giant stars in the Magellanic Clouds Carbon and M-type giant stars in the Magellanic Clouds

Feb 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978natur.271..638b&link_type=abstract

Nature, vol. 271, Feb. 16, 1978, p. 638, 639.

Computer Science

107

Carbon Stars, Galactic Evolution, Giant Stars, M Stars, Magellanic Clouds, Chemical Composition, Globular Clusters, Main Sequence Stars, Near Infrared Radiation, Star Distribution

Scientific paper

C- and M-type stars having the very low temperatures characteristic of stars evolving away from the main sequence are evaluated with respect to number and position in the galaxy, with attention to their distribution in the Large and Small Magellanic Clouds (LMC and SMC). Thanks to new optical techniques, stars with distance moduli of more than 22 mag can be detected. A ratio of C to M stars is presented, and the former are analyzed by near-infrared photometry. C stars are found to be most frequent in the bar regions between LMC and SMC, indicating that the clouds have had a different evolutionary history than the rest of the galaxy.

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