RMxAA

Revista Mexicana de Astronomía y Astrofísica

ISSN: 3061-8649
Vol. 33 No. 1 (1997), Research articles
Vol. 33 No. 1 (1997)
Research articles

Observational Evidence for Evolutionary Connections between Wolf-Rayet Stars and Red Supergiants

Published 1997-01-01
Georgiev L. N.
Department of Astronomy, Sofia University, Sofia, Bulgaria and Instituto de Astronomía, Univ. Nal. Autónoma de México (IAUNAM), México, D. F., México Department of Astronomy, Sofia University, Sofia, Bulgaria
Ivanov G. R.
Department of Astronomy, Sofia University, Sofia, Bulgaria and Instituto de Astronomía, Univ. Nal. Autónoma de México (IAUNAM), México, D. F., México Department of Astronomy, Sofia University, Sofia, Bulgaria
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Observational Evidence for Evolutionary Connections between Wolf-Rayet Stars and Red Supergiants. (1997). Revista Mexicana De Astronomía Y Astrofísica, 33(1), 117-121. https://astronomia.unam.mx/journals/rmxaa/article/view/1997rmxaa..33..117g
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Abstract

The influence of metallicity on the formation of WR stars is examined for the M33 galaxy. The luminosity limit of red supergiants, which can evolve to WR stars, is obtained. On the basis of this limit, the existence of a gradient of the WR stars-to-red supergiants ratio with galactocentric distance (Maeder et al. 1980) is confirmed.
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