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Wolf-Rayet stars in the Magellanic Clouds

Published online by Cambridge University Press:  19 July 2016

Lindsey F. Smith
Lindsey F. Smith*
Affiliation:
Mount Stromlo & Siding Spring Observatories, Australian National University, GPO Box 4, Canberra, ACT 2601, Australia

Abstract

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The most striking feature of the Wolf-Rayet stars in the Magellanic Clouds is their subtype distribution. The range of WC subtypes found in the Large and Small Cloud agrees with evolutionary model predictions at the corresponding metallicities. It follows that the WR subtype distribution in any external galaxy is a clear indicator of the metallicity in that galaxy.

The fluxes in the emission lines of WC stars appear to be consistent within the LMC. This can be used (with some precautions) in the Milky Way and other galaxies to determine reddening, distance and the numbers of WR stars in compact regions.

Type
Stellar Evolution
Information
Symposium - International Astronomical Union , Volume 148: The Magellanic Clouds , 1991 , pp. 267 - 272
Copyright
Copyright © Kluwer 1991 

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