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Wolf-Rayet Stars in Nearby Galaxies: Facts and Fancies

Published online by Cambridge University Press:  03 August 2017

Philip Massey  and
Taft E. Armandroff
Philip Massey
Affiliation:
Kitt Peak National Observatory National Optical Astronomy Observatories
Taft E. Armandroff
Affiliation:
Kitt Peak National Observatory National Optical Astronomy Observatories

Abstract

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Surveys for Wolf-Rayet stars in nearby galaxies are briefly reviewed. The completeness and yield of these surveys are discussed in light of recent follow-up spectroscopy. A critical evaluation is made of our current knowledge of the Wolf-Rayet population in nearby galaxies, particularly the WC/WN ratio, the WR/O ratio, the WR surface density, and how these quantities vary within a galaxy and between galaxies, particularly as a function of metallicity. We compare the spectroscopic properties of Galactic and Magellanic Cloud WR stars with those in the more distant systems.

Type
Session VIII. Inventory and Distribution
Information
Symposium - International Astronomical Union , Volume 143: Wolf–Rayet Stars and Interrelations with other Massive Stars in Galaxies , 1991 , pp. 575 - 586
Copyright
Copyright © Kluwer 1991 

References

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