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Synthesis models for starburst populations with Wolf-Rayet stars

Published online by Cambridge University Press:  25 May 2016

Claus Leitherer
Claus Leitherer*
Affiliation:
Space Telescope Science Institute1, 3700 San Martin Drive, Baltimore, MD 21218, USA

Abstract

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The prospects of utilizing Wolf-Rayet populations in starburst galaxies to infer the stellar content are reviewed. I discuss which WR star features can be detected in an integrated stellar population. Specific examples are given where the presence of WR stars can help understand galaxy properties independent of the O-type star population. I demonstrate how populations with small age spread, such as super star clusters, permit observational tests to distinguish between single-star and binary models to produce WR stars. Different synthesis models for WR populations are compared. Predictions for WR properties vary dramatically between individual models. The current state of the models is such that a comparison with starburst populations is more useful for improving WR atmosphere and evolution models than for deriving the star-formation history and the initial mass function.

Type
Part 5. Wolf-Rayet stars and other massive stars in starburst galaxies: the case of Wolf-Rayet galaxies (integrated spectra)
Information
Symposium - International Astronomical Union , Volume 193: Wolf-Rayet Phenomena in Massive Stars and Starburst Galaxies , 1999 , pp. 526 - 538
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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