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New analysis of Wolf-Rayet infrared lines

Published online by Cambridge University Press:  07 August 2017

P.R.J. Eenens  and
P. M. Williams
P.R.J. Eenens
Affiliation:
Institute de Astronomía, UNAM, Apartado Postal 877, Ensenada, B.C., Mexico
P. M. Williams
Affiliation:
Royal Observatories, Edinburgh EH9 3HJ, United Kingdom

Abstract

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New infrared spectra of Wolf-Rayet stars are analysed to derive C/He abundance ratios and ionization ratios. These ratios are discussed in relation with subtype, terminal velocity and local metallicity. They are compared with the predictions of evolutionary models.

Keywords

stars: Wolf-Rayetevolutionatmospheres
Type
Session II - Model atmospheres for single Wolf-Rayet stars
Information
Symposium - International Astronomical Union , Volume 163: Wolf-Rayet Stars: Binaries, Colliding Winds, Evolution , 1995 , pp. 156 - 157
Copyright
Copyright © Kluwer 1995 

References

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