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Infrared Observations of Mass Loss from Massive Stars

Published online by Cambridge University Press:  03 August 2017

M.J. Barlow
M.J. Barlow*
Affiliation:
Department of Physics & Astronomy University College London Gower St., London WC1E 6BT.

Abstract

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The future use of space-borne IR spectroscopy to determine the ionization structure and abundances in the outer winds of WR stars is described. A mass loss rate of 1.7×10-5 M⊙ yr–1 has been derived from 10 μm photometry of the WO2 star Sanduleak 5 (WR 142). The He/H number ratios in the winds of P Cyg and AG Car have been derived from a recombination line analysis of their 1-4 μm spectra and mass loss rates of 2.2×10-5 M⊙ yr–1 and 3.7×10-5 M⊙ yr–1 have been respectively derived for them.

Type
Session V. Mass Loss
Information
Symposium - International Astronomical Union , Volume 143: Wolf–Rayet Stars and Interrelations with other Massive Stars in Galaxies , 1991 , pp. 281 - 288
Copyright
Copyright © Kluwer 1991 

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