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Spectral Variations of Theta Muscae (WC 6 + O 9.5 I) in the Ultraviolet

Published online by Cambridge University Press:  14 August 2015

F. Beeckmans ,
C.A. Grady ,
F. Macchetto  and
K.A. van der Hucht
F. Beeckmans
Affiliation:
Astronomy Division, Space Science Department of ESA
C.A. Grady
Affiliation:
LASP, University of Colorado
F. Macchetto
Affiliation:
Astronomy Division, Space Science Department of ESA
K.A. van der Hucht
Affiliation:
Space Research Laboratory, University of Utrecht

Abstract

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High and low resolution spectra of the spectroscopic triple star θ Muscae were studied for time-variability. Within 7 min no variations were found in the low resolution data. On a time scale of 8 days and longer, variations in the P Cygni profiles of the resonance lines occur. These may be explained as variable mass loss from the system, or as aspect effects in an asymmetric wind flow.

Type
SESSION 4 — OBSERVATIONS OF WOLF-RAYET BINARIES
Information
Symposium - International Astronomical Union , Volume 99: Wolf-Rayet Stars: Observations, Physics, Evolution , 1982 , pp. 311 - 315
Copyright
Copyright © Reidel 1982 

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