Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...252..208k&link_type=abstract
Astrophysical Journal, Part 1, vol. 252, Jan. 1, 1982, p. 208-213.
Astronomy and Astrophysics
Astronomy
8
Binary Stars, Carbon Stars, Line Spectra, Stellar Temperature, Stellar Winds, Ultraviolet Astronomy, Doppler Effect, Iue, Lagrangian Equilibrium Points, O Stars, Radiation Pressure, Stellar Luminosity, Stellar Mass Ejection, Stellar Spectrophotometry, Temperature Distribution, Wolf-Rayet Stars
Scientific paper
The close binary system Gamma(2) Vel, consisting of a WC8 and an O9 I star, has been observed in the ultraviolet at various phases. Preliminary analysis of selected data shows that the temperature of the stellar wind from this binary increases outward. This suggests that an additional source of energy other than radiation pressure may exist for the wind. The mass flow occurs in all directions from the binary. However, there is evidence of an increase in the mass flow through the third Lagrangian point, although from the extant data it is not possible to decide whether or not a similar increase in the mass outflow occurs through the second Lagrangian point. There is also evidence of mass surge, which probably is independent of orbital phase.
Feibelman Walter A.
Kondo Yoshihiko
West Daniel K.
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