Abstract
The WC star γ2 Vel has been resolved at radio wavelengths with the VLA. At a frequency of 4860 MHz, the flux density observed at a given antenna separation is independent of the position angle of the baseline, implying that the wind is spherical. The data at three frequencies suggest that the electron density decreases with distance more rapidly than r-2 for distances greater than 3 x 1015 cm. The wind is isothermal with temperature 5600 ± 500 K, and the mass loss rate is (8.6 ± 1.0) x 10-5 M0 yr-1.
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References
Abbott, D. C. and Bieging, J. H. 1984, B.A.A.S. 16, 508.
White, R. L. and Becker, R. H. 1982, Ap. J. 262, 657.
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© 1985 D. Reidel Publishing Company
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Hogg, D.E. (1985). Resolution of the Radio Source γ2 Vel. In: Hjellming, R.M., Gibson, D.M. (eds) Radio Stars. Astrophysics and Space Science Library, vol 116. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-5420-5_17
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DOI: https://doi.org/10.1007/978-94-009-5420-5_17
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