Hostname: page-component-745bb68f8f-cphqk Total loading time: 0 Render date: 2025-02-03T06:01:17.378Z Has data issue: false hasContentIssue false
  • English
  • Français

Mass loss from Eta Carinae

Published online by Cambridge University Press:  14 August 2015

C. D. Andriesse  and
R. Viotti
C. D. Andriesse
Affiliation:
Kapteyn Astronomical Institute, Roden, The Netherlands
R. Viotti
Affiliation:
Laboratorio di Astrofisica Spaziale, Frascati, Italy

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

This high luminosity (5 × 106 L⊙) star since 1840 is losing mass at the rate of 7.5 × 10−2 M⊙ per year. The large mass loss could be the result of vibrational instabilities produced in the CNO hydrogen burning phase of a very massive (160 M⊙) star. The presence of high excitation lines in the ultraviolet spectrum of Eta Car suggests the idea of a hot zone excited by dissipation of the supersonic turbulent flow.

Type
Session 1: Optical Spectroscopy
Information
Symposium - International Astronomical Union , Volume 83: Mass Loss and Evolution of O-Type Stars , 1979 , pp. 47 - 50
Copyright
Copyright © Reidel 1979 

References

Andriesse, C.D., Donn, B.D. and Viotti, R., 1978, Mon. Not. Roy. Astron. Soc., in press.Google Scholar
Chiosi, C., Nasi, E. and Sreenivasan, S.R., 1978, Astron. Astrophys. 63, 103.Google Scholar
Feinstein, A., Marraco, H.G. and Muzzio, J.C., 1973, Astron. Astrophys. Suppl. 12, 331.Google Scholar
Hoyle, F., Solomon, P.M. and Woolf, N.J., 1973, Astrophys. J. 185, L89.Google Scholar
Neugebauer, G. and Westphal, J.A., 1968, Astrophys. J. 152, L89.Google Scholar
Viotti, R., Cassatella, A. and Giangrande, A., 1978, 4th Colloquium on Astrophysics of the Trieste Astronomical Observatory “High Resolution Spectroscopy”, Ed. Hack, M., Trieste 3–7 July 1978.Google Scholar