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Radial Velocities of Extreme Helium Stars and of Hot sdO Stars

Published online by Cambridge University Press:  12 April 2016

John S. Drilling  and
U. Heber
John S. Drilling
Affiliation:
Department of Physics and Astronomy Louisiana State University Baton Rouge, LA 70803-4001, U.S.A.
U. Heber
Affiliation:
Institut für Theoretische Physik und Sternwarte der Universität Kiel Olshausenstr. 40, 2300 Kiel, F.R.G.

Abstract

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Radial velocities have been determined for nearly all the extreme helium stars and for the very hot sdO stars discovered by Drilling from high-resolution spectra obtained at ESO and at CTIO.

References

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Pottasch, S.R: 1984, Planetary Nebulae: A Study of Late Stages of Stellar Evolution (Dordrecht, Boston, Lancaster: D. Reidel), p. 26 Google Scholar
Schönberner, D., Drilling, J.S: 1984, Astrophys. J. 278, 702 CrossRefGoogle Scholar