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Empirical data on age and position in the Hertzsprung-Russell diagram for O and B-type stars

Published online by Cambridge University Press:  14 August 2015

A. Blaauw
A. Blaauw*
Affiliation:
Kapteyn Laboratory, Groningen

Extract

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For satisfactory tests of the theory of the evolution of the massive stars, accurate data are required on their positions in the HR diagram together with the corresponding ages. The following remarks deal with two pieces of information relevant to this problem.

Type
II. Theoretical Interpretations of the Hertzsprung-Russell Diagram
Information
Symposium - International Astronomical Union , Volume 10: The Hertzsprung-Russell Diagram , 1959 , pp. 105 - 108
Copyright
Copyright © CNRS 1959 

References

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[3] Blaauw, A. and Morgan, W. W., Ap. J., 117, 256, 1953.Google Scholar
[4] Johnson, H. L., Ap. J., 126, 121, 1957.CrossRefGoogle Scholar
[5] Bertiau, F. C., Ap. J., 128, 533, 1958.CrossRefGoogle Scholar