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Intrinsic dispersion in early-type stars

Published online by Cambridge University Press:  14 August 2015

Bengt Strömgren*
Affiliation:
Institute for Avanced Study. Princeton

Extract

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The principal basic parameters of early-type stars being mass and age, two-dimensional classification according to the MK system corresponds to a mass-age classification.

Type
I. The Observational Data on the Hertzsprung-Russell Diagram
Copyright
Copyright © CNRS 1959 

References

[1] Strömgren, B., Pontificial Academy, Stellar Populations ed. O'Connell, , 245, North Holland Publishing Co., 1958; Specola Vaticana, 1958.Google Scholar
[2] Blaauw, A., Charlottesville Conference on the Cosmic Distance Scale , A. J., 63, 186, 1958.Google Scholar
[3] Sharpless, S., Ap. J. 116, 251, 1952, 119, 200, 1954.CrossRefGoogle Scholar