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The observation of blue giant stars at great distances from the sun

Published online by Cambridge University Press:  27 June 2016

W. W. Morgan
W. W. Morgan*
Affiliation:
Yerkes Observatory, Wisconsin, U.S.A.

Abstract

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A method is described for the discovery and observation of early-type giants which are too faint for ordinary spectroscopic observation in the blue region.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 5: The Large-Scale Structure of the Galactic System , 1958 , pp. 57 - 62
Copyright
Copyright © Cambridge University Press 1958 

References

REFERENCES

1. Morgan, W. W. Publ. Obs. Univ. Michigan, x, 33, 1950.Google Scholar
2. Morgan, W. W., Meinel, A. B. and Johnson, H. M. Ap. J. 120, 506, 1954.CrossRefGoogle Scholar
3. Johnson, H. L. and Morgan, W. W. Ap. J. 122, 142, 1955.CrossRefGoogle Scholar