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Globular Cluster Ages and Distances

Published online by Cambridge University Press:  14 August 2015

Bruce W. Carney
Bruce W. Carney*
Affiliation:
Carnegie Institution of Washington, Department of Terrestrial Magnetism, 5241 Broad Branch Road, N.W., Washington, D.C. 20015

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Deblanketing vectors derived from subdwarf photometry and spectrophotometry are used to transform published UBV photometry of globular cluster main sequences into an effective temperature scale defined by model atmosphere surface fluxes. Conversion of apparent visual magnitudes into apparent bolometric magnitudes is accomplished using subdwarf bolometric corrections, which are functions of effective temperature and metallicity. The results do not depend on stellar evolution models.

Type
August 29 Open And Globular Clusters
Information
Symposium - International Astronomical Union , Volume 85: Star Clusters , 1980 , pp. 329 - 331
Copyright
Copyright © Reidel 1980 

References

Carney, B.W.: 1979, Astrophys. J. (in press).Google Scholar
Ciardullo, R.B., and Demarque, P.: 1977, Trans. Yale U. Obs. 33.Google Scholar
Iben, I. Jr., and Rood, R.T.: 1970, Astrophys. J. 159, 605.Google Scholar