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Short-Period Variables in Globular Clusters of Moderate Metallicity

Published online by Cambridge University Press:  19 July 2016

Martha L. Hazen
Martha L. Hazen*
Affiliation:
Harvard-Smithsonian Center for Astrophysics

Abstract

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Three Galactic globular clusters of moderate metallicity, (−0.7 > [Fe/H] > −0.9), have been searched for variable stars. NGC 6388 and NGC 6569 appear to contain RR Lyrae variables as members; NGC 6652 does not. NGC 6388 and NGC 6569 thus appear to have bluer horizontal branches than normally found at their metallicity.

Type
Chapter VIII. Poster Papers on Cluster Systems in Nearby Galaxies
Information
Symposium - International Astronomical Union , Volume 126: The Harlow-Shapley Symposium on Globular Cluster Systems in Galaxies , 1988 , pp. 593 - 594
Copyright
Copyright © Kluwer 1988 

References

REFERENCES

Hazen, M. L. and Hesser, B. H. 1986 Astron. J., in press.Google Scholar
Hazen-Liller, M. L. 1985 Astron. J. 90, 1807.Google Scholar
Zinn, R. 1985 Astrophys. J. 293, 424.CrossRefGoogle Scholar