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Spectroscopic Study of Cepheids in the Globular Cluster Omega Cen

Published online by Cambridge University Press:  15 February 2018

Guillermo Gonzalez  and
George Wallerstein
Guillermo Gonzalez
Affiliation:
Department of Astronomy, FM-20, University of Washington, Seattle WA 98195
George Wallerstein
Affiliation:
Department of Astronomy, FM-20, University of Washington, Seattle WA 98195

Abstract

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Until now there have been few spectroscopic studies of cepheids in globular clusters. In this preliminary report we present sample spectra of the stars Vl and V29 in ω Cen. Eventually, we hope to use the abundance patterns, masses, and period changes of cepheids to better understand post-horizontal branch evolution in globular clusters.

Type
Windows on the Instability Strip
Information
International Astronomical Union Colloquium , Volume 139: New Perspectives on Stellar Pulsation and Pulsating Variable Stars , 1993 , pp. 378 - 379
Copyright
Copyright © Cambridge University Press 1993