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The Petersen Diagram for RR Lyrae Stars in the Magellanic Clouds

Published online by Cambridge University Press:  12 April 2016

B. L. Popielski  and
W. A. Dziembowski
B. L. Popielski
Affiliation:
Warsaw University Observatory, Warsaw, Al. Vjazdowskie 4, Poland
W. A. Dziembowski
Affiliation:
Warsaw University Observatory, Warsaw, Al. Vjazdowskie 4, Poland

Abstract

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We show that the spread of the Magellanic Cloud RRd stars in the Petersen diagram may be explained in terms of spread in metallicity by one order of magnitude.

Type
Part 3. Cepheids, RR Lyrae Stars, Distance Scales
Information
International Astronomical Union Colloquium , Volume 176: The Impact of Large-Scale Surveys on Pulsating Star Research , 2000 , pp. 276
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

Buonanno, R., Cacciari, C., Corsi, C.E., & Fusi Pecci, F. 1990, A&A, 230, 315 Google Scholar