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A New Possible Resonance for Population II Cepheids
Published online by Cambridge University Press: 12 April 2016
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Light and velocity curves of some radial mode variable stars seem to indicate a resonance where the second overtone has a period exactly half that of the fundamental mode. The two classes of stars that show this resonance by bumps in their light curves are the classical Cepheids and the population II BL Her variables. We here propose that there is another resonance for the population II W Vir variables where the ratio of the first overtone to the fundamental periods is 0.5.
- Type
- Part IV. Population II Cepheids
- Information
- International Astronomical Union Colloquium , Volume 82: Cepheids: Theory and Observations , 1985 , pp. 250 - 253
- Copyright
- Copyright © Cambridge University Press 1985
References
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