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The Blazhko Effect Unravelled?1
Published online by Cambridge University Press: 12 April 2016
Abstract
A detailed frequency analysis on ELODIE observations of the Blazhko star RR Lyrae (Chadid et al., 1999) clearly revealed the importance of non-linear effects upon the radial fundamental mode (with frequency fP), and a multiplet structure with a separation equal to the Blazhko frequency (f/B) around the main frequency and its harmonics. These results provided strong evidence for the presence of non-radial modes in the star. The identification of these non-radial modes is the following step in our work.
- Type
- Part 3. Nonlinear Effects in Pulsating Stars
- Information
- Copyright
- Copyright © Astronomical Society of the Pacific 2002
Footnotes
The RR Lyrae spectra were gathered with the 1.93m telescope of the Haute-Provence Observatory in France in 1996 and 1997.