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Modulated Light Curves of Multiperiodic Stars

Published online by Cambridge University Press:  20 April 2012

József M. Benkő ,
Róbert Szabó  and
Margit Paparó
József M. Benkő
Affiliation:
Konkoly Observatory of the Hungarian Academy of Sciences, H-1121 Budapest, Hungary email: benko@konkoly.hu
Róbert Szabó
Affiliation:
Konkoly Observatory of the Hungarian Academy of Sciences, H-1121 Budapest, Hungary email: benko@konkoly.hu
Margit Paparó
Affiliation:
Konkoly Observatory of the Hungarian Academy of Sciences, H-1121 Budapest, Hungary email: benko@konkoly.hu
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Abstract

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We modelled the light curves of modulated multiperiodically pulsating stars by a simple double-mode pulsation with combined amplitude and frequency modulations. The synthetic light curves and their spectra show similar features to those we found and discussed for monoperiodic stars. Comparing the synthetic light curves and their spectra with the observed ones helps us to classify the modulations and to distinguish between long-period modulation (Blazhko effect) and the other types of amplitude and/or period changes.

Keywords

methods: analyticalstars: oscillationsstars: variables: other
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S285: New Horizons in Time-Domain Astronomy , September 2011 , pp. 286 - 288
Copyright
Copyright © International Astronomical Union 2012

References

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