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double-mode variable


'double-mode variable' can also refer to...

 

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A pulsating variable whose complex variations consist of superimposed oscillations at the fundamental mode and an additional overtone. The first overtone is found in a beat Cepheid, and other types of variable. The Blazhko effect in certain RR Lyrae stars appears to be explained by the presence of the third overtone.

Subjects: Astronomy and Astrophysics.


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