Blazhko effect
The Blazhko effect, also known as the Tseraskaya–Blazhko effect, and which is sometimes called long-period modulation, is a variation in period and amplitude in RR Lyrae type variable stars. Sergey Blazhko first reported its observation by Lidiya Tseraskaya in 1907, in the star RW Draconis.
From Wikipedia, the free encyclopedia The Blazhko effect, also known as the Tseraskaya–Blazhko effect,[1] and which is sometimes called long-period modulation, is a variation in period and amplitude in RR Lyrae type variable stars. Sergey Blazhko first reported its observation in 1907 in his follow-up study of the star RW Draconis that was previously discovered by Lidiya Tseraskaya.[2][3] The physics behind the Blazhko effect is currently still a matter of debate, with there being three primary hypotheses. In the first, referred to as the resonance model, the cause of the modulation is a…
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