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astro-ph.SR2026
Pulsation-driven helium transport as a potential source of the Blazhko effect
Geza Kovacs
We present a highly simplified nonlinear hydrodynamical model to emulate the main observed features of amplitude modulation (commonly known as Blazhko effect) in RR Lyrae stars. Th…
astro-ph.SR2025★ 2 cited
Digging Deeper for RR Lyrae Stars with Low Modulation Amplitudes
Geza Kovacs
With the goal of searching for very low modulation amplitudes among fundamental mode RR Lyrae stars and assess their incidence rate, we performed a survey of 36 stars observed by t…