Blazhko Effect · RR Lyrae
unseel.com · pulsating star · amplitude modulation · 9:2 resonance
Pulse P₀ 0.5669 d
Blazhko PB 39.1 d
Phase
RR Lyrae star
Light curve (fast pulse)
Blazhko envelope (~39 d)
9:2 resonance / triplet
Unseel.com · The Blazhko Effect