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