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Binary Black Hole Merger — IMR Simulator

Binary Black Hole Merger

Interactive inspiral–merger–ringdown (IMR) demonstration

Physical parameters

This is an educational semi-analytic IMR model, not a full BSSN/generalized-harmonic numerical-relativity evolution. Inspiral uses the leading quadrupole chirp, merger is joined near the Schwarzschild ISCO estimate, and ringdown uses an approximate Kerr ℓ=m=2 QNM fit.
Gravitational-wave frequency
Orbital separation
h+ polarization: inspiral → ringdown
Merger / ringdown zoom
df/dt = (96/5) π8/3 (GMc/c³)5/3 f11/3
hRD(t) = A₀ e−t/τ cos(2π fQNM t + φ₀)
Ammar Sakaji, IAC

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