Simulation of X-ray Quasi-Periodic-Oscillation in Lense-Thirring precession model. More details can be found in You (2018,2020)
Incident pattern as a function of precession phase:
Reflection pattern [viewed at cos(i)=0.5] as a function of precession phase:
QPO of Fe Kα line [viewed at cos(i)=0.5], as a function of precession phase: