Estimation of the lateral mis-registrations of the GRAVITY+ adaptive optics system - Perturbative method with open-loop modal correlation and non-perturbative method with temporal correlation of closed-loop telemetry

Open Access

Fig. F.1

Convergence of the lateral error δ in percent of subaperture pitch Δ in function of the update iteration for υ₀ = 20 m s⁻¹, θ₀ = 30°, and for different photon noise levels n^ph (colours). Plain (resp. dashed) curves: lateral error δ^‖ parallel (resp. δ^⊥ perpendicular) to the wind direction. Dotted curves: fitted exponential law.

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