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Table 4

Variances and covariances obtained with γ = 1 (i.e., without taking the centroid gain into account) and with γ = 0.95 (value computed after the first run of ROKET).

1 0.114 0.057 0.948 6.43 11.8 −0.258
0.95 0.109 0.036 0.908 5.93 12.0 0

Notes. is the noise variance, is the WF measurement deviation variance, is the aliasing variance, is the bandwidth variance, is the anisoplanatism variance, and is the covariance between the WF measurement deviation and bandwidth. All are expressed in 10−3 μm2.

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