# MOSES focus data: Variance # CCK 2005-07-13 # This is just the square of the focus spot's radius of gyration. # One hopes that since the sigmas look hyperbolic, a parabola might fit the variance. # # Focuser position (in.) Variance (pixels^2) # # # name: data # type: matrix # rows: 20 # columns: 2 0.520 76.55 0.530 62.08 0.540 45.01 0.550 39.45 0.555 33.18 0.558 30.36 0.560 31.13 0.561 31.10 0.564 30.63 0.567 28.82 0.570 37.22 0.570 29.22 0.573 31.25 0.576 32.17 0.579 33.64 0.580 38.45 0.582 37.53 0.585 40.59 0.590 52.70 0.600 62.04