# 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: 40 # columns: 2 0.440 392.18 0.450 339.30 0.460 283.57 0.470 241.18 0.480 195.50 0.490 163.08 0.500 126.43 0.510 103.52 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 0.610 87.83 0.620 107.05 0.630 137.35 0.640 174.95 0.650 211.71 0.660 249.60 0.670 303.11 0.680 354.01 0.690 403.50 0.700 472.70 0.710 533.98 0.720 608.44