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blog:katherine_pointing_model_update

# Katherine pointing model update

Following reports of large pointing offsets (~0.05') from crf77, two days of pointing data was collected with acquire (252-254) and was processed with pdplt and update. The new model parameters are

-0.3152914345 0.0000000000 -0.0102583049 -0.0026900675 -0.0120386276 -0.0114547899 0.4862529337 0.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 -0.0397695228 0.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 -0.0024999999 0.0000000000 0.0000000000

The pointing model in the controller has been adjusted as well.

Coeff Old model New model
P1 -0.0668 0.0026
P2 -0.2727 -0.3153
P3 0.0403 -0.0103
P4 0.0123 0.0115
P5 -0.0060 -0.0120
P6 not used
P7 0.4794 0.4863
P8 -0.0333 -0.0398
P9 -0.0025 -0.0025