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blog:katherine_pointing_model_update
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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 |
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/home/www/auscope/opswiki/data/pages/blog/katherine_pointing_model_update.txt · Last modified: 2013/09/11 07:06 by Jamie McCallum
