Two-fer tonight
ITMx Alignment
IAS: D. Cook, J. Oberling
SEI: H. Radkins, G. Grabeel, M. Robinson
Aligned the yaw of the ITMx and took a pitch measurement. Position alignment remains unchanged from alog
8403.
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Pitch: -1046 µrad (down)
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Target: -971 µrad (down) -- (619 µrad optic pitch + 352 µrad FC correction)
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Error: -75 µrad (down)
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Tolerance: ±50 µrad
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Yaw: +32 µrad (CCW)
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Target: 0 µrad
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Error: +32 µrad (CCW)
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Tolerance: ±50 µrad
IAS is now on hold until the HEPI actuators are attached; we will then take another look. At some point after that we will have to do a small pitch correction.
ITMx ACB Alignment
IAS: J. Oberling
SLC: T. Vo
Aligned the ITMx ACB laterally and vertically tonight. The errors are as follows:
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Lateral Error: -0.5 mm (East)
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Vertical Error: +1.7 mm (high)
All is within spec and good to go.