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[Keiko, Jenne]
PMC aligned. Suresh is fixing the measure MC spot positions script, then we'll remeasure MC spot positions.
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[Suresh, Jenne, Yuta]
We measured the MC spot positions twice tonight. Procedure for measuring them is in elog #6688.
The results were;
spot positions in mm (MC1,2,3 pit MC1,2,3 yaw):
3.3359 3.9595 2.3171 -7.7424 -0.8406 6.4884
spot positions in mm (MC1,2,3 pit MC1,2,3 yaw):
3.2681 4.0052 2.2808 -7.3965 -0.7624 7.1302
The spot moved by about 0.5 mm since May 25, but we concluded that this displacement is negligible and difficult to be fixed by aligning PSL beam.
We'll align Y arm and X arm next. |