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| 40m Log |
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 Fri Aug 25 11:11:26 2017, gautam, Update, General, MC1 kicked again 
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 Thu Aug 31 21:40:24 2017, gautam, Update, General, MC1 kicked again
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Fri Sep 1 08:25:08 2017, Steve, Update, SUS, MC1 glitching
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Fri Sep 1 16:27:39 2017, gautam, Update, SUS, MC1 glitching
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Message ID: 13284
Entry time: Fri Sep 1 08:25:08 2017
In reply to: 13283
Reply to this: 13286
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| Author: |
Steve |
| Type: |
Update |
| Category: |
SUS |
| Subject: |
MC1 glitching |
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MC1, MC2 and MC3 damping turned off to see glitching action at 9:57am
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There was a pretty large glitch in MC1 about an hour ago. The misalignment was so large that the autolocker wasn't able to lock the IMC. I manually re-aligned MC1 using the bias sliders, and now IMC locks fine. Attached is a 90 second plot of 2K data from the OSEMs showing the glitch. Judging from the wall StripTool, the IMC was well behaved for ~4 hours before this glitch - there is no evidence of any sort of misalignment building up, judging from the WFS control signals.
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