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40m Log |
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Wed Oct 12 22:51:26 2016, Koji, Update, General, Clipping could not be improved by the PZTs - NEED ANOTHER VENT
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Thu Oct 13 00:23:54 2016, ericq, Update, VAC, Pre-vent prep
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Thu Oct 13 09:30:38 2016, Steve, Update, General, vent 79 is happening 
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Thu Oct 13 16:48:34 2016, Steve, Update, VAC, vent 79 is completed
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Thu Oct 13 19:28:14 2016, gautam, Update, General, in-air alignment
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Fri Oct 14 10:31:53 2016, gautam, Update, General, doors are off ITMY and BS/PRM chambers
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Fri Oct 14 18:33:55 2016, gautam, Update, General, AS clipping investigations 7x
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Mon Oct 17 22:45:16 2016, gautam, Update, General, AS beam centered on all OMs 7x
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Tue Oct 18 18:56:57 2016, gautam, Update, General, OM5 rotated to bypass OMC, green scatter is from window to PSL table   
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Wed Oct 19 16:41:55 2016, gautam, Update, General, Heavy doors back on 8x
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Thu Oct 20 09:17:08 2016, Steve, Update, VAC, Pumpdown 80 has started   
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Thu Oct 20 15:59:52 2016, Steve, Update, VAC, Pumpdown 80 has completed  
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Fri Oct 21 02:06:20 2016, gautam, Update, General, IFO recovery
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Mon Oct 24 11:39:13 2016, gautam, Update, General, ALS recovered 
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Fri Oct 21 09:28:21 2016, Steve, Update, VAC, Vac Normal reached
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Wed Nov 23 11:32:13 2016, Steve, Update, VAC, TP3 drypump replaced again
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Fri Nov 10 08:52:21 2017, Steve, Update, VAC, TP3 drypump replaced
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Fri Feb 16 15:57:58 2018, Steve, Update, VAC, TP3 drypump replaced
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Thu Jul 12 16:18:22 2018, Steve, Update, VAC, Vent preparations 
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Thu Jul 12 23:59:14 2018, gautam, Update, General, Vent objectives and prep
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Fri Jul 13 02:52:11 2018, gautam, Update, General, Vent objectives and prep
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Fri Jul 13 17:13:45 2018, Koji, Update, General, Vent objectives and prep
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Fri Jul 13 18:01:13 2018, gautam, Update, General, Low power MC
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Message ID: 14068
Entry time: Fri Jul 13 18:01:13 2018
In reply to: 14063
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Author: |
gautam |
Type: |
Update |
Category: |
General |
Subject: |
Low power MC |
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After getting the go ahead from Steve, I removed the physical beam block on the PSL table, sent the beam into the IFO, and re-aligned the MC to lock at low power. I've also revived my low power autolocker (running on megatron), seems to work okay though the gains may not be optimal, but it seems to do the job for now. Nominal transmission when well aligned at low power is ~1200cts. I briefly checked Y arm alignment with the green, seems okay, but didn't try locking the Y arm yet. All doors are still on, and I'm closing the PSL shutter again while Keerthana and Sandrine are working near the AS table. |