TITLE: 06/20 Owl Shift: 07:00-15:00 UTC (00:00-08:00 PST), all times posted in UTC
STATE of H1: Preventive Maintenance
CURRENT ENVIRONMENT:
SEI_ENV state: MAINTENANCE
Wind: 11mph Gusts, 9mph 5min avg
Primary useism: 0.01 μm/s
Secondary useism: 0.13 μm/s
QUICK SUMMARY:
Inherited an IFO that was locked for 8 hours.
LockLoss 7:21 UTC https://ldas-jobs.ligo-wa.caltech.edu/~lockloss/index.cgi?event=1371280926
Relocking: trying to relock without Initial alignment.
Got up to CARM_150_PICOMETERS before a lockloss.
Increase Flashes seems to be having trouble getting the flashes for Y arm above 0.7.
Switching to Green Arms manual. Trying to get the flashes above 0.7 manually.
Still having troubles manually getting the Y arm flashes above 0.7.
Restored slider values back to 1371280888 which was right after the last NLN Lockloss.
Still had to touch up Y arm some more, but now Initial Alignment is running.
NOMINAL_LOW_NOISE Reached at 10:16 UTC
Observing state reached at 10:24 UTC
14:20 UTC MAgnetic Injections started running, which has taken us out of Observing.
LockLoss at 15:00:47 UTC https://ldas-jobs.ligo-wa.caltech.edu/~lockloss/index.cgi?event=1371308465
Likely caused by in lock charge measurements.
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 15:05 | VAC | Jordan | Mid Y , & EY | N | Vacuum work | 17:05 |
| 15:06 | FAC | Karen | EY | N | Technical Cleaning | 17:06 |
| 15:07 | FAC | FAC | LVEA | N | 3 IFO Storage | 17:07 |
| 15:10 | FAC | Kim | EX | N | Technical Cleaning | 17:10 |
| 15:12 | FAC | Christi | Mids & LVEA | N | 3 IFO Inventory | 17:12 |