ryan.crouch@LIGO.ORG - posted 16:27, Friday 05 September 2025 (86749)
OPS Friday day shift summary
TITLE: 09/05 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Lock Acquisition
INCOMING OPERATOR: Ibrahim
SHIFT SUMMARY: We had a lockloss at the end of the shift from an ETMX glitch, running an IA as of now.
LOG:
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 20:56 | FAC | Tyler | EndY | N | Check on air handler 3 | 22:26 |
- 13:52 UTC lockloss
- 14:18 UTC Initial Alignment
- 16:16 UTC I dropped to do another Initial Alignment after DRMI lost lock for the 4th time when DRMI ASC engaged, I had tried holding at locked and adjusting some optics manually but it wasn't enough.
- 17:36 UTC Observing
- 22:44 UTC lockloss (ETMX glitch)