ryan.crouch@LIGO.ORG - posted 16:31, Friday 11 October 2024 (80614)
OPS Friday day shift summary
TITLE: 10/11 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Observing at 157Mpc
INCOMING OPERATOR: Ryan S
SHIFT SUMMARY: The FSS transmitted power has been dropping the past few (~4?) days, TPD notification has been flashing on OPS_OVERVIEW. 2 locklosses today, automated relocks. We've been locked for 2.5 hours.
LOG:
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 18:13 | FAC | Tyler | Mids | N | 3IFO checks | 18:46 |
- Observing 06:36 UTC
- 14:37-39 UTC I adjusted the OPO temp (decreased), increased range by ~5 Mpc
- Lockloss at 16:21 UTC (9:47 lock)
- ALS_X was badly aligned now
- 16:43 UTC Decided to do an IA, as I thought it would be faster, XARM took forever to converge, particularly ITMX_P
- The IMC struggled a little relocking going from INPUT_ALIGN to PRC_ALIGN
- 18:13 UTC Observing
- 20:14 UTC lockloss (2:02 lock) - No FSS glitching seen
- ALS_X took a while to fix its alignment again
- 21:09 UTC observing, PI 31 started to ring up after 5 minutes
- 22:15 UTC Tyler let me know that for the next 2-3 hours Richland bomb squad will potentially creating some ground motion (DetChar)
Images attached to this report
