oli.patane@LIGO.ORG - posted 16:33, Monday 22 September 2025 - last comment - 16:38, Monday 22 September 2025(87069)
Ops Day Shift End
TITLE: 09/22 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Commissioning
INCOMING OPERATOR: Ryan C
SHIFT SUMMARY: Currently in Commissioning due to SQZ filter cavity issues. We've been Locked for almost 7.5 hours. The ETMY Roll mode is still decently high, but it is damping, and it might take multiple days until it's all the way back down.
LOG:
14:30 UTC Observing and have been Locked for 4.5 hours
14:41 Earthquake mode activated
14:41 Out of Observing and ASC Hi Gains turned on for earthquake
14:43 Lockloss
16:05 NOMINAL_LOW_NOISE
18:40 Observing
19:55 Out of Observing to fix up SDFs
20:01 Back into Observing
21:14 GRB-Short E601590
22:01 Out of Observing to commission SQZ FC issues
Comments related to this report
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 14:45 | FAC | Kim | MX | n | Tech clean | 16:15 |
| 14:46 | FAC | Nellie | MY | n | Tech clean | 15:56 |
| 16:04 | Travis | MX | n | Rescuing a snake | 16:15 | |
| 16:50 | PCAL | Tony | PCAL Lab | y(local) | Starting a measurement | 18:20 |
| 19:54 | PCAL | Tony | PCAL Lab | y(local) | Starting a measurement con't | 20:48 |
| 20:49 | PCAL | Tony | PCAL Lab | y(local) | Turning the light off because he forgot it on | 20:52 |
| 20:51 | VAC | Travis | MX, MY | n | Dropping off parts | 21:25 |
| 21:32 | ISC | Betsy, Matt | JOAT (JAC Of All Trades Room) (Formerly Vac Prep) | n | Something for JAC | 21:48 |