camilla.compton@LIGO.ORG - posted 15:54, Thursday 15 June 2023 (70494)
OPS Day Shift Summary
TITLE: 06/15 Day Shift: 15:00-23:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Observing at 135Mpc
SHIFT SUMMARY: Large EQ today kept us DOWN for ~ 4 hours. EX has been left in LASER HAZARD for Robert's photos he plans to take in a commissioning time later. Plan for commissioning time at 23:25UTC.
LOG:
- Observing at 15:04UTC. 70475
- Out of Commissioning for 20seconds at 18:17 UTC when SQZ_CLF_LR guardian went DOWN, see attached, looks like VCXO_CONTROLS_DIFFFREQUENCY was drifting away from 0, when it gets to +/1 20, guardian goes to DOWN. tagging SQZ
- Found what took us out of observing using command 'guardctrl log -a "18:16 UTC" -b "18:19 UTC" -n 200 IFO'
- Lockloss @ 18:18 UTC 1370888354
- Large Earthquake that kept us DOWN for ~3 hours 70485.
- Couldn't get Y-arm to stay locked until PEAKMON was below 200.
- Couldn't lock PRMI after CHECK_MICH_FRINGES and touching PRM in YAW so started initial alignment
- Fully automatic lock after IA.
- NLN @ 22:30 UTC, Observing @ 22:40 UTC.
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 15:10 | CDS | Dave | Remote | N | Rebooting nuc26, nuc30 and cameras with issues | 15:33 |
| 15:54 | CDS | WAP | Remote | N | Dave turned MSR WAP on/off 70480 | 15:56 |
| 17:08 | PEM | Plane | CR | N | Plane heard overhead (tagging DetChar) | 17:10 |
| 17:15 | VAC | Janos | MY | N | VAC checks | 17:50 |
| 18:33 | PEM | Robert | EX | YES | Installing cameras at EX WP#11264 | 19:59 |
| 18:43 | WAP | Robert | EX | N | Wifi turned ON | 22:40 |
| 19:52 | CDS | Erik, Jonathan | CER | N | Check on HAM6 camera cable 70478 | 20:00 |
| 20:00 | LASER | EX | EX | YES | EX Left in LASER HAZARD | 04:00 |
Images attached to this report
