ryan.short@LIGO.ORG - posted 00:03, Saturday 04 November 2023 (73969)
Ops Eve Shift Summary
TITLE: 11/03 Eve Shift: 23:00-07:00 UTC (16:00-00:00 PST), all times posted in UTC
STATE of H1: Observing at 154Mpc
INCOMING OPERATOR: Ryan C
SHIFT SUMMARY:
- 23:16 Lockloss while relocking, disconnect of GDS0, FW0, and FW1
- H1 brought to full safe state (following instructions from the Safe State for IFO wiki) for MSR timing master replacement; see alog 73970
- 00:44 Starting recovery of H1
- Restored alignment sliders of ITMX and ITMY to before the timing master swap (see comment 73977)
- 01:14 Starting initial alignment
- 01:58 Initial alignment finished, starting lock acquisition
- 02:41 Reached NLN
- Several SDF diffs needed reconciling before observing, see alog 73978
- 03:37 Started observing
- 04:31 Dropped observing for 90 seconds as the TCS ITMX CO2 laser relocked (tagging TCS)
I've engaged damping settings for IY05/06 of FM6, FM8, FM10 and gain of -0.025, which appear to be working well so far.
LOG:
| Start Time | System | Name | Location | Lazer_Haz | Task | Time End |
|---|---|---|---|---|---|---|
| 22:52 | PCAL | Tony/Rick | PCAL Lab | Y (LOCAL) | Measurement | 23:55 |