ryan.short@LIGO.ORG - posted 07:41, Friday 12 September 2025 - last comment - 08:19, Friday 12 September 2025(86871)
Ops Day Shift Start
TITLE: 09/12 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Corrective Maintenance
OUTGOING OPERATOR: None
CURRENT ENVIRONMENT:
SEI_ENV state: CALM
Wind: 2mph Gusts, 1mph 3min avg
Primary useism: 0.02 μm/s
Secondary useism: 0.16 μm/s
QUICK SUMMARY: No observing time for H1 overnight. Investigations will continue today into issues caused by the site power outage on Wednesday.
Things looking relatively stable overnight. Some trends and current snapshot of MC TRANS and REFL attached.
Here's an image of a time when the IMC was locked at 2W before the power outage to compare to: archive screenshot