Reports until 07:41, Friday 12 September 2025
LHO General
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.

Comments related to this report
ryan.short@LIGO.ORG - 07:59, Friday 12 September 2025 (86873)
Link

Things looking relatively stable overnight. Some trends and current snapshot of MC TRANS and REFL attached.

Images attached to this comment
sheila.dwyer@LIGO.ORG - 08:19, Friday 12 September 2025 (86875)
Link

Here's an image of a time when the IMC was locked at 2W before the power outage to compare to: archive screenshot