Reports until 07:55, Tuesday 27 January 2026
LHO General
ibrahim.abouelfettouh@LIGO.ORG - posted 07:55, Tuesday 27 January 2026 - last comment - 10:09, Tuesday 27 January 2026(88905)
OPS Day Shift Start

TITLE: 01/27 Day Shift: 1530-0030 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Planned Engineering
OUTGOING OPERATOR: None
CURRENT ENVIRONMENT:
    SEI_ENV state: MAINTENANCE
    Wind: 4mph Gusts, 3mph 3min avg
    Primary useism: 0.03 μm/s
    Secondary useism: 0.33 μm/s 
QUICK SUMMARY:

IFO is in IDLE due to PLANNED MAINTENANCE

Work continues on in-chamber JAC alignment and EOM work is continuing (RTP installation planned for today). Work is being done to close out HAM7.

Comments related to this report
david.barker@LIGO.ORG - 10:09, Tuesday 27 January 2026 (88911)

Fire pump alarms bypassed for next 4 hours while churn testing is ongoing.