aLIGO LHO Logbook

H1 General

ryan.crouch@LIGO.ORG - posted 07:28, Friday 02 May 2025 - last comment - 09:56, Friday 02 May 2025(84233)

OPS Friday day shift start

TITLE: 05/02 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Planned Engineering
OUTGOING OPERATOR: None
CURRENT ENVIRONMENT:
    SEI_ENV state: MAINTENANCE
    Wind: 6mph Gusts, 4mph 3min avg
    Primary useism: 5.26 μm/s
    Secondary useism: 0.36 μm/s
QUICK SUMMARY:

We're being shaken by a 7.4 from south of Argentina
Vent work continues, more beam profiling and wind fence work

Comments related to this report

ryan.crouch@LIGO.ORG - 09:56, Friday 02 May 2025 (84235)SEI

Link

Jim and I brought the CS BSC ISIs back to their nominal ISOLATED states, BS, ITMY, and ITMX at Sheila's recommendation, we'll see if we also need/want to bring the HAM ISIs to ISOLATED.