aLIGO LHO Logbook

H1 General

ryan.crouch@LIGO.ORG - posted 07:31, Monday 09 March 2026 - last comment - 07:43, Monday 09 March 2026(89424)

OPS Monday Day Shift Start

TITLE: 03/09 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: CALM
Wind: 4mph Gusts, 1mph 3min avg
Primary useism: 0.02 μm/s
Secondary useism: 0.26 μm/s
QUICK SUMMARY:

IMC recovery will continue today, there will probably be some more investigation into MC1
Hopefully we'll get to further locking to check the BS.
HAM1 continues to pump down

Comments related to this report

ryan.crouch@LIGO.ORG - 07:43, Monday 09 March 2026 (89425)

Link

Taking a look at the voltmons for T2/T3 of M1 and LL/UR of M2 and M3 I saw there was still some jumping seen in T2 and T3 over the weekend.

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