Reports until 07:35, Thursday 03 October 2024
LHO General
ryan.short@LIGO.ORG - posted 07:35, Thursday 03 October 2024 - last comment - 10:09, Thursday 03 October 2024(80439)
Ops Day Shift Start

TITLE: 10/03 Day Shift: 1430-2330 UTC (0730-1630 PST), all times posted in UTC
STATE of H1: Lock Acquisition
OUTGOING OPERATOR: Ibrahim
CURRENT ENVIRONMENT:
    SEI_ENV state: CALM
    Wind: 5mph Gusts, 3mph 3min avg
    Primary useism: 0.05 μm/s
    Secondary useism: 0.30 μm/s
QUICK SUMMARY: H1 just lost lock about 15 minutes ago; will start looking into it shortly, although the cause may be from a recent earthquake out of Japan.

Comments related to this report
ryan.short@LIGO.ORG - 08:12, Thursday 03 October 2024 (80440)
Link

Locklosses from last night:

  • 08:31 UTC - only thing out of the ordinary I notice is motion mostly in the L2 stages of the QUADs about 150ms before the lockloss, see screenshot
  • 14:18 UTC - nothing obvious; doesn't look like the FSS, no sign of glitches in DARM or ETMX either
Images attached to this comment
ryan.short@LIGO.ORG - 10:09, Thursday 03 October 2024 (80442)
Link

H1 back to NLN at 16:38 UTC. Going straight into planned commissioning time.