aLIGO LHO Logbook

H1 General (CDS)

ryan.crouch@LIGO.ORG - posted 08:05, Monday 01 May 2023 - last comment - 11:03, Monday 01 May 2023(69200)

OPS Monday day shift start

TITLE: 05/01 Day Shift: 15:00-23:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Observing at 134Mpc
CURRENT ENVIRONMENT:
    SEI_ENV state: CALM
    Wind: 9mph Gusts, 6mph 5min avg
    Primary useism: 0.03 μm/s
    Secondary useism: 0.28 μm/s
QUICK SUMMARY:

Locked at NLN since 7:26UTC, in Observing since 9:57UTC after recovering from a dolphin glitch in the early evening yesterday
The LVEA is still in LASER HAZARD
Low wind, The black CS Z-axis trace from the 0.03-0.1 Hz DTT session on the top of NUC5 appears glitched? since 15hours ago, tagging CDS

Comments related to this report

david.barker@LIGO.ORG - 11:03, Monday 01 May 2023 (69211)

Link

I can confirm that running the top plot on opslogin0 indeed shows the CS seismometer line dropped out about 18 hours, but running the lower plot the CS signal is correct. Could be a GDS monitor issue?