Reports until 20:39, Friday 26 April 2024
H1 General (Lockloss)
anthony.sanchez@LIGO.ORG - posted 20:39, Friday 26 April 2024 (77456)
Lockloss & Fri Mid Eve shift update

TITLE: 04/27 Eve Shift: 23:00-07:00 UTC (16:00-00:00 PST), all times posted in UTC
STATE of H1: Observing at 152Mpc
CURRENT ENVIRONMENT:
    SEI_ENV state: CALM
    Wind: 4mph Gusts, 2mph 5min avg
    Primary useism: 0.02 μm/s
    Secondary useism: 0.17 μm/s
QUICK SUMMARY:

00:52 UTC Intentional Drop from Observing to adjust squeeze angle.

Requested SQZ_MANGER to go to SCAN_SQZANG saw the phase slider move around a bit and it created https://lhocds.ligo-wa.caltech.edu/exports/SQZ/GRD/SQZANG_SCAN/SQZANG_SCAN_240426175458.png

00:56 UTC Back to Observing

2:04 UTC  Lockloss  https://ldas-jobs.ligo-wa.caltech.edu/~lockloss/index.cgi?event=1398218686

Unknown cause but ETMY L2 Master out starts to change behaivor about a second before the lockloss.


---Relocking--
Increase flashes ran for YARM
Happened automatically without any input from me.
Nominal_Low_Noise reached at 3:01 UTC
Observing reached at 3:04 UTC

 

Images attached to this report