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Reports until 22:15, Friday 13 December 2024
LHO General
ibrahim.abouelfettouh@LIGO.ORG - posted 22:15, Friday 13 December 2024 (81821)
OPS Eve Shift Summary

TITLE: 12/14 Eve Shift: 0030-0600 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Lock Acquisition
INCOMING OPERATOR: Oli
SHIFT SUMMARY:

IFO is LOCKING at CARM_OFFSET_REDUCTION

Shift was dominated by microseism (hovering at 1 um/s) with a 6.4 magnitude EQ sprinkled in. H1 couldn't lock for the majority of the shift, managed to get there for 1hr and 9 mins before a lockloss.

Lockloss assumed to be due to the environment - lockloss alog 81820

Other than that, there were 2 SDF diffs that were erroneously accepted, then manually reverted by Sheila and I. We then accepted those. SDF screenshot included. The relevant SDFs are the two top ones (dated 21:18)

LOG:

Start Time System Name Location Lazer_Haz Task Time End
16:53 OPS LVEA LVEA YES LVEA IS LASER HAZARD 21:13
03:49 PCAL Francisco PCAL Lab Local Turning off equipment 03:58
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