TITLE: 11/17 Eve Shift: 0030-0600 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Observing at 159Mpc
OUTGOING OPERATOR: Ibrahim
CURRENT ENVIRONMENT:
SEI_ENV state: CALM
Wind: 15mph Gusts, 11mph 3min avg
Primary useism: 0.02 μm/s
Secondary useism: 0.24 μm/s
QUICK SUMMARY:
H1 Has been locked for 1 Hour and 45 minutes.
DCPD's are diverging, Which I usually attribute to the Violins growing.
Turns out it's one of the usual suspects..... ITMY Mode 5 increasing.
I have turned the Gain off of ITMY m5 to see if it stays at that level or decreases.
The IFO stays locked until 1:25 UTC then I can do a Calibration sweep are the calibration time early today was missed by a lockloss.
Lockloss https://ldas-jobs.ligo-wa.caltech.edu/~lockloss/index.cgi?event=1415840300
This looks like there is some IMC issue that cause this Lockloss.
The Lockloss plots show that at -906ms there was blip on the PSL-FSS_FAST_MON _OUT_DQ channel.
Relocking the IMC was difficult as the IMC kept going into fault. I took ISC_LOCK to idel and took the IMC to idle for 10 minutes.
Relocking started fine, except I had to manual green arms.