Reports until 08:23, Tuesday 20 June 2023
H1 General
anthony.sanchez@LIGO.ORG - posted 08:23, Tuesday 20 June 2023 (70603)
Tuesday Owl Ops Shift End

TITLE: 06/20 Owl Shift: 07:00-15:00 UTC (00:00-08:00 PST), all times posted in UTC
STATE of H1: Preventive Maintenance
CURRENT ENVIRONMENT:
    SEI_ENV state: MAINTENANCE
    Wind: 11mph Gusts, 9mph 5min avg
    Primary useism: 0.01 μm/s
    Secondary useism: 0.13 μm/s 
QUICK SUMMARY:

Inherited an IFO that was locked for 8 hours.
LockLoss 7:21 UTC https://ldas-jobs.ligo-wa.caltech.edu/~lockloss/index.cgi?event=1371280926

Relocking: trying to relock without Initial alignment.
Got up to CARM_150_PICOMETERS before a lockloss.

Increase Flashes seems to be having trouble getting the flashes for Y arm above 0.7.
Switching to Green Arms manual. Trying to get the flashes above 0.7 manually.
Still having troubles manually getting the Y arm flashes above 0.7.
Restored slider values back to 1371280888 which was right after the last NLN Lockloss.
Still had to touch up Y arm some more, but now Initial Alignment is running.

NOMINAL_LOW_NOISE Reached at 10:16 UTC
Observing state reached at 10:24 UTC

14:20 UTC MAgnetic Injections started running, which has taken us out of Observing.


LockLoss at 15:00:47 UTC https://ldas-jobs.ligo-wa.caltech.edu/~lockloss/index.cgi?event=1371308465

Likely caused by in lock charge measurements.

                                                                                                                                                                                                                                                                                                                                                             

Start Time System Name Location Lazer_Haz Task Time End
15:05 VAC Jordan Mid Y , & EY N Vacuum work 17:05
15:06 FAC Karen EY N Technical Cleaning 17:06
15:07 FAC FAC LVEA N 3 IFO Storage 17:07
15:10 FAC Kim EX N Technical Cleaning 17:10
15:12 FAC Christi Mids & LVEA N 3 IFO Inventory 17:12