Reports until 02:15, Wednesday 19 August 2026
LHO General
ibrahim.abouelfettouh@LIGO.ORG - posted 02:15, Wednesday 19 August 2026 (91594)
OPS Eve Shift Summary

TITLE: 08/19 Eve Shift: 2330-0500 UTC (1630-2200 PST), all times posted in UTC
STATE of H1: Planned Engineering
INCOMING OPERATOR: None
SHIFT SUMMARY:

IFO is in IDLE with IMC Locked and Power at 2W

Evening was spent trying to comisson BBSS M3 stage as a way to aid with alignment. Keita, Louis and Elenna have some next steps to try tomorow. See alog 91593.

After they were finished and per Jennie's instructions I changed the JAC Heater POWER_SET from 1.465 to 3. Then, I informed Huyen that Seismic overnight tests can begin.

LOG:

Start Time System Name Location Lazer_Haz Task Time End
14:54 FAC Kim EX - Technical cleaning 16:21
15:01 FAC Eric Outbldgs - AHU checks 16:47
15:52 PEM Robert LVEA - Looking at fiber locations 17:33
16:01 VAC Travis LVEA - Moving pump from HAM1 to HAM6 16:30
16:32 FAC Kim LVEA - Technical cleaning 17:36
16:34 PSL Jason PSL Y Parts search 16:50
16:41 SEI Jim CER - HAM3 ISI measurement 18:24
16:48 FAC Chris LVEA - Safety checks 17:37
16:53 TCS TJ, Camilla LVEA Y Checking HWS and CO2 tables 19:46
17:33 PEM Robert, Reinhardt MER/LVEA - Running DAS fibers (Robert out at 23:52 UTC) 00:29
17:56 FAC Kim FCES - Technical cleaning 18:55
18:08 TCS Jennie LVEA Y Looking for RF source 18:19
18:11 VAC Travis, Gerardo LVEA - Valve in HAM6 turbopump 18:24
18:26 TCS Fil LVEA - Troubleshooting CO2 laser 19:46
18:47 AOS Betsy LVEA - Checks in W-bay 19:08
19:34 FAC Randy LVEA - Pulling 3IFO ISI container lid 22:30
19:48 SUS Jason OptLab - Checking oplev lasers 21:39
20:08 VAC Gerardo LVEA - Starting leak detector on BSC8 23:31
20:14 AOS Betsy LVEA - W-bay cleanroom move 21:25
20:19 VAC Travis LVEA - Leak checking and cleanroom move 23:25
20:29 AOS TJ LVEA - W-bay cleanroom move 21:09
20:56 SEI Shoshana, Huyen, Jim LVEA - H2 PSL - CRS cleanup 22:37
21:25 TCS Camilla, TJ LVEA Y CO2Y troubleshooting 22:48
22:11 EE Jackie MER - Replacing BHD chassis 23:12
23:29 TCS Camilla OptLab - Tidying up 23:54
00:10 PEM Robert EX Y Finding glasses 00:23
01:54 VAC Gerardo LVEA Y HAM6 Turbopump valve 02:08