aLIGO LHO Logbook

LHO General

ryan.short@LIGO.ORG - posted 16:07, Friday 26 April 2024 (77450)

Ops Day Shift Summary

TITLE: 04/26 Day Shift: 15:00-23:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Observing at 150Mpc
INCOMING OPERATOR: Tony
SHIFT SUMMARY: Commissioning for most of the morning which ended in a lockloss. Relocked easily and have been observing for the afternoon.

15:20 - S240426dl
16:01 - Dropped observing for commissioning
18:55 - Lockloss - alog77442
20:12 - Reached NLN
- During this acquisition, Jenne re-enabled the PRMI ASC loops in the ISC_DRMI Guardian after we realized they were not turning on during PRMI_ASC
20:34 - Started observing after Sheila retuned SQZ angle (alog77447, will need to do this again this evening after H1 is thermalized)
22:32 - Saturation callouts for ITMX, ITMY, and BS simultaneously; PRG, CSOFT_Y, DHARD_P all saw motion at this time

LOG:

Start Time	System	Name	Location	Lazer_Haz	Task	Time End
15:48	SQZ	Terry, Kar Meng	Opt Lab	Local	SHG work	16:52
16:04	PEM	Robert	LVEA, EX	-	Pack up equipment	17:52
17:46	VAC	Janos	EX	-	CP dewar jacket pumping	18:39
17:52	SQZ	Terry, Kar Meng	Opt Lab	Local	SHG work	20:17
18:49	PEM	Robert	EX	-	Shutting down PEM setup	19:38
20:21	PEM	Robert	CER	-	Retreive cable	20:32
21:36	SQZ	Terry, Kar Meng	Opt Lab	Local	SHG work	23:36