Ops Shift Log: 12/02/2019, Owl Shift 08:00 – 16:00 (00:00 - 08:00) Time - UTC (PT)

State of H1: Locked

Intent Bit: Observing

Support: N/A

Incoming Operator: Cheryl

Shift Summary: IFO relocked with no problems, thanks to Patrick’s Initial Alignment and tweaks. Range has popped up to around 116Mpc. Things looking OK at this time.

   Lost lock at 10:36 (02:36) cause unknown. Spent the rest of the shift at realigning and relocking (aLOG #53614). Could not complete two Initial alignment (Stalled at ACQUIRE_SRY and tweaking SR2 was of no help) attempts. Relocking was breaking a several different places. After about 5 hours was able to relock the IFO. Not sure why it relocked but it did. LHO was back in Observing at 15:23 (07:23).     

 

Activity Log: Time - UTC (PT)

08:00 (00:00) Take over from Patrick

08:35 (00:35) Relocked at NLN and back in Observing

10:36 (02:36) Lockloss – Unknown

15:23 (07:53) Relocked at NLN and back in Observing

16:00 (08:00) Turn over to Cheryl