Ops Shift Log: 08/31/2019, Day Shift 07:00 – 15:00 (00:00 - 08:00) Time - UTC (PT)

State of H1: Locked at NLN, Range = 119.6Mpc

Intent Bit: Observing

Support: Hugh, Peter

Incoming Operator: Niko

Shift Summary: Since relocking, the IFO has performed well. Saw a 120Mpc range once. Environmental remains good. The tidal problems from earlier have not reappeared, but it has only been about 4.5 hours since relocking.   

 

Activity Log: Time - UTC (PT)

07:00 (00:00) Take over from Cheryl

07:30 (00:00) Call Hugh about Tidal problem

07:41 (00:41) Drop out of Observing – Tidal Problem?

07:57 (00:57) Back in Observing – Why?

07:58 (00:58) GRB Alert – Long, spoke with LLO, Ignored

08:44 (01:44) Lockloss – Tidal

08:47 (01:47) Hold locking green to let the tidal bleed off

09:03 (02:03) Start relocking

09:38 (02:38) Lockloss at ENGAGE_ASC_FOR_FULL_IFO

10:25 (03:25) Locked at NLN

10:25 (03:35) No SDF – Back in Observing

15:00 (08:00) Turn over to Niko