jeffrey.bartlett@LIGO.ORG - posted 08:01, Friday 27 January 2017 (33675)
Ops Owl Shift Summary
Ops Shift Log: 01/27/2017, Owl Shift 08:00 – 16:00 (00:00 - 08:00) Time - UTC (PT)
State of H1: IFO locked and in Observing. Environmental conditions remain good. No problems or issues at this time.
Intent Bit: Observing
Support: N/A
Incoming Operator: Ed
Shift Summary: Received GRB alert. Spoke with LLO Ops. As both sites are in Observing mode, started 1-hour stand-down period. Ran the A2L DTT script. Pitch coherence is a bit elevated. Will run A2L script at next opportunity.
After relocking this morning, the 4735 Hz violin mode has settled down. The A2L looks better as well.
Activity Log: Time - UTC (PT)
08:00 (00:00) Take over from Nutsinee
09:11 (01:11) GRB Alert – Both sites in Observing. In one hour stand-down.
10:12 (02:12) End one hour stand-down from GRB Alert
10:15 (02:15) Ran A2L DTT script. Pitch is a bit high. Will run A2L script at next opportunity
14:11 (06:11) Lockloss – Cause unknown
14:22 (06:22) GRB Alert – IFO unlocked ignored alert
14:55 (06:55) Relocked at NOMINAL_LOW_NOISE, power 30.7W, range 68.9 Mpc
14:56 (06:56) Set intent bit to Observing
15:02 (07:02) Damped PI Mode 28
15:06 (07:06) Damped PI Mode 27
15:13 (07:13) GRB Alert – LLO unlocked ignored alert
15:15 (07:15) GRB Alert – LLO unlocked ignored alert
16:00 (08:00) Turn over to ED