Reports until 16:21, Wednesday 19 February 2020
H1 General
jeffrey.bartlett@LIGO.ORG - posted 16:21, Wednesday 19 February 2020 (55186)
Ops Day Shift Summary
Ops Shift Log: 02/19/2020, Day Shift 16:00 – 00:00 (08:00 - 16:00) Time - UTC (PT)
State of H1: Locked at NLN, Range is around 119Mpc
Intent Bit: Observing
Support: N/A
Incoming Operator: TJ
Shift Summary: IFO was locked and observing during the first half of the shift. Lost lock at 21:42 (13:42) due to a Mag 2.3 explosion/EQ near Pacific City OR. Have attempted several relocking, only to have lock losses in a different place each time. Finally relocked without operator intervention. There were no SDFs.
Just after relocking, had a good GRB alert (E364695) – Stand down for one hour.   
 
Activity Log: Time - UTC (PT)
15:51 (07:51) Chris – Tumbleweed harvesting on the X-Arm – working from Mid-X towards CS
16:00 (08:00) Take over from Jim
16:35 (08:35) Christina – Going to Mid-X for inventory stuff
16:39 (08:39) Betsy – Going to the Optics Lab
16:42 (08:42) Betsy – Out of the Optics Lab
19:02 (11:02) Niko – Going to the Optics Lab
19:05 (11:05) Kyle & Gerardo – Going to Mid-Y for parts – then to Mid-X to work on turbo
19:09 (11:09) Karen – Going to Mid-Y
19:50 (11:500 Niko – Out of the Optics Lab
19:53 (11:530 Karen – Back from Mid-Y
20:02 (12:02) Chris – Finished with Tumbleweed clearing along X-Arm
20:37 (12:37) Drop out of Observing – Commissioning finger check
20:38 (12:38) Back in Observing
21:42 (13:42) Lockloss – Mag2.3 Explosion/EQ near Pacific City Or
23:48 (15:48) Relocked at NLN and in Observing
23:57 (15:57) GRB Alert #364695 – Lat = 35.67 sec, Tr Dur = 0.256 sec - One hour stand down
00:00 (16:00) Turn over to TJ