Ops Shift Log: 06/20/2017, Evening Shift 23:00 – 07:00 (16:00 - 00:00) Time - UTC (PT)

State of H1: Locked at NLN, 28.8W, 66.3Mpc

Intent Bit: Observing

Support: Sheila

Incoming Operator: Corey

 

Shift Summary: Commissioning work continues. Back to NLN. Ran A2L check DTT; Pitch is OK, Yaw is elevated. Run the A2L repair script.

LLO is down due to the Tropical Storm in the Gulf. They are canceling the remaining night shifts. The day shift will reevaluate the situation in the morning.

LLO Ops has secured the site until tomorrow AM.

Relocked at NLN, clear SDFs, Damp PI Mode-28, and back to Observing.

Kind of a rough night for lock stretch. After commissioning ended had strong and gusty winds for the final third of the shift. Many gusts into the upper 30s and mid 40s. Winds are abating somewhat, but still rather gusty. Seismic activity as started to come down as well. Range has picked up a bit.    

 

Activity Log: Time - UTC (PT)

23:00 (16:00) Take over from Cheryl

23:10 (16:10) Relocked at SRM_ASC_HIGH_POWER

23:28 (16:28) Lockloss – Commissioning

23:56 (16:56) Kiwamu & Daniel – Going into the CER

00:00 (17:00) Kiwamu & Daniel – Back from CER

00:11 (17:11) Relocked at NLN

00:20 (17:20) Sheila & Jeff – Turn off ITM-Y OpLev laser

00:30 (17:30) Sweep LVEA

01:22 (18:22) Sheila – Turn back on the IMT-Y OpLev laser

01:52 (18:52) Damp PI Mode-26

01:55 (18:55) Lockloss – Unknown

02:27 (19:27) Relocked at NLN

02:34 (19:34) Damp PI Mode-26 by Phase sign flip

02:50 (19:50) Sheila – Going into the LVEA to unplug the fiber from the ITM-Y OpLev laser

02:56 (19:56) Sheila – Out of the LVEA

03:05 (20:05) LLO – IFO is in DOWN, Ops has secured the site until tomorrow AM

03:30 (20:30) Lockloss – Commissioning

04:35 (21:35) Relocked at NLN

04:46 (21:46) Damp PI Mode-28 – Phase sign flip and increase

04:57 (21:57) Back to Observing

05:51 (22:51) Lockloss – Unknown

06:23 (23:23) Relocked at NLN – Back to Observing

07:00 (00:00) Turn over to Corey