DURATION: 2020/04/13 1:00-9:00 JST, all times posted in JST
operator shift : Ushiba
co-operator shift : H.Yuzurihara with T.Yokozawa, T.Yamamoto
CURRENT ENVIRONMENT: unstable due to microseismic
shift SUMMARY : BNS range ~ 0.6 Mpc
time / event
1:00 / shift started. The detector was continuously locked.
2:07 / lock loss
2:26 / observation mode
2:43 / lock loss
2:54 / observation mode
5:52 / lock loss
6:15 / observation mode
6:31 / lock loss
/ OMC alignment was done
7:10 / observation mode
7:11 / lock loss
/ watchdog for PRM was tripped
7:39 / We give up the lock trial, because the huge microseismi makes difficult to lock and we don't want to kick the suspension. We set the down state, as reported in 14130.
duty cycle 2020/04/13 01:00 -- 09:00 : Observation mode 58.1%