DURATION: 2020/04/09 17:00-25:00 JST, all times posted in JST

operator shift : Lucia Trozzo
co-operator shift : T. Uchiyama

CURRENT ENVIRONMENT: stable

shift SUMMARY : BNS range 0.5Mpc ~ 0.6Mpc

time / event
17:00/ shift started. IFO is unlocked.

17:13/ Observing started. 0.61 Mpc
[observation maintained for 1hour ]
18:10/ Lock loss (not earthquake)

18:19 / Observing started. IMC output is 5.2W. 0.61Mpc
[observation maintained for 0.1hour ]
18:26 / Lock loss (not earthquake)

18:40 / Lock recovered. IMC output is 5.2W. 0.62Mpc
18:53 / Observing started
[observation maintained for 1.8 hour]
20:42 / Lock loss (not earthquake)

21:10 / Lock recovered but not going to Observing due to SDF troubles of CAL parameters.
21:19 / Observing started supported by T. Yamamoto. IMC output is 5.1W. 0.61Mpc
[observation maintained for 2.1 hour]
23:25 / Lock loss (not earthquake)

23:35 / Observing started. IMC output is 5.2W. 0.60Mpc
[observation maintained for 1.4 hour]
25:00 / continuous locking

Duty cycle 2020/04/09 17:00 -- 25:00 : Observation mode 80% (6.4h/8h)