DQ Shifter: Yanyan Zheng
Email:zytfc@umsystem.edu

Fellow(s):Ethan

Duty cycle and BNS range:

• The duty cycle of observing is (94.4+49.8+0+83.8+89+90.8+94.4)/7=71.74%
  • On Wednesday, out of observation for the whole day, due to the computer crash and heavy wind(alog54224)
  • Seveal lockloss due to the corner station models crashed (alog54187),a High Voltage trip at HAM6 (alog54280)and the connection error in Beckhoff/Slow Controls land (alog 54320), Lockloss on Monday without reason(alog 54173).
• The BNS range ~115Mpc.
  • On Friday and Sunday the BNS range are ~120Mpc. The rest of the days are ~110Mpc

Glitches:

• On Wednesday, Thursday and Saturday and Sunday, the wind speed were very high. It caused the excess noise at 10-60Hz.
• Earthquake and high microseism on Sunday caused excess noise at 10-60Hz.
• Vilion modes at 500Hz and 1000Hz presented most time of the week.

Dechar

• Hveto:
  • H1:ASC-AS_A_RF45_Q_YAW_OUT_DQ is the 1st round winner on Saturday. It picked most excess noise that may be caused by the wind and earthquake.
  • H1:LSC-POP_A_LF_OUT_DQ is the 1st round winner in the rest days of the week.

Pcal

• No pcal X and Y image on Wednesday due to out of observation all the day
• Nothing unnormal during the week

Spectra

The band semilog ration changed a little bit on Tuesday. Otherwise, nothing unnormal. 

More details can be seen at https://wiki.ligo.org/DetChar/DataQuality/DQShiftLHO20191230