Weekly PEM meeting

• 2021/01/29(Fri) 17:30-
• Regular meeting

• Zoom2 : https://zoom.us/j/6676627462

Agenda

Conference issue

• JPS meeting URL

  • オフライン解析によるKAGRAデータの雑音除去(Kume)
• If you have some presentation about PEM related, please contact to me.

General issue

• Interferometer schedule JGW12041

  • VIS upgrade
  • IMC beam centering
  • IYC experience
  • Temperature control
• New PC for weather station
  • Oshino-san prepared

  • URL(only ICRR network)

• Call candidate for seismometer data analysis person
  • Seismic motion during O3GK
  • Turn over Fujikawa-san's analysis
  • Detail analysis for micro-seismic motion
  • Earthquake information
  • Some human activity(1-10 Hz) behavior
  • About 3monto for postdoc or doctor student, half year for master(2nd) student?

• Contribution to PEM for joining the author list Working list

  • KAGRA Environmental study (Including (future) newtonian noise measurement)
  • Noise evaluation using PEMs (Including lock loss study and offline subtraction)
  • Setting monitors (Cabling, making monitor, ondotori maintenance)
  • Others

• Evaluation meeting URL

  • Make brief summary

Discussion item

• Start the investigation for measurement of the newtonian noise

  • NN meeting (URL)

  • Seismic NN
    • Fractal analysis (Submitted to CPC, seminar done)
    • Francesca analysis (Seismic(Completed), Atmospheric(analysis done))
    • Many seismometers (Call analysis people, hint from fractal analysis)
    • Accelerometers for wall (Call analysis people)
  • Water fluid NN
    • Fluid meter (We will install in this physical year)
    • Simulation
  • Atomospheric NN
    • Relative temperature monitor
    • Infrasound (Four low-frequency microphone by Yokoyama-san)
  • Gravity monitor
    • TOBA
    • Superconducting Gravimeter

Jurnal paper issue

Details are here!

• PTEP (2) : noise budget(K.Yamamoto) Check list, slack <<Analysis is ongoing>>

  • Latest plot (12/29)

  • Remaining works:
    • NB figure was completed
    • Writing?

• PTEP (3) : CAL, DET, PEM, GIF (Yokozawa) <<3rd Submitted done>> JGW-P2011664

• Acoustic injection paper (Washimi) <<Submitted to CQG>> JGW-P2012122

• Lightening paper (Washimi) <<Submitted to CPC>> JGW-P2112426

• Fractal paper (with Virgo) <<Submitted to CPC>> JGW-P2112438

• Seismic NN paper (with Virgo) <<DRAFT CIRCULATION>>

• Reverberation time paper (Washimi+) <<Start writing>>

• ICA for E-run/O3GK (Kume, Yokoyama) <<Analysis ON GOING>>

• Portable PEMs (Yokozawa+) <<Start writing>>

Preparation for O4

• PEM table
  • k1ctr plan
    • Cabling, DELL PC update
• Cabling issue
  • Cleaning the center area
  • PEM cabling plan
    • BS-IYC cabling (March or April?)
  • New cable rack
    • cabling, moving from IX0
• Noise mitigation / Environment stability
  • GND issue
    • IXV 40kHz glitch, moving mass?
    • Yokozawa started the summary and plan for presentation at chief meeting
  • Temperature control
    • IYC dry air, temperature is good now
• PEM sensors
  • Re-install the ACCs, MICs, MAGs before commissioning start
  • water fluid monitor
  • read out of the lightning sensor
  • Infrasound monitor @ Atotsu, Mozumi, tunnel (+ Toyama?)

  • Magnetometers for Schumann resonance MFS-06e

  • Infrasound microphone (ACO4152NHA, 0.05 - 8000 Hz)
• PEM injection
  • Acoustic injection at X/Y-end
  • Magnetic injection

• After O4
  • RF monitor
  • Tiltmeter
  • RI detector
  • Newtonian noise

Memo for working list in this physical year

• Find time when Yokozawa and Washimi-san can work
  • Bird watching
    • Change battery operation to AC power supply operation (We bought 20 AC taps)
  • Measurement by particle counter
    • Plan is ongoing
• Yokozawa and Nakano-san
  • Cable diagram for IOO

Progress report

• Yokozawa
  • Temperature control
• Washimi
  • Lightening paper
• Kume
  • ICA analysis related with PEM

Place for memo