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 * PEM and DGS
  * PEM rack MCF

Weekly PEM meeting

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>>

  • 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
  • PEM and DGS
    • PEM rack MCF
  • 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

KAGRA/Subgroups/PEM/Meeting/210129/Agenda (last edited 2021-01-29 17:01:36 by TakaakiYokozawa)