2020/3/9

17:00 JST (Japan) 16:00 CST (Taiwan) 9:00 CET (Geneva)

• Discussion of maintenance day plan 16:00-17:00 [Yamamoto・Darkhan]
  • Improve the measured points (Inoue)

  • Do we need the quick analysis for commissioning break?-> dont need it. (Yamamoto-san)

• Summary of CAL analysis meeting(Yuki)slide

  • HF OMC effect

  • Pcal requiere 61usec x3?-> 61usec x2

  • Consistency check with L_A.
• Status of KAGRA observation and commissioning break (Y.Takahiro)
• Consistency check of h(t) (Y.Takahiro)
• Updates of Low latency (S.Takahiro)
• Preparing of O4(Yuki)
  • Goal
    • Installation of the Gcal systems
      • NCU Gcal was developed. We shiped the system to AS today.
      • Feng-kai, Chang-I joined KAGRA officially. They will come Japan for instllation work (1st visit: May, Second visit: July). Depend on the corona virses problem.

    • Fixing the Y-end Pcal optics -> Depend on the timing of chamber opening

    • Noise probrem of X-end PCAL -> independent task from IFO

      • Escitation port? We should charactarize it after we install new OFS and 20bit DAQ system.

    • Improvement of OFS -> independent task from IFO

      • Installed to NCU and Toyama uni. for Charactarization: Ko-Han and Ito
• Shift
  • 2/25(Tue.) [Ogaki・Inoue]
  • 3/3 (Tue.) [Ogaki・Darkhan]
  • 3/10 (Tue.) [Yamamoto・Darkhan・Yuki (remote)]
  • 3/17 WSK measurement?
  • 3/24 CAL day(Tue.) [Yamamoto・Darkhan]
  • 3/31(Tue.) [Yamomoto・Darkhan]