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⇤ ← Revision 1 as of 2024-05-10 08:11:15 →
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Editor: TakaakiYokozawa
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Size: 3412
Editor: TakaakiYokozawa
Comment:
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 * 2024/04/26(Fri) 18:00-  * 2024/05/10(Fri) 18:00-
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 * 2024年度もよろしくお願いします。

 * もうしばらくはKAGRA recovery meetingが伸びる可能性がありますので18:00-開催に変更していただく可能性があります。

 * 祝日ですが、5/6にVirgo memberとVK PEM meeting開催予定です。またご連絡いたします。
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  * One month Aug. - Dec.   * One month around Nov.
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 * Authorlist 2024
  * If you have an opinion, please let us know.

 * O4b
  * ER16 20th Mar.
  * O4b 10th Apr.
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  * KIW11
   * Taiwan (2024/04/16-20)
   * Yokozawa : Exploring the Mesoscale Meteorology on the KAGRA Gravitational Wave Detector
   * Washimi : Earthquake Effects on KAGRA
   * 4/19 afternoon meeting with deepclean member
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   * Type-Bp
    * First contac trial		    * IFI, IMM, PRM
    * Pumping down start today
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    * IX : One leak found and re-pumping down ongoing
    * EX : Pumping down ongoing
    * IY : Started the pumping down		     * IX : Pumping down/ health check ongoing
    * EX : Pumping down/ health check ongoing
    * IY : Pumping down/ health check ongoing

Weekly PEM meeting

General announcement

  • SEO PEM budget 2024
    • 285 man yen
  • Several Virgo ENV member have some plan to visit KAGRA about 1 month
    • One month around Nov.
    • They are also thinking about visiting LIGO
    • KAGRA would still be commissioning phase
    • Plan
      • Noise hunting (PEM injection)
      • Magnetic injection
      • Additional NN measurement
      • Other
  • O4a noise budget paper
    • If you have a plan to write the paper using O4a data and PEM, please let me know.

Meeting and Conference issue

  • Please reserve the hotel in Hokkaido if you plan to join the Autumn JPS meeting next time
  • GWADW
    • Australia (2024/05/12-18)
  • GWPAW
    • England (2024/05/27-31)

  • Other meetings url

If you have some presentation about PEM related, please contact to me.

Business travel

  • To Kamioka
    • None
  • From Kamioka
    • None

General issue

  • Interferometer recovery
    • IMC Recovery : Done (Similar situation around O4a)
    • Plan to have a hammering test toward future blasting
    • IFI, IMM, PRM
      • Pumping down start today
    • Type-A
      • IX : Pumping down/ health check ongoing
      • EX : Pumping down/ health check ongoing
      • IY : Pumping down/ health check ongoing
      • EY : Need more investigation aboud liquid at EYA and photo sensor at EYC
    • OMC vibration
      • Need to treat something for stacks of OMC chamber
      • Discussed in the recovery meeting
    • IR/GR alignment recovery : Ongoing

Jurnal paper issue

Details are here!

Preparation for O4b

  • [Important] Strategy for reducing the effect of the acoustic noise
    • Discuss in Yokozawa part
  • PEM installation
    • Waiting the timing of TMSX and TMSY
  • Evaluation of newtonian noise
    • Anoop and Washimi
  • Investigation of the PEM injection
    • Magnetic injection
  • Voltmeter preparation
    • AC power monitor installation
    • DC power monitor installation

Progress report

  • Yuzurihara
    • Pastavi

    • Data Quality Report slide

    • Data quality evaluation
  • Sato
    • Sound source analysis
  • Kume

    • PR3 line injection klog25670

    • Noise subtraction
  • Nishizawa
    • Water newtonian noise
    • Magnetic field analysis
  • Washimi
    • OMC vibration test
  • Yokozawa
    • Strategy for reducing the acoustic noise

Place for memo

KAGRA/Subgroups/PEM/Meeting/240510/Agenda (last edited 2024-05-10 08:22:18 by TakaakiYokozawa)