Differences between revisions 2 and 3
Revision 2 as of 2024-03-08 08:05:54
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Revision 3 as of 2024-03-08 08:28:55
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  * Hoshino (2/11-23)
  * Sato (2/14-22)
  * Tagoshi lab students(2/19-20)
Line 69: Line 66:
  * Washimi (3/3-9)   * Washimi (3/3-9 Sendai)
  * Yokozawa (3/27-29 Kashiwa)
Line 75: Line 73:
    * Suspension refurbishment : Mostly done
    * Alignment will start soon
    * Cavity check : OK
    * Alignment : Checked
    * Remaining work
     * Jig replacement (Aso)
     * shield re-instllation
     * Closing chamber
Line 80: Line 82:
    * Coil response PR2 : ongoing
Line 83: Line 86:
     * Magnet : Done
     * BF check : Done
     * We found the viewports for MN oplev have some frosting and something
Line 86: Line 88:
     * Magnet : Done      * Height adjustment : Done
     * NAB, TMSX : OK
     * PCal alignment : ongoing
Line 88: Line 92:
     * Magnet : Done
     * BF check : Done
     * NAB, TCam, TMSY : not yet
Line 91: Line 94:
     * Decided to open the chamber : warming up, N2 injection      * Open the chamber today
Line 94: Line 97:
    * Found the GR beam in TMSX PD
    * PR3 alignment is good for oplev (before earthquake)
     * No POP table drift
    * GRY not find : need to check SR3 and POS table
Line 166: Line 167:
  * 60Hz noise on PR2 OSEM [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=28707]]
  * Lightning event in the O4a [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=28731]]
  *
Line 170: Line 170:
  * Tapping test
   * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15606|JGWDoc15606]]
   * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15616|JGWDoc15616]]
   * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15624|JGWDoc15624]]
  * TCam

Weekly PEM meeting

General announcement

  • Authorlist 2024
    • If you have an opinion, please let us know.
  • O4b
    • Break : mid-January - mid-March, 2024
    • Virgo : will join in March
    • KAGRA : Three month during O4b(?)
  • 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

  • UGAP2024 @ Tohoku U 2024/3/4~6
  • 第4回新学術「地下宇宙」若手研究会 @ Tohoku U 2024/3/7~8
  • LVK meeting
    • Louisiana (2024/03/11-14?)
    • Yokozawa have a talk about NN noise
      • url

        • 22:00 UTC Monday 11th
      • Water fluid
      • Infrasound
      • Atomospheric NN at TOBA
      • Snow monitor
      • Past gravity field measurement
  • JPS (online) 2024/3/18-21
  • KIW11
    • Taiwan (2024/04/16-17)
    • Yokozawa and Washimi will join (Contents is not decided)
    • 4/19 afternoon with deepclean member
  • GWADW
    • Australia (2024/05/12-18)
  • GWPAW
    • Israel (2024/05/27-31)
  • Other meetings url

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

Business travel (except for conferences)

  • To Kamioka
    • Miyamoto (2/26-3/2)
  • From Kamioka
    • Washimi (3/3-9 Sendai)
    • Yokozawa (3/27-29 Kashiwa)

General issue

  • Interferometer recovery
    • IMC
      • Cavity check : OK
      • Alignment : Checked
      • Remaining work
        • Jig replacement (Aso)
        • shield re-instllation
        • Closing chamber
    • Type-Bp
      • Suspension refurbishment : Mostly done
      • Coil response PR2 : ongoing
    • Type-A
      • IX
        • We found the viewports for MN oplev have some frosting and something
      • EX
        • Height adjustment : Done
        • NAB, TMSX : OK
        • PCal alignment : ongoing
      • EY
        • NAB, TCam, TMSY : not yet
      • IY
        • Open the chamber today
    • Green alignment recovery
      • GRY not find : need to check SR3 and POS table
  • Strategy for noise hunting

Jurnal paper issue

Details are here!

  • Micro seismic analysis (Hoshino)
  • Acoustic reverberation time paper (Washimi+, Sato?)
    • Suspend
    • Re-measurement before O4?
  • TCam paper
    • Writing ongoing

Preparation for O4b

  • Snow monitor
    • Ongoing
    • First snow detected
  • 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
  • Hoshino
    • Seismic motion analysis
  • Sato
    • Sound source analysis
  • Miyamoto
    • Weather analysis
  • Takatani
    • Noise subtraction with machine learning
  • Kume
    • PR3 line injection klog25670

    • Noise subtraction
  • Nishizawa
    • Water newtonian noise
    • Magnetic field analysis
  • Washimi
  • Yokozawa
    • TCam

Place for memo

KAGRA/Subgroups/PEM/Meeting/240308/Agenda (last edited 2024-03-08 08:28:55 by TakaakiYokozawa)