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  * Meeting time: 10:00-11:00 JST/KST on every Thursday
=== 20190228 ===		   * Meeting time: 13:00-13:30 JST/KST on every Monday
  * Meeting room: Zoom

<<TableOfContents(3)>>

-----
== Agenda & Minutes ==

=== 20220228 (Mon.) ===
  * Agenda
    * LVK meeting March 2022 [[https://wiki.ligo.org/LSC/Meeting/LVKMeetingMarch2022|wiki]]
    * 120Hz glitches
    * DQ flags for O4
    * progress of DQR
    * lock loss study of GreenX

-----
=== 20220221 (Mon.) ===
  * Agenda
    * 120Hz glitches
    * DQ flags for O4
    * progress of DQR

  * Minutes
    * 120Hz glitches
      * No updates
    * DQ flags for O4
      * No updates
    * progress of DQR
      * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19847|klog#19847]]
    * Proposal new tool to see past data by NDS (Darkhan)

-----
=== 20220207 (Mon.) ===
  * Agenda
    * 120Hz glitches
    * Report from [[https://wiki.ligo.org/DetChar/JanFeb2022DetCharF2F|LIGO Detchar F2F Meeting]]
    * DQ flags for O4
    * progress of DQR
  * Minutes
    * 120Hz glitches
      * No updates
    * DQ flags for O4
      * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13851|slide]]
      * (Yuzurihara) read BLRMS data and made the several plots with 1% and 99% percentile.
      * When KAGRA will be locked as observation mode?
       * hopefully after july, there will be lock trial for two monthes(?)
      * When you set the 1% criteria, always you throw away the 1% data?
       * We might need to consider the better procedure to care that point.
    * progress of DQR
      * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19671|klog#19671]]

-----
=== 20220131 (Mon.) ===
  * Agenda
    * 120Hz glitches
    * Report from DQR hackathon
    * DQ flags for O4
    * Master thesis (Morisue-san)

-----
=== 20220117 (Mon.) ===
  * Agenda
    * 120Hz glitches
    * ITMX glitches
    * DQR progress
    * DQ flags for O4
  * Minutes
    * 120Hz glitches
      * No updates
      * Next step is coincidence search with signals around ETMY including local control sensors.
    * ITMX glitches
      * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19212|klog#19212]]
      * K1:VIS-ITMX_F3_LVDTINF_GAS_{IN1,OUT} have glitches.
      * It seems to occur around AA chassis. (AA and cable replacement didn't help to improve situation).
      * We will try to find glitches on other channels on the same ADC board.
      * This channel should be added to Omicron search on SummaryPages.
    * DQR progress
      * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13721|JGW-G2213721]]
    * DQ flags for O4
      * No updates
    * O3GK paper
      * Threshold used for computing a glitch rate was changed as SNR=6.5.
      * It's a same criterion with LIGO, and Virgo.
      * Both GEO and KAGRA's results are now computed and draft was also updated.

-----
=== Past meeting ===
  * [[KAGRA/Subgroups/DET/Meeting/2021|2021]]
  * [[KAGRA/Subgroups/DET/Meeting/2020|2020]]
  * [[KAGRA/Subgroups/DET/Meeting/2019|2019]]

Meetings

  • Meeting time: 13:00-13:30 JST/KST on every Monday
  • Meeting room: Zoom

Contents

  1. Meetings
    1. Agenda & Minutes
      1. 20220228 (Mon.)
      2. 20220221 (Mon.)
      3. 20220207 (Mon.)
      4. 20220131 (Mon.)
      5. 20220117 (Mon.)
      6. Past meeting

Agenda & Minutes

20220228 (Mon.)

  • Agenda

    • LVK meeting March 2022 wiki

    • 120Hz glitches
    • DQ flags for O4
    • progress of DQR
    • lock loss study of GreenX

20220221 (Mon.)

  • Agenda
    • 120Hz glitches
    • DQ flags for O4
    • progress of DQR
  • Minutes
    • 120Hz glitches
      • No updates
    • DQ flags for O4
      • No updates
    • progress of DQR
    • Proposal new tool to see past data by NDS (Darkhan)

20220207 (Mon.)

  • Agenda
  • Minutes
    • 120Hz glitches
      • No updates
    • DQ flags for O4

      • slide

      • (Yuzurihara) read BLRMS data and made the several plots with 1% and 99% percentile.
      • When KAGRA will be locked as observation mode?
        • hopefully after july, there will be lock trial for two monthes(?)
      • When you set the 1% criteria, always you throw away the 1% data?
        • We might need to consider the better procedure to care that point.
    • progress of DQR

20220131 (Mon.)

  • Agenda
    • 120Hz glitches
    • Report from DQR hackathon
    • DQ flags for O4
    • Master thesis (Morisue-san)

20220117 (Mon.)

  • Agenda
    • 120Hz glitches
    • ITMX glitches
    • DQR progress
    • DQ flags for O4
  • Minutes
    • 120Hz glitches
      • No updates
      • Next step is coincidence search with signals around ETMY including local control sensors.
    • ITMX glitches

      • klog#19212

      • K1:VIS-ITMX_F3_LVDTINF_GAS_{IN1,OUT} have glitches.
      • It seems to occur around AA chassis. (AA and cable replacement didn't help to improve situation).
      • We will try to find glitches on other channels on the same ADC board.

      • This channel should be added to Omicron search on SummaryPages.

    • DQR progress
    • DQ flags for O4
      • No updates
    • O3GK paper
      • Threshold used for computing a glitch rate was changed as SNR=6.5.
      • It's a same criterion with LIGO, and Virgo.
      • Both GEO and KAGRA's results are now computed and draft was also updated.

Past meeting

KAGRA/Subgroups/DET/Meeting (last edited 2024-04-24 13:10:33 by HirotakaYuzurihara)