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== Agenda & Minutes ==
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=== 20240110 (Wed.) === === 20250122 (Wed.) ===
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      * KAGRA international workshop (KIW11)@Taiwan: 2023/04/16-17
    * Gravitaional wave open data workshop (GWODW7)@Taiwan: 2023/04/18-20 [[https://gwosc.org/workshops/|web]]
     * presentation about the basic data quality (Yuzurihara)
    * LIGO-Virgo-KAGRA detchar joint meeting
     * tileslot: onthly, 23:00 JST (14:00 UTC) or 6:00 JST (21 UTC)
     * Last meeting on Nov. 15 23:00 JST (14:00 UTC) [[https://wiki.ligo.org/DetChar/Telecon20231115|wiki]]
    * O4a/preO4b(not call it as postO4a)/ER16/O4b schedule:
     * '''O4a''': It will end at 1600 UTC on '''16 Jan 2024'''. LLO will end O4a observing early, at 1400 UTC.
     * '''ER16''': It will nominally start on '''13 Mar 2024''', and last for 2 weeks. (Note that ER16 will begin in the middle of the next LVK meeting at LSU, 11-14 March.)
     * '''O4b''': We plan to commence O4b at 1600 UTC (2500 JST) on '''27 Mar 2024'''.
     * Ref.[[https://wiki.ligo.org/Operations/Agenda231214#Agenda|internal short announcements (reminders)]], [[https://observing.docs.ligo.org/plan/|public announcements]]
    * Information of O4a [[https://dac.icrr.u-tokyo.ac.jp/KAGRA/Observations/O4a|wiki]] page
    * White paper and task list for 2024 [[https://git.ligo.org/operations/operations-white-paper-2023|git repo]]
    * KAGRA site report (Yuzurihara)
   * Commissioning support + tasks related to O4a
    * O4a for KAGRA : 2023/05/25 0:00 JST (=2023/05/24 15:00UTC) ~ 2023/06/21 8:00 JST
    * Event validation (YamaT)
    * Tool to evaluate Gaussianity (Yamamura)
    * Scattered light noise (Yamamura)
    * Pastavi update (Yuzurihara)
    * Noise hunting by machine learning and Hveto (Kyujin, Kihyun, Syifa)
     * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=28029|Hveto O4a results]]
    * Classification of glitch noise (Shikano, Oshino)
    * IPC glitch
     * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=28025|Summary of recent segment for IPC glitch (2023/11~12)]]
    * line noise study (Samurai)
     * Peak identifications [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/misc/html/knownlines_o4a.html|web]]
   * Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
   * DQR update (Yuzurihara)
   * Update contents of summary page (Oshino)
    * run Omicron at Kamioka site and refresh the Omicron plots on summary page during O4a period
   * Combine DET computer resources into one DET cluster at Kamioka site
   * Script to generate segment files (Uchikata, Narikawa)
   * Related to segment files (Uchikata, Narikawa)
   * provide the dedicated summary page for O4a of KAGRA? [[https://ldas-jobs.ligo.caltech.edu/~detchar/summary/O3a/|O3a (LV)]]
 * Minutes 		    * O4b schedule:
     * '''O4b''': O4b will now end 9 June 2025.
     * [[https://observing.docs.ligo.org/plan/|Run plan(12/15 updated)]] [[https://wiki.ligo.org/Operations/Agenda241219|operation (12/19)]]
    * Scheduled conference
     * LVK meeting: 2024/03/24-27 @Albert Park, Melbourne, Australia
      * Early bird registration will close at 2025/01/16.
     * Open Data Workshop 2024/05/12-14
     * GWADW 2025: 2024/05/18~5/23 @the Hilton Cocoa Beach (Florida) Oceanfront
     * Amaldi & GR: 2024/07/14-18 @Scottish Exhibition Centre, Glasgow, UK [[https://iop.eventsair.com/gr24-amaldi16/|web]]
     * ICRC 2025: 2024/07/15-24 @Geneva (Switzerland) [[https://indico.cern.ch/e/icrc2025|web]]
    * KAGRA site report [[https://gwdoc.icrr.u-tokyo.ac.jp/DocDB/0162/L2416243/001/KAGRAReport_20241211.pdf|12/11]]
    * Evaluation of effort for KAGRA authorship 2024 is underway.
    * Several visitors at the KAGRA site during January
    * Power outage around the KAGRA site --> no impact for KAGRA
    * Mail server issue, from January 10th, 21:09 to January 11th, 22:56 JST
    * Next meeting: 2025/01/29
   * Progress reports
     * Upgrade DetChar computers (YamaT)
     * DQR update (Yuzurihara)
     * lock loss study in the commissioning (YamaT, Yuzurihara) [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/misc/html/lockloss_o4b_break.html|web]]
     * Update contents of summary page (Oshino)
     * Related to segment files (Uchikata, Narikawa)
     * pyCBC trigger list for O4a data (Narikawa and Uchikata)
     * provide the CAT1 veto-definer file for IPC glitch (Uchikata)
 * Minutes
     * Commissioning support
      * lockloss investigation: 2024/12/31 [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=32358|klog]]
     * Segment file
      * Update script to generate Segment files for the past data [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=32349|klog]]
     * Scattered light noise
      * Scattered light noise reoprt: ASD of OPTLV channels and 2024.12.13 data [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=32344|klog]]
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-----
=== 20250115 (Wed.) ===
 * Agenda
   * Announcement
    * O4b schedule:
     * '''O4b''': O4b will now end 9 June 2025.
     * [[https://observing.docs.ligo.org/plan/|Run plan(12/15 updated)]] [[https://wiki.ligo.org/Operations/Agenda241219|operation (12/19)]]
    * Scheduled conference
     * LVK meeting: 2024/03/24-27 @Albert Park, Melbourne, Australia
      * Early bird registration will close at 2025/01/16.
     * Open Data Workshop 2024/05/12-14
     * GWADW 2025: 2024/05/18~5/23 @the Hilton Cocoa Beach (Florida) Oceanfront
     * Amaldi & GR: 2024/07/14-18 @Scottish Exhibition Centre, Glasgow, UK [[https://iop.eventsair.com/gr24-amaldi16/|web]]
     * ICRC 2025: 2024/07/15-24 @Geneva (Switzerland) [[https://indico.cern.ch/e/icrc2025|web]]
    * KAGRA site report [[https://gwdoc.icrr.u-tokyo.ac.jp/DocDB/0162/L2416243/001/KAGRAReport_20241211.pdf|12/11]]
    * Evaluation of effort for KAGRA authorship 2024 is underway.
    * Several visitors at the KAGRA site during January
    * Power outage around the KAGRA site --> no impact for KAGRA
    * Mail server issue, from January 10th, 21:09 to January 11th, 22:56 JST
    * Next meeting: 2025/01/22
   * Progress reports
     * Upgrade DetChar computers (YamaT)
     * DQR update (Yuzurihara)
     * lock loss study in the commissioning (YamaT, Yuzurihara) [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/misc/html/lockloss_o4b_break.html|web]]
     * Update contents of summary page (Oshino)
     * Related to segment files (Uchikata, Narikawa)
     * pyCBC trigger list for O4a data (Narikawa and Uchikata)
     * provide the CAT1 veto-definer file for IPC glitch (Uchikata)
 * Minutes
     * Commissioning support
     * Line Monitor
      * Automation of the daily monitor for identifying and fitting the line noise [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=32284|klog]]
     * Segment file
      * The segment name of the IPC glitch was changed from `K1-DAQ-IPC_ERROR` to `K1-DAQ_IPC_ERROR`. [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=32339|klog]]
      * Due to IPC glitch, the locked segment will be devided into short segments. They evaluated the fraction of the short segments. The actual threshold is necessary to be determined in future. [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=16430|slide]]
      * The current favor is 256 s. When we applied this threshold, we will exclude 1% data from the science mode. We need to collect the requirements of each pipeline.
    * Noise subtraction pipelines (Chia-Jui Chou)
     * deepclean (Chia-Jui Chou)
      * run at kamioka
     * seqARIMA (David Hui, Sangin Kim)
      * run at kashiwa
     * ICA (Kume, Itoh, Yokoyama)
     * The common goal is to subtract the noise.
     * it's important to test the long term stability.
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=== 20250108 (Wed.) ===
 * Agenda
   * Announcement
    * O4b schedule:
     * '''O4b''': O4b will now end 9 June 2025.
     * [[https://observing.docs.ligo.org/plan/|Run plan(12/15 updated)]] [[https://wiki.ligo.org/Operations/Agenda241219|operation (12/19)]]
    * Scheduled conference
     * LVK meeting: 2024/03/24-27 @Albert Park, Melbourne, Australia
      * Early bird registration will close at 2025/01/16.
     * Open Data Workshop 2024/05/12-14
     * GWADW 2025: 2024/05/18~5/23 @the Hilton Cocoa Beach (Florida) Oceanfront
     * Amaldi & GR: 2024/07/14-18 @Scottish Exhibition Centre, Glasgow, UK [[https://iop.eventsair.com/gr24-amaldi16/|web]]
     * ICRC 2025: 2024/07/15-24 @Geneva (Switzerland) [[https://indico.cern.ch/e/icrc2025|web]]
    * KAGRA site report [[https://gwdoc.icrr.u-tokyo.ac.jp/DocDB/0162/L2416243/001/KAGRAReport_20241211.pdf|12/11]]
     * For the summary during holidays, see Miyoki-san's mail.
    * Evaluation of effort for KAGRA authorship 2024 is underway.
    * Several visiters at KAGRA site during January
    * Next meeting: 2025/01/15
   * Progress reports
     * Upgrade DetChar computers (YamaT)
     * DQR update (Yuzurihara)
     * lock loss study in the commissioning (YamaT, Yuzurihara) [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/misc/html/lockloss_o4b_break.html|web]]
     * Update contents of summary page (Oshino)
     * Related to segment files (Uchikata, Narikawa)
     * pyCBC trigger list for O4a data (Narikawa and Uchikata)
     * provide the CAT1 veto-definer file for IPC glitch (Uchikata)
 * Minutes
     * Commissioning support
      * Summarize the lockloss count labeled by the SYS_LOCKLOSS guardian [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=32170|klog]] [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=16404|table]]
      * Categorization by the behavior of POP90 before the lockloss [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=32167|klog]]
     * Segment file
      * The segment of `K1-GRD_PEM_EARTHQUAKE` is already available on DQSEGDB. For other new segments will be available at DQSEGDB. ([[https://git.ligo.org/computing/helpdesk/-/issues/6176#note_1245022|git issue]])
      * Name convention issue came up. Plan: `K1-DAQ-IPC_ERROR` --> `K1-DAQ_IPC_ERROR`. Before releasing this segment, we have a chance to change the name.
      * We need to update other scripts if we change the segment name. Developers or maintainers, please check your code.
     * It's better to keep the code in the [[https://github.com/gw-detchar/tools|GitHub repository]] up-to-date. Remember to push the code after you modified it or confirmed it's stable.
     * The line monitor is working well during the holidays. [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/LineMonitor/day/today/|web]]

-----
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  * [[KAGRA/Subgroups/DET/Meeting/2024|2024]]

Meetings

  • Meeting time: 11:00-11:30 JST/KST on every Wednesday
  • Meeting room: Zoom3

Contents

  1. Meetings
      1. 20250122 (Wed.)
      2. 20250115 (Wed.)
      3. 20250108 (Wed.)
      4. Past meeting

20250122 (Wed.)

  • Agenda
    • Announcement
      • O4b schedule:
      • Scheduled conference
        • LVK meeting: 2024/03/24-27 @Albert Park, Melbourne, Australia
          • Early bird registration will close at 2025/01/16.
        • Open Data Workshop 2024/05/12-14
        • GWADW 2025: 2024/05/18~5/23 @the Hilton Cocoa Beach (Florida) Oceanfront

        • Amaldi & GR: 2024/07/14-18 @Scottish Exhibition Centre, Glasgow, UK web

        • ICRC 2025: 2024/07/15-24 @Geneva (Switzerland) web

      • KAGRA site report 12/11

      • Evaluation of effort for KAGRA authorship 2024 is underway.
      • Several visitors at the KAGRA site during January

      • Power outage around the KAGRA site --> no impact for KAGRA

      • Mail server issue, from January 10th, 21:09 to January 11th, 22:56 JST
      • Next meeting: 2025/01/29
    • Progress reports

      • Upgrade DetChar computers (YamaT)

      • DQR update (Yuzurihara)

      • lock loss study in the commissioning (YamaT, Yuzurihara) web

      • Update contents of summary page (Oshino)
      • Related to segment files (Uchikata, Narikawa)
      • pyCBC trigger list for O4a data (Narikawa and Uchikata)
      • provide the CAT1 veto-definer file for IPC glitch (Uchikata)
  • Minutes
    • Commissioning support

      • lockloss investigation: 2024/12/31 klog

    • Segment file

      • Update script to generate Segment files for the past data klog

    • Scattered light noise

      • Scattered light noise reoprt: ASD of OPTLV channels and 2024.12.13 data klog

20250115 (Wed.)

  • Agenda
    • Announcement
      • O4b schedule:
      • Scheduled conference
        • LVK meeting: 2024/03/24-27 @Albert Park, Melbourne, Australia
          • Early bird registration will close at 2025/01/16.
        • Open Data Workshop 2024/05/12-14
        • GWADW 2025: 2024/05/18~5/23 @the Hilton Cocoa Beach (Florida) Oceanfront

        • Amaldi & GR: 2024/07/14-18 @Scottish Exhibition Centre, Glasgow, UK web

        • ICRC 2025: 2024/07/15-24 @Geneva (Switzerland) web

      • KAGRA site report 12/11

      • Evaluation of effort for KAGRA authorship 2024 is underway.
      • Several visitors at the KAGRA site during January

      • Power outage around the KAGRA site --> no impact for KAGRA

      • Mail server issue, from January 10th, 21:09 to January 11th, 22:56 JST
      • Next meeting: 2025/01/22
    • Progress reports

      • Upgrade DetChar computers (YamaT)

      • DQR update (Yuzurihara)

      • lock loss study in the commissioning (YamaT, Yuzurihara) web

      • Update contents of summary page (Oshino)
      • Related to segment files (Uchikata, Narikawa)
      • pyCBC trigger list for O4a data (Narikawa and Uchikata)
      • provide the CAT1 veto-definer file for IPC glitch (Uchikata)
  • Minutes
    • Commissioning support
    • Line Monitor

      • Automation of the daily monitor for identifying and fitting the line noise klog

    • Segment file

      • The segment name of the IPC glitch was changed from K1-DAQ-IPC_ERROR to K1-DAQ_IPC_ERROR. klog

      • Due to IPC glitch, the locked segment will be devided into short segments. They evaluated the fraction of the short segments. The actual threshold is necessary to be determined in future. slide

      • The current favor is 256 s. When we applied this threshold, we will exclude 1% data from the science mode. We need to collect the requirements of each pipeline.
    • Noise subtraction pipelines (Chia-Jui Chou)
      • deepclean (Chia-Jui Chou)
        • run at kamioka
      • seqARIMA (David Hui, Sangin Kim)
        • run at kashiwa
      • ICA (Kume, Itoh, Yokoyama)
      • The common goal is to subtract the noise.
      • it's important to test the long term stability.

20250108 (Wed.)

  • Agenda
    • Announcement
      • O4b schedule:
      • Scheduled conference
        • LVK meeting: 2024/03/24-27 @Albert Park, Melbourne, Australia
          • Early bird registration will close at 2025/01/16.
        • Open Data Workshop 2024/05/12-14
        • GWADW 2025: 2024/05/18~5/23 @the Hilton Cocoa Beach (Florida) Oceanfront

        • Amaldi & GR: 2024/07/14-18 @Scottish Exhibition Centre, Glasgow, UK web

        • ICRC 2025: 2024/07/15-24 @Geneva (Switzerland) web

      • KAGRA site report 12/11

        • For the summary during holidays, see Miyoki-san's mail.
      • Evaluation of effort for KAGRA authorship 2024 is underway.
      • Several visiters at KAGRA site during January
      • Next meeting: 2025/01/15
    • Progress reports

      • Upgrade DetChar computers (YamaT)

      • DQR update (Yuzurihara)

      • lock loss study in the commissioning (YamaT, Yuzurihara) web

      • Update contents of summary page (Oshino)
      • Related to segment files (Uchikata, Narikawa)
      • pyCBC trigger list for O4a data (Narikawa and Uchikata)
      • provide the CAT1 veto-definer file for IPC glitch (Uchikata)
  • Minutes
    • Commissioning support

      • Summarize the lockloss count labeled by the SYS_LOCKLOSS guardian klog table

      • Categorization by the behavior of POP90 before the lockloss klog

    • Segment file

      • The segment of K1-GRD_PEM_EARTHQUAKE is already available on DQSEGDB. For other new segments will be available at DQSEGDB. (git issue)

      • Name convention issue came up. Plan: K1-DAQ-IPC_ERROR --> K1-DAQ_IPC_ERROR. Before releasing this segment, we have a chance to change the name.

      • We need to update other scripts if we change the segment name. Developers or maintainers, please check your code.

    • It's better to keep the code in the GitHub repository up-to-date. Remember to push the code after you modified it or confirmed it's stable.

    • The line monitor is working well during the holidays. web

Past meeting

KAGRA/Subgroups/DET/Meeting (last edited 2025-01-16 16:59:45 by HirotakaYuzurihara)