• KAGRA
• Subgroups
• DET
• Meeting

Clear message

Meetings

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

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Agenda & Minutes

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20230621 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan.web

    • JPS meeting (Physical Society of Japan) @ Tohoku university : 2023/09/16 ~ 09/19 web

    • To receive GraceDB alert during O4, check RRT Lv0 shifter manual

    • gwistat (public)

    • public summary page https://gwosc.org/detector_status/today

    • How to join ligo.org Google Workspace by KAGRA's authentification wiki

  • Task during CAL/DET week + observation run data task list

    • O4a for KAGRA : 2023/05/25 0:00 JST (=2023/05/24 15:00UTC) ~ 2023/06/21 8:00 JST
    • Guardian performance (Yamamura)
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related
    • IPC glitch
    • glitch rate
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Script to generate segment files (Uchikata, Narikawa)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

• Minutes

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20230614 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan.web

    • JPS meeting (Physical Society of Japan) @ Tohoku university : 2023/09/16 ~ 09/19 web

    • To receive GraceDB alert during O4, check RRT Lv0 shifter manual

    • gwistat (public)

    • public summary page https://gwosc.org/detector_status/today

    • How to join ligo.org Google Workspace by KAGRA's authentification wiki

  • Task during CAL/DET week + observation run data task list

    • O4a for KAGRA : 2023/05/25 0:00 JST (=2023/05/24 15:00UTC) ~ 2023/06/21 8:00 JST
    • Guardian performance (Yamamura)
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related
    • IPC glitch
    • glitch rate
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Script to generate segment files (Uchikata, Narikawa)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

• Minutes

  • Task during CAL/DET week + observation run data task list

    • Tool to evaluate Gaussianity (Yamamura)

      • slide

      • check seismometer for z-axis
  • Script to generate segment files (Uchikata, Narikawa)

    • Segment production for missing/broke frame files

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20230607 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan.web

    • JPS meeting (Physical Society of Japan) @ Tohoku university : registration deadline ~06/07 14:00JST web

    • O4a event validation training followed by Q&A (see email from Ronaldas on May 23) * recording

      • May 31st, 8am BST == 16:00 JST (east friendly)

    • To receive GraceDB alert during O4, check RRT Lv0 shifter manual

    • gwistat (public)

    • public summary page https://gwosc.org/detector_status/today

      • KAGRA data not available at CIT ==> solved.

    • How to join ligo.org Google Workspace by KAGRA's authentification wiki

  • Task during CAL/DET week + observation run data task list

    • O4a for KAGRA : 2023/05/25 0:00 JST (=2023/05/24 15:00UTC) ~ 2023/06/21 8:00 JST
    • Guardian performance (Yamamura)
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related
    • IPC glitch
    • glitch rate
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Script to generate segment files (Uchikata, Narikawa)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

• Minutes

  • Task during CAL/DET week + observation run data task list

    • Guardian performance (Yamamura)

      • Summary of Guardian LSC_LOCK state during 05/17 9:00 ~ 05/23 13:34 JST

      • slide

    • Tool to evaluate Gaussianity (Yamamura)

      • JPS submission

      • non Gaussianity around 100Hz

      • what is the next step? ==> investigate the coincident behavior of other sensors

      • what is the origin of 50Hz line fluctuation? ==> unknown

  • DQR update (Yuzurihara)
    • Review is on-going.

    • Prepared the documentation for rangecheck document

  • Update contents of summary page (Oshino)

    • k1sum0 trouble

    • SummaryPage maintenance

    • (Yuzu) Should we change the Omicron configuration for h(t) channel for summary page? Omicron triggers around 70 Hz

  • Script to generate segment files (Uchikata, Narikawa)

    • Segment production for IPC glitch

    • Segments on CDS workstation

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20230531 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan.web

    • JPS meeting (Physical Society of Japan) @ Tohoku university : registration deadline ~06/07 14:00JST web

    • O4a event validation training followed by Q&A (see email from Ronaldas on May 23)

      • May 31st, 8am BST == 16:00 JST (east friendly)

    • To receive GraceDB alert during O4, check RRT Lv0 shifter manual

    • gwistat (public)

    • public summary page https://gwosc.org/detector_status/today

    • notification about sensitivity / inspiral range

  • Task during CAL/DET week + observation run data task list

    • O4a for KAGRA : 2023/05/25 0:00 JST (=2023/05/24 15:00UTC) ~ 2023/06/21 8:00 JST
    • Guardian performance (Yamamura)
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related
    • IPC glitch
    • glitch rate
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Script to generate segment files (Uchikata, Narikawa)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

• Minutes
  • Announcement
    • gwistat (public)
      • Different definition of distance

    • public summary page https://gwosc.org/detector_status/today

      • Issue on data transfer to CIT. No care to dump the frame data
    • (Lupin) KIW11 in next April at Taiwan. Plan to have open data lecture and invite detchar members as speaker

  • Task during CAL/DET week + observation run data task list

    • O4a for KAGRA : 2023/05/25 0:00 JST (=2023/05/24 15:00UTC) ~ 2023/06/21 8:00 JST
    • Guardian performance (Yamamura)

      • Summary of Guardian LSC_LOCK state during 05/17 9:00 ~ 05/23 13:34 JST

      • (YamaT) Can you distinguish intentional lockloss?(request DOWN by hand)
      • (Yamamura) discuss offline
    • Tool to evaluate Gaussianity (Yamamura)

      • Symmetric non-Gaussian feature around 340-400Hz

    • IPC glitch

      • IPC gliche investigation

      • need to collect more statistics
      • cause might be related to CPU load of DAQ system
    • glitch rate

      • Glitch rate during CAL/DET week

      • Omicron triggers around 70 Hz

      • 70 Hz glitch was not real glitch. When we apply the hight pass filter with 10Hz or use DISPLACEMENT channel, the glitch disappeared.
      • (YamaT) In the end, should we use which channel? h(t) channel with high pass filter or DISPLACEMENT channel?
      • (Yuzu) h(t) channel will be straightforward.
      • (YamaT) If the analysis method is affected by the difference of waveforms, we will obtain the different results, such as SNR. Hveto result depends on magnitude of SNR (by threshold).
  • Script to generate segment files (Uchikata, Narikawa)
    • Segment information for frame availability (provided by DMG)

    • Development of code to check the frame availability of m31 data (Kawamoto)

    • The results of script (Kawamoto)

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20230524 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

      • Registration fee (Online without Presentation) is free for master or undergraduate students

    • KIW10 : 29–30 May 2023 @ National Tsing Hua University (NTHU) web

      • Oshino-san will make a status talk of DetChar : slide

    • JPS meeting (Physical Society of Japan) @ Tohoku university : registration deadline ~06/07 14:00JST web

    • Collect all information related to O4. wiki

      • Added the link to Online IFO status

    • Update of LIGO, VIRGO AND KAGRA OBSERVING RUN PLANS (15 May 2023) web

    • O4a event validation training followed by Q&A (see email from Ronaldas)

      • May 30th, 6pm BST == 2:00 JST
      • May 31st, 8am BST == 16:00 JST (east friendly)

    • GraceDB alert during O4 / RRT Lv0 shifter document

    • public summary page https://gwosc.org/detector_status/today

  • KAGRA commissioning reports (Yokozawa) Commissioning230524

  • Task during CAL/DET week
    • May 17(Wed)~May 23 (Tue) calibration measurement and data taking for same configuration with observation period
  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related

    • OpLev glitch in TypeB/Bp suspensions

    • IPC glitch
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Script to generate segment files (Uchikata, Narikawa)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

• Minutes
  • Task during CAL/DET week
    • last week, no commissioning work
    • May 17(Wed)~May 23 (Tue) calibration measurement and data taking for same configuration with observation period

    • SCIENCE flag works fine

    • Online IFO status (YamaT)

    • slide

    • glitch rate evaluation (Uchikata) slide

      • clustering window is 0.1 s
      • (Yokozawa) What is the cause of high SNR glitch around 70Hz?
      • might be caused by Omicron itself
      • Uchikata-san will make a summary plot to focus 70Hz.
  • Commissioning support
    • Tool to evaluate Gaussianity (Yamamura)

      • Decrease in the inspiral range of BBH [30-30], on 05/21

      • Major improvement of GauCh

      • An investigation of Non-Gaussiannity on 5/16

      • Link to non Gaussianity monitor (Gauch) is available on summary page

    • IPC glitch
      • IPC glitch occurrence is monitored. During observation run, IPC glitch time will be spent for the manual alignment of PR3.
      • occurrence rate was decreased?
      • When we move the time to launch detchar tool, the number of IPC glitch was reduced.
  • DQR update (Yuzurihara)
    • Code review is on-going
  • Update contents of summary page (Oshino)

    • SummaryPage finalization for O4a

  • Script to generate segment files (Uchikata, Narikawa)
    • Segment information for frame availability (provided by DMG)

    • Development of code to check the frame availability of m31 data (Kawamoto)

    • The results of script (Kawamoto)

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20230517 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

      • Registration fee (Online without Presentation) is free for master or undergraduate students

    • KIW10 : 29–30 May 2023 @ National Tsing Hua University (NTHU) web

      • Registration deadline: May 22, 2023.

      • Oshino-san will make a status talk of DetChar : slide

    • Collect all information related to O4. wiki <-- Please updating as needed, then making changes to black text in the updated section.

      • DataQuality information

    • KAGRA's plan : May 17(Wed)~May 23 (Tue) calibration measurement and data taking for same configuration with observation period

    • moved from detchar slack to mattermost (DetChar / DetChar Data Quality / DetChar-Tools channels)

  • KAGRA commissioning reports (Yokozawa) Commissioning230517

  • Task during CAL/DET week

    • slide

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)

      • A brief summary of the investigation of Non-Gaussian data

    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related

    • OpLev glitch in TypeB/Bp suspensions

    • IPC glitch
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Script to generate segment files (Uchikata, Narikawa)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

• Minutes

  • KAGRA commissioning reports (Yokozawa) Commissioning230517

    • Moving lines in the silent run

  • Commissioning support
    • Tool to evaluate Gaussianity (Yamamura)

      • A brief summary of the investigation of Non-Gaussian data

      • update summary page for Gauch
    • IPC glitch

      • CPU load reduction of k1lsc

      • Guardian might be able to handle this issue.

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20230510 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

      • Registration fee (Online without Presentation) is free for master or undergraduate students

    • KIW10 : 29–30 May 2023 @ National Tsing Hua University (NTHU) web

      • Registration deadline: May 22, 2023. Deadline for presentation : 30 Apr 2023, 23:59

    • Collect all information related to O4. wiki <-- Please updating as needed, then making changes to black text in the updated section.

    • KAGRA's plan : May 17(Wed)~May 23 (Tue) calibration measurement and data taking for same configuration with observation period

    • moved from detchar slack to mattermost (DetChar / DetChar Data Quality / DetChar-Tools channels)

  • KAGRA commissioning reports (Yokozawa) Commissioning230510

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related

    • OpLev glitch in TypeB/Bp suspensions

    • IPC glitch
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Script to generate segment files (Uchikata, Narikawa)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

• Minutes

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20230503 (Wed.)

• cancel meeting

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20230426 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

      • Registration fee (Online without Presentation) is free for master or undergraduate students

    • KIW10 : 29–30 May 2023 @ National Tsing Hua University (NTHU) web

      • Registration deadline: May 22, 2023. Deadline for presentation : 30 Apr 2023, 23:59

    • Collect all information related to O4. wiki <-- Please updating as needed, then making changes to black text in the updated section.

    • Maintenance of main data storage server (m31 and system-B) : from 11:00 to 16:00 on Sat. April 22

    • Update of the public announcement (16 April) web

      • KAGRA's plan : April 26 (Wed) rehearsal of calibration measurement, May 17(Wed)~May 23 (Tue) calibration measurement and data taking for same configuration with observation period

  • KAGRA commissioning reports (Yokozawa) Commissioning230426

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related

    • OpLev glitch in TypeB/Bp suspensions

    • IPC glitch
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Script to generate segment files (Uchikata, Narikawa)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

• Minutes

  • KAGRA commissioning reports (Yokozawa) Commissioning230426

  • Commissioning support
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)

      • Hveto results during silent run 23/03/07 ~ 23/03/08

    • IPC glitch

      • https://klog.icrr.u-tokyo.ac.jp/osl/?r=24949

  • Update contents of summary page (Oshino)

    • Line glitch at 2023-04-21 13:12:00

    • Resubmit live process

    • Added channels to Omegascan parameter file

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20230419 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

      • Registration fee (Online without Presentation) is free for master or undergraduate students

    • KIW10 : 29–30 May 2023 @ National Tsing Hua University (NTHU) web

      • Registration deadline: May 22, 2023. Deadline for presentation : 30 Apr 2023, 23:59

    • Collect all information related to O4. wiki <-- Please updating as needed, then making changes to black text in the updated section.

    • Maintenance of main data storage server (m31 and system-B) : from 11:00 to 16:00 on Sat. April 22

    • Update of the public announcement (16 April) web

      • KAGRA's plan : April 26 (Wed) rehearsal of calibration measurement, May 17(Wed)~May 23 (Tue) calibration measurement and data taking for same configuration with observation period
  • Checklist for event validation (YamaT, Yuzurihara)

  • KAGRA commissioning reports (Yokozawa) Commissioning230419

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related

    • OpLev glitch in TypeB/Bp suspensions

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Script to generate segment files (Uchikata, Narikawa)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

• Minutes
  • Checklist for event validation (YamaT, Yuzurihara)

    • slide

    • Asking CBC chair about how many CBC events should be validated by KAGRA detchar members.

  • KAGRA commissioning reports (Yokozawa) Commissioning230419

    • Which peaks are the violin mode??

  • Commissioning support
    • Tool to evaluate Gaussianity (Yamamura)

      • presentation slide

      • Progress on our Gaussianity check tool (GauCh)

      • GUI tooling of the tool for checking Gaussianity

      • Gaussianity check of the strain data on 02/16

      • Comment to Morning silent run 230406

    • Pastavi update (Yuzurihara)

      • Pastavi update : Output the numpy binary files

    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
      • Hveto analysis was done at KISTI cluster

      • presentation slide

      • Comments on round winner channels
        • time window : LIGO uses 0.1 s window
        • most of them (No.2, 3, 4, 6) are related to CARM control signal
        • we should remove them from the channel list and iterate the analysis.
        • ASC-POP_FORWARD signal : input beam angular has glitch
        • why VIS-SR3_IM_DAMP_V_IN1_DQ was related to DARM?

      • which igwn environment was used? ==> python 3.6 environment

  • DQR update (Yuzurihara)
    • this week no review call.
  • Update contents of summary page (Oshino)

    • Fixed channel names on Omicron and Hveto parameter files

    • Duplication of the cache file

  • Script to generate segment files (Uchikata, Narikawa)

    • Modified make segment script

    • to validate the new segment xml file, Hveto (version 2) was used.

    • required to edit ini file, such as peak ==> peak_time

---

20230412 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

      • Registration fee (Online without Presentation) is free for master or undergraduate students

    • KIW10 : 29–30 May 2023 @ National Tsing Hua University (NTHU) web

    • Collect all information related to O4 wiki

  • Checklist for event validation (YamaT, Yuzurihara)

  • KAGRA commissioning reports (Yokozawa) Commissioning230412

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
      • Staying at KAGRA site this week.
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related

    • OpLev glitch in TypeB/Bp suspensions

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Script to generate segment files (Uchikata, Narikawa)
  • Operation of NoEMi

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

• Minutes
  • Checklist for event validation (YamaT, Yuzurihara)

    • slide

    • Asking CBC chair about how many CBC events should be validated by KAGRA detchar members.
  • Commissioning support
    • Tool to evaluate Gaussianity (Yamamura)
      • Staying at KAGRA site this week.

      • GUI tooling of the tool for checking Gaussianity

      • Gaussianity check of the strain data on 02/16

  • DQR update (Yuzurihara)

    • Review of DQR tool is on-going. review call wiki

  • Update contents of summary page (Oshino)

    • Results of PSL tapping test with Hveto and Omegascan

    • Update stran data on SummaryPage

    • Resubmit live process

  • Script to generate segment files (Uchikata, Narikawa)
    • One issue about round method for PEM_EARTHQUAKE was solved.

---

20230405 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

      • Registration fee (Online without Presentation) is free for master or undergraduate students

    • KIW10 : 29–30 May 2023 @ National Tsing Hua University (NTHU) web

    • Zoom meeting on O4 RRT: call for level-0 shift takers : deadline April 7 UTC 0800.

      • RRT demo slide

      • RRT presentation at plenary session slide

    • Collect all information related to O4 wiki

  • KAGRA commissioning reports (Yokozawa) Commissioning230329

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related

    • OpLev glitch in TypeB/Bp suspensions

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Script to generate segment files (Uchikata, Narikawa)
  • Operation of NoEMi

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

• Minutes
  • Commissioning support
    • Pastavi update (Yuzurihara)
      • Preparing the summary page to list up noise budget which were generated by commissioners
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
      • trying to solve the errr related to segment file
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related

      • Unsafe channel of Hveto

    • OpLev glitch in TypeB/Bp suspensions

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
    • Detchar cluster is constructed at KAGRA site
    • need to test each Detchar tool in conda env.
  • Update contents of summary page (Oshino)

    • Sometimes loading Hveto page was failed

    • Update rerun process for summary page

    • Modified make segment script

    • Restarting Fscan

  • Operation of NoEMi
    • Proposal to use NoEMi (line tracking tool developed by Virgo)
    • During O3 era, we attempted to install at Kamioka
    • Try to install NoEMi at m31 (at Kashiwa) this summer with developer's help

    • introduction slide

    • Q. what is difference between Fscan and NoEMi?
      • In NoEMi, there is database to list up line noise. That requires the human-input. No database on Fscan

---

20230329 (Wed.)

• Agenda
  • Announcement

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

      • Registration fee (Online without Presentation) is free for master or undergraduate students
    • Zoom meeting on O4 RRT: call for level-0 shift takers : March 30 18:30-20:00 JST (see [kagra 05680])

      • RRT demo slide

      • RRT presentation at plenary session slide

    • Collect all information related to O4 wiki

  • KAGRA commissioning reports (Yokozawa) Commissioning230329

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
    • Classification of glitch noise (Shikano, Oshino)
    • Hveto related

    • OpLev glitch in TypeB/Bp suspensions

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
• Minutes
  • Commissioning support
    • Pastavi update (Yuzurihara)

      • Prepared the manual, how to create noise budget by Pastavi manual

    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun)
      • Verification of channel list for Hveto
    • Classification of glitch noise (Shikano, Oshino)

      • Glitch Annotation Server Built

    • Hveto related

      • Checking Hveto result of this week

      • Hveto result on Mar 11th

      • Channel list of QPDs

      • Changed time window on Hveto

    • OpLev glitch in TypeB/Bp suspensions

      • OpLev glitches in the TypeB/Bp suspensions

  • DQR update (Yuzurihara)

    • Script was implemented to wait frame files merge request

    • Review for infra-tool and task is on-going.
    • Software to collect the DQR result from each site to CIT is still under development.
  • Update contents of summary page (Oshino)

    • SummaryPage update

    • Comment to SummaryPage trouble: process was stopped from 3/13 21:00 UTC

    • SummaryPage trouble: process was stopped from 3/13 21:00 UTC

    • SummaryPage trouble: process was stopped from 3/9 3:00 UTC

    • SummaryPage trouble: process was stopped from 3/9 1:00 UTC

    • SummaryPage trouble: process was stopped from 3/8 3:30 UTC

    • SummaryPage trouble: process was stopped from 3/7 18:00 UTC

  • Script to generate segment files (Uchikata, Narikawa)

    • Operation test to generate segment files by new script

---

20230322 (Wed.)

• cancel due to overlap with JPS meeting

---

20230315 (Wed.)

• We will skip the meeting due to LVK meeting

---

20230308 (Wed.)

• Agenda
  • Announcement

    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA web

    • JPS meeting : 22 to 25 March 2023 @ Online style web

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

  • KAGRA commissioning reports (Yokozawa) Commissioning230308

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
    • Hveto related
    • Proposal of Web App for KAGRA Data Diagnostic (Nakamura)
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
• Minutes

  • KAGRA commissioning reports (Yokozawa) Commissioning230308

    • Computation of expected improvement of inspiral range by reduction of line noise / bump

  • Commissioning support
    • Pastavi update (Yuzurihara)

      • Manual for beginner : how to create noise budget by Pastavi

      • Comment to Noise budget mode is available on Pastavi

      • Comment to Noise budget mode is available on Pastavi

      • Comment to Noise budget mode is available on Pastavi

      • Pastavi update: Updated the table for xml files

    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
      • Plan to apply Hveto to silent run data
    • Hveto related

      • Result of Hveto

      • Checking channel list of Omicron and Hveto

      • where can we find the latest channel list? ==> channel list

      • channel names are different from O3GK. PEM sensors were added. The list is still under the update.
    • Proposal of Web App for KAGRA Data Diagnostic (Nakamura)
  • Update contents of summary page (Oshino)

    • SummaryPage trouble: process was stopped from 3/5 11:45 UTC

    • Update Online DQ vector plot on SummaryPage

      • One bit was added in DQ flag web

      • we need to update wiki page

    • SummaryPage trouble: process was stopped from 3/1 21:30 UTC

    • SummaryPage trouble: process was stopped from 2/27 2:00 UTC

    • Modified guadian state on SummaryPage

  • Combine DET computer resources into one DET cluster at Kamioka site

    • New DET cluster

    • Installed new DET cluster on the Kamioka site. HTCondor is available.
  • Script to generate segment files (Uchikata, Narikawa)

    • Upload modified code to the github

---

20230301 (Wed.)

• we will skip the meeting

---

20230222 (Wed.)

• Agenda
  • Announcement

    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA web

    • JPS meeting : 22 to 25 March 2023 @ Online style web

    • ICRC2023 (International Cosmic Ray Conference) : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

      • Yuzurihara will present the status of KAGRA detchar abstract

    • KAGRA Authorship 2023 Research effort submission
      • see [kagra 05598]
      • deadline : February 22 (Wed.) 17:00 (JST)

    • Release of LIGO's auxiliary data from O3 is now public web

  • KAGRA commissioning reports (Yokozawa) Commissioning230222

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
    • Proposal of Web App for KAGRA Data Diagnostic (Nakamura)
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
• Minutes
  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)

      • poster for ICRR internal conference

      • Question : do you include the effect of multiple comparison? ==> not yet

    • Pastavi update (Yuzurihara)

      • Pastavi update: Updated the table for xml files

      • Noise budget mode is available on Pastavi

    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)

      • Can we apply the hveto to silent run data on m31? ==> yes

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
    • New served for k1det1 was installed. It is working for running Bruco.

    • The latest result of Bruco is available web

  • DQR update (Yuzurihara)
    • The review is on-going. The package to transfer the DQR result is available, we need to test it at KAGRA site.
  • Update contents of summary page (Oshino)

    • SummaryPage trouble: rerun process was stopped

    • Modified plot range of trans IR QPD on SummaryPage

    • SummaryPage trouble: process was stopped from 2/20 19:00 UTC

    • Modified guadian state on SummaryPage

    • SummaryPage trouble: process was stopped from 2/17 1:30 UTC

  • Script to generate segment files (Uchikata, Narikawa)

    • Changes of setting of crontab at M31

    • slide (Uchikata)

    • operation test on m31 was done. From comparison, confirmed the script is running well. Next step is to upload the script to github.
  • others
    • we will skip meeting next week

---

20230215 (Wed.)

• Agenda
  • Announcement

    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA web

    • JPS meeting : 22 to 25 March 2023 @ Online style web

    • ICRC2023 : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

    • Collecting budget plan for FY2023.

      • mainly for maintenance and repair, slight R&D/preparation for upgrade for O5 and so on.

      • We asked the budget plan for purchase of UPSs and new servers
    • KAGRA Authorship 2023 Research effort submission
      • see [kagra 05598]
      • deadline : February 20 (Mon) 17:00 (JST)

  • KAGRA commissioning reports (Yokozawa) Commissioning230215

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
    • Proposal of Web App for KAGRA Data Diagnostic (Nakamura)
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
• Minutes
  • Announcement
    • KAGRA Authorship 2023 Research effort submission
      • see [kagra 05598]
      • deadline : February 20 (Mon) 17:00 (JST)
  • Commissioning support
    • Pastavi update (Yuzurihara)

      • Noise budget mode is available on Pastavi

    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
      • Favor to analyze the recent KAGRA data (silent run). But, there is an issue around the data transfer. We will talk after the meeting.
    • Proposal of Web App for KAGRA Data Diagnostic (Nakamura)

      • slide

      • Questions
        • what is the difference from summary page? benefit?
        • can we use jupyter hub?
        • how do you manage authentification?
  • Update contents of summary page (Oshino)

    • Restart live guardian process

    • Update rerun process for summary page

    • Comment to Omicron process has been stopped

    • Modified SummaryPage configuration file

    • Omicron process has been stopped

    • Add wind speed and direction plots to SummaryPage

    • Modified LSC_LOCK guardian plot on SummaryPage

    • Modified VIS guardian plot

  • Combine DET computer resources into one DET cluster at Kamioka site
    • asking how to construct the condor cluster to NAOJ engineer
  • Script to generate segment files (Uchikata, Narikawa)
    • test on m31 is on-going. In several day, we will compare the results.
    • (YamaT) no reason to select 15 min. In future, frequency might be reduced.

---

20230208 (Wed.)

• Agenda
  • Announcement

    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA web

    • JPS meeting : 22 to 25 March 2023 @ Online style web

    • ICRC2023 : 2023/07/26 ~ 2023/08/03 @ Nagoya university, Japan. Registration deadline : 2023/02/20 web

    • New main data storage server @ Kashiwa (called system-B) manual

      • Mail from Kanda-san : system-A will work about one more year.
    • Collecting budget plan for FY2023.

      • mainly for maintenance and repair, slight R&D/preparation for upgrade for O5 and so on. Is there any request?

  • KAGRA commissioning reports (Yokozawa) Commissioning230208

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
• Minutes
  • Commissioning support
    • New server arrived at KAGRA site. This will be server dedicated for Bruco (k1det2)
    • Investigation of silent run

      • Modification of LSC LOCK Guardian : shorten the iteration to find IR resonance

    • Tool to evaluate Gaussianity (Yamamura)
      • Preparation of the poster for ICRR internal conference.
  • Update contents of summary page (Oshino)

    • Add high pass filter to the strain channel on SummaryPage

    • Modified LSC_LOCK guardian on SummaryPage

  • Script to generate segment files (Uchikata, Narikawa)
    • Test by crontab is on-going at m31. Checking the consistency between summary page and the generated segment files.

---

20230201 (Wed.)

• Agenda
  • Announcement

    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA web

    • JPS meeting : 22 to 25 March 2023 @ Online style web

    • New main data storage server @ Kashiwa (called system-B) manual

      • Yuzurihara will copy the files and directories on detchar account to system-B
      • Mail from Kanda-san : system-A will work about one more year.

    • LIGO-Virgo-KAGRA Town Hall Telecon, Thursday, 26 Jan 2023 wiki

  • KAGRA commissioning reports (Yokozawa) Commissioning230201

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
• Minutes
  • Commissioning support
    • Investigation of silent run

      • Summary of silent run during 2022/12/28~2023/01/03

      • lock recover time : O3GK 12 min ==> 2023/1 3.5 min (3.4 times faster)

    • Pastavi update (Yuzurihara)

      • Pastavi update : added favorite comb of channels

      • Noise budget mode is available on Pastavi

    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

    • Production of cache(ffl) file for second/minute trend data

  • Script to generate segment files (Uchikata, Narikawa)
    • test by crontab is on-going. Some issues remain.

---

20230125 (Wed.)

• Agenda
  • Announcement

    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA web

    • JPS meeting : 22 to 25 March 2023 @ Online style web

    • New main data storage server @ Kashiwa (called system-B) manual

      • Solved issue to login detchar account
      • We need to move the working place from m31 to system-B. who copy the files?

  • KAGRA commissioning reports (Yokozawa) Commissioning230125

  • Commissioning support
    • Investigation of silent run
    • Tool to evaluate Gaussianity (Yamamura)
    • Pastavi update (Yuzurihara)
    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
• Minutes
  • Commissioning support
    • Investigation of silent run

      • Summary of silent run during 2022/12/28~2023/01/03

      • slide (Yamamura)

      • Glitch check for the IMC REFL accelerometer at the IMC lock loss

    • Tool to evaluate Gaussianity (Yamamura)

      • Development of a tool to evaluate

    • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
      • Now analyzing the O3GK data to tune the parameters. After that, can analyze the current KAGRA data.
  • Update contents of summary page (Oshino)

    • Restart live Omicron process

    • Modified plotting range

  • Script to generate segment files (Uchikata, Narikawa)
    • Implementations almost finished. Operation test by crontab is on-going.

---

20230118 (Wed.)

• Agenda
  • Announcement

    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA web

    • JPS meeting : 22 to 25 March 2023 @ Online style web

  • KAGRA commissioning reports (Yokozawa) Commissioning230118

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Pastavi update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
  • Investigation of silent run (Yamamura, Yuzurihara)
• Minutes

  • KAGRA commissioning reports (Yokozawa) Commissioning230118

    • Repair for OMC is planed in the end of Jan.
  • Update contents of summary page (Oshino)

    • Remove several channels from SummaryPage

    • SummaryPage trouble: process was stopped from 1/12 12:00 UTC

    • Add voltmeter page to SummaryPage

    • Modified plots of temperature sensor channels

  • Script to generate segment files (Uchikata, Narikawa)
    • Almost finished update of script.
    • There two kinds of scripts. In future, they will be merged.
  • Investigation of silent run (Yamamura, Yuzurihara)

    • Summary of silent run during 2022/12/28~2023/01/03

    • script is re-usable for next silent run / weekend run. upload on gitlab.

    • Presentation slide (Yamamura)

---

20230111 (Wed.)

• Agenda
  • Announcement
    • LVK meeting : 13 to 16 March 2023 @ Northwestern University, IL, USA

    • JPS meeting : 22 to 25 March 2023 @ Online style web

  • KAGRA commissioning reports (Yokozawa) Commissioning230111

  • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
  • DQR update (Yuzurihara)
  • Pastavi update (Yuzurihara)
  • Update contents of summary page (Oshino)
  • Combine DET computer resources into one DET cluster at Kamioka site
  • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)

  • Update of veto definition / environment on m31 (Uchikata, Narikawa)

  • Script to generate segment files (Uchikata, Narikawa)
  • Investigation of silent run (Yamamura, Yuzurihara)
• Minutes
  • KAGRA commissioning reports (Yokozawa)
    • this week, PRFPMI trial is on-going.
    • During end-year and new-year, we had silent run. The summarization is on-going.
  • Pastavi update (Yuzurihara)

    • Noise budget mode is available on Pastavi

  • Update contents of summary page (Oshino)

    • SummaryPage trouble: process was stopped from 12/5 16:00 UTC

    • SummaryPage trouble: process was stopped from 1/5 20:00 UTC

    • Bug fix of Hveto script

    • Modify All guardian node page

  • Noise hunting by machine learning and Hveto (Kyujin/Kihyun)
    • analysis with 500~1000 images of spectrogram is on-going
    • unsupervised analysis didn't work well
    • LIGO's data set is always supervised one
  • Script to generate segment files (Uchikata, Narikawa)

    • error at m31 was fixed by using StateTimeSeries

    • Improvement of usability
      • added option to select the working machine
      • added option to select output directory
  • Investigation of silent run (Yamamura, Yuzurihara)

    • Summary of silent run during 2022/12/28~2023/01/03

    • script is re-usable for next silent run / weekend run. upload on gitlab.

---

Past meeting

• 2022

• 2021

• 2020

• 2019