Meetings

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

Agenda & Minutes

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

    • 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) Commissioning230208

  • Commissioning support
    • Investigation of silent run

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

    • 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)

    • Add high pass filter to the strain channel on SummaryPage

  • 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

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