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     * '''ER16''': It will nominally start on '''20 Mar 2024''', and last for 2 weeks.      * '''ER16''': It will nominally start at 1500 UTC (2400 JST) on '''20 Mar 2024''', and last for 2 weeks.

Meetings

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


Agenda & Minutes


20240228 (Wed.)

  • canceled


20240221 (Wed.)

  • Agenda
    • Announcement
      • KAGRA international workshop (KIW11)@Taiwan: 2023/04/16-17 web

      • Gravitaional wave open data workshop (GWODW7)@Taiwan: 2023/04/18-20 web

      • O4a/preO4b(not call it as postO4a)/ER16/O4b schedule:
      • LVK meeting on March 11-14 at Louisiana State University web

        • Early Registration is open until February 1
        • There is no fee for online participants
      • Update of member list for DetChar mailing list

      • 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)
      • Online data quality state vector (YamaT)
      • Tool to evaluate Gaussianity (Yamamura)
      • Scattered light noise (Yamamura)
      • Pastavi update (Yuzurihara)
      • Noise hunting by machine learning and Hveto (Kyujin, Kihyun, Syifa)
      • Classification of glitch noise (Shikano, Oshino)
      • IPC glitch
      • line noise study (Samurai)
    • 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
    • Related to segment files (Uchikata, Narikawa)
    • provide the dedicated summary page for O4a of KAGRA (Uchikata and Narikawa) O4a (LV)

    • pyCBC trigger list for O4a data (Narikawa)
  • Minutes


20240214 (Wed.)

  • Agenda
    • Announcement
      • KAGRA international workshop (KIW11)@Taiwan: 2023/04/16-17 web

      • Gravitaional wave open data workshop (GWODW7)@Taiwan: 2023/04/18-20 web

      • O4a/preO4b(not call it as postO4a)/ER16/O4b schedule:
      • White paper and task list for 2024 git repo

      • LVK meeting on March 11-14 at Louisiana State University web

        • Early Registration is open until February 1
        • There is no fee for online participants
      • Update of member list for DetChar mailing list

      • KAGRA site report (Yuzurihara)
    • Commissioning support + tasks related to O4a
    • 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
    • Related to segment files (Uchikata, Narikawa)
    • provide the dedicated summary page for O4a of KAGRA (Uchikata and Narikawa) O4a (LV)

    • pyCBC trigger list for O4a data (Narikawa)
  • Minutes
    • Online data quality state vector (YamaT)
    • Scattered light noise (Yamamura)
      • Investigation of scattered light noise in O4a

      • (oshino) why the double bounce occurred?
      • (yamaT) it's better to check both the feedback and error signal (OUT_DQ and IN1_DQ).
      • (oshino) PD signal might be helpful in the investigation. In POP_FORWARD, the scattered light was seen in the past.
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun, Syifa)
      • KAGRA O4a hveto results (0524 ~ 0606) KAGRA O4a hveto results (0607 ~ 0619)

      • hveto shows the many triggers on the time the scattered light noise appeared
      • (yamaT) IPC glitch was taken care in this analysis? It's better to use SCIENCE segment + IPC glitch segment.
      • It is interesting to compare the glitch rate and the analysis result with and without IPC glitch segments.
      • Yuzurihara shared that segment with Kihyun.
    • provide the dedicated summary page for O4a of KAGRA (Uchikata and Narikawa) O4a (LV)

    • pyCBC trigger list for O4a data (Narikawa)
      • (yamaT) can we include the trigger information by pycbc, in the summary page?


20240207 (Wed.)

  • Agenda
    • Announcement
      • KAGRA international workshop (KIW11)@Taiwan: 2023/04/16-17 web

      • Gravitaional wave open data workshop (GWODW7)@Taiwan: 2023/04/18-20 web

      • O4a/preO4b(not call it as postO4a)/ER16/O4b schedule:
      • White paper and task list for 2024 git repo

      • LVK meeting on March 11-14 at Louisiana State University web

        • Early Registration is open until February 1
        • There is no fee for online participants
      • Update of member list for DetChar mailing list

      • 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)
      • Online data quality state vector (YamaT)
      • Tool to evaluate Gaussianity (Yamamura)
      • Scattered light noise (Yamamura)
      • Pastavi update (Yuzurihara)
      • Noise hunting by machine learning and Hveto (Kyujin, Kihyun, Syifa)
      • Classification of glitch noise (Shikano, Oshino)
      • IPC glitch
      • line noise study (Samurai)
    • 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
    • Related to segment files (Uchikata, Narikawa)
    • Provide the dedicated summary page for O4a of KAGRA (Uchikata) O4a (LV)

  • Minutes
    • Online data quality state vector (YamaT)
      • model update of k1detdq0 This is bug fix of production of online data quality state vector related to DAC saturation.

      • The hardware test will be done this week an next week.
    • Tool to evaluate Gaussianity (Yamamura)
    • Classification of glitch noise (Shikano, Oshino)
      • They restarted this project. The report will be done soon.
    • Provide the dedicated summary page for O4a of KAGRA (Uchikata) O4a (LV)

      • They tested the conda environment and configuration files for the production of the summary page. Except for the specific short time, they can generated the O4a summary page including duty cycle and inspiral range.
    • Generation of trigger list by pycbc (Narikawa)
      • Code test is ongoing by using the short 4096s data of O4a. The timeseries of chi square looks strange. They plan to apply the high pass filter, instead of window function.
      • (yamat) How do you decide clustering length?
      • (Narikawa) By software injection, we can evaluate how the SNR spreads and determine the clustering length.


20240131 (Wed.)

  • Agenda
    • Announcement
      • KAGRA international workshop (KIW11)@Taiwan: 2023/04/16-17 web

      • Gravitaional wave open data workshop (GWODW7)@Taiwan: 2023/04/18-20 web

      • O4a/preO4b(not call it as postO4a)/ER16/O4b schedule:
      • White paper and task list for 2024 git repo

      • LVK meeting on March 11-14 at Louisiana State University web

        • Early Registration is open until February 1
        • There is no fee for online participants
      • Update of member list for DetChar mailing list

      • LVK MoA survey summary LIGO DCC

      • 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)
      • Classification of glitch noise (Shikano, Oshino)
      • IPC glitch
      • line noise study (Samurai)
    • 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
    • Related to segment files (Uchikata, Narikawa)
    • provide the dedicated summary page for O4a of KAGRA (Uchikata and Narikawa) O4a (LV)

  • Minutes
    • Noise hunting by machine learning and Hveto (Kyujin, Kihyun, Syifa)
    • line noise study (Samurai)
      • slide

      • Is it possible to set the initial parameter in advance, such as prominence and height?
      • In future, it is better to extend the fft length to be longer for fine frequency resolution.
    • Update contents of summary page (Oshino)
    • Related to segment files (Uchikata, Narikawa)
    • provide the dedicated summary page for O4a of KAGRA (Uchikata and Narikawa) O4a (LV)

      • The attempt to generate summary page is on system-B. For reading data, NDS2 server is helpful.


20240124 (Wed.)

  • Agenda
    • Announcement
      • KAGRA international workshop (KIW11)@Taiwan: 2023/04/16-17
      • Gravitaional wave open data workshop (GWODW7)@Taiwan: 2023/04/18-20 web

      • 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) 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.internal short announcements (reminders), public announcements

      • Information of O4a wiki page

      • White paper and task list for 2024 git repo

      • LVK meeting on March 11-14 at Louisiana State University
      • Update of member list for DetChar mailing list

      • 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)
      • Classification of glitch noise (Shikano, Oshino)
      • IPC glitch
      • line noise study (Samurai)
        • Peak identifications 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? O3a (LV)

  • Minutes


20240117 (Wed.)

  • Agenda
    • Announcement
      • KAGRA international workshop (KIW11)@Taiwan: 2023/04/16-17
      • Gravitaional wave open data workshop (GWODW7)@Taiwan: 2023/04/18-20 web

      • 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) 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.internal short announcements (reminders), public announcements

      • Information of O4a wiki page

      • White paper and task list for 2024 git repo

      • LVK meeting on March 11-14 at Louisiana State University
      • 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)
      • Classification of glitch noise (Shikano, Oshino)
      • IPC glitch
      • line noise study (Samurai)
        • Peak identifications 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? O3a (LV)

  • Minutes


Past meeting

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