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  * O3GK paper
  * O4 commissioning & preparation
    * MC circuit noise hunting
    * sound correlation
    * l
valert test
* DET cluster
  * White paper 2021
    * [[https://git.ligo.org/operations/operations-white-paper-2021|2021]]
    * [[https://git.ligo.org/operations/operations-white-paper-2020|2020]]
  * O4 readiness
  * Agenda
  
* O3GK paper
    * O4 commissioning & preparation
      * MC circuit noise hunting
        * Current spectrum is too clean 1/f noise.
          * Frequency noise should shows 1/f spectrum.
          * But we ha
ven't checked it's a real frequency noise (circuit noise etc.).
          * Nakano-kun said current spectrum is consistent with past measurements.
      * sound correlation
        * Investigating sound correlation with three microphones.
      * lvalert test
        * no report
  
* DET cluster
        *
      * SummaryPages
        * added for some IMC signals and it work well.
    
* White paper 2021
   * [[https://git.ligo.org/operations/operations-white-paper-2021|2021]]
      * [[https://git.ligo.org/operations/operations-white-paper-2020|2020]]
    * O4 readiness
  *

Meetings


Agenda & Minutes

20210524 (Mon.)

  • Agenda
    • O3GK paper
    • O4 commissioning & preparation

      • MC circuit noise hunting
        • Current spectrum is too clean 1/f noise.
          • Frequency noise should shows 1/f spectrum.
          • But we haven't checked it's a real frequency noise (circuit noise etc.).
          • Nakano-kun said current spectrum is consistent with past measurements.
      • sound correlation
        • Investigating sound correlation with three microphones.
      • lvalert test
        • no report
      • DET cluster
      • SummaryPages

        • added for some IMC signals and it work well.
    • White paper 2021
    • O4 readiness

20210517 (Mon.)

  • Agenda
    • KAGRA O4 readiness
    • LVK white paper 2021
    • O3GK paper
    • IMC commissioning
  • Minutes
    • KAGRA O4 readiness
      • #15 [Cont'd] State Vector Definition
        • Responsible: T. Yamamoto ->

      • #16 [Cont'd] DQSEGDB capability
        • Responsible: K. Kokeyama ->

      • #17 [Cont'd ] Status web pages (summary pages, gw status, gw istat)

        • Responsible: S. Oshino ->

      • #18 [Cont'd] DQ event validation
        • Responsible: C. Kozakai ->

      • #19 [Cont'd] GraceDB
        • Responsible: H. Tagoshi ->

      • #20 [New] Segment production (merged with #16?)
        • Responsible:
      • #21 [New] Data Category (at least CAT1) production
        • Responsible:
      • #22 [New] RRT contribution
    • LVK white paper
      • Responsible:
      • What TY thought
        • All activities which are submitted as 2021 DET effort should be described on this documents.
        • It will be based on white paper 2020 and KAGRA O4 readiness.
        • Should clarify who will do each item (though personal name itself is not described on this documents).
        • Should show the rough timeline for R&D tasks.

    • O3GK paper
      • We need to continue to discuss with GEO people about GEO data analysis.
    • IMC Commissioning
      • Current IMC control signals on DGS are contaminated by circuit noise.
      • Important thing is that contamination is occurred only on DGS signals or also on real analog signals
      • Important channels
        • K1:IMC-SERVO_{MIXER,FAST,SLOW}_DAQ_OUT_DQ
        • K1:IMC-SERVO_NPRO_TEMP_BIAS_OUT_DQ
        • => These channels will be added to SummaryPages

    • O4 preparation
      • CAGMon development
        • no report
      • lvalert test
        • no report
      • DET cluster
        • no report

20210510 (Mon.)

  • Agenda
    • KIW
    • O3GK paper
    • IMC Commissioning
    • O4 preparation
  • Minutes
    • KIW
      - Status of KAGRA DET (20 min) => T. Yamamoto
      - Status of LIGO Detchar (20 min)
      - Status of Virgo Detchar (20 min)
      - Contributed Talk 1 - one slot from KAGRA (15 min) => H. Yuzurihara
      - Contributed Talk 2 - CAGMon tools (15 min)
      - Contributed Talk 3 - KISTI's data transfer and computing (15 min)
    • O3GK paper
      • hveto process for GEO600 was done.
    • IMC Commissioning
      • [PMC] Acoustic coherence (20-200Hz)
      • [IMC] Oscillation? (13-15MHz)
    • O4 preparation
      • SummaryPages

        • no report
      • lvalert
        • no report
      • DET cluster
        • no report

20210426 (Mon.)

  • Agenda
    • O3GK analysis
    • O4 preparation
    • IMC Commissioning
  • Minutes
    • O3GK analysis
      • Omicron analysis of GEO was finished.
      • Checking results is ongoing.
      • We need to convert segment information on DQSEGDB to xml format.
      • After checking omicron results, hveto analysis can be started.
    • CAG Mon development
      • CAG Mon was able to detect some correlation in O3GK data
      • Prioritize is not done yet.
        • prioritize can be decided by correlation coefficient value or total duration of correlation appearing
      • We need more time to develop CAGMon (before we move to review process.).
    • IMC Commissioning
      • Microphone self noise is evaluating now.
      • They will be installed in PSL room
    • Paper writing person(s) from DET
      • TY takes over from Kozakai-san.
    • summary of lvalert test for LVK DET telecon


20210419 (Mon.)

  • Agenda
    • O3GK analysis
    • O4 preparation (LV alert, SummaryPages, CAGMon)

    • PMC/IMC noise hunting
  • Minutes
    • O3GK analysis
      • GEO data analysis is started.
      • Channel list is prepared by GEO people.
    • PMC/IMC noise hunting
      • Sound noise
        • Frequency noise has coherence with microphone signal.
        • Sound noise affected to DARM sensitivity during O3GK.
        • Noise source and injection injection route should be investigated.
      • Electrical noise(?)
        • Accelerometer channel has coherence with frequency noise when PEM sensor turned OFF.
        • Circuit noise level is small, but some electrical coherence may exist.

20210408 (Thu.)

  • Agenda
  • Minutes
    • O3GK analysis
      • hveto re-analysis for a part of data was done.
        • round winner is same
        • significant is slightly difference, (using same conf. triggers, version, etc)
        • Next step is to check consistency of veto segment
      • GEO data
        • Analysis itself will be performed by KAGRA people
        • Understanding results will be performed by GEO (+KAGRA) people


20210401 (Thu.)

  • Agenda
  • Minutes
    • Announcement
      • New slot of DET meeting.
        • => Pending because TY cannot know free time slot yet. (7 doodle poll is running...).

      • hveto
        • Omicron test analysis is successful.
        • hveto doesn't run on m31 yet.
        • We need to KISTI environment.
      • lvalert
        • Waiting response from LV people.
        • We need realistic json format of GW alert.
        • Only for the purpose of launching pipelines, dummy format is also used.
      • SummaryPages

        • The 1st version of VIS tab is already available (Only Type-A and guardians).
        • Importing PSL tab from LIGO is already done.
        • But there is many difference of channel name convention.


20210325 (Thu.)

  • Agenda
    • Progress of hveto analysis
    • GEO data analysis
    • SummaryPage construction

    • lvalert test
    • PMC/IMC commissioning
    • Meeting time in the next FY
  • Minutes
    • Progress of hveto analysis
      • Consistency check still remains and it is solved yet.
    • GEO data analysis
      • Basic takeover is finished.
      • Uchikata-san and Narikawa-san can start to use Omicron and hveto.
      • But some error occurs on hveto@m31.
      • We should fixed environmental problem.
    • SummaryPage construction

      • The 1st version is already constructed on test directory.
      • We can apply it for product environment because current SummaryPage is not valid.

    • lvalert test
      • lvalert itself works well.
      • Next step is receiving alert.
      • We need to ask LIGO people about alert format etc.
    • PMC/IMC commissioning
      • Due to a lot of troubles, we haven't achieved IMC locked yet.
      • We may start some kind of commissioning from Mid or Late of April.
    • Meeting time in the next FY
      • TY will circulate doodle poll.

20210317 (Thu.)

  • O3GK paper
    • hveto cross-check
      • Checking Omicron parameter remains.
      • Required re-run for whole two weeks.
    • veto segment production
      • Merging short segments is not required.
    • GEO data analysis
      • It can be done by someone form Tagoshi-san's group.
  • O4 preparation
    • Kamioka cluster
      • It's pending due to the recovery work of power outage.
    • Takeover about Omicron, hveto, GlitchPlot

      • Takeover itself is done.
      • TY is finding candidate person of each pipelines toward O4.
    • Omega-scan test
      • Installing on Kashiwa
    • lvalert test
      • It's works well on k1det1
    • SummaryPage update

      • The 1st version of VIS page is constructed.
      • It's being checked by Miyo-kun.
    • IMC commissioning
      • It is not locked yet because of some troubles.

20210225 (Thu.)

  • Agenda
    • Progress of O3GK paper
    • O4 preparation
  • Minutes
    • Progress of O3GK paper
      • Chihiro re-analysis with proper science segment for omicron triggers.
      • A part of Kihyun's analysis is done.
      • Cross-check can be done. But not start yet.
    • DetChar cluster in Kamioka

    • Omega-scan test
      • Installation for Kashiwa cluster was done.
      • Error is occurred on gwdatafind.
    • SummaryPages

    • LVAlert


20210218 (Thu.)

  • Agenda
    • Progress of O3GK paper
    • O3 data replay
    • O4 preparation
  • Minutes
    • Progress of O3GK paper
      • hveto conf is same
      • segment is used as latest same science segments
      • definition of cutting end of segments is difference.
      • Channel list is used as on github's one.
      • Next step -> unifying cutting definition.

        • Kihyun will re-run omicron with new segment cutting definition
      • We need to merge veto segment from a lot of short ones to continuous one.
    • O3 data replay
      • Main purpose of O3 data replay is performing end-2-end test of low-latency pipelines (CAL, DET, DAS, etc).
      • LV will use real O3 data.
      • KAGRA provides simulated data (~80Mpc for BNS) because of too poor sensitivity of O3GK data.
      • We may need to inject GWs on software with consistency with LV's real events.
      • Frame work of software injection is already available.
    • SummaryPage

      • Updating VIS page.
      • It will be closed to LIGO's one.
    • LVAlert
      • k1det1 can be used for test.
      • Need personal account because we use personal DCC account for accessing GraceDB.
        • Ask LV people how to get common account on next LVK DET meeting.


20210204 (Thu.)

  • Agenda
    • Progress of O3GK paper
    • O3 data replay
    • O4 requirement
  • Minutes
    • Progress of O3GK paper
      • Omicron trigger transfer: Kamioka -> KISTI, it is postponed.

        • Young-Min asked KISTI administrator.
      • GW-search triggers have not been served yet.
    • O3 data replay
      • K1:OPS-SIM_GAUSS1_IN1 (simulated error signal)
      • K1:OPS-SIM_GAUSS1_OUT (simulated h(t) )
        • gaussian noise as floor level
        • Some spectral lines (cal lines, violin mode, power lines)
        • Simulated glitches.
      • K1:OPS-SIM_GAUSS3_OUT (simulated auxiliary channel)
    • O4 requirement
      • DQ state vector (Yamamoto)
        • Providing on real-time model.
      • Data Quality Report (Yuzurihara)
        • First step is to use lvalert in order to receive GW alert from GraceDB.
      • Transient Event validation (Kozakai)
        • Basic idea is omicron+hveto (same as O3GK)
        • Takeover should be done from Kozakai-san.
      • Category veto (Yamamoto)
        • At least CAT1 should be provided.
        • We need to convert to veto-definer file format.
      • Spectral lines investigation (Yokozawa)
        • Listing of VIS-derived peak frequencies.


20210128 (Thu.)

  • Agenda
    • Report from Burst search
    • Binary range evaluation with C20 offline h(t)
    • Progress of O3GK paper
  • Minutes
    • Report from Burst search
    • Binary range evaluation with C20 offline h(t)
      • slide

      • Multi-taper and Welch show similar results
      • Bayesline result is slightly different from results by other two methods.
      • Estimated values are enough for O3GK (search) paper.
      • LVK review of this work is necessary for publishing results.
    • Progress of O3GK paper

20210121 (Thu.)

  • Agenda
    • Announcement
      • LVK DetChar call will be held (Jan. 25 19:00 JST, KST)

    • Progress of O3GK paper
    • CAGMon results
    • O3 Data replay
  • Minutes
    • Progress of O3GK paper
      • Some difference between Kihyun's and Chihiro's results.
      • hveto setting should be tuned on conf file and re-run again.
      • GW search results will be provided 1-2 months later (?).
    • CAGMon results
    • O3 data replay
      • LV requested the simulated data instead of O3GK data as KAGRA's data.
      • Auxiliary channels which has realistic coherence, coincidence etc are not available.
      • All multi-channel analyses cannot work well in such situation.
      • We need more discussion how do we join O3 data replay.

20210107 (Thu.)

  • Agenda
    • Progress of O3GK analysis
    • O4 preparation
  • Minutes
    • Progress of O3GK analysis
      • Analysis itself was finished.
      • Results by Chihiro and Kihyun are now comparing.
        • => Some conf. is still difference.

      • At least after finishing paper work, omicron triggers should be shared on Kashiwa cluster for remote site people.
    • O4 preparation
      • Model update will be finished soon.
        • => After model update, suspension commissioning will be started.

      • SummaryPages seems to be stopped.

        • => Because of the channel name update by VIS model changes.

        • => Current situation of real-time model is slightly complicated. ITMY: Old model, others: new model etc.

        • => After finishing CRY measurements, all suspension models are unified.

Past meeting

KAGRA/Subgroups/DET/Meeting (last edited 2024-03-27 11:26:27 by TakahiroYamamoto)