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  * Meeting time: 14:00-15:00 JST/KST on every Thursday   * Meeting time: 13:00-13:30 JST/KST on every Monday
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=== 20211108 (Mon.) ===
  * Agenda
    * O3GK Glitch investigation
    * Segment information for open data
    * Progress of DQR

-----
=== 20220411 (Mon.) ===
 * Agenda
   * Announcement
    * Workshop 2022/04/15 [[https://indico.in2p3.fr/event/26414/program|web page]]
     * DetChar talk is planed by Yokozawa. When he circulates slide, put comments on slide.
   * Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012]
    * call for volunteers from remote site, to test hveto and FScan. Please let us (Yuzuriahra or YamaT) know.
   * Exchange of opinions between DET members(YamaT, Sawada(OPS), Yuzurihara) and DMG members(Kanda, Oohara)
    * related to conda environment and DQR tasks
    * in Kashiwa server and Kamioka computers, we will be able to read data by using nds2 or `datafind`.
   * DQR update (Yuzurihara)
   * Update contents of summary page? (Oshino)
   * Combine DET computer resources into one DET cluster at Kamioka site
    * (Oshino) explain idea, goal, and timeline
   * Report of new tool development? (Darkhan)

-----
=== 20220404 (Mon.) ===
  * Agenda
    * Announcement
     * DQR design document, put comments on [[https://git.ligo.org/detchar/o4-data-quality-report-design-document/-/issues?label_name%5B%5D=Second+circulation|git issue]]
     * Workshop 2022/04/15
      * [[https://indico.in2p3.fr/event/26414/program|Workshop on the development of innovative tools for new collaborations within gravitational wave detection experiments]]
     * KAGRA's authorship submission. For details, see [kagra 05009]. Deadline April 8 17:00 JST
    * Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012]
    * DQR update
    * Update of summary page
    * Trouble of Omicron trigger generation
    * 120Hz glitches investigation during O3GK
  * Minutes
    * Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012]
      * Installation of IGWN was done on k1detfs.
        * Too slow HDD response? (~150KB/s via NFS)
      * Works well
        * SummaryPages as GPS-select mode
          * ini-file grammar is slightly changed from the old version.
        * Omicron
          * No special hack
        * Omega-scan
          * needs temporal code hack
        * Bruco
          * needs preparation for reading kagra data (kagradata.py)
          * No {{{--include}}} option in original one.
      * Not yet
        * SummaryPages as Daily mode (This will be done by Kamioka people)
        * hveto
        * FScan
          * Not included in IGWN environment?
      * Problem
        * No global NDS2, DataFind servers or equivalent way.
          * SSH port forwarding is not enough because port number is different depending on person.
          * So I cannot do the code hack on IGWN software in the system region.
        * KAGRA env may not be able to be included in IGWN until O4.
          * If so, we shouldn't use IGWN in officially for O4.
     * (Lupin) igwn-py38? or py39?
     * YamaT asked status of FScan
     * In future, we need to prepare similar environment on Kashiwa cluster. The environment is not completely same as Kamioka computers.
     * We need volunteers from remote site, to test hveto and FScan. Please let us (Yuzuriahra or YamaT) know.
    * DQR update (Yuzurihara)
     * Operation test for new version of Task Manager is on-going on k1det1.
     * I found that code of stationary task uses `datafind` to read gwf data, which we don't have.
     * I need to consider how to read data for DQR tasks.
      * (Darkhan) Is there any way to get the latest list of channels?
      * (Yuzurihara) If you can specify the name of frame data, there is a function on gwpy.
    * Update of summary page (Oshino)
     * no update
    * Trouble of Omicron trigger generation (Oshino)
     * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=20328|klog#20328]]
     * replaced the local SSD on k1sum1. The Omicron triggers are stored in different disk.
    * 120Hz glitches investigation during O3GK
     * no update
     * Kihyun can't join for a while. This project will be postponed.
    * Report of new tool development (Darkhan)
     * showed demonstration
     * this tool can take a ratio between channels and will be able to apply time-domain filter (band pass/highpass/lowpass) in future.
-----
=== 20220328 (Mon.) ===
  * Agenda
    * Announcement
     * DQR design document, put comments on [[https://git.ligo.org/detchar/o4-data-quality-report-design-document/-/issues?label_name%5B%5D=Second+circulation|git issue]]
     * Workshop 2022/04/15 [[https://indico.in2p3.fr/event/26414/program|Workshop on the development of innovative tools for new collaborations within gravitational wave detection experiments]]
    * Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012]
    * Activity report by students from Aoyama Gakuin univ.
     * glitch investigation related to IMMT1 oplev (Aoyama Gakuin univ.)
     * Tcam image analysis to identify mirror location and center (Aoyama Gakuin univ.)
    * DQR update
    * Update of summary page
    * 120Hz glitches investigation during O3GK

 * Minutes
  * Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012]
   * YamaT constructed the test environment in local computer
   * Although YamaT is copying the environment to DetChar computers, it is very slow. (speed ~ 250KB/s)
   * After copying, YamaT will work on modification of codes to fit KAGRA data, such as nds2.py
   * For testing the tools (Omicron, Hveto...), we need volunteers, especially remote site!
  * Activity report by students from Aoyama Gakuin univ.
   * five students and two staff members from Aoyama Gakuin univ. stayed Kamioka site during last three weeks.
   * They helped commissioning work both in tunnel [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=20124|klog#20124]] [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=20155|klog#20155]] and in control room.
   * several code developments to understand glitch cause have been done. [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=20026|klog#20026]] [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=20027|klog#20027]]
   * code development to identify mirror center of ITMX have been done by using image analysis. [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=14003|slide(Japanese)]] [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=20036|klog#20036]] [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=20198|klog20198]] [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=20203|klog#20203]]
  * DQR update
   * Joe updated Task Manager. Yuzurihara will install new version and test it.
  * Update of summary page
   * no update
  * 120Hz glitches investigation during O3GK
   * no update

-----
=== 20220307 (Mon.) ===
  * Agenda
    * announcement
     * LVK meeting March 2022 [[https://wiki.ligo.org/LSC/Meeting/LVKMeetingMarch2022|wiki]] [[https://cgca.uwm.edu/events/2021lvk|web]]
      * registration is available
    * 120Hz glitches investigation during O3GK
    * unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012]
    * DQ flags for O4
    * DQR update
    * glitch investigation related to IMMT1 oplev
 * Minutes
    * 120Hz glitches investigation during O3GK
     * no update
    * unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012]
     * YamaT is working on this project at test-server.
     * Test of new conda environment will start from next week (after JPS meeting)
    * DQ flags for O4
     * no update
    * DQR update
     * Joe is developing the code to connect between igwn-alert and TaskManager. It will be available soon.
     * Schedule for review
      * Review of Task Manager will be done before review of each task.
      * High priority task needs to complete before Aug. 2022
      * Low priority task needs to complete before Nov. 2022
    * glitch investigation related to IMMT1 oplev
     * From March 8, students from Aoyama Gakuin univ. stayed at Kamioka
     * They worked on the investigation of glitch. [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=20026|klog#20026]][[https://klog.icrr.u-tokyo.ac.jp/osl/?r=20027|klog#20027]]
     * They checked IMMT1 QPD signals and PRM suspension signals at the time of glitch.
    * NDS2 tool development (Darkhan)
     * no major update.
    * GPS accuracy monitor (Oshino)
     * is available on [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/summary/day/20220313/detchar/gps/|summary page]]
     * Current difference is acceptable and reasonable.
    * No meeting on March 21 due to Japanese holiday. Next meeting is planed on March 28.

-----
=== 20220307 (Mon.) ===
  * Agenda
    * announcement
     * RRT plan during O4 [[https://dcc.ligo.org/G2200220|slide]]
     * LVK meeting March 2022 [[https://wiki.ligo.org/LSC/Meeting/LVKMeetingMarch2022|wiki]] [[https://cgca.uwm.edu/events/2021lvk|web]]
      * registration is available
    * 120Hz glitches investigation during O3GK
    * unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
    * DQ flags for O4
    * DQR update
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    * O3GK Glitch investigation (Kihyun)
     * Kihyun checked the omega-scan of three channels last week. The results are summarized in the last three page[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13383|slide]].
     * He concluded that there is no glitches in these channels.
    * Segment information for open data (Uchikata)
     * They checked which data segments were used for GRB analysis. The correct data segments was used for analysis.
     * But, for some reason, the time of the wrong segment was transmitted to gwosc group.
     * The open data set will be re-produced by Uchikata-san and Narikawa-san. After that, the data set will be reviewed.
    * Progress of DQR
     * (Yuzurihara) worked to

=== 20211101 (Mon.) ===
  * Agenda
    * O3GK noise budget paper [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13405|JGW-P2113405-v1]]
    * hveto, O3GK glitches
    * Info. for open data
    * Progress of DQR
   * 120Hz glitches investigation during O3GK
    * no update
   * unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
    * There are many computers/workstations in Kamioka site or Kamioka control room.
    * Workstations (k1ctr*) use common conda environment by mounting the file server.
    * In DetChar computers k1{sum,det}[01], conda environment should be unified all DetChar resources, similar to workstations.
    * To prevent the trouble that DetChar experts might break the environment, the conda environments will be set as read-only permission.
    * Installation will be done by Kamioka members. After that, we need volunteers to test the DetChar tools on new conda environment.
    * what is the time line?
     * Installation will finished before the end of March. From April, the test will start. Volunteers are helpful.
   * DQ flags for O4
    * In last PEM meeting, Yuzurihara presented the current status and received the helpful comments. [slide](https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13970)
    * We will change our plan to construct the data quality flag and will compute the BLRMS of gwpy to set the threshold.
    * The review is necessary before O4. (probably very close to O4, because we need ER)
   * DQR update
    * no update
   * Commissioning of GreenX
    * In the last weekend, the commissioner tried continuous GreenX. During that trials, they found many short term lock loss (~10 ms). 10 ms is too short to follow the suspension motion, so it is likely that there are some causes of the lock loss except for the suspension motion.
    * The commissioner needs helps DetChar members to identify the cause or give a hint of the cause.
    * For details, see [[https://klog.icrr.u-tokyo.ac.jp/osl/index.php?r=19963|klog#19963]] [[https://klog.icrr.u-tokyo.ac.jp/osl/index.php?r=19983|klog#19983]]
    * main channel K1:TMS-X_GR_PDA1_OUT_DQ
    * time : 2022 Mar 06 23:37:50 UTC = 2022 Mar 07 8:37:50 JST = GPS time 1330645088


-----
=== 20220228 (Mon.) ===
  * Agenda
    * 120Hz glitches
    * DQ flags for O4
    * progress of DQR
    * lock loss study of GreenX

  * Minutes (Yuzurihara)
    * accouncement
     * LVK meeting March 2022 [[https://wiki.ligo.org/LSC/Meeting/LVKMeetingMarch2022|wiki]] [[https://cgca.uwm.edu/events/2021lvk|web]]
      * registration is available
      * Wed, 17 March 2021:
       * Plenary Session #1 (09:00-10:30 US/CDT) (=3/16 23:00 JST)
       * Paper Presentation Session #1
       * Plenary Session #2 (16:00-17:30 US/CDT) (=3/17 6:00 JST)
      * Thu, 18 March 2021:
       * Plenary Session #3 (09:00-10:30 US/CDT) (=3/17 23:00 JST)
       * Paper Presentation Session #2
       * Plenary Session #4 (16:00-17:30 US/CDT) (=3/18 6:00 JST)
     * Pastavi server will be unavailable tonight
       * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19913|klog#19913]]
    * 120Hz glitches
     * no update
    * DQ flags for O4
     * no update
    * progress of DQR
     * igwn-alert is running more than 9days and receiving the MDC alert
     * next step is to connect the MDC alert with the launch TaskManager.
     * remained task is to develop InspiralRange [[https://git.ligo.org/detchar/dqrtasks/-/issues/8|issue]]
    * lock loss study of GreenX
     * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19906|klog#19906]]
     * From the Hveto result, the channel (K1:IMC-SERVO_MIXER_DAQ_OUT_DQ) was the most coincident channel with the lock loss of GreenX.
    * unify the detchar computing environment (YamaT)
     * scattered codes and applications (Omicron, summary page, ) over Kamioka computers are troubling.
     * we plan to unify the environment by using igwn conda
     * detail will be reported in next meeting
     * (Darkhan) conda environment on k1ctr*. someone accidentally update someone's conda environment. administrator should prepare the conda environment?
     * (YamaT) k1ctr* share the environment. this activity is not related to k1ctr* but k1sum[01], k1det[012]. we should separate the user environment and the environment for the DET tools
     * (Darkhan) should avoid accidental mistake.

-----
=== 20220221 (Mon.) ===
  * Agenda
    * 120Hz glitches
    * DQ flags for O4
    * progress of DQR
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    * Info. for open data
      * We should refer segments on [[https://segments-web.ligo.org|DQSEGDB]]
      * For GW searches: K1-SCIENCE_MODE, DET_FOR_GRB200415A
      * We need to check [1270965983, 1270976372) and [1270976435, 1270976783).


=== 20211025 (Mon.) ===
  * Agenda
    * Omicron glitches (40?, 120Hz)
    * DQR [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13381|slide]]
    * 120Hz glitches
      * No updates
    * DQ flags for O4
      * No updates
    * progress of DQR
      * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19847|klog#19847]]
    * Proposal new tool to see past data by NDS (Darkhan)

-----
=== 20220207 (Mon.) ===
  * Agenda
    * 120Hz glitches
    * Report from [[https://wiki.ligo.org/DetChar/JanFeb2022DetCharF2F|LIGO Detchar F2F Meeting]]
    * DQ flags for O4
    * progress of DQR
Line 44: Line 255:
    * Omicron glitches
      * ALS channels has some coincidence.
        * Cavity and suspensions are shared GR and IR lasers.
        * It's not identified the cause (GR laser or suspensions) yet from current results.
      * Chamber ACC at EXC has also same glitches.
        * hveto cannot detect coincidence on EYC and other ACC channels.
        * These channels also checked by Omega-scan once => Kihyun.


=== 20211011 (Mon.) ===
  * Agenda
    * site commissioning
    * omicron/hveto analysis
    * DQR
    * 120Hz glitches
      * No updates
    * DQ flags for O4
      * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13851|slide]]
      * (Yuzurihara) read BLRMS data and made the several plots with 1% and 99% percentile.
      * When KAGRA will be locked as observation mode?
       * hopefully after july, there will be lock trial for two monthes(?)
      * When you set the 1% criteria, always you throw away the 1% data?
       * We might need to consider the better procedure to care that point.
    * progress of DQR
      * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19671|klog#19671]]

-----
=== 20220131 (Mon.) ===
  * Agenda
    * 120Hz glitches
    * Report from DQR hackathon
    * DQ flags for O4
    * Master thesis (Morisue-san)

-----
=== 20220117 (Mon.) ===
  * Agenda
    * 120Hz glitches
    * ITMX glitches
    * DQR progress
    * DQ flags for O4
Line 59: Line 283:
    * site commissioning
      * MC OpLev glitches ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=18518|klog#18518]])
      * PLL resonance ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=18466|klog#18466]])
      * IX MN glitches vanished(?) ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17876|klog#17876]])
    *

=== 20210927 (Mon.) ===
  * Agenda
    * hveto analysis
    * O4 commissioning
    * progress of DQR [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13326|slide]]
  * Minutes
    * hveto
      * glitch rate was computed for O3GK paper [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13311|JGW-D2113311]]
      * Clustering (with 0.1s window) was performed on gwpy function
    * O4 commissioning
      * Commissioning is now pending and suspension health check is ongoing.

=== 20210906 (Mon.) ===
  * Agenda
    * hveto analysis
    * O4 commissioning
    * JPS meeting
  * Minutes
    * O4 commissioning
     * Turn on the clustering option of Omicron ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=18070|k-log#18070]])
     * periodic glitches are happening in ITMX ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17876|klog#17876]])
      * These glitches seems to be correlated to IXV temperature ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17912|#17912]])
      * To find the source of ITMX glitches, there is a investigation ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17980|#17980]])
      * Update of summary page : Added ITMX signals for glitch pipeline ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=18112|k-log#18112]])
     * Implementation of GAS DC control for ITMX ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=18153|k-log#18153]])

=== 20210830 (Mon.) ===
  * Agenda
    * hveto analysis
    * O4 commissioning
    * O4 readiness
  * Minutes
    * hveto analysis
      * veto segment list will be shared. => Kihyun
    * O4 commissioning
      * PLL noise ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=18014|klog#18014]])
      * periodic glitches are happening in ITMX ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17876|klog#17876]])
       * These glitches seems to be correlated to IXV temperature ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17912|#17912]])
       * To find the source of ITMX glitches, there is a investigation ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17980|#17980]])
      * MCi and MCo pitch strange behavior ([[https://klog.icrr.u-tokyo.ac.jp/osl/index.php?r=18027|k-log#18027]])
      * Glitch investigation by Omicron
        * If there are many sources of glitches, information about small change in glitch rate is helpful to noise hunting.
        * ITMX PS should be added on SummaryPages => Oshino
        * And also we should set 0.1s clustering option as the first test for Omicron process.
        * In pyomicron, 0.1s clustering is default settings and pyomicron is available in igwn.
    * O4 readiness
      * #15 [Cont'd] State Vector Definition
        * Responsible: '''T. Yamamoto -> T. Yamamoto'''
      * #16 + #20 Segment production with short latency
        * Responsible: '''K. Kokeyama -> S. Oshino, T. Yamamoto'''
      * #17 [Cont'd ] Status web pages (summary pages, [[https://monitor.ligo.org/gwstatus|gw status]], [[https://ldas-jobs.ligo.caltech.edu/~gwistat/gwistat/gwistat_p.html|gw istat]])
        * Responsible: '''S. Oshino -> S. Oshino'''
      * #18 [Cont'd] DQ event validation
        * Responsible: '''C. Kozakai -> K. Ueno, T. Yamamoto'''
      * #19 [Cont'd] GraceDB
        * Responsible: '''H. Tagoshi -> H. Tegoshi(?)'''
      * #21 [New] Data Category (at least CAT1) production
        * Responsible: '''N. Uchikata(?)'''
      * #22 [New] RRT contribution
        * Responsible: '''H. Yuzurihara'''
    * Taks list of DetChar
      * We need to set concrete task list for authorship issue. (within 1 month?) => Yamamoto
      * Time line of each tasks also should be decided => Yamamoto & each responsible person
      * After creating the draft version of task list and time line, they will be shared on DET telecon.


=== 20210823 (Mon.) ===
  * Agenda
    * hveto analysis
    * O4 commissioning & preparation
    * f2f meeting
  * Minutes
    * hveto analysis
      * O3GK 2 weeks data was analyzed with new configuration.
      * Blip, LF burst were found in many times.
      * All vetoed segments will be shared soon.
    * O4 commissioning
      * IMC commissioning is on-going
       * beam shape of transmitted beam at MCE is not clear circle. It looks like ellipse.
       * Now Kenta Tanaka and I are investigating the cause. If the cause is happening outside of mode cleaner, we can do something to remove the cause.
       * From the last week investigate, we are doubting it is ghost beam. [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17930|k-log]] [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17903|k-log]] [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17883|k-log]]
      * VIS commissioning
       * VIS team is working the implementation of dumping filter, which is called local dumpling. Now they are discussing about the evaluation of the requirement value for dumpling.
       * Many glitches in the feedback signal were observed. [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17974|k-log]]
    * f2f meeting
      * Status talk of DAC/DET (28th Sat. 9:00~?)
        * => Yamamoto
      * Contribution talks
        * Pastavi development (poster) => Yuzurihara
        * Gaussianity search (poster) => Morisue

=== 20210816 (Mon.) ===
  * Agenda
    * hveto analysis
    * O4 commissioning
    * KAGRA readiness
    * f2f meeting
  * Minutes
    * hveto analysis
      * various clustering
        * ([[https://gwdet.icrr.u-tokyo.ac.jp/~controls/hveto/manual/2020-04-15cl0.1/|0.1]], [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/hveto/manual/2020-04-15cl0.2/|0.2]], [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/hveto/manual/2020-04-15cl0.3/|0.3]], [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/hveto/manual/2020-04-15cl0.4/|0.4]], [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/hveto/manual/2020-04-15cl0.5/|0.5]], [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/hveto/manual/2020-04-15cl0.6/|0.6]], [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/hveto/manual/2020-04-15cl0.7/|0.7]], [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/hveto/manual/2020-04-15cl0.8/|0.8]], [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/hveto/manual/2020-04-15cl0.9/|0.9]], [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/hveto/manual/2020-04-15cl1.0/|1.0]])
      * old results
        * ([[https://gwdet.icrr.u-tokyo.ac.jp/~controls/hveto/manual/2020-04-15_cl0_1v2/|0.1]], [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/hveto/manual/2020-04-15_cl0_2/|0.2]])
    * O4 commissioning
      * FNC instability ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17748|klog#17748]], [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17865|klog#17865]])
        * We are not investigating the cause of instability of Michelson fringes of FNC (green laser)
        * Fiber coupling at PSL room is the most reasonable candidate.
        * We need to investigate temperature environment around green laser more detailed.
      * MN Photo sensor noise ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17876|klog#17876]])
        * It doesn't seem to be not a real ground motion because upper stage isn't shaked.
        * We doubt the electrical noise now.
        * O4 readiness
    * O4 readiness
      * #15 [Cont'd] State Vector Definition
        * Responsible: '''T. Yamamoto -> T. Yamamoto'''
      * #16 + #20 Segment production with short latency
        * Responsible: '''K. Kokeyama -> S. Oshino, T. Yamamoto'''
      * #17 [Cont'd ] Status web pages (summary pages, [[https://monitor.ligo.org/gwstatus|gw status]], [[https://ldas-jobs.ligo.caltech.edu/~gwistat/gwistat/gwistat_p.html|gw istat]])
        * Responsible: '''S. Oshino -> S. Oshino'''
      * #18 [Cont'd] DQ event validation
        * Responsible: '''C. Kozakai -> K. Ueno, T. Yamamoto'''
      * #19 [Cont'd] GraceDB
        * Responsible: '''H. Tagoshi -> H. Tegoshi(?)'''
      * #21 [New] Data Category (at least CAT1) production
        * Responsible: '''!!!!!'''
      * #22 [New] RRT contribution
        * Responsible: '''H. Yuzurihara'''

=== 20210802 (Mon.) ===
  * Agenda:
    * hveto analysis
    * O4 commissioning and preparation
    * Hardware injection plan during O4
    * KAGRA O4 readiness
    * Proposal of O3GK DetChar paper [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13149|slide]]
  * Minutes:
    * hveto analysis
      * clustering test
        * Round winer doesn't change by clustering option.
        * Some kind of clustering is necessary but best parameter is not clear yet.
        * Kihyun will share the event time of clustered events.
        * We should check each event by spectrogram, Omega-scan, etc.
        * hveto with clustering will be also performed for 2 weeks day.
    * O4 commissioning
      * Omega-scan on Kashiwa has some error now. And
    * Hardware injection plan during O4
      * KAGRA CAL group is now gathering the plan of HWI during observations.
      * In LIGO case, in order to do HWI during obs., they need special and reasonable reasons.
      * KAGRA CAL also plan to adopt same procedures of the HWI management as LIGO.
      * If you have any HWI plan related to DET activities pls. share in DET telecons once.
      * We would like to discuss that the requested plans should be conducted during ER or obs.
    * O4 readiness
      * #15 [Cont'd] State Vector Definition
        * Responsible: '''T. Yamamoto -> T. Yamamoto'''
      * #16 + #20 Segment production with short latency
        * Responsible: '''K. Kokeyama -> S. Oshino, T. Yamamoto'''
      * #17 [Cont'd ] Status web pages (summary pages, [[https://monitor.ligo.org/gwstatus|gw status]], [[https://ldas-jobs.ligo.caltech.edu/~gwistat/gwistat/gwistat_p.html|gw istat]])
        * Responsible: '''S. Oshino -> S. Oshino'''
      * #18 [Cont'd] DQ event validation
        * Responsible: '''C. Kozakai -> T. Yamamoto'''
      * #19 [Cont'd] GraceDB
        * Responsible: '''H. Tagoshi -> H. Tegoshi(?)'''
      * #21 [New] Data Category (at least CAT1) production
        * Responsible: '''!!!!!'''
      * #22 [New] RRT contribution
        * Responsible: '''H. Yuzurihara'''

=== 20210726 (Mon.) ===
  * Agenda:
    * hveto analysis
    * O4 commissioning
    * O4 readiness
  * Minutes:
    * hveto analysis
      * Analyses with various clustering parameter are in progress. Kihyun will report in next telecon.
    * O4 commissioning
      * no updates
        * SummaryPages
        * lvalert
        * DET cluster
    * O4 readiness
      * It is preferable that the same person does not become multiple responsible person
      * As WP2021, DET tasks which is taken into account an effort follows readiness issues.

      * #15 [Cont'd] State Vector Definition
        * Responsible: '''T. Yamamoto -> T. Yamamoto'''
      * #16 + #20 Segment production with short latency
        * Responsible: '''K. Kokeyama -> S. Oshino, T. Yamamoto'''
      * #17 [Cont'd ] Status web pages (summary pages, [[https://monitor.ligo.org/gwstatus|gw status]], [[https://ldas-jobs.ligo.caltech.edu/~gwistat/gwistat/gwistat_p.html|gw istat]])
        * Responsible: '''S. Oshino -> S. Oshino'''
      * #18 [Cont'd] DQ event validation
        * Responsible: '''C. Kozakai -> !!!!!'''
      * #19 [Cont'd] GraceDB
        * Responsible: '''H. Tagoshi -> H. Tegoshi(?)'''
      * #21 [New] Data Category (at least CAT1) production
        * Responsible: '''!!!!!'''
      * #22 [New] RRT contribution
        * Responsible: '''H. Yuzurihara'''

=== 20210719 (Mon.) ===
  * Agenda:
    * hveto analysis
    * O4 commissioning
    * O4 readiness
  * Minutes
    * O4 commissioning
      * IMC-XARM commissioning
        * FNC control saturation [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17464|klog17464]]
        * MC Oplev glitches and 120Hz line still exist (K1:VIS-MC{I,E,O}_TM_WIT_{P,Y})
        * Unstational noise excess on Green laser above 100Hz still exists (K1:ALS-
    * O4 readiness
      * #15 [Cont'd] State Vector Definition
        * Responsible: '''T. Yamamoto -> T. Yamamoto(?)'''
      * #16 + #20 Segment production with short latency
        * Responsible: '''K. Kokeyama -> S. Oshino, T. Yamamoto'''
      * #17 [Cont'd ] Status web pages (summary pages, [[https://monitor.ligo.org/gwstatus|gw status]], [[https://ldas-jobs.ligo.caltech.edu/~gwistat/gwistat/gwistat_p.html|gw istat]])
        * Responsible: '''S. Oshino -> S. Oshino(?)'''
      * #18 [Cont'd] DQ event validation
        * Responsible: '''C. Kozakai -> '''
      * #19 [Cont'd] GraceDB
        * Responsible: '''H. Tagoshi -> H. Tegoshi(?)'''
      * #21 [New] Data Category (at least CAT1) production
        * Responsible:
      * #22 [New] RRT contribution
        * Responsible: '''H. Yuzurihara(?)'''

=== 20210705 (Mon.) ===
  * Agenda:
    * 120Hz glitches
      * No updates
      * Next step is coincidence search with signals around ETMY including local control sensors.
    * ITMX glitches
      * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19212|klog#19212]]
      * K1:VIS-ITMX_F3_LVDTINF_GAS_{IN1,OUT} have glitches.
      * It seems to occur around AA chassis. (AA and cable replacement didn't help to improve situation).
      * We will try to find glitches on other channels on the same ADC board.
      * This channel should be added to Omicron search on SummaryPages.
    * DQR progress
      * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13721|JGW-G2213721]]
    * DQ flags for O4
      * No updates
Line 294: Line 297:
    * white paper
    * O4 commissioning
  * Minutes:
    * O3GK paper
      * Hveto was rerun with various parameters.
      * But there is no improvement in the veto efficiency.
    * white paper
      * Final version was released.
      * There was no additional comments from LV
      * [[https://git.ligo.org/operations/operations-white-paper-2021|LIGO Git]]
    * O4 commissioning
      * no report

-----
=== 20210628 (Mon.) ===
  * Agenda
    * O3GK paper
    * white paper
    * O4 commissioning & preparation
  * Minutes
    * O3GK paper
      * Uchikata-san and Narikawa-san got a consistent results with Kozakai-san's one.
      * hveto was performed with 0.1 duration.
      * There is no efficient channel/sensor for glitch veto.
        * Some parameters comes from LIGO's one.
        * So we need to find better parameters for KAGRA's data.
        * We also need prepare the more efficient sensors for O4 observing run
      * Kihyun is also performing the crosscheck. (1 or 2 weeks later he can report.)
    * white paper
      * [[https://git.ligo.org/operations/operations-white-paper-2021|Draft on LIGO Git]]
      * TY will be added a description about CAGMon until LVK DET call.
      * WP will be fixed at Ops call on 6/30 (?)
    * O4 commissioning & preparation
      * IMC commissioning
        * [Ongoing] Glitches on OpLev
          * Because of too many glitches, it's difficult to investigate one by one.
          * K1:VIS-MC{I,E,O}_TM_WIT_{P,Y} (MC Oplevs)
        * [Fixed] PLL noise coming from broken circuit [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17188|klog17188]]
        * [Ongoing] PLL also has glitches (maybe) due to electrostatic discharge. [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17239|klog17239]]
          * K1:ALS-{X,Y}_BEAT_ERR_OUT_DQ (error signal)
          * K1:ALS-{X,Y}_PLL_SLOW_DAQ_OUT_DQ (feedback signal)
        * [Ongoing] non-stational correlation between IMC/PLL and Microphone
          * K1:CAL-CS_PROC_IMC_FREQUENCY_DQ (calibrated frequency noise)
          * K1:IMC-SERVO_SLOW_DAQ_OUT_DQ (feedback signal of IMC)
          * K1:ALS-{X,Y}_PLL_SLOW_DAQ_OUT_DQ (feedback signal of PLL)
        * [Ongoing] station correlation between PMC and Microphone
          * Investigation about significance of coherence is ongoing.
-----
=== 20210621 (Mon.) ===
  * Agenda
    * O3GK paper
    * O4 whitepaper
    * O4 commissioning & preparation
  * Minutes
    * O4 white paper
      * The 1st version of the draft was submitted on June 17th.
        * [[https://git.ligo.org/operations/operations-white-paper-2021|LIGO Git]]
        * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12985|JGW-T-2112985]]
      * Final deadline is June 30th.
        * We can still do the miner fix.
    * O4 commissioning & preparation
      * IMC Commissioning
        * Omicron trigger searches for MC Oplevs were resumed ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17150|klog#17150]]).
          * K1:VIS-MC{I,E,O}_TM_WIT_{P,Y} (oplev signals)
          * K1:VIS-IMMT{1,2}_TM_WIT_{P,Y} (as a reference of circuit noise)
        * SummaryPages
          * Glitch trigger tabs are added.
          * Loudest glitches can be seen on Pastavi (only internal ICRR network)
=== 20210614 (Mon.) ===
  * Agenda
    * O3GK paper
    * O4 whitepaper
    * O4 commissioning & preparation
  * Minutes
    * O3GK paper
      * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13009|plot]]
    * O4 white paper
      * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12985|draft]]
      * It's better to include PEM plans in commissions support section if exits.
    * O4 commissioning & preparation
      * IMC Commissioning
        * We have now four frequency noise signal (IMC, PMC, PLL-X, PLL-Y)
          * K1:CAL-CS_PROC_IMC_FREQUENCY_DQ (calibrated IMC as MHz)
          * K1:PSL-PMC_PZT_HV_MON_OUT_DQ (calibrated PMC as Volt at PZT amp.)
          * K1:ALS-X_PLL_SLOW_DAQ_OUT_DQ (calibrated Green-X as Volt at PZT)
          * K1:ALS-X_PLL_SLOW_DAQ_OUT_DQ (calibrated Green-Y as Volt at PZT)
        * PMC (always) and others (sometimes) have correlation with microphone signal
          * K1:PEM-MIC_PSL_TABLE_PSL1_Z_OUT_DQ (calibrated as Pascal)
        * OpLev signals have some glitches and are investigated now.
          * K1:VIS-MC{I,E,O}_TM_WIT_{P,Y}
          * Real SUS motion?, electrical glitches?, scattered light? etc.
      * SummaryPages
        * Updated PSL, PEM tabs.
          * PLL signals are available.

-----

=== 20210607 (Mon.) ===
  * Agenda
    * O3GK paper
    * O4 whitepaper
    * O4 commissioning & preparation
  * Minutes
    * O3GK paper
      * Preparing some plots about histgram and glitch rate of both KAGRA and GEO
    * O4 whitepaper
      * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12985|draft]]
    * O4 commissioning & preparation
      * CAGMon development
        * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12986|slide]]
          * Found correlation between wind power and BNS ranges
          * OMMT1 doesn't (maybe) have Oplev. It's better to confirm what kind of sensors were coneected.
          * BNS range channel has ~2min latency. It may become better results by considering the latency in BNS range calculation.
      * IMC commissioning
        * Noise investigation ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=16928|klog]])
        * Correlation between IMC and MIC sometimes increase in spite of no change in microphone spectra.
        * Coupling coefficients may be changed in time.
      * Cross check of hveto results.
        * Kihyun's (KISTI) and Chihiro's (Kamioka) results were confirmed as consistent each other.
        * For O4 observing run, Kashiwa environment is also important for increasing machine power.
        * Requirement of machine power should be estimated soon (but it's strongly depends on the situation of O4 joining)
        * We plan to use 100-200 aux. channels and it's very helpful to analyze them at the same time for each pipeline.
      * lvalert
        * no report
      * SummaryPage
        * no report
      * DetChar cluster
        * no report


-----
=== 20210531 (Mon.) ===
  * Agenda
    * O3GK paper
    * O4 readiness
    * O4 commissioning & preparation
  * Minutes
    * O3GK paper
      * Comparison with Uchikata-san's and GEO people's results is ongoing.
      * Kihyun is performing validation check of his results => He will report in next or 2 weeks later telecon.
    * O4 readiness
      * #15 [Cont'd] State Vector Definition
        * Responsible: '''T. Yamamoto -> T. Yamamoto(?)'''
      * #16 + #20 Segment production with short latency
        * Responsible: '''K. Kokeyama -> '''
      * #17 [Cont'd ] Status web pages (summary pages, [[https://monitor.ligo.org/gwstatus|gw status]], [[https://ldas-jobs.ligo.caltech.edu/~gwistat/gwistat/gwistat_p.html|gw istat]])
        * Responsible: '''S. Oshino -> S. Oshino(?)'''
      * #18 [Cont'd] DQ event validation
        * Responsible: '''C. Kozakai -> '''
      * #19 [Cont'd] GraceDB
        * Responsible: '''H. Tagoshi -> H. Tegoshi(?)'''
      * #21 [New] Data Category (at least CAT1) production
        * Responsible:
      * #22 [New] RRT contribution
        * Responsible: '''H. Yuzurihara(?)'''
    * white paper 2021
      * No progress in draft.
      * Task list will be based on O4 readiness.
        * If there is another task plan, please let TY know (maybe CAGMon, ICA, pastavi development etc.).
    * O4 commissioning & preparation
      * LVAlert
        * no report
      * SummaryPages update
        * no report
      * DET cluster
        * no report
      * CAGMon development
        * no report

-----
=== 20210524 (Mon.) ===
  * Agenda
    * O3GK paper
    * O4 commissioning & preparation
    * O4 readiness
  * Minutes
    * O3GK paper
      * Discussion with GEO people is ongoing
    * 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. [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12937|slide]]
      * lvalert test
        * no report
      * DET cluster
        * no report
      * 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]]

=== 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, [[https://monitor.ligo.org/gwstatus|gw status]], [[https://ldas-jobs.ligo.caltech.edu/~gwistat/gwistat/gwistat_p.html|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
    * O3GK analysis
    * SummaryPage
    * LV alert [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12760|slide]]
    * NDS2
    * IMC Commissioning
  * 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
    * Progress of hveto analysis
    * DetChar cluster
    * lvalert
    * SummaryPages
    * RRT for O4
  * 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
      * http://klog.icrr.u-tokyo.ac.jp/osl/?r=16082
      * OS installation for master node was done.
    * 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)
      * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12499|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
      * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=12481|slide]]
    * 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.
      * Threshold used for computing a glitch rate was changed as SNR=6.5.
      * It's a same criterion with LIGO, and Virgo.
      * Both GEO and KAGRA's results are now computed and draft was also updated.

-----
Line 845: Line 303:
  * [[KAGRA/Subgroups/DET/Meeting/2021|2021]]

Meetings

  • Meeting time: 13:00-13:30 JST/KST on every Monday
  • Meeting room: Zoom


Agenda & Minutes


20220411 (Mon.)

  • Agenda
    • Announcement
      • Workshop 2022/04/15 web page

        • DetChar talk is planed by Yokozawa. When he circulates slide, put comments on slide.

    • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012]
      • call for volunteers from remote site, to test hveto and FScan. Please let us (Yuzuriahra or YamaT) know.
    • Exchange of opinions between DET members(YamaT, Sawada(OPS), Yuzurihara) and DMG members(Kanda, Oohara)
      • related to conda environment and DQR tasks
      • in Kashiwa server and Kamioka computers, we will be able to read data by using nds2 or datafind.

    • DQR update (Yuzurihara)
    • Update contents of summary page? (Oshino)
    • Combine DET computer resources into one DET cluster at Kamioka site
      • (Oshino) explain idea, goal, and timeline
    • Report of new tool development? (Darkhan)


20220404 (Mon.)

  • Agenda
  • Minutes
    • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012]
      • Installation of IGWN was done on k1detfs.
        • Too slow HDD response? (~150KB/s via NFS)
      • Works well
        • SummaryPages as GPS-select mode

          • ini-file grammar is slightly changed from the old version.
        • Omicron
          • No special hack
        • Omega-scan
          • needs temporal code hack
        • Bruco
          • needs preparation for reading kagra data (kagradata.py)
          • No --include option in original one.

      • Not yet
        • SummaryPages as Daily mode (This will be done by Kamioka people)

        • hveto
        • FScan
          • Not included in IGWN environment?
      • Problem
        • No global NDS2, DataFind servers or equivalent way.

          • SSH port forwarding is not enough because port number is different depending on person.
          • So I cannot do the code hack on IGWN software in the system region.
        • KAGRA env may not be able to be included in IGWN until O4.
          • If so, we shouldn't use IGWN in officially for O4.
      • (Lupin) igwn-py38? or py39?
      • YamaT asked status of FScan
      • In future, we need to prepare similar environment on Kashiwa cluster. The environment is not completely same as Kamioka computers.
      • We need volunteers from remote site, to test hveto and FScan. Please let us (Yuzuriahra or YamaT) know.
    • DQR update (Yuzurihara)
      • Operation test for new version of Task Manager is on-going on k1det1.
      • I found that code of stationary task uses datafind to read gwf data, which we don't have.

      • I need to consider how to read data for DQR tasks.
        • (Darkhan) Is there any way to get the latest list of channels?
        • (Yuzurihara) If you can specify the name of frame data, there is a function on gwpy.
    • Update of summary page (Oshino)
      • no update
    • Trouble of Omicron trigger generation (Oshino)
      • klog#20328

      • replaced the local SSD on k1sum1. The Omicron triggers are stored in different disk.
    • 120Hz glitches investigation during O3GK
      • no update
      • Kihyun can't join for a while. This project will be postponed.
    • Report of new tool development (Darkhan)
      • showed demonstration
      • this tool can take a ratio between channels and will be able to apply time-domain filter (band pass/highpass/lowpass) in future.


20220328 (Mon.)

  • Minutes
    • Unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012]
      • YamaT constructed the test environment in local computer
      • Although YamaT is copying the environment to DetChar computers, it is very slow. (speed ~ 250KB/s)

      • After copying, YamaT will work on modification of codes to fit KAGRA data, such as nds2.py
      • For testing the tools (Omicron, Hveto...), we need volunteers, especially remote site!
    • Activity report by students from Aoyama Gakuin univ.
      • five students and two staff members from Aoyama Gakuin univ. stayed Kamioka site during last three weeks.
      • They helped commissioning work both in tunnel klog#20124 klog#20155 and in control room.

      • several code developments to understand glitch cause have been done. klog#20026 klog#20027

      • code development to identify mirror center of ITMX have been done by using image analysis. slide(Japanese) klog#20036 klog20198 klog#20203

    • DQR update
      • Joe updated Task Manager. Yuzurihara will install new version and test it.
    • Update of summary page
      • no update
    • 120Hz glitches investigation during O3GK
      • no update


20220307 (Mon.)

  • Agenda
    • announcement
      • LVK meeting March 2022 wiki web

        • registration is available
    • 120Hz glitches investigation during O3GK
    • unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012]
    • DQ flags for O4
    • DQR update
    • glitch investigation related to IMMT1 oplev
  • Minutes
    • 120Hz glitches investigation during O3GK
      • no update
    • unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012]
      • YamaT is working on this project at test-server.
      • Test of new conda environment will start from next week (after JPS meeting)
    • DQ flags for O4
      • no update
    • DQR update
      • Joe is developing the code to connect between igwn-alert and TaskManager. It will be available soon.

      • Schedule for review
        • Review of Task Manager will be done before review of each task.
        • High priority task needs to complete before Aug. 2022
        • Low priority task needs to complete before Nov. 2022
    • glitch investigation related to IMMT1 oplev
      • From March 8, students from Aoyama Gakuin univ. stayed at Kamioka
      • They worked on the investigation of glitch. klog#20026klog#20027

      • They checked IMMT1 QPD signals and PRM suspension signals at the time of glitch.
    • NDS2 tool development (Darkhan)
      • no major update.
    • GPS accuracy monitor (Oshino)
      • is available on summary page

      • Current difference is acceptable and reasonable.
    • No meeting on March 21 due to Japanese holiday. Next meeting is planed on March 28.


20220307 (Mon.)

  • Agenda
    • announcement
      • RRT plan during O4 slide

      • LVK meeting March 2022 wiki web

        • registration is available
    • 120Hz glitches investigation during O3GK
    • unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
    • DQ flags for O4
    • DQR update
  • Minutes (Yuzurihara)
    • 120Hz glitches investigation during O3GK
      • no update
    • unify conda environment in Kamioka detchar computers, k1sum[01] and k1det[012] (YamaT)
      • There are many computers/workstations in Kamioka site or Kamioka control room.
      • Workstations (k1ctr*) use common conda environment by mounting the file server.
      • In DetChar computers k1{sum,det}[01], conda environment should be unified all DetChar resources, similar to workstations.

      • To prevent the trouble that DetChar experts might break the environment, the conda environments will be set as read-only permission.

      • Installation will be done by Kamioka members. After that, we need volunteers to test the DetChar tools on new conda environment.

      • what is the time line?
        • Installation will finished before the end of March. From April, the test will start. Volunteers are helpful.
    • DQ flags for O4
    • DQR update
      • no update
    • Commissioning of GreenX
      • In the last weekend, the commissioner tried continuous GreenX. During that trials, they found many short term lock loss (~10 ms). 10 ms is too short to follow the suspension motion, so it is likely that there are some causes of the lock loss except for the suspension motion.
      • The commissioner needs helps DetChar members to identify the cause or give a hint of the cause.

      • For details, see klog#19963 klog#19983

      • main channel K1:TMS-X_GR_PDA1_OUT_DQ
      • time : 2022 Mar 06 23:37:50 UTC = 2022 Mar 07 8:37:50 JST = GPS time 1330645088


20220228 (Mon.)

  • Agenda
    • 120Hz glitches
    • DQ flags for O4
    • progress of DQR
    • lock loss study of GreenX
  • Minutes (Yuzurihara)
    • accouncement
      • LVK meeting March 2022 wiki web

        • registration is available
        • Wed, 17 March 2021:
          • Plenary Session #1 (09:00-10:30 US/CDT) (=3/16 23:00 JST)
          • Paper Presentation Session #1
          • Plenary Session #2 (16:00-17:30 US/CDT) (=3/17 6:00 JST)
        • Thu, 18 March 2021:
          • Plenary Session #3 (09:00-10:30 US/CDT) (=3/17 23:00 JST)
          • Paper Presentation Session #2
          • Plenary Session #4 (16:00-17:30 US/CDT) (=3/18 6:00 JST)
      • Pastavi server will be unavailable tonight
    • 120Hz glitches
      • no update
    • DQ flags for O4
      • no update
    • progress of DQR
      • igwn-alert is running more than 9days and receiving the MDC alert
      • next step is to connect the MDC alert with the launch TaskManager.

      • remained task is to develop InspiralRange issue

    • lock loss study of GreenX
      • klog#19906

      • From the Hveto result, the channel (K1:IMC-SERVO_MIXER_DAQ_OUT_DQ) was the most coincident channel with the lock loss of GreenX.
    • unify the detchar computing environment (YamaT)
      • scattered codes and applications (Omicron, summary page, ) over Kamioka computers are troubling.
      • we plan to unify the environment by using igwn conda
      • detail will be reported in next meeting
      • (Darkhan) conda environment on k1ctr*. someone accidentally update someone's conda environment. administrator should prepare the conda environment?
      • (YamaT) k1ctr* share the environment. this activity is not related to k1ctr* but k1sum[01], k1det[012]. we should separate the user environment and the environment for the DET tools
      • (Darkhan) should avoid accidental mistake.


20220221 (Mon.)

  • Agenda
    • 120Hz glitches
    • DQ flags for O4
    • progress of DQR
  • Minutes
    • 120Hz glitches
      • No updates
    • DQ flags for O4
      • No updates
    • progress of DQR
    • Proposal new tool to see past data by NDS (Darkhan)


20220207 (Mon.)

  • Agenda
  • Minutes
    • 120Hz glitches
      • No updates
    • DQ flags for O4
      • slide

      • (Yuzurihara) read BLRMS data and made the several plots with 1% and 99% percentile.
      • When KAGRA will be locked as observation mode?
        • hopefully after july, there will be lock trial for two monthes(?)
      • When you set the 1% criteria, always you throw away the 1% data?
        • We might need to consider the better procedure to care that point.
    • progress of DQR


20220131 (Mon.)

  • Agenda
    • 120Hz glitches
    • Report from DQR hackathon
    • DQ flags for O4
    • Master thesis (Morisue-san)


20220117 (Mon.)

  • Agenda
    • 120Hz glitches
    • ITMX glitches
    • DQR progress
    • DQ flags for O4
  • Minutes
    • 120Hz glitches
      • No updates
      • Next step is coincidence search with signals around ETMY including local control sensors.
    • ITMX glitches
      • klog#19212

      • K1:VIS-ITMX_F3_LVDTINF_GAS_{IN1,OUT} have glitches.
      • It seems to occur around AA chassis. (AA and cable replacement didn't help to improve situation).
      • We will try to find glitches on other channels on the same ADC board.
      • This channel should be added to Omicron search on SummaryPages.

    • DQR progress
    • DQ flags for O4
      • No updates
    • O3GK paper
      • Threshold used for computing a glitch rate was changed as SNR=6.5.
      • It's a same criterion with LIGO, and Virgo.
      • Both GEO and KAGRA's results are now computed and draft was also updated.


Past meeting

KAGRA/Subgroups/DET/Meeting (last edited 2024-10-30 17:20:31 by HirotakaYuzurihara)