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| * Meeting time: 14:00-15:00 JST/KST on every Thursday * Meeting room: Zoom--(3 (https://zoom.us/j/5045179604))-- |
* Meeting time: 13:00-13:30 JST/KST on every Monday * Meeting room: Zoom |
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| === 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 -> ''' * #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: * O3GK paper * 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 |
=== 20220131 (Mon.) === |
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| === 20210628 (Mon.) === | === 20220117 (Mon.) === |
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| * 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 * [[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 |
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| * 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. |
* 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. |
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=== 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. |
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| * [[KAGRA/Subgroups/DET/Meeting/2021|2021]] |
Meetings
- Meeting time: 13:00-13:30 JST/KST on every Monday
- Meeting room: Zoom
Agenda & Minutes
20220131 (Mon.)
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
- 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.
- 120Hz glitches