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| * KAGRA f2f meeting * 120Hz glitches * DQR progress * DQ flags for O4 * Authorship 2021 (Jan. - Dec.) * Minutes * KAGRA f2f meeting * DET has one slot in an OpsDiv session. * But TY cannot attend f2f meeting various reasons. * 120Hz glitches * DQR progress * DQ flags for O4 * Authorship 2021 (Jan. - Dec.) 1. Commissioning support, include serving data monitoring tools for site commissioners. [Commissioning Support] 1. Production and validation of Online Data Quality State Vector for O3GK searches, and as O4 preparation [Online DQSV] 1. Production and validation of Segment information for O3GK searches, O3 open data and O4 preparation [Segment/DQSEGDB] 1. DQ event validation for O3GK searches. [DQ event validation] 1. Contraction of DQR and igwn-alert framework for O4 RRT activities [DQR/RRT] 1. Managing and developing the computer environment for sharing DET information among LVK. [Status Web pages] 1. Preparation of Data Category flags for O4 joint observing run. [Data Category] ----- === 20211206 (Mon.) === * Agenda * KAGRA f2f meeting (See [kagra 04756] Reminder: Dec 2021 remote F2F Registration Open) * 120Hz glitches * DQR progress * DQ flags for O4 * Minutes * 120Hz glitches * * DQR progress * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19074|klog#19074]] * DQ flags for O4 ----- === 20211129 (Mon.) === * Agenda: * JPS meeting * KAGRA f2f meeting * 120Hz glitches * DQR progress * DQ flags for O4 * Minutes: * JPS meeting * KAGRA Status => T. Yamamoto * DQR progress + DET status => H. Yuzurihara * DET related? * KAGRA f2f meeting * DET status in Ops (DAC?) session => Not decided yet. * 120Hz glitches * Kihyun can report next week * DQR progress * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=19026|klog#19026]] * igwn-alert test is ongoing. * Installation was finished. * We need a new authentication system in order to access alert information. * DQ flags for O4 * No info sensors available yet. * PEM sensors? => Yokozawa-san will summarize * sensor noise level * stability/statistics * glitches/lines === 20211122 (Mon.) === * Agenda * Investigation about 120Hz glitches * Segments for Open data * Progress of DQR * Site commissioning * Report from LVK DAC telecon * Minutes * Investigation about 120Hz glitches * No updates in this week. * Next step is checking other all channels one by one. => Kihyun * Segments for Open data * Checking decimation effect for 4kHz h(t) was done. * The provision of information form DET has been finished. * Review process has also been done. (by Hirotaka) [[https://wiki.ligo.org/LOSC/O3aBulkDataReview|review page]] * Progress of DQR * We need to wait some time about authentication issue. * Test of igwn-alert in Python3 is ongoing ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=18966|klog18966]]) * Installation is done. ([[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/DET/LVAlert|work log]]) * Next step is to receive realistic alert and launch DET tools via LV(K?) MDC. => Hirotaka * Site commissioning * X-arm cavity was locked with GR laser frequency in air (a few minutes) ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=18921|klog#18921]]) * We can see the continuous flash on GigE camera at TMSX. * Error signal of Green PDH is K1:ALS-X_PDH_MIXER_DAQ_OUT_DQ * Y-arm laser was also reach Y-end (PD and camera) ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=18952|klog#18952]]) * ETMY damping is the next step for detecting reflected light at ETMY. * Report from LVK DAC telecon * In order to integrate KAGRA's data for low-latency searches, we need reliable DQ flags. * Well known auxiliary (witness) sensors * Well known coupling mechanism * Suitable threshold in statistically * See also [[https://wiki.ligo.org/DetChar/DataQuality/HowToCreateDQFlag|LIGO Wiki]] about DQ flags. === 20211115 (Mon.) === * Agenda * O3GK Glitch investigation * Segment information for open data * Progress of DQR * Site commissioning * Minutes * O3GK Glitch investigation => Skipped. * Segment information for open data * Data reproduction with correct segments were finished. * We need to check about error estimation of 4kHz downsampled data. => TY * Data will be release at the same time with O3GK paper. * Progress of DQR * LValert was update as python3 in LIGO. * We also need to move new version for O4. * Software test will be conducted on k1det0,1 => HY * Site commissioning * PSL room is now in working mode for future works. * PMC, PLL, IMC signals are affected by sound noise. * Glitches on MC OpLevs were decreased by wind shields. * [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/summary/day/20211101/detchar/mce_yaw/|before]] -> [[https://gwdet.icrr.u-tokyo.ac.jp/~controls/summary/day/20211103/detchar/mce_yaw/|after]] * Noise floor level was also improved. ([[https://klog.icrr.u-tokyo.ac.jp/osl/?r=18756|klog#18756]]) * Alignment jump by seismic disturbance in high frequency (1Hz~) still remains. * We need to take care about K1:VIS-MC{I,E,O}_TM_WIT_{P,Y} and K1:IMC-IMMT1_TARNS_QPDA1_DC_{PIT,YAW}_OUT * Plot range should be changed on SummaryPages. => SO ----- === 20211108 (Mon.) === * Agenda * O3GK Glitch investigation * Segment information for open data * Progress of DQR * Minutes (Yuzurihara) * O3GK Glitch investigation (Kihyun) * Kihyun checked the omega-scan at the time of glitch. [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=13383|slide (see the last three slides)]] * There is no glitches in these channels at the same time of the glitch. * Segment information for open data (Uchikata) * They checked which data segments were used for GRB analysis. The correct DQ segment was used for GRB analysis. * For some reason, the wrong segment information was used for open data. * The reproduction of open data is on-going. The data set needs the review again. * Progress of DQR (Yuzurihara) * Recently the new feature to archive the parallel process was added in [[https://o4-dqr.docs.ligo.org/o4-dqr-configuration/#how-to-specify-directory-of-a-task|TaskManager]]. * Yuzurihara is testing this feature to apply KAGRA data. === 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 * Minutes * 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]] * Minutes * 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 * Minutes * 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: * 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 |
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| === 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. |
Meetings
- Meeting time: 13:00-13:30 JST/KST on every Monday
- Meeting room: Zoom
Agenda & Minutes
20220106 (Mon.)
- Agenda