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=== 20211108 (Mon.) === * Agenda * O3GK Glitch investigation * Segment information for open data * Progress of DQR * Minutes * GRB解析には影響はないが、土田さんに間違って時間が伝わっていた * === 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. |
Meetings
- Meeting time: 14:00-15:00 JST/KST on every Thursday
- Meeting room: Zoom
Contents
-
Meetings
-
Agenda & Minutes
- 20211108 (Mon.)
- 20211101 (Mon.)
- 20211025 (Mon.)
- 20211011 (Mon.)
- 20210927 (Mon.)
- 20210906 (Mon.)
- 20210830 (Mon.)
- 20210823 (Mon.)
- 20210816 (Mon.)
- 20210802 (Mon.)
- 20210726 (Mon.)
- 20210719 (Mon.)
- 20210705 (Mon.)
- 20210628 (Mon.)
- 20210621 (Mon.)
- 20210614 (Mon.)
- 20210607 (Mon.)
- 20210531 (Mon.)
- 20210524 (Mon.)
- 20210517 (Mon.)
- 20210510 (Mon.)
- 20210426 (Mon.)
- 20210419 (Mon.)
- 20210408 (Thu.)
- 20210401 (Thu.)
- 20210325 (Thu.)
- 20210317 (Thu.)
- 20210225 (Thu.)
- 20210218 (Thu.)
- 20210204 (Thu.)
- 20210128 (Thu.)
- 20210121 (Thu.)
- 20210107 (Thu.)
- Past meeting
-
Agenda & Minutes
Agenda & Minutes
20211108 (Mon.)
- Agenda
- O3GK Glitch investigation
- Segment information for open data
- Progress of DQR
- Minutes
- GRB解析には影響はないが、土田さんに間違って時間が伝わっていた
20211101 (Mon.)
- Agenda
O3GK noise budget paper JGW-P2113405-v1
- hveto, O3GK glitches
- Info. for open data
- Progress of DQR
- Minutes
- Info. for open data
We should refer segments on DQSEGDB
- For GW searches: K1-SCIENCE_MODE, DET_FOR_GRB200415A
- We need to check [1270965983, 1270976372) and [1270976435, 1270976783).
- Info. for open data
20211025 (Mon.)
- Agenda
- Omicron glitches (40?, 120Hz)
DQR 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.
- ALS channels has some coincidence.
- Omicron glitches
20211011 (Mon.)
- Agenda
- site commissioning
- omicron/hveto analysis
- DQR
- Minutes
- site commissioning
MC OpLev glitches (klog#18518)
PLL resonance (klog#18466)
IX MN glitches vanished(?) (klog#17876)
- site commissioning
20210927 (Mon.)
- Agenda
- hveto analysis
- O4 commissioning
progress of DQR slide
- Minutes
- hveto
glitch rate was computed for O3GK paper JGW-D2113311
- Clustering (with 0.1s window) was performed on gwpy function
- O4 commissioning
- Commissioning is now pending and suspension health check is ongoing.
- hveto
20210906 (Mon.)
- Agenda
- hveto analysis
- O4 commissioning
- JPS meeting
- Minutes
- O4 commissioning
Turn on the clustering option of Omicron (k-log#18070)
periodic glitches are happening in ITMX (klog#17876)
These glitches seems to be correlated to IXV temperature (#17912)
To find the source of ITMX glitches, there is a investigation (#17980)
Update of summary page : Added ITMX signals for glitch pipeline (k-log#18112)
Implementation of GAS DC control for ITMX (k-log#18153)
- O4 commissioning
20210830 (Mon.)
- Agenda
- hveto analysis
- O4 commissioning
- O4 readiness
- Minutes
- hveto analysis
veto segment list will be shared. => Kihyun
- O4 commissioning
PLL noise (klog#18014)
periodic glitches are happening in ITMX (klog#17876)
MCi and MCo pitch strange behavior (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, gw status, 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
- #15 [Cont'd] State Vector Definition
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.
- hveto analysis
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. k-log k-log 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. k-log
- IMC commissioning is on-going
- f2f meeting
- Status talk of DAC/DET (28th Sat. 9:00~?)
=> Yamamoto
- Contribution talks
Pastavi development (poster) => Yuzurihara
Gaussianity search (poster) => Morisue
- Status talk of DAC/DET (28th Sat. 9:00~?)
- hveto analysis
20210816 (Mon.)
- Agenda
- hveto analysis
- O4 commissioning
- KAGRA readiness
- f2f meeting
- Minutes
- hveto analysis
- O4 commissioning
FNC instability (klog#17748, 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 (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, gw status, 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
- #15 [Cont'd] State Vector Definition
20210802 (Mon.)
- Agenda:
- 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.
- clustering test
- 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, gw status, 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
- #15 [Cont'd] State Vector Definition
- hveto analysis
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
- lvalert
- DET cluster
- no updates
- 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, gw status, 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
- hveto analysis
20210719 (Mon.)
- Agenda:
- hveto analysis
- O4 commissioning
- O4 readiness
- Minutes
- O4 commissioning
- IMC-XARM commissioning
FNC control saturation 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-
- IMC-XARM commissioning
- 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, gw status, 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(?)
- #15 [Cont'd] State Vector Definition
- O4 commissioning
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
- O4 commissioning
- no report
- O3GK paper
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
- 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 klog17188
[Ongoing] PLL also has glitches (maybe) due to electrostatic discharge. 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.
- IMC commissioning
- O3GK paper
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.
- 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 (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)
- Glitch trigger tabs are added.
- Loudest glitches can be seen on Pastavi (only internal ICRR network)
- IMC Commissioning
- O4 white paper
20210614 (Mon.)
- Agenda
- O3GK paper
- O4 whitepaper
O4 commissioning & preparation
- Minutes
- O3GK paper
- O4 white paper
- 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.
- We have now four frequency noise signal (IMC, PMC, PLL-X, PLL-Y)
- Updated PSL, PEM tabs.
- PLL signals are available.
- Updated PSL, PEM tabs.
- IMC Commissioning
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
O4 commissioning & preparation
- CAGMon development
- 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 (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
- no report
DetChar cluster
- no report
- CAGMon development
- O3GK paper
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, gw status, 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(?)
- #15 [Cont'd] State Vector Definition
- 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
- LVAlert
- O3GK paper
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.
- Current spectrum is too clean 1/f noise.
- sound correlation
Investigating sound correlation with three microphones. slide
- lvalert test
- no report
- DET cluster
- no report
- added for some IMC signals and it work well.
- MC circuit noise hunting
- White paper 2021
- O3GK paper
20210517 (Mon.)
- Agenda
- KAGRA O4 readiness
- LVK white paper 2021
- O3GK paper
- IMC commissioning
- Minutes
- KAGRA O4 readiness
- #15 [Cont'd] State Vector Definition
Responsible: T. Yamamoto ->
- #16 [Cont'd] DQSEGDB capability
Responsible: K. Kokeyama ->
#17 [Cont'd ] Status web pages (summary pages, gw status, gw istat)
Responsible: S. Oshino ->
- #18 [Cont'd] DQ event validation
Responsible: C. Kozakai ->
- #19 [Cont'd] GraceDB
Responsible: H. Tagoshi ->
- #20 [New] Segment production (merged with #16?)
- Responsible:
- #21 [New] Data Category (at least CAT1) production
- Responsible:
- #22 [New] RRT contribution
- #15 [Cont'd] State Vector Definition
- 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
- CAGMon development
- KAGRA O4 readiness
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
- no report
- lvalert
- no report
- DET cluster
- no report
- KIW
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
- O3GK analysis
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.
- Sound noise
- O3GK analysis
20210408 (Thu.)
- Agenda
- O3GK analysis
LV alert 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
- hveto re-analysis for a part of data was done.
- O3GK analysis
20210401 (Thu.)
- Agenda
- Progress of hveto analysis
DetChar cluster
- lvalert
- 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.
- 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.
- New slot of DET meeting.
- Announcement
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.
- Progress of hveto analysis
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.
- hveto cross-check
- 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.
- Kamioka cluster
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
- OS installation for master node was done.
- Omega-scan test
- Installation for Kashiwa cluster was done.
- Error is occurred on gwdatafind.
- LVAlert
- Progress of O3GK paper
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.
- 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.
- Progress of O3GK paper
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.
- DQ state vector (Yamamoto)
- Progress of O3GK paper
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)
- 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
- Report from Burst search
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
- Announcement
- Minutes
- Progress of O3GK paper
- Some difference between Kihyun's and Chihiro's results.
- hveto setting should be tuned on conf file and re-run again.
- GW search results will be provided 1-2 months later (?).
- CAGMon results
- O3 data replay
- LV requested the simulated data instead of O3GK data as KAGRA's data.
- Auxiliary channels which has realistic coherence, coincidence etc are not available.
- All multi-channel analyses cannot work well in such situation.
- We need more discussion how do we join O3 data replay.
- Progress of O3GK paper
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.
- Model update will be finished soon.
- Progress of O3GK analysis