|
⇤ ← Revision 1 as of 2024-01-12 08:28:26
Size: 6231
Comment:
|
← Revision 2 as of 2024-01-12 08:38:17 ⇥
Size: 5059
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 2: | Line 2: |
| * 2024/01/05(Fri) 17:00- | * 2024/01/12(Fri) 17:00- |
| Line 68: | Line 68: |
| * Instruments and facility : no serious damage * IMC alignment : need more investigation * Alignment of Type-C suspension |
* IMC : Need open in near future * Suspension health check, vacuum check, and so on * Other suspensions: * Type-C : IMMT1,2 OMMT1,2, OSTM health check ongoing * TYpe-Bp : Serious drift, check one by one, there are possibility to open the whole area * Type-B : No serious damage achieve LOCK_ACQUISITION, start health check soon * Type-A : Several drifting in MN oplev when we align with TM, but achive LOCK_AQCUISITION |
| Line 76: | Line 80: |
| * 120 K | * 98 K |
| Line 81: | Line 85: |
| * Interferometer operation * PRFPMI DC readout Succeeded * Need to reuducing the DARM RMS to be stable operation * 10 Hz noise hunting * Current sensitivity curve around 10 Hz is worse compared from O4a (Similar level of O3GK) * Some coherence with voltage monitor * Q value measurement * Mirror Q value measurement at IX, EX, EY * Current summary : [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15445|JGWDoc15445]] * Suspension (violin) Q value measurement * New IP control * Ongoing |
|
| Line 121: | Line 110: |
| * First snow detected | |
| Line 164: | Line 154: |
| * Automation of the Schumann resonance monitoring | |
| Line 166: | Line 155: |
| * Seismometers : saturated (https://klog.icrr.u-tokyo.ac.jp/osl/?r=28153) * Accelerometers : Clearly obsurved (https://klog.icrr.u-tokyo.ac.jp/osl/?r=28155) * Infrasound/Microphones : Tsunami signal was detected at Mozumi outside. Underground microphoned alse detected ~10Hz signal. (https://klog.icrr.u-tokyo.ac.jp/osl/?r=28151) * Magnetometers : Glithces at the CS and X-end, but not in the Y-end. (https://klog.icrr.u-tokyo.ac.jp/osl/?r=28179) * Voltagemeters : DV level of the GND voltage was changed. (https://klog.icrr.u-tokyo.ac.jp/osl/?r=28175) * Water fluid : Total amount though the Y-end was increased. (https://klog.icrr.u-tokyo.ac.jp/osl/?r=28159) * Room temperature : No serious behavers. (https://klog.icrr.u-tokyo.ac.jp/osl/?r=28154) * Vacuum pressure : EY was getting a little bit worse, but comming back now.(https://klog.icrr.u-tokyo.ac.jp/osl/?r=28147) |
|
| Line 176: | Line 157: |
| * Recovery of suspensions |
Weekly PEM meeting
- 2024/01/12(Fri) 17:00-
- Regular meeting
Zoom2 : https://zoom.us/j/6676627462
General announcement
- 新年明けましておめでとうございます。
- 2024年もよろしくお願いします。
- Kamioka visiting plan
- Yokozawa and Washimi-san have several budgets (共同利用)
- So we want to call not only PEM members but also KAGRA members who are interested in onsite.
- If you want to visit Kamioka, please contact Yokozawa
Hoshino & Sato will stai Kamioka on February (3weeks?)
- Yokozawa and Washimi-san have several budgets (共同利用)
- O4b
- Break : mid-January - mid-March, 2024
- Virgo : will join in March
- KAGRA : Three-month observation around here
- O4a noise budget paper
- If you have a plan to write the paper using O4a data and PEM, please let me know.
Meeting and Conference issue
- VK PEM meeting (Postponed)
- 2024/01/18(Thu) 19:00-(JST), 10:00-(UTC), 11:00- (CET)
- LBGT@Yokokoku
- workshop of underground experiments
- Washimi will have a presentation of rain, snow, underground water
- Miyamoto-kun will have a poster presentation.
- JPS (online) 2024/3/18-21
https://www.jps.or.jp/activities/meetings/spring/spring_index.php
- 一般講演申込（※早期参加登録/概要集申込、原稿送信含む）
- Hoshino (Earthquake)
- Miyamoto (weather)
- Sato (Sound)
- Takatani (Noise subtraction)
- UGAP2024 @ Tohoku U 2024/3/4~6
- international conference of underground experiments
- Washimi will have a presentation of lightnings and thunders
- 第4回新学術「地下宇宙」若手研究会 @ Tohoku U 2024/3/7~8
Other meetings url
If you have some presentation about PEM related, please contact to me.
Business travel (except for conferences)
- To Kamioka
- Hoshino (February?)
- Sato (Febryary?)
- From Kamioka
- No plan
General issue
- Effect of earthquake
- Noto earthquake at 1/1
- IMC : Need open in near future
- Suspension health check, vacuum check, and so on
- Other suspensions:
- Type-C : IMMT1,2 OMMT1,2, OSTM health check ongoing
- TYpe-Bp : Serious drift, check one by one, there are possibility to open the whole area
- Type-B : No serious damage achieve LOCK_ACQUISITION, start health check soon
- Type-A : Several drifting in MN oplev when we align with TM, but achive LOCK_AQCUISITION
- Cooling down
- IX,EX,EY : Radiation shield cooling down : 84-88 K
- EY : Started the cooling down duct shield
- 98 K
Temperature change url
- After starting the cooling down after measuring the Q-value of sapphire fiber
- Strategy for noise hunting
出張PEM injection (planning form)
Jurnal paper issue
- Micro seismic analysis (Hoshino)
- Submited to Physica Scripta
- Acoustic reverberation time paper (Washimi+, Sato?)
- Suspend
- Re-measurement before O4?
- TCam paper
- Writing ongoing
Preparation for O4b
- Snow monitor
- Ongoing
- First snow detected
- PEM installation
- Waiting the timing of TMSX and TMSY
- Evaluation of newtonian noise
- Anoop and Washimi
- Investigation of the PEM injection
- Magnetic injection
- Voltmeter preparation
- AC power monitor installation
- DC power monitor installation
Progress report
- Yuzurihara
- Pastavi
Data Quality Report slide
- Data quality evaluation
- Hoshino
- Seismic motion analysis
- Sato
- Sound source analysis
- Miyamoto
- Weather analysis
- Takatani
- Noise subtraction with machine learning
- Kume
PR3 line injection klog25670
- Noise subtraction
- Nishizawa
- Water newtonian noise
- Magnetic field analysis
- Washimi
- Snow monitor
- Signals from the Noto earthquake and tsunami
- Yokozawa
- Recovery of suspensions
- Noise budget in current IFO