Weekly PEM meeting
- 2024/04/26(Fri) 18:00-
- Regular meeting
Zoom2 : https://zoom.us/j/6676627462
General announcement
- 2024年度もよろしくお願いします。
- もうしばらくはKAGRA recovery meetingが伸びる可能性がありますので18:00-開催に変更していただく可能性があります。
- 祝日ですが、5/6にVirgo memberとVK PEM meeting開催予定です。またご連絡いたします。
- SEO PEM budget 2024
- 285 man yen
- Several Virgo ENV member have some plan to visit KAGRA about 1 month
- One month Aug. - Dec.
- They are also thinking about visiting LIGO
- KAGRA would still be commissioning phase
- Plan
- Noise hunting (PEM injection)
- Magnetic injection
- Additional NN measurement
- Other
- Authorlist 2024
- If you have an opinion, please let us know.
- O4b
- ER16 20th Mar.
- O4b 10th Apr.
- 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
- Please reserve the hotel in Hokkaido if you plan to join the Autumn JPS meeting next time
- KIW11
- Taiwan (2024/04/16-20)
- Yokozawa : Exploring the Mesoscale Meteorology on the KAGRA Gravitational Wave Detector
- Washimi : Earthquake Effects on KAGRA
- 4/19 afternoon meeting with deepclean member
- GWADW
- Australia (2024/05/12-18)
- GWPAW
- England (2024/05/27-31)
Other meetings url
If you have some presentation about PEM related, please contact to me.
Business travel
- To Kamioka
- None
- From Kamioka
- None
General issue
- Interferometer recovery
- IMC Recovery : Done (Similar situation around O4a)
- Plan to have a hammering test toward future blasting
- Type-Bp
- First contac trial
- Type-A
- IX : One leak found and re-pumping down ongoing
- EX : Pumping down ongoing
- IY : Started the pumping down
- EY : Need more investigation aboud liquid at EYA and photo sensor at EYC
- OMC vibration
- Need to treat something for stacks of OMC chamber
- Discussed in the recovery meeting
- IR/GR alignment recovery : Ongoing
出張PEM injection (planning form)
Jurnal paper issue
- Micro seismic analysis (Hoshino)
- Submit to PTEP
- Acoustic reverberation time paper (Washimi+, Sato?)
- Suspend
- Re-measurement before O4?
Preparation for O4b
- [Important] Strategy for reducing the effect of the acoustic noise
- Discuss in Yokozawa part
- 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
- Sato
- Sound source analysis
- Kume
PR3 line injection klog25670
- Noise subtraction
- Nishizawa
- Water newtonian noise
- Magnetic field analysis
- Washimi
- OMC vibration test
- Yokozawa
- Strategy for reducing the acoustic noise