Diff for "KAGRA/Subgroups/PEM/Meeting/240329/Agenda"

Differences between revisions 1 and 2

Weekly PEM meeting

2024/03/29(Fri) 17:00-
Regular meeting
Zoom2 : https://zoom.us/j/6676627462

General announcement

Today is the final day for FY 2023, thank you for all member for your large contribution
SEO PEM budget 2024
- Maintenance
- Towards O5
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 3rd 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 Autum JPS meeting next time
JPS (online) 2024/3/18-21
- https://www.jps.or.jp/activities/meetings/spring/spring_index.php
  - Hoshino (Earthquake)
  - Miyamoto (weather)
  - Sato (Sound)
  - Takatani (Noise subtraction)
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
- Israel (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
- Yokozawa (4/13-21 Taiwan)

General issue

Interferometer recovery
- IMC (4/1 -4/12)
  - Pumping : 3/28-
  - Recovery
    - LSC
    - Suspension
    - Characterization
    - ASC
- Type-Bp
  - First contac trial
  - Wait next step (IR alignment after IMC closing)
- Type-A
  - Xarm pumping down (~4/15)
  - Yarm pumping down (Early May?)
  - IX
    - Oplev viewport cleaning
    - Height adjustment
    - Roll realignment
    - Earthquake check oplev path check ??
  - EX
    - Earthquake check oplev path check : Done
    - Health check : Ongoing
    - Window cleaning
  - EY
    - BF coil : Done
    - PF cabling : Planned
    - Roll alignment
    - Earthquake check oplev path check ??
  - IY
    - Mirror cleaning
- Green alignment recovery
  - Both GRX and GRY reached end
  - Found POP POS table for reflection beam from ETMs
- Pcal
  - X
    - Beam shift check : Done
    - Close EXA chamber next Wednesday
  - Y
    - After finalize X

出張PEM injection (planning form)

Jurnal paper issue

Details are here!

Micro seismic analysis (Hoshino)
- Submit to PTEP
- Overleaf
- http://arxiv.org/abs/2306.12437
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
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
- OMC vibration test
Yokozawa
- Strategy for reducing the acoustic noise

Place for memo

KAGRA/Subgroups/PEM/Meeting/240329/Agenda (last edited 2024-03-29 15:01:59 by TakaakiYokozawa)

-  ⇤ ← Revision 1 as of 2024-03-29 14:54:07 → 
  Size: 4647
  Editor: TakaakiYokozawa
  Comment:
+   ← Revision 2 as of 2024-03-29 15:01:59 → ⇥
  Size: 4667
  Editor: TakaakiYokozawa
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 2:
- * 2024/03/22(Fri) 17:00-
+ * 2024/03/29(Fri) 17:00-
 Line 7:
+ * Today is the final day for FY 2023, thank you for all member for your large contribution
-Line 64:
+Line 66:
-  * Yokozawa (3/27-29 Kashiwa)
-Line 70:
+Line 71:
-   * IMC
    * Plan
     * Final check : Done
     * vibration check, photo session : today planned
     * Closing : 3/25 - 
     * Pumping : 3/26-
+   * IMC (4/1 -4/12)
    * Pumping : 3/28-
    * Recovery
     * LSC
     * Suspension
     * Characterization
     * ASC
-Line 82:
+Line 84:
+    * Xarm pumping down (~4/15)
    * Yarm pumping down (Early May?)
-Line 84:
+Line 88:
+     * Height adjustment
-Line 89:
+Line 94:
-     * We found several viewport window cleaning
+     * Window cleaning
-Line 96:
+Line 101:
-     * Pick up the information
+     * Mirror cleaning
-Line 104:
+Line 109:
-     * Final check before closing chamber
+     * Beam shift check : Done
     * Close EXA chamber next Wednesday
-Line 107:
+Line 113:
-   * TCam
    * Photo taking with major : Done
    * Taking picture with GRX flash
    * End Y cleaning

  * Strategy for noise hunting
   * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=26848|klog26848]]
-Line 133:
+Line 131:
- * Snow monitor
  * Ongoing
  * First snow detected
+ * [Important] Strategy for reducing the effect of the acoustic noise
  * Discuss in Yokozawa part
-Line 178:
+Line 175:
-  *
+  * OMC vibration test
-Line 181:
+Line 178:
-  * TCam
+  * Strategy for reducing the acoustic noise