Agenda/Minutes of the VIS Meeting on 2020/8/7

2020/8/7 14:00 -

Zoom Meeting

Participants:

Progress report

General

Type-A

Type-B

• On Monday I submitted the paper to CPC: JGW-P2011860.

• Noise budget paper: I calculated upper limits to DAC and coil driver noise contribution to DARM for the BS: klog 14875.

Type-Bp

• Noise budget paper: Fabian calculated upper limits to DAC and coil driver noise contribution to DARM for PRM: klog 14876.

Type-C

Controls

Electronics

Towards O4

• KAGRA is in "Upgrade phase for O4". PreQua system was implemented to the Type-A.

• Confirmation of personnel at the site.
  • Type-A team: Takahashi, Sato, Miyo, + Company(Jan-Apr)
  • Type-B/Bp team: (Shoda,) Hirata, Fabian, Washimi, + Company(Oct-Dec)
• Procedure documents are required by SEO.

  • Type-A tower (https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5500)

  • Limit switches (https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11598)

  • Wire gluing in PR3 (by Shoda)
  • Filter height adjustment in Type-B (by Fabian)

cf. Post Obs. task (Request), Task for O3c (Plan, Sheet), Task towards O4 (List), Schedule towards O4 (Chart).

Safety

Discussion

Travel Plans

Next meeting

• On 2020/8/28(Fri)