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 * O3GK Noise Budget paper [Washimi] : The paper writing team (Kokeyama, KYamamoto, Washimi) is writing the draft.
  * Seismic noise through Type-A tower : on going
    * This noise is evaluated by the TF (Shoda-san's simulation). -> Does it include the actual situation of GAS filters? -> Maybe "yes" (by Miyo-kun)
  * Type-A ctrl : on going
  * Type-B ctrl : almost written. Please check it.
  * Type-Bp ctrl : almost written. Please check it.
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 * Implemented the cabling for cryo-payload.
 * Assembled the connector cables for ACC.
 * Assembled the geophone pods for ITMY.
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Agenda/Minutes on 2021/1/29

Zoom Meeting

CRY+VIS Interface Meeting

13:30-

Participants:

Post O3 Upgrade portal

  • Schedule for IX: Connection is scheduled in the week of 2/8.
  • Schedule for IY: Disconnection was scheduled on 3/11.
  • Schedule for EX: Connection was scheduled in the week of 3/15.
  • Corrugate tube fixing jig: Re-measurement is planed in 2/28-3/2 at IYV.
  • Commissioning in vacuum:
  • Acceptance check: Cryo-payload in IX and Type-A tower in EY are on going.
  • Jig for FC painting: Under manufacturing.
  • PF actuator: by the end of January.

VIS Meeting

14:00-

Participants:

Progress report

General

  • O3GK Noise Budget paper [Washimi] : The paper writing team (Kokeyama, KYamamoto, Washimi) is writing the draft.
    • Seismic noise through Type-A tower : on going
      • This noise is evaluated by the TF (Shoda-san's simulation). -> Does it include the actual situation of GAS filters? -> Maybe "yes" (by Miyo-kun)

    • Type-A ctrl : on going
    • Type-B ctrl : almost written. Please check it.
    • Type-Bp ctrl : almost written. Please check it.

Type-A

  • Implemented the cabling for cryo-payload.
  • Assembled the connector cables for ACC.
  • Assembled the geophone pods for ITMY.

Type-B

Type-Bp

Type-C

Controls

Electronics

Towards O4

Safety

Discussion

  • Temperature setting around Type-B.

Travel Plans

The week from 2/1

  • Takahashi: 2/1-5
  • Sato: 2/1-5
  • Hirata: 2/1-5
  • Yano: 2/1-5

The week from 2/8

  • Takahashi: 2/8-12
  • Sato: 2/8-12
  • Hirata: 2/8-12
  • Yano: 2/8-12

Next meeting

  • On 2020/2/5(Fri)

KAGRA/Subgroups/VIS/VISMinutes20210129 (last edited 2021-01-29 20:30:04 by RyutaroTakahashi)