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 * IFO, ETMs: Enomono, Ushiba
  * Michelson fringe was seen on DC and RF, but still mirror motion is too large.
  * Needs more work for damping for both ETMs, L2P of BS.
 * IFO, ETMs: *Izumi, Enomono

Minute of KAGRA commissioning meeting


  • Date: 2018/5/1 11AM~12PM
  • Attendance: Miyakawa, Kokeyama, Aso, Miyoki, Ushiba, Tomaru
    • eZuce: Suzuki, Uchiyama, Takahaashi, Ohashi


1. Operation

  • Going well.
  • Duty cycle is 80-90%.

2. Report of work of the last week and plan of work

  • IFO, ETMs: *Izumi, Enomono
  • DGS:
    • IO chassis of k1ioo was disconnected somehow. It is being checked now.
  • DAQ:
    • Recoding minute_raw of k1fw1 moved to SSD at k1tw1. All fw0,1 tw0,1 are working well without any gap on data.

2. Operation

  • Noise injection needs some preparations for speakers.
  • Schnupp asymmetry need some preparations.
  • Other plan seems to be ready.
  • CBC will perform an online analysis.

3. Tasks or discussions

  • 5/28 extend chief meeting for looking back phase 1.
  • GW alert: online alert in the control room might be prepared. -> Togoshi

Others

  • Laser power of oplev started dropping, specially lasers where are close to cryostat for year term.
  • Phase 1 summarize should talk wide range view.
    • Type A has double stable point.
    • Monitor for water level, and vacuum gage for weekend should be implemented.
    • Patrol light should be implemented soon, even manual one.
  • Next meeting: 4/24

KAGRA/Commissioning/Weekly/20180501/Minute (last edited 2018-05-01 11:49:04 by OsamuMiyakawa)