• KAGRA
• Commissioning
• DailyWork
• 2019-02-22

2019/2/22(Fri.)

Weekend

• COM(only control ): Nakano, Guiguo

Schedule

• Yend

  • 1/25-2/20: Yend Pcal finalization

  • 2/25-3/4: Yend WAB
  • 3/6~ : Yend pumpdown 3/6~
    • 3/7,8: leak test
• Xend

  • 2/11-2/14: Xend NAB installation

  • 2/21: Removing FC, Payload release

  • 2/23-3/10: Xend Pcal finalization 1
    • Periscope installation
    • Beam position by IR and Green
  • 2/27: ETMX release
  • 3/5: ETMX aligned
  • 3/5-3/10: Xend Pcal finalization 2
  • 3/11,12 Xend WAB finalization
  • 3/19,20, Heatlink etc.
  • 3/22 Pumping down
    • Leak test
• 3/11~ : Night work starts
• 2/18-3/22 DRMI commissioning
• 3/11-4/5 Y arm commissioning
• 3/25-4/5 FPMI commissioning

Note

Report of work

• CRY: FC of ETMX was removed, and cryo payload was released.
• COM: Michelson was locked again!
  • Tried to lock PRMI, but PRM was not moving somehow. Actually PRMI was locked for 1 or 2 second.
  • SR3 got aligned and green reached to Y end.
  • SR2 was also aligned.
• Type B: SRM seems to be healthy.
• DGS: Dolphin connection for PRM and BS were done.

Work plan

• Type A: needs time for tuning of ITMX.