• KAGRA
• Commissioning
• DailyWork
• 2018-05-01

2018/5/1(Tue.)

* Remote participants by eZuce: None * 4th day of Phase 1 operation

• TF of ETMX

• Operation wiki page

Report of work (*:responsible person)

• IFO: *Izumi, Enomoto + many
  • DAC on PR3: Yamamoto
    • PR3 DAC was dead. Reboot of k1pr3 fixed, but we are not sure the cause.
    • lock lost was ~100min, including guardian misrecording.
    • DAQ was dead 2-3min.
  • Noise budged: *Tanioka, Izumi, Enomono
    • PR2 oplev loop was improved, and MICH noise around 10-20Hz was improved.
    • 100Hz noise seems to be dominated by beam position of BS or ETMY.
• TF of BS was well done.
• CBC injection was well done.
• DGS: *Miyakawa
  • Timing signal was connected k1iy0 on Sunday, it requires a reboot of RT PC of k1iy0 once.

Work plan (*:responsible person)

• TF of Type A: Okutomi, Miyamoto

Laser hazard

• [AM]
  • IR: Upstream SR2-3 line, Xend 1F, Yend 1F
  • Green: PR2, Xend 1F
• [PM]
  • IR: Upstream SR2-3 line, Xend 1F, Yend 1F
  • Green: PR2, Xend 1F
• [night]
  • IR: Upstream SR2-3 line, Xend 1F, Yend 1F
  • Green: PR2, Xend 1F

Weekly

• week of 4/30
  • Operation continues.

Issues