• KAGRA
• Commissioning
• DailyWork
• 2019-01-18

2019/1/18(Fri.)

Weekend

• Nakano, Enomoto, Yokozawa, Yokogawa, Tomaru, Ushiba Guiguo : Some work for Y arm alignment.

Transition from morning work (*:responsible person)

• If you open chamber or flange, you must put a label on the door/flange for "when/who" oped/closed door, and leave "current status".
• COMM: SR alignment will be proceeded in the middle or late of next week

Report of work (*:responsible person)

• IMC: ASC loop was closed. Lock lasted all the night.
• COMM: Beam is hitting on the center of PR2.
• PR2: We saw the big pitch difference on Oplev as before.
• ITMY : IP matrix tuning was done.
  • Needs more time for damping. ITMY will be ready next week for SR alignment.
• MIR: Yokozawa, Kimura, Tomaru checked the surface of ETMY mirror. It was found that the surface was very dirty by eye and Tcam.
  • It is not sure for the cleaning.
• WAB ETMX: Completed and moved in the safe mode. Needs a small remaining work for ITMY.

Work plan (*:responsible person)

• PR2 and PR3: we will open doors.
• Type B: needs tuning for BS frequency. GEO phone is something wrong.
• DGS: X end rack maintenance will finish this Friday or beginning of next week.