= Minute of KAGRA commissioning meeting = ---- * Date: 2018/4/3 11AM~12PM * Attendance: Uchiyama, Kokeyama, Yokozawa, Aso, Izumi, Nakano * eZuce: Miyakawa, Yamamoto(Kazuhiro), Suzuki, Hirose, Yamamoto, Inoue, Ushiba, Shoda, Kimura, Miyoki, Tomaru ----- == 1. Report of work of the last week and plan of work == * IFO: Izumi * Beam from both X and Y end was confirmed at REFL port. * ETMs: Ushiba * ETMY damping mirror motion has been suppressed to ~1urad in yaw (Miyamoto). * ETMX has no heat link and is characterized without heat link. Heat link is connected on Thursday. * RT model * Cable connection is almost done. * Dolphin should be connected as soon as possible. It can stop all models connected Delphin. * BS model will be splitted and one of them will be down sampled to 4kHz. * Oplev: Ushiba * Test mas calibration was done. * Length oplev is not ready yet. * Marionette Oplev will be calibrated when door closed. * CAL: Yamamoto, Yokozawa * RT calibration using IMC as training of calibration will be tested soon. * Off line calibration using FIR filter won't be used in phase 1. * DAQ * k1tw0 is sometimes down as like other FWs. * SSD will be tested soon. == 2. IFO check list == * It will be prepared soon. == 3. Operation == * Please reply accommodation mail from Uchiyama-san. * Think for emergency. == 4. Tasks or discussions == * DAQ fix -> Miyakawa, Yamamoto * Selection of full channel -> DGS Yamamoto * Selection of science channel -> Commissioning Izumi * Screens at control room * Sensitivity. * PEM. * Needs laser safety information. * GW alert: online alert in the control room might be prepared. -> Togoshi == Others == * Dust monitor using sapphire disk will be implemented around 4/10. * 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. * Gardian of TYPE A must be implemented and tested. * Pump down meeting meeting at Fan hut: 12:30 at 4/5, 12:30 at 4/11 * Next meeting: 4/10