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  * Expected Improvements compared with the previous ER   * Expected Improvements compared with the previous ER and OBS

ER200401~200407, OBS200407~200421

  • ER Time : From 2020/Apr/1(09:00) to 2020/Apr/7(09:00)

  • OBS Time : From 2020/Apr/7(17:00) to 2020/Apr/21(09:00)

  • Rough Schedule (time can be shifted by 1 or 2 hours according to the task progress and delay)

    Mar/29

    Commissioning

    Mar/30

    Commissioning

    Mar/31

    Commissioning, ADS, BPC, IMC angular control, etc

    Mar/31(pm5~)

    ER start

    Apr/01

    (am9-pm5) CAL Day 1, (rest time) ADS, BPC, IMC angular control, etc, (am1-am9) silent mode

    Apr/02

    (am9-am1) ADS, BPC, IMC angular control, etc, (am1-am9) silent mode for CAL2

    No JRPC meeting held, only LVEM call

    Apr/03

    (am9-am1) ADS, BPC, IMC angular control, etc, (am1-am9) silent mode for CAL2

    Apr/04

    (am9-am1) ADS, BPC, IMC angular control, etc, (am1-am9) silent mode for CAL2

    Apr/05

    (am9-am1) ADS, BPC, IMC angular control, FF adjustment, etc, (am1-am9) silent mode for CAL2

    Apr/06

    (am9-am1) Ocean Violence, (am1-am9) silent mode

    Apr/07(~am9)

    ER end

    Apr/07(am9-pm5)

    Maintenance for observation

    Apr/07(pm5~)

    Observation Start

    Apr/09

    During Observation

    If we got positive results, we hope to ask something about O3c in JRPC meeting

    Apr/16

    During Observation

    If we got positive results, we hope to ask something about O3c in JRPC meeting

    Apr/21(~am9)

    Observation End

    Apr/21(am9 ~ )

    Post Observation Activities : OMC noise injection and so on


For shifts for ER and OBS


Observation : Points to Remember

  • Basic
    • Any problems during Observation will be discussed by Miyoki, Yamamoto, Ito and related group (and SEO members) and we decide the directions. Please report these 3 persons and in "klog" if you notice any problems.
    • If we encounter violent ocean conditions, temporal down of IFO will be selected.
    • Daily morning meeting won't be held during Observation to avoid dense situation. Daily necessary information including from office staffs will be sent via e-mail during 9am-10am.
  • Issues
    • Shift Member Duty and Manual :
      • Basic monitoring and recording (by Miyakawa)
      • When should we try SAL (monkey) alignment ?
        • Manual (important check points)
      • How much IMC output power should be selected ?
    • Maintenance Day Activities (from CAL, DGS, FLC/SAF etc groups)
      • SAF/FCL: Weekly SAF/FCL check will be held in the morning on Tuesday (Furuta, Hayakawa, Yoshimura, Kamioka-mine company)
      • DGS:
      • CAL:
    • Restricted Remote Access (from T.Yamamoto)

      • We plan to stop the access to controls@k1gate again from 17:00 on 4/7.
      • If you face some emergency, please use your personal accounts in order to login DGS network.
      • I ask you to use these personal accounts only for a emergency response.
      • If you need remote access to know the site situation, subsystem status, etc as a daily check, please join to develop remote access tools such as SummaryPage, pastavi etc.

      • Unfortunately, some people probably used these accounts for daily monitoring not for a emergency response during previous run. But we need reliable observing data at least during the observing run.
    • Expected Improvements compared with the previous ER and OBS
      • Summary page reliability is enhanced ?
      • CAL injection reliability
      • SAL (monkey) Alignment reliability
      • Initial oplev (mirror alignment) condition at the starting point of relock process
      • ADS/BPC situation
      • IMC angular control
      • ISS stability
      • Expected kick at the unlock timing, and known annoying excitation of a suspension system..
      • Off load status for each suspension.


Post Observation Tasks : Items and necessary time

KAGRA/EngineeringRun/ER200401-0407 (last edited 2020-04-15 01:33:58 by HirotakaYuzurihara)