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Detector Operation (Operations Report)
berni - 15:55 Saturday 22 November 2025 (68221) Print this report
Operator Report - Morning shift

ITF found in relocking phase, LN3 automatically reachead at 7:05 UTC.

At 7:09 UTC I set Calibration mode to run the requested calibration:

  • CALIBRATED_DF_DAILY
  • inject_lsc.py
  • inject_ssfs.py
  • inject_asc_tes.py

At 8:23 UTC ITF in Commissioning mode to run the requested ENV noise injections; the ITF unlocked at 9:25 UTC while performing acoustic noise injections at WE.

The ITF relocked at the first attempt without any manual intervention; Science mode was set at 10:10 UTC but it unlocked again at 10:33 UTC.

After some failed attempts the ITF was again in Science mode at 11:56 UTC.

At 12:24 UTC ITC in Commissioning mode to complete the ENV noise injections (script had been changed by Maria to restart from WE acoustic injectio); the ITF unfurtunately unlocked at 12:29 UTC. At this point it was decided to skip the ENV injections.

The ITF relocked again without any manual intervention and Science mode was set at 13:24 UTC.

ITF left in Science mode with Autoscience ON.

 

ENV

During the shift there were periods of high wind activity.

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Comments to this report:
Tringali, Berni - 17:09 Sunday 23 November 2025 (68224) Print this report

The only ENV injections performed are:

  • CEB, NEB, WEB far-field magnetic injections /virgoData/NoiseInjections/MagneticInjectionsO4/output/
    • MagneticSweep_NOISE_MAG_CEB-1447835755.txt
    • MagneticSweep_NOISE_MAG_NEB-1447836685.txt
    • MagneticSweep_NOISE_MAG_WEB-1447837335.txt
       
  • CEB, NEB acoustic injections /virgoData/NoiseInjections/AcousticInjectionsO4/output/ 
    • AcousticColored_NOISE_CEB_DetTerrace-1447837990.txt
    • AcousticColored_NOISE_NEB-1447838333.txt

The interferometer unlocked twice during the WEB acoustic injection.

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