Reports until 13:51, Wednesday 17 May 2023
H1 ISC
jenne.driggers@LIGO.ORG - posted 13:51, Wednesday 17 May 2023 - last comment - 16:30, Thursday 18 May 2023(69703)
Noise subtraction off after Calib update

After the calibration update this morning, I need to retrain the NonSENS noise cleaning.  However, the NDS team is still in progress on understanding why we can't get past GDS-CALIB_STRAIN channels right now.  Once we can get that past data, I should be able to retrain.  Until then, the NOISE_EST is zeros, so GDS-CALIB_STRAIN_CLEAN will be the same as GDS-CALIB_STRAIN_NOLINES.

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jenne.driggers@LIGO.ORG - 17:32, Wednesday 17 May 2023 (69711)

This doesn't look like it'll get fixed tonight, as it may require a restart of the gstlal-calibration pipeline.  I've set the NOISE_CLEANING guardian to have a gain of 0 in the WHITENING_NOISE_EST channel, and accepted it as zero in both safe and observe.

This means that while this is true, GDS-CALIB_STRAIN_CLEAN will be the same as GDS-CALIB_STRAIN_NOLINES.

jenne.driggers@LIGO.ORG - 16:30, Thursday 18 May 2023 (69735)

After the newest calib fix and restart that fixed the nonsens subtraction channel (but didn't affect any other parts of the calib), I retrained the jitter subtraction (but not yet retrained the LSC subtraction).  The jitter subtraction should be running, and I've accepted the SDFs in both safe and observe.

See attached for the effect, including I've got a bit of noise re-injection that I didn't expect.

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