Reports until 08:49, Friday 10 May 2024
H1 General (SQZ)
ryan.short@LIGO.ORG - posted 08:49, Friday 10 May 2024 - last comment - 10:17, Friday 10 May 2024(77755)
H1 Out of Observing for SQZ Fixes

H1 was out of observing from 14:53 to 15:36 UTC to fix some issues with the SQZ system as we were seeing last night.

After Sheila adjusted the fiber polarization (alog77754), I reverted Corey's changes to the SQZ Guardians' nominal states (listed in his alog77740), then optimized the SQZ angle by running SQZ_MANAGER through 'SCAN_ALIGNMENT_FDS' and 'SCAN_SQZANG,' increasing BNS range by ~10Mpc.

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ryan.short@LIGO.ORG - 10:17, Friday 10 May 2024 (77761)

After optimizing the SQZ angle, I accepted SDF diffs for alignment changes of ZM4 and ZM6 (screenshot attached).

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