Took a calibration measurement as the first thing for comissioning this morning (since we missed our window over the weekend)
BB Start: 1437750930
BB End: 1437751248
Calibration Monitor Attached
notification: end of measurement
notification: end of test
diag> save /ligo/groups/cal/H1/measurements/PCALY2DARM_BB/PCALY2DARM_BB_20250728T151520Z.xml
/ligo/groups/cal/H1/measurements/PCALY2DARM_BB/PCALY2DARM_BB_20250728T151520Z.xml saved
diag> quit
EXIT KERNEL
2025-07-28 08:20:30,384 bb measurement complete.
2025-07-28 08:20:30,384 bb output: /ligo/groups/cal/H1/measurements/PCALY2DARM_BB/PCALY2DARM_BB_20250728T151520Z.xml
2025-07-28 08:20:30,384 all measurements complete.
This compares the broadband from last Thursday (blue reference) to today (red live).
Broadband Re-run (Part of comissioning)
Start: 1437759350
End: 1437759670
notification: end of measurement
notification: end of test
diag> save /ligo/groups/cal/H1/measurements/PCALY2DARM_BB/PCALY2DARM_BB_20250728T173540Z.xml
/ligo/groups/cal/H1/measurements/PCALY2DARM_BB/PCALY2DARM_BB_20250728T173540Z.xml saved
diag> quit
EXIT KERNEL
2025-07-28 10:40:51,396 bb measurement complete.
2025-07-28 10:40:51,396 bb output: /ligo/groups/cal/H1/measurements/PCALY2DARM_BB/PCALY2DARM_BB_20250728T173540Z.xml
2025-07-28 10:40:51,397 all measurements complete.
The second measurement Ibrahim has posted here was performed when we were at double ESD bias. We corrected the ETMX drivealign L2L gain so that kappa TST would be 1. Even with this adjustment, there appears to be some frequency dependent difference between the measurements.
