Reports until 12:50, Monday 30 October 2023
H1 AOS
camilla.compton@LIGO.ORG - posted 12:50, Monday 30 October 2023 - last comment - 15:17, Monday 30 October 2023(73843)
Lockloss at 19:42UTC

After IFO in NLN for 9h14. 1382730139.

No obvious reason why, no 73818 DARM glitches before this lockloss. Secondary useism is high at 0.40 μm/s.

Comments related to this report
camilla.compton@LIGO.ORG - 15:17, Monday 30 October 2023 (73846)

We having large temperature swings at EY 73835 that could effect the IFO. 

Started Initial Alignment at 20:16UTC after loosing lock and LOCKING_ALS ~ 4 times, even after waiting at LOCKING_ARMS_GREEN a little longer for green arms signals to converge (tip from Ryan C).

This lock has the CARM gain back to 6dB 73844. Also ITMY mode 5 and 8 gains to zero while new damping settings are finalized 73845. Loaded h1lsc coeff for new MICHFF filter 73821.

IA finished at 20:38UTC, NLN at 21:22 UTC, currently doing some SQZ commissioning.