Reports until 10:48, Monday 02 June 2025
H1 TCS (ISC)
camilla.compton@LIGO.ORG - posted 10:48, Monday 02 June 2025 - last comment - 16:57, Monday 02 June 2025(84716)
No new Point Absorbsers since the Vent

TJ, Camilla, Checking as Sheila was concerned about this as Georgia/Craig need to move the ITMX SPOT GAIN "CENTER" 84702.

Attached are the HWS Live plots comparing when we get to 10W and 120s later for ITMX and ITMY now. And also for ITMX and ITMY at our last 10W power up before the vent (note that then we don't pause at 10W and continue increasing power during the 120s). 

Can see no obvious new point absorbers, ITMY looks perfect and ITMX has the same point absorbers as before, it;s possible there's a new point absorber on the right of the optics (orange arrow in attached) but it doesn't look scary. We will continue to check this but it's possible that our alignment has just changed (has since 66198) so that we can now see this point.

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camilla.compton@LIGO.ORG - 16:57, Monday 02 June 2025 (84727)ISC

Sheila and Elenna turned the CO2s on as we were powering up from 10W to 25W. Attached is the 2 minutes after CO2s were turned on while we were sat at 15W for 4 minutes.

Can see the CO2 patterns of ITMX and ITMY.   IY CO2 looks good but IX CO2 it looks off in YAW, we should check how this compares to the IFO spot at full power. It would be worth doing some dither tests to see if this needs adjusting.

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