New tracker on the "Where is Webb" showing the individual primary mirror segment movements.

#jwst

jwst.nasa.gov/content/webbLa…
"The mirrors move in very small increments over the course of ~10 days to complete their deployment. They move approximately 1mm per day each."
"Each primary mirror segment has an ID which consists of a letter (A,B,C) followed by a number. The letter denotes one of 3 different 'prescriptions' for each group of primary mirror segments."
All Primary Mirror segments have moved 1mm except for A3 and A6.
So far actuators have moved 6.5mm. Halfway out of the stowed position.

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More from @giopagliari

16 Jan
Just some notes on "Cryogenic Nano-Actuator for JWST"

#jwst

PDF (2006):esmats.eu/amspapers/past… via @markmccaughrean

[Thread] 1/n
Location of actuators shown in the diagram Image
Actuators fixed to "Delta Frame". Mirror allowed to move relative to it. Actuators flex the mirror. Image
Read 14 tweets

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