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Lessons learned with Altair @ Gemini

Lessons learned with Altair @ Gemini. Jean-Pierre V é ran – Herzberg Institute of Astrophysics Gemini ExAOC kick-off meeting – UCSC – June 7 th 2004. Altair (Gemini North Facility AO System). Altair and the rest of the Gemini Telescope. High level of vibrations from NIRI

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Lessons learned with Altair @ Gemini

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  1. Lessons learned with Altair @ Gemini Jean-Pierre Véran – Herzberg Institute of Astrophysics Gemini ExAOC kick-off meeting – UCSC – June 7th 2004

  2. Altair (Gemini North Facility AO System)

  3. Altair and the rest of the Gemini Telescope High level of vibrations from NIRI cryo-coolerscoupled to Altair through the ISS M2 6-fold symetry print-through DM reliable but electronics not so great and customer service poor Science-fold mirror vibrates No closed-loop active optics Lenslet array NIRI OIWFS not very useful Altair Lots of ICDs, not always correct

  4. Other findings • Problem with Gemini data network • Electronic environment fairly noisy • EPICS very useful for debugging (“stripTool”) • Temperature in Altair never very low • Very helpful support from day crew • Gemini AO group is strong but overwhelmed • Altair was shipped “early”

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