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Telescope Operations Update

Learn about the current status of telescope operations, including potential issues and future plans. Discover the expected modifications and commissioning of new instruments. Explore the challenges faced and ways to improve the telescope.

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Telescope Operations Update

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  1. 望遠鏡の運用状況 友野大悟 <tomono at subaru.naoj.org>

  2. CAUTION Telescope is becoming unstable

  3. Agenda • Unstable operation due to • Age of mechanics and electronics • Increased work load for new instruments • What to expect in coming years • Modification of telescope in summer 2010 • Commissioning of HSC in summer 2011 • Replacement for the space of AO36?

  4. Old mechanisms and electronics • Troubles on POpt AGSH Probe X axis • Problem on acquisition of star on NsIR AG • Image rotator? • Pointing error due to azimuth rail? • Instability of Time Code Generator • Old hardware for TWSs • etc

  5. Work load from STN3 • Less reliable connection from home for night support • Change of URLs • .sum.naoj.org • .subaru.nao.ac.jp • @subaru.naoj.org • Lost documents • Transferring data from STARS

  6. Work load from HSC • Unexpected increase of work load from around June 2008 • Detailed technical questions to overcome limits in weight, size, and cost • Required to manage tasks that will be done by engineers in Hilo and Mitaka, with coordinating with those done by the contractor

  7. What to expect in FY2009-2011 • Modification of telescope in summer 2010 • a couple of months of down time • Commissioning of HSC in summer 2011 • a few months of down time • Schedule and work items are still under study • Earlier work on top unit exchanger?

  8. What to expect in FY2009-2011 • Replacement for the space of AO36? • Electronics and optics for AO36 will be removed from the telescope in a couple of years • The AO layer above Cassegrain focus is a good place for e.g. • Better AG • Any suggestions for replacement subsystems are welcome!

  9. Summary - our apologize, but ... • Please expect more down time in the coming years despite the hard working engineers and technicians due to • Troubles • Longer lead time from additional work loads • Work items in coming years are to be studied • Ideas to replace AO36 are welcome

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