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HSC development in Taiwan

Learn about the development of the Hyper SuprimeCam (HSC) in Taiwan, including mechanical shutter and filter exchanger specifications. Explore the collaborations with Japan and promotion of partnerships in the Asian region. Find out about the major activities and milestones achieved by the Institute of Astronomy and Astrophysics (IAA) in this project.

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HSC development in Taiwan

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  1. HSC development in Taiwan Shiang-Yu Wang (王祥宇) Institute of Astronomy and Astrophysics Academia Sinica

  2. Background • Instrumentation capability is one of the major research topic in ASIAA • Development of WIRCAM in CFHT successfully finished in 2005 • Long term relationship with Japan • Promote collaborations in Asian region • Discussion with Subaru began in 2006

  3. Hyper SuprimeCam HSC fits IAA’s interests both in the science and technical sides

  4. Our Role in HSC • Mechanical Shutter • Filter exchanger • CCD emulator? • Optical and Mechanical components? Tight space and weight limits of the HSC makes it challenging

  5. Specifications for shutter • Time Repeatability : 1% • Time Accuracy : 0.01 s • Shortest exposure time : 1s • Maximum Speed : 800 mm/s • Operation Temperature : -10 to 10C • Weight ~25Kg • 15mm thickness at shutter body and 120mm diameter of the drums

  6. Major activities in IAA • Extract system design and specifications form Subaru last June • HSC team formed in IAA • ARL to be the major contractor for the two systems • Fabric material purchased for strength test • Regular meeting with ARL

  7. Aeronautical Research Lab. (ARL) • Government funded Military research laboratory • Major jet fighter development center in Taiwan • Long term collaboration on the SMA project with good partner spirit. • Main contractor carrying out the ALMA EA FEIC.

  8. Shutter design

  9. COVER SCREEN FRAME DRUM

  10. SHAFT SUPPORT MOTOR COUPLING

  11. ENCODER SHIELD SUPPORT ADAPTER SHUTTER DESIGN CONCEPT

  12. SHAFT RETAINER SUPPORT TORQUE METER HOUSING BEARING NUT & WASHER SUPPORT

  13. IDLE ROLLER CAM FOLLOWER FRAME RETAINER SNAP RING

  14. Shutter weight estimation

  15. Projected Milestones • Shutter components ready in March • Prototype of shutter system to be finished in May. • Detailed interface defined in May. • System fabrication starts in late 2008. • Ready for delivery in early 2010.

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