Long life feasibility study for the shuttle infrared telescope facility

Details Long life feasibility study for the shuttle infrared telescope facility Long life feasibility study for the shuttle infrared telescope facility

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985stin...8528893.&link_type=abstract

Unknown

Physics

Optics

Space Infrared Telescope Facility, Spaceborne Experiments, Spaceborne Telescopes, Spacelab Payloads, Cryogenic Cooling, Cryogenic Equipment, Hydrogen, Long Duration Space Flight, Solid Cryogen Cooling, Spacelab

Scientific paper

A study was conducted to assess the feasibility of designing an Infrared Telescope of the 1 meter class which would operate effectively as a Shuttleborne, 14-day Spacelab payload and then be adapted with little modification to work as a 6 month Space station or free flyer payload. The optics configuration and requirements from a previous study were used without modification. In addition, an enhancement to 2 year mission lengths was studied. The cryogenic system selected was a hybrid design with an internal solid Hydrogen tank at 8 Kelvin and an internal superfluid tank at 2K. In addition to the cryogenic design, a detailed look at secondary mirror actuators for chopping, focus and decenter was conducted and analysis and cryo test reported.

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