The design, calibration, and testing of a photometer to be used in an airborne telescope is described. A description of the cryogenics of the photometer is given, and photographs and blueprints of the photometer are included. The photometer is designed with a focal plane beam switching system so that the airplane telescope can be used in a normal optical mode at the bent Cassegrain focus and with the photometer operating in the pressurized cabin of the airplane. The concept was to produce a system which could be used in almost the same manner as ground based infrared photometers and dewars of the O'Brien Observatory at the University of Minnesota.


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    Title :

    Photometer Dewar System for NASA C141 Airborne Telescope (Kuiper Flying Observatory)


    Contributors:
    E. P. Ney (author)

    Publication date :

    1974


    Size :

    37 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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