A flight experiment entitled the Stellar Interferometer Tracking Experiment (SITE) is described. The objective of the program is to validate the operation of the primary detector of a space-based optical interferometric telescope and to evaluate how isolation, vibration suppression, and pathlength control enable and enhance instrument operation in the disturbance environment of the Shuttle payload bay. The minimum set of hardware that can perform stellar interferometry is described and the need for nanometer pathlength and arcsecond jitter control is shown. The justification for flight, the experimental benefits, and the applications to future space missions are presented. Results of previous ground experiments that demonstrate the required disturbance rejection are reviewed, and initial estimates of open-loop and required closed-loop performance of the flight experiment are presented.


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    Title :

    Stellar Interferometer Tracking experiment - A proposed technology demonstration experiment


    Contributors:

    Conference:

    IAF, International Astronautical Congress ; 1993 ; Graz, Austria


    Publication date :

    1993-10-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English





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