A microprocessor controlled star-tracker (STT) using a charge coupled device (CCD) as a detector has been developed for the purpose of being applied to attitude determination and control of a scientific satellite. The STT, with the field of view (FOV) of 8 deg x 6 deg, can detect and track a star as dim as 5.7th magnitude with accuracy of better than half an arc-minute. A pair of the STTs are aboard the X-ray astronomy satellite ASTRO-C that was launched on February 5, 1987. In this paper, the STT design, and its sensitivity and accuracy analysis are described. Preliminary in-flight results are also presented.


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    Title :

    CCD star trecker for scientific satellites


    Additional title:

    CCD-Sternnachlaufgeraet fuer Forschungssatelliten


    Contributors:
    Ninomiya, K. (author) / Hirokawa, E. (author) / Marata, K. (author) / Muranaka, N. (author) / Yokota, T. (author) / Hamada, A. (author)

    Published in:

    Publication date :

    1988


    Size :

    9 Seiten, 14 Bilder


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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