A focusing effect, the evolute flash, on Jupiter was sought in radio data obtained by Voyager 1 using a modified matched-filter technique. Several peaks at the 8 standard deviation level were present in the filter output, although they were separated by times up to 3.3 s and could not be identified as the flash. A lower bound on the absorption along a ray with periapsis near the 4 bar level was established at 25 dB. It is estimated that the flash would have been detected if the distance behind the planet where the spacecraft trajectory crossed the evolute were at least 20 Jupiter radii, as compared to near 7 radii in the experiment.


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    Title :

    A search for the radio occultation flash at Jupiter


    Contributors:


    Publication date :

    1981-09-30


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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