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Doppler experiments with Cassini radio system

  • Published:
Il Nuovo Cimento C

Summary

The proposedK a band link on the Cassini orbiter can be used for very accurate Doppler tracking. A two-wayK a band coherent link, near opposition, or more complex schemes involving theX-band link also, can virtually eliminate the noise due to interplanetary plasma, giving an accuracy Δf/f better than 10-15 for time scales of (103 ÷ 104) s. To achieve this accuracy, the other error sources, mainly the tropospheric delay and the clock stability, must be accurately controlled. This sensitivity will allow for the first time for a search for gravitational waves of reasonable amplitude.

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Authors and Affiliations

  1. Osservatorio Astrofisico di Arcetri, Firenze, Italia

    G. Comoretto

  2. Dipartimento di Fisica Nucleare e Teorica dell’Università, Pavia, Italia

    B. Bertotti

  3. Istituto di Fisica dello Spazio Interplanetario del CNR, Frascati, Italia

    L. Iess

  4. Istituto di Radioastronomia del CNR, Bologna, Italia

    R. Ambrosini

Authors
  1. G. Comoretto
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  2. B. Bertotti
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  3. L. Iess
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  4. R. Ambrosini
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Comoretto, G., Bertotti, B., Iess, L. et al. Doppler experiments with Cassini radio system. Nouv Cim C 15, 1193–1198 (1992). https://doi.org/10.1007/BF02506712

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  • DOI: https://doi.org/10.1007/BF02506712

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