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Magnetospheric charge-exchange effect on the electroglow of Uranus

Abstract

One common feature of the magnetospheric systems of the outer planets explored by the Pioneer 10 and 11 and the Voyager 1 and 2 spacecraft is that extended distributions of neutral gas of planetary exospheric origin and/or of satellites–rings origin coexist with the magnetospheric plasma. This property invariably leads to the occurrence of charge-exchange loss of the charged particles in the inner magnetospheres of Jupiter, Saturn and Uranus. With emphasis on the Uranian system I examine here the idea that the injection of the recombined fast neutrals into the planetary upper atmosphere might be contributing in part to the generation of the dayside electroglow. The recent results from the Voyager 2 encounter also permit the idea that the associated impact ionization effect could be important in maintaining the nightside ionosphere.

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References

  1. Stone, E. C. & Miner, E. D. Science 233, 39–43 (1986).

    Article  ADS  CAS  Google Scholar 

  2. Ness, N. F. et al. Science 233, 85–89 (1986).

    Article  ADS  CAS  Google Scholar 

  3. Bridge, H. S. et al. Science 233, 89–93 (1986).

    Article  ADS  CAS  Google Scholar 

  4. Krimigis, S. M. et al. Science 233, 97–102 (1986).

    Article  ADS  CAS  Google Scholar 

  5. Vasyliunas, V. M. Geophys. Res. Lett. 13, 621–623 (1986).

    Article  ADS  Google Scholar 

  6. Selesnick, R. S. & Richardson, J. D. Geophys. Res. Lett. 13, 624–627 (1986).

    Article  ADS  Google Scholar 

  7. Brice, N. M. & Ioannidis, G. A. Icarus 13, 173–183 (1970).

    Article  ADS  Google Scholar 

  8. Brice, N. M. J. geophys. Res. 72, 5193–5211 (1967).

    Article  ADS  Google Scholar 

  9. Warwick, J. W. et al. Science 233, 102–106 (1986).

    Article  ADS  CAS  Google Scholar 

  10. Shemansky, D. E. & Smith, G. R. Geophys. Res. Lett. 13, 2 (1986).

    Article  ADS  CAS  Google Scholar 

  11. Broadfoot, A. L. et al. Science 233, 74–79 (1986).

    Article  ADS  CAS  Google Scholar 

  12. Clarke, J. T. et al. J. geophys. Res. (in the press).

  13. Yelle, R. V., Sandel, B. R., Shemansky, D. E. & Kumar, S. J. geophys. Res. 91, 8756–8770 (1986).

    Article  ADS  CAS  Google Scholar 

  14. Fillius, W., Ip, W.-H. & Mcllwain, C. E. Science 207, 425–431 (1980).

    Article  ADS  CAS  Google Scholar 

  15. Broadfoot, A. L. et al. Science 212, 206–211 (1981).

    Article  ADS  CAS  Google Scholar 

  16. Ip, W-H. in Planetary Rings (ed. Brahic, A.) 575–596 (Cepadues-Editions, Toulouse, 1984).

  17. Tinsley, B. A. J. atmos. terr. Phys. 42, 227 (1981).

    Google Scholar 

  18. Prag, A. B., Morse, F. A. & McNeal, R. J. J. geophys. Res. 71, 3141–3154 (1966).

    Article  ADS  CAS  Google Scholar 

  19. Prölss, G. W. Ann. Geophys. 29, 503–508 (1973).

    Google Scholar 

  20. Rees, M. H. Planet. Space Sci. 30, 463–472 (1982).

    Article  ADS  CAS  Google Scholar 

  21. Zarka, P. & Pedersen, B. M. Nature 323, 605–608 (1986).

    Article  ADS  Google Scholar 

  22. Lyons, L. R. & Richmond, A. D. J. geophys. Res. 83, 2201–2204 (1978).

    Article  ADS  CAS  Google Scholar 

Download references

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Ip, W. Magnetospheric charge-exchange effect on the electroglow of Uranus. Nature 326, 775–777 (1987). https://doi.org/10.1038/326775a0

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