Abstract
THE hypothesis that Jupiter's decameter radio sources may have a constant period has been widely accepted since its initial independent suggestion by Gallet1 and by Burke2. Estimates of this period have been made by many observers1–8, and no significant departures from the adopted mean period (System III (1957.0)—9h 55m 29.37s) have been established. Upper limits of ± 2s to yearly fluctuations and of ± 1s to slow secular changes over an eleven-year period, 1950–61, were set by Douglas7,8 and Douglas and Smith9. The apparent constancy of the rotation period, together with a constant difference in longitude between the three apparent activity regions, has supported the hypothesis that the radio sources are related to the non-gaseous body of the planet, perhaps through Jupiter's magnetic field.
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 51 print issues and online access
$199.00 per year
only $3.90 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
Similar content being viewed by others
References
Gallet, R., Trans. Inst. Rad. Eng., on Antennas and Propagation (Astrophys., 5, 327, 1957).
Burke, B. F., Carnegie Inst. Wash. Yearbook, No. 56, 90 (1957).
Shain, C. A., Austral. J. Phys., 9, 61 (1956).
Carr, T. D., Smith, A. G., Pepple, R., and Barrow, C. H., Astrophys. J., 127, 274 (1958).
Franklin, K. L., and Burke, B. F., J. Geophys. Res., 63, 807 (1958).
Gardner, F. F., and Shain, C. A., Austral. J. Phys., 11, 55 (1958).
Douglas, J. N., thesis, Yale University (1960).
Douglas, J. N., Astron. J., 67, 574 (Abst.) (1962).
Douglas, J. N., and Smith, H. J., La Physique des Planètes, Mem. Soc. Roy. Sci. Liège (1963).
Hide, R., Nature, 190, 895 (1961); Physique des Planètes, Mem. Soc. Roy. Sci. Liège, 481 (1963).
Gallet, R., Planets and Satellites, edit. by Kuiper, G., and Middlehurst, B., Univ. of Chicago Press, Chicago (1961).
Field, G. B. (private communication).
Carr, T. D., Smith, A. G., Bollhagen, H., Six, jun., N. F., and Chatterton, N. E., Astrophys. J., 134, 105 (1961).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
DOUGLAS, J., SMITH, H. Change in Rotation Period of Jupiter's Decameter Radio Sources. Nature 199, 1080–1081 (1963). https://doi.org/10.1038/1991080b0
Issue Date:
DOI: https://doi.org/10.1038/1991080b0
Comments
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.