No evidence of rings around Neptune

J. L. Elliot, D. J. Mink, J. H. Elias, R. L. Baron, E. Dunham, J. E. Pingree, R. G. French, W. Liller, P. D. Nicholson, T. J. Jones, O. G. Franz

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Observations of two stellar occultations by Neptune were used to search for possible equatorial and polar rings. No ring occultation events were identified, and an upper limit of 0.07 can be placed on the optical depth of any equatorial rings greater than 5 km wide with radii greater than 31,400 km. Any ring system of Neptune must be much less extensive than the ring systems of Uranus and Saturn, but a jovian-type ring of low optical depth would have escaped detection by our search.

Original languageEnglish (US)
Pages (from-to)526-529
Number of pages4
JournalNature
Volume294
Issue number5841
DOIs
StatePublished - 1981

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