Observations of Neptunian rings by Voyager Photopolarimeter Experiment

The Voyager Photopolarimeter Experiment detected the Neptunian rings 1989N1R and possibly 1989N2R. These rings were also photographed by the Voyager imaging cameras in August 1989. The firm detection of 1989N1R has an equivalent depth (the product of the radial width and mean normal optical depth) o...

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Bibliographic Details
Published inGeophysical research letters Vol. 17; no. 10; pp. 1745 - 1748
Main Authors Horn, Linda J., Hui, John, Lane, Arthur L., Colwell, Joshua E.
Format Journal Article
LanguageEnglish
Published Legacy CDMS American Geophysical Union 01.09.1990
Subjects
Astronomy
Earth, ocean, space
Exact sciences and technology
Lunar And Planetary Exploration
Planets, their satellites and rings. Asteroids
Solar system
Neptune
Planetary ring
Data analysis
Statistical analysis
Space probe observation
Optical thickness
Occultation
Photopolarization
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Summary:The Voyager Photopolarimeter Experiment detected the Neptunian rings 1989N1R and possibly 1989N2R. These rings were also photographed by the Voyager imaging cameras in August 1989. The firm detection of 1989N1R has an equivalent depth (the product of the radial width and mean normal optical depth) of 0.77 + or - 0.13 km, while a less certain detection of 1989N2R has an equivalent depth of 0.7 km + or - 0.2 km. Several statistical techniques were used to search for additional material in the Neptune ring system, and none was identified at a high confidence level.
Bibliography:CDMS
Legacy CDMS
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0094-8276
1944-8007
DOI:10.1029/GL017i010p01745