Journal article
First plasma wave observations of Uranus
Science (American Association for the Advancement of Science), Vol.233(4759), pp.106-109
07/04/1986
DOI: 10.1126/science.233.4759.106
PMID: 17812899
Abstract
Plasma wave data collected by instrumentation on Voyager 2 as it passed Uranus magnetosphere are discussed. Radio signals at 31.1 and 56.2 kHz were detected 5 days from closest approach and were buried in a burst of electrostatic noise as the spacecraft crossed the bow shock 10 hr before closest approach. The noise arose from electrons escaping the bow shock into the solar wind. Electric field intensities downstream of the shock were reduced, a situation similar to those observed around Saturn and Jupiter. Whistler-mode hiss and chorus emissions were prominent within the magnetosphere at less than 8 Uranus radii, a region where particle detectors registered intense energetic electron fluxes. Also, micron-sized particle impacts at a rate of 30-50 impacts/sec occurred when passing through the ring plane. The duration of the micro-impact phase was sufficient to estimate the ring thickness as about 4000 km.
Details
- Title: Subtitle
- First plasma wave observations of Uranus
- Creators
- D. A. Gurnett - University of IowaW. S. Kurth - University of IowaF. L. Scarf - TRW, IncR. L. Poynter - Jet Propulsion Laboratory
- Resource Type
- Journal article
- Publication Details
- Science (American Association for the Advancement of Science), Vol.233(4759), pp.106-109
- DOI
- 10.1126/science.233.4759.106
- PMID
- 17812899
- ISSN
- 0036-8075
- eISSN
- 1095-9203
- Language
- English
- Date published
- 07/04/1986
- Description audience
- PUBLIC
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984455282902771
Metrics
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