Computer Science
Scientific paper
Jul 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986sci...233...85n&link_type=abstract
Science (ISSN 0036-8075), vol. 233, July 4, 1986, p. 85-89. BMFT-supported research.
Computer Science
159
Planetary Magnetic Fields, Uranus (Planet), Voyager 2 Spacecraft, Bow Waves, Dipole Moments, Magnetopause, Planetary Magnetospheres, Planetary Rotation, Uranus Satellites
Scientific paper
The conclusions drawn regarding the structure, behavior and composition of the Uranian magnetic field and magnetosphere as revealed by Voyager 2 data are summarized. The planet had a bipolar magnetotail and a bow shock wave which was observed 23.7 Uranus radii (UR) upstream and a magnetopause at 18.0 UR. The magnetic field observed can be represented by a dipole offset from the planet by 0.3 UR. The field vector and the planetary angular momentum vector formed a 60 deg angle, permitting Uranus to be categorized as an oblique rotator, with auroral zones occurring far from the rotation axis polar zones. The surface magnetic field was estimated to lie between 0.1-1.1 gauss. Both the field and the magnetotail rotated around the planet-sun line in a period of about 17.29 hr. Since the ring system is embedded within the magnetosphere, it is expected that the rings are significant absorbers of radiation belt particles.
Acuña Mario Humberto
Behannon Kenneth W.
Burlaga Leonard Francis
Connerney Jack E. P.
Lepping Ronald P.
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