Published September 1990
| Published
Journal Article
Open
Plasma Convection in Neptune's Magnetosphere
- Creators
- Selesnick, R. S.
Chicago
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Abstract
The magnetosphere of Neptune changes its magnetic configuration continuously as the planet rotates, leading to a strong modulation of the convection electric field. Even though the corotation speed is considerably larger, the modulation causes the small convection speed to have a cumulative effect, much like the acceleration of particles in a cyclotron. A model calculation shows that plasma on one side of the planet convects out of the magnetosphere in a few planetary rotations, while on the other side it convects slowly planetward. The observation of nitrogen ions from a Triton plasma torus may provide a test of the model.
Additional Information
Copyright 1990 by the American Geophysical Union. (Received: February 16, 1990; March 19, 1990.) The author thanks E. C. Stone and J. D. Richardson for helpful discussions. This work was supported by NASA under contracts NAS7-918 and NGR 05-002-160.Attached Files
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Additional details
- Eprint ID
- 45487
- Resolver ID
- CaltechAUTHORS:20140505-093616686
- NASA
- NAS7-918
- NASA
- NGR 05-002-160
- Created
-
2014-05-05Created from EPrint's datestamp field
- Updated
-
2021-11-10Created from EPrint's last_modified field
- Caltech groups
- Space Radiation Laboratory
- Other Numbering System Name
- Space Radiation Laboratory
- Other Numbering System Identifier
- 1990-02