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Auroral processes at the giant planets: energy deposition, emission mechanisms, morphology and spectra

Research output: Contribution to journalLiterature review

Published
  • Sarah V. Badman
  • Graziella Branduardi-Raymont
  • Marina Galand
  • Sebastien L. G. Hess
  • Norbert Krupp
  • Laurent Lamy
  • Henrik Melin
  • Chihiro Tao
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<mark>Journal publication date</mark>04/2015
<mark>Journal</mark>Space Science Reviews
Issue number1-4
Volume187
Number of pages81
Pages (from-to)99-179
<mark>State</mark>Published
Early online date2/04/15
<mark>Original language</mark>English

Abstract

The ionospheric response to auroral precipitation at the giant planets is reviewed, using models and observations. The emission processes for aurorae at radio, infrared, visible, ultraviolet, and X-ray wavelengths are described, and exemplified using ground- and space-based observations. Comparisons between the emissions at different wavelengths are made, where possible, and interpreted in terms of precipitating particle characteristics or atmospheric conditions. Finally, the spatial distributions and dynamics of the various components of the aurorae (moon footprints, low-latitude, main oval, polar) are related to magnetospheric processes and boundaries, using theory, in situ, and remote observations, with the aim of distinguishing between those related to internally-driven dynamics, and those related to the solar wind interaction.

Bibliographic note

Date of Acceptance: 17/03/2014