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| Titel |
Narrowband emission observed near a Saturn kilometric radiation source region |
| VerfasserIn |
Douglas Menietti, Sheng-Yi Ye, Patricia Schippers, Laurent Lamy, Donald Gurnett |
| Konferenz |
EGU General Assembly 2011
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| Medientyp |
Artikel
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| Sprache |
Englisch
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 13 (2011) |
| Datensatznummer |
250048807
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| Zusammenfassung |
| The Cassini spacecraft flew very near a source region of Saturn kilometric radiation (SKR) at high latitudes on day 73 of 2008. The radio and plasma wave instrument, RPWS, observed dominant X-mode emission but also narrowband (NB) emission near the cyclotron frequency (fc ~ 5kHz). The NB emission is composed of both Z-mode (f < fc) and O-mode emission. We investigate the cyclotron maser instability as a possible source mechanism for each of these emission modes using the observed electron plasma distribution. We also suggest alternative explanations for the coincidence of the X-mode and NB emission. |
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