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Paranicas et al. 2005
Paranicas, C., Mitchell, D.G., Roelof, E.C., Brandt, P.C., Williams, D.J., Krimigis, S.M. and Mauk, B.H. (2005). Periodic intensity variations in global ENA images of Saturn. Geophysical Research Letters 32: doi: 10.1029/2005GL023656. issn: 0094-8276.

During select time periods in orbit about Saturn, Cassini's Ion and Neutral Camera (INCA) has detected a periodic global ENA signal. Images taken during such periods reveal the presence of a rotating source component in addition to a steady-state component; both components have peak brightness in the midnight sector, when viewed from near dawn. We present a model that synthesizes some of the basic features of the data and gives good agreement with the integrated signal. Both components, as well as the Compton-Getting effect whose importance was previously unrecognized in ENA imaging, are needed to explain some aspects of the data.

BACKGROUND DATA FILES

Abstract

Keywords
Magnetospheric Physics, Planetary magnetospheres (5443, 5737, 6033), Magnetospheric Physics, Energetic particles, trapped, Planetary Sciences, Fluid Planets, Interactions with particles and fields, Planetary Sciences, Fluid Planets, Magnetospheres, Planetary Sciences, Solar System Objects, Saturn
Journal
Geophysical Research Letters
http://www.agu.org/journals/gl/
Publisher
American Geophysical Union
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