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Overview of Saturn lightning observations

Fischer, G. and Dyudina, U. A. and Kurth, W. S. and Gurnett, D. A. and Zarka, P. and Barry, T. and Delcroix, M. and Go, C. and Peach, D. and Vandebergh, R. and Wesley, A. (2011) Overview of Saturn lightning observations. . (Submitted)

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The lightning activity in Saturn's atmosphere has been monitored by Cassini for more than six years. The continuous observations of the radio signatures called SEDs (Saturn Electrostatic Discharges) combine favorably with imaging observations of related cloud features as well as direct observations of flash-illuminated cloud tops. The Cassini RPWS (Radio and Plasma Wave Science) instrument and ISS (Imaging Science Subsystem) in orbit around Saturn also received ground-based support: The intense SED radio waves were also detected by the giant UTR-2 radio telescope, and committed amateurs observed SED-related white spots with their backyard optical telescopes. Furthermore, the Cassini VIMS (Visual and Infrared Mapping Spectrometer) and CIRS (Composite Infrared Spectrometer) instruments have provided some information on chemical constituents possibly created by the lightning discharges and transported upward to Saturn's upper atmosphere by vertical convection. In this paper we summarize the main results on Saturn lightning provided by this multi-instrumental approach and compare Saturn lightning to lightning on Jupiter and Earth.

Item Type:Report or Paper (Discussion Paper)
Related URLs:
URLURL TypeDescription Paper
Fischer, G.0000-0002-0431-2381
Delcroix, M.0000-0002-9828-7390
Additional Information:G. F. is funded by a grant (P21295–N16) from the Austrian Science Fund (FWF).
Funding AgencyGrant Number
FWF Der WissenschaftsfondsP21295–N16
Record Number:CaltechAUTHORS:20151120-084541128
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62272
Deposited By: Ruth Sustaita
Deposited On:20 Nov 2015 19:28
Last Modified:09 Mar 2020 13:18

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