Temporal evolution of Saturn lightning activity during Saturn's change of season in spring equinox 2009
Abstract
Saturn Electrostatic Discharges or SEDs are measured by the Cassini/RPWS (Radio and Plasma Wave Sci- ence) instrument from 1 to 16 MHz. In August 2009,Saturn's northern (southern) hemisphere enters spring (autumn) 7-year-long season. The RPWS instrument,has so far recorded more than a dozen storms since the spacecraft's orbital insertion in 2004. Lasting for several months, each storm consisted of episodes with a periodicity lasting close to one Saturn rotation (about 10 hours and 40 minutes), which start/stop when the SED cloud enters/leaves the radio horizon.
- Publication:
-
European Planetary Science Congress
- Pub Date:
- October 2015
- Bibcode:
- 2015EPSC...10..109P