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Model computations of Schumann resonance on Titan
Authors:Alexander P Nickolaenko  Konrad Schwingenschuh
Institution:a Usikov Institute for Radio-Physics and Electronics, National Academy of Sciences of the Ukraine, Kharkov, 61085, Ukraine
b Institut für Weltraumforschung, Österreichische Akademie der Wissenschaften, Schmiedlstraße 6, A-8042 Graz, Austria
Abstract:We model the global electromagnetic (Schumann) resonance in the atmosphere of Titan. Parameters of conductivity of the lower ionosphere were implemented taken from existing aeronomic models of Titan's atmosphere. Two exponential conductivity profiles were constructed: one of them suggests favorable conditions for Schumann resonance and the other models considerable attenuation in the ionospheric plasma. Peak frequencies and Q-factors of resonance were computed as well as resonance spectra for the signals arriving from individual vertical lightning discharges and from strokes uniformly distributed over the planet. The models show that detection of Schumann resonance on Titan is feasible, especially in favorable conditions. Possible applications of Schumann resonance in the studies of Titan's lightning activity are outlined.
Keywords:Titan  Schumann resonances  Extremely low frequency waves  Wave propagation  Ionosphere
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