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arXiv · 0810.2237

Propagation of High Frequency Waves in the Quiet Solar Atmosphere

Aleksandra Andić
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Abstract

High-frequency waves (5 mHz to 20mHz) have previously been suggested as a source of energy accounting partial heating of the quiet solar atmosphere. The dynamics of previously detected high-frequency waves is analysed here. Image sequences are taken using the German Vacuum Tower Telescope (VTT), Observatorio del Teide, Izana, Tenerife, with a Fabry-Perot spectrometer. The data were speckle reduced and analyzed with wavelets. Wavelet phase-difference analysis is performed to determine whether the waves propagate. We observe the propagation of waves in the frequency range 10mHz to 13mHz. We also observe propagation of low-frequency waves in the ranges where they are thought to be evanescent in regions where magnetic structures are present.

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Aleksandra Andić. 2008-10-13. Propagation of High Frequency Waves in the Quiet Solar Atmosphere. https://doi.org/10.2298/saj0877087a

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