23 April 2014 - Mission Day: 6718 - DOY: 113
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Power spectrum of global sun velocity oscillations derived from 800 days of measurements by GOLF. The spectrum is dominated by the p-mode band up to the cut-off frequency (~5.3 mHz). Above this frequency a mode-like structure appears, corresponding to the so-called High Interference Peaks [HIPs], which are due to partial wave reflection in the solar atmosphere.

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