DescriptionMDI medium angular degree power spectrum.png
English: Power spectrum of medium angular degree () solar oscillations, computed for 144 days of data from the MDI instrument aboard SOHO.[1] Data was downloaded from here. The colour scale is logarithmic and saturated at one hundredth the maximum power in the signal, to make the modes more visible.
↑“Measurements of Frequencies of Solar Oscillations from the MDI Medium-l Program”, in Solar Physics, volume 175, 1997, Bibcode: 1997SoPh..175..287R, pages 287
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