Fig. 6
Top panels: time dynamics for the N5 UF source at various SDO/AIA channels: 1600 Å, left panel and 171 Å, right panel. The blue lines show the brightness changes recorded during the flashes. The red lines show the time profiles of the filtered 3-min oscillations. The numerals denote the oscillation train numbers. Bottom panels: Fourier spectra of UF signals for SDO/AIA channels accordingly.
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