Fig. 3.
Time–distance images along the first CYRA slit (red solid line in Fig. 1) of Doppler velocity and intensity in CO 3-2 R14 and CO 7-6 R67 lines. The y-axis is parallel to the slits of CYRA. A horizontal cyan line in panel b outline the umbral position to perform the wavelet analysis in Figs. 6 and 7. Two magenta lines outline the umbra–penumbra boundary.
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