The absence of the height inversion effect for the leading sunspot of NOAA 791 in the observational sequences on 2005 July 26, 03:27–5:40 UT. In the same sunspot, the effect of the height inversion is presented in other five time series (one of them is shown in Fig. 3). The figure shows the spatial distribution of the wavelet power of the LOS oscillations in the band 4.7–6.7 mHz. Top panels: time-spatial dynamics of the wavelet spectra. Bottom panels: time-averaged profiles of the wavelet spectra. The vertical dashed lines indicate the umbra-penumbra boundary.
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