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Fig. 7

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Top: background (circles) and prominence profiles (asterisks) with standard cubic-spline interpolation for four points P1, P2, P3, and P4 along the cross-section P. The wavelength scale shows the wavelength distance to the first MSDP channel. Bottom: Gaussian fits of prominence Hα profiles corresponding to the same points. Dashed lines show the line-centre position corresponding to zero LOS velocity. Intensity units are in erg s-1 cm-2 sr-1 Hz-1.

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