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Fig. 3


LSD I profiles of individual subexposures obtained using the mask with all but He lines. The subexposures of the 4 polarisation measurements are shown from top to bottom. The profiles have been arbitrarily shifted by –0.1, –0.2 and –0.3 in intensity to ease the reading of the figure. The 4 subexposures of each polarisation measurements are drawn with solid, dotted, dashed, and dahsed-dotted lines in chronological order.

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