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Fig. 12

image

Dots show the contrast profile (left) and observed Hα profile (right). The profile belongs to the spine of the filament and is located at label b in Fig. 3. The red line shows the CM fit (left) and the Hα parabola line core fit (right). The inferred velocities for the CM and line core fits are −3.11 and −2.50 km s-1, respectively.

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