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Fig. 1.


Temporal evolution of the emergence event. From left to right, top row: apparent longitudinal magnetic flux density with a cutoff at Mx cm−2. The contours in green outline the apparent transverse magnetic flux density at a level of of 140 Mx cm−2. Second row: cut off at 320 Mx cm−2. Third row: continuum image with contours of at a level of ±30 Mx cm−2 in blue and red, respectively; last row: line core of the 630.15 nm line with the same contours as in the third row. The yellow circle encompasses the initial flux-emergence region.

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