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Fig. 2.

image

CSSS (left column) and PFSS model (right column) magnetic field lines for Carrington rotations 2072 (first row) and 2150 (second row) based on WSO data, with Rcs = rss = 3.5, Rss = 10, and a = 0.1. Red lines denote open positive field, and blue lines denote open negative field. Green lines denote closed field.

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