Fig. 3.

Latitude histograms of the RHESSI flares with longitudes |λF| ≤ 25° during the times the HSB was at central meridian. The histograms are separated into those from Cycle 23 (left panel) and Cycle 24 (right panel) and by the polarity change at the sector boundary of positive leading negative (+, − red) and negative leading positive (−, + blue).
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