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Fig. 4


Three-dimensional reconstruction of the bundle of loop threads (red dots) observed with the AIA 171 Å (top panels), and the hot loop (yellow dots) observed with the AIA 94 Å (middle panels). The loops are best-fitted by semi-ellipses (solid green line) with an inclination angle of 60 deg with respect to the normal surface, and heights of 0.85 rL in the 171 Å, and 0.70 rL in the 94 Å channels. The projections of the loop system for different orientations of the HEEQ coordinate system are shown in the bottom panels.

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