Figure 1
From: Period Increase and Amplitude Distribution of Kink Oscillation of Coronal Loop

An overview of the coronal loop analyzed in this paper observed in AIA 171 Å and STEREO-B/EUVI 171 Å. The black pluses sign mark the positions of the loop. The green lines are slits across the pluses and perpendicular to the loop, the purple line segments along the green slits indicate the width of the loop. The white boxes are the foot-point regions, loop region, and background region, respectively. The white lines that are overlaid on the AIA 171 Å and STEREO-B/EUVI 171 Å images are outlining the magnetic field lines constructed with the PFSS model.