Fig. 3.
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Determination of the magnetic FR parameters, foot points and magnetic field intensity. (a) EUV base-difference image obtained using SDO/AIA 211 Å observations. The regions surrounded by yellow circles denote the FR foot points. (b) observation of a PEA in SDO/AIA 193 Å. The PEA foot points are indicated by dotted yellow lines. In both the images, the associated LOS magnetograms with LOS magnetic field intensity BLOS > ±150 G are overplotted using green (positive magnetic field) and red (negative magnetic field) contours.
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