Name:
decay_index.pro
Purpose:
Calculate Calculates decay index parameters using 3D magnetic field data derived from potential field extrapolation
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output_di=decay_index(c_img [, binxy_di=binxy_di] [, di_heigh_range=di_heigh_range] [, binxy_mpil=binxy_mpil] [, mpil_info=mpil_info] [, mpil_xy=mpil_xy] [, crit_di=crit_di])
Input parameters:
c_img - Blos and Br images from SDO/HMI Space-weather HMI Active Region Patch (SHARP) cylindrical equal area (CEA) near-realtime (NRT) data
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Br or Blos HARP cutout magnetogram, corrected for limb presence. Blos cutout should be deprojected
Input Keywords:
binxy_di - number for xy spatial binning of sharp magnetic field input data related to decay index calculation [pixels] ; default=4
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mpil_xy - x and y coordinates of MPILs [pixels]
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Output
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:
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Output parameters:
output_di - 4 element 1D array related to decay index parameters
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