Fractional abundance distribution of the magnetic field direction angles as traced by the THz data (black) and optical data (red). The distributions mean values, shown with vertical dashed lines, are 45° (SOFIA) and 50° (optical). The SOFIA data present a three peaked distribution, with peaks being at ≈ 40°, ≈ 55°, and ≈ 77°. These correspond to vectors coming from the two halves of the presumed hourglass shape and filament, respectively.
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