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Figure 1:
Examples of Stokes V profiles. Solid: measured profiles; dashed: double Gaussian fit to the data; dash-dotted:
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Figure 2:
Example of PFe at
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Figure 3:
Contrast C of PFe and of granules vs. ![]() ![]() |
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Figure 4:
Distributions of PF areas determined with the COG method, i.e. from the number of pixels covered by the magnetic field of the PFe, for the northern polar cap ( left two panels) and the southern cap ( right two panels). The areas are corrected for foreshortening (dividing by ![]() ![]() |
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Figure 5:
Variation towards the limb of PF magnetic field strengths
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Figure 6: Histogram of magnetic field strengths from the separation of Stokes V extrema. The solid lines correspond to the northern PFe and the dashed lines to the southern PFe. |
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Figure 7: Variation towards the limb of velocities in PFe measured with the COG method from Stokes I profiles. Asterisks represent the mean velocity of PFe for each FOV and the error bars are the standard deviation of facular velocities within the same FOV. Reference zero velocity (horizontal dashed line) is the average of all line positions (from COG) in the corresponding FOVs. The dotted line is a linear regression. Positive velocities are away from the observer. |
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Figure 8: Velocities measured from Doppler shift of Stokes I COG and from V zero-crossing. Reference zero velocity is the average of the line positions in the FOVs. Vertical dotted lines indicate the average velocities. Positive velocities are away from the observer. |
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