Fig. 16

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(a) Comparison of the best single parameter HGpol fit model for fixed i = 75° and measured relative quadrant polarization parameters for HR 4796A. (b) Deviations from the best-fitting HGpol (i = 75°, g = 0.65) for the measured values, for the best fits for slightly different disk inclinations HGpol (i = 73°, g = 0.60) and HGpol(i = 77°, g = 0.71) and for the HGpol fit from Milli et al. (2019) (green dashed line). (c) HGpol phase functions and the directly extracted phase function fϕ(θ) (dotted black line) with corresponding uncertainty range (grey shaded area) from Milli et al. (2019). (d) HG intensity phase functions. The measured quadrant values and the different fit curves are identified in panel b.
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