A numerical approach for modelling the polarisation signals of strong resonance lines with partial frequency redistribution - Applications to two-term atoms and plane-parallel atmospheres

Open Access

Fig. 4

Centre-to-limb variation of $\bar{Q} / \bar{I}$ $\bar Q/\bar I$ (left panel) and Ū/Ī (right panel) as a function of µ = cos(θ). The results are obtained for χ = 0 and considering height-independent horizontal (θ_B = π/2 and χ_B = 0) magnetic fields of different strengths (see the legend). Dashed and solid lines correspond to PRD–AA and PRD–AD calculations, respectively.

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