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Fig. 3


1D b1D(τR) and median 2D b2D(τR) departures as a function of τR for the lower 3s5 S (blue) and upper 3p5 P (red) levels (dashed and solid lines, respectively) for a particular cycle. The median 2D departures are results of the horizontal average along the surfaces τR = const. Departures from LTE b1D(τR) are based on interpolation of results of calculations using 1D hydrostatic models by fixing .

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