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Fig. 6


Upper three panels: synthetic Fe ii line profiles (full lines), at three orbital phases (φ), resulting from the superposition of a “moving” broad Gaussian emission (dotted lines) and a “static” narrower Gaussian absorption. Lower panels: radial velocity RVa), and B/R intensity ratio b) of the Fe ii emission lines (dots) with the result of the geometrical model superimposed with full lines. Panel c): the velocity separation (asterisks) of the red–blue peaks. (RV – RV) with the result of our model superimposed with a full line.

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