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Fig. 7

image

Top: positions of the maximum of Hα emission as a function of the orbital phase. The red dots represent the positions of the maximum, whilst the blue line is the radial velocity curve of the primary component. Bottom: spectral variation of the Hα line as a function of the orbital phase. The emission vanishes at Φ = 0.00.

This figure is made of several images, please see below:

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