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Fig. 4


Spatial and temporal variations of radial velocity vrad , with color ranging from 0 (blue) to 2000 kms−1 (red). As in Fig. 2, the vertical variation extends from the subsonic wind base at the stellar surface R* to a height of one R* above, and the lateral variation is displayed over twice the horizontal box length 0.1R* . The frames from left to right show the time evolution of vrad over 400 ksafter the CAK initial condition, in steps of 50 ks.

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