Energetics of star–planet magnetic interactions - Novel insights from 3D modelling

Open Access

Fig. 2

Panel a displays the quantity $s \cdot {\hat{c}}_{A}$ $\[\boldsymbol{s} \cdot \hat{\boldsymbol{c}}_{A}\]$ on a spherical surface of radius 2.5 R_⋆ centered on the star. Panel b shows the radial component of the Poynting vector, s_r, on the same spherical surface. The black contours in this panel indicate lines of constant $(s \cdot {\hat{c}}_{A}) = 1 W m^{- 2}$ $\[\left(\boldsymbol{s} \cdot \hat{\boldsymbol{c}}_{A}\right)=1 \mathrm{~W} \mathrm{~m}^{-2}\]$ .

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