The radial velocity signature of tides raised in stars hosting exoplanets
The radial velocity signature of tides raised in stars hosting exoplanets
Close-in, massive exoplanets raise significant tides in their stellar hosts. We compute the radial velocity (RV) signal due to this fluid motion in the equilibrium tide approximation. The predicted radial velocities in the observed sample of exoplanets exceed 1 m/s for 17 systems, with the largest predicted signal being ~30 …