FIES (blue circles), HARPS-N (green diamonds), HARPS-S (red triangles), and RV measurements of K2-19 and Keplerian fits (solid line), phase folded to the orbital period and time of first transit of K2-19b (upper) and K2-19c (lower). For K2-19c, the fitted RVs from K2-19b have been removed. All RVs, fits and residuals (in smaller subpanels) are shown following the subtraction of the systemic velocities from the three instruments (Table 2).