Radial-velocity data (CARMENES VIS/NIR in light blue and orange circles, respectively, ESPRESSO in purple upper triangles, HIRES in crimson lower triangles, PFS in orange diamonds, and iSHELL in green pentagons). The two-planet model is shown in dark grey (thick line) including the variation due to the GP (light grey).The two-planet model is shown in darker grey and thin line.