Top: RV curve of GJ 317 with the best Keplerian orbit fit shown as a solid black line. RV measurements from the CARMENES VIS and NIR channels are depicted as blue circles and orange squares, respectively. Data from HIRES, HARPS (pre and pos), and PFS are illustrated with different colours as labelled. Residuals are shown in the panel underneath. Bottom: phase-folded RV curves of GJ 317 b (left) and c (right).