Comparison between the ML retrieved period and the value given in S19. The 10% tolerance region is represented in blue, while the large tolerance zone (30%) is shown in green. Stars that are flagged for visual checks are highlighted: yellow circle show the stars selected with the filter condition, red diamonds those by the long trend condition, cyan triangle those selected by harmonic search condition, brown stars those selected with the short light curve condition, green cross those selected by the short trend condition, and orange cross the stars flagged as Type 1 CP/CB with P_rot, ML > 7 days.