Gaia short-timescale period as a function of the literature period for the crossmatched periodic sources flagged as short-timescale candidates from the variogram analysis. The red and grey dashed lines correspond to P_Gaia = P_Lit and P_Gaia = P_Lit∕2, respectively.In total, the literature period or half of the literature period is recovered only for 23% of the crossmatched sources with P_Lit ≤ 1 d.