KIC 3858884: list of pulsation frequencies

The search for the best set of binary parameters was performed by combining the synthetic light curve models with a genetic minimization algorithm, which yielded a robust and accurate determination of the system parameters. The binary components have very similar masses (1.88 and 1.86M_{sun}_) and effective temperatures (6800 and 6600K), but different radii (3.45 and 3.05R_{sun}_). The comparison with the theoretical models showed a somewhat different evolutionary status of the components and the need to introduce overshooting in the models.

The pulsation analysis indicates the hybrid nature of the pulsating (secondary) component, where the corresponding high order g-modes might be excited by an intrinsic mechanism or by tidal forces.