As per recent study, Forward and Inversion Combination (FICO) is an asteroseismic modelling method designed to derive precise fundamental parameters (mass, radius, age, and mean density) for solar-like stars.

Source: https://arxiv.org/html/2604.27842v1 Here, stars' theoretical oscillation frequencies are computed from stellar parameters then compared to observed frequencies by minimizing a chi-square function. Surface-Independent Frequency Ratios are calculated here. Inverse method is based on the li