def component_masses_to_chirp_mass(mass_1, mass_2):
    """
    Convert the component masses of a binary to its chirp mass.

    Parameters
    ----------
    mass_1: float
        Mass of the heavier object
    mass_2: float
        Mass of the lighter object

    Return
    ------
    chirp_mass: float
        Chirp mass of the binary
    """

    return (mass_1 * mass_2) ** 0.6 / (mass_1 + mass_2) ** 0.2