def METHOD_NAME(rsat, mag):
    """
    Alternative effective distance term provided in Atkinson (2015) (page 986)
    for use of stronger distance-saturation effects than within default model
    """
    h_eff = 10.0 ** (-0.28 + 0.19 * mag)
    return np.where(h_eff > 1.0, h_eff, 1.0)