galaxies
    galaxy
        redshift                                                                          0.5
        light
            centre                                                                        (0.0, 0.0)
            axis_ratio                                                                    1.0
            phi                                                                           0.0
            intensity                                                                     1.0
            effective_radius                                                              0.6
            sersic_index                                                                  4.0
    source
        redshift                                                                          1.0
        light
            centre                                                                        (9.0, 8.0)
            axis_ratio                                                                    1.0
            phi                                                                           0.0
            intensity                                                                     2.0
            effective_radius                                                              0.6
            sersic_index                                                                  4.0
            radius_break                                                                  0.01
            intensity_break                                                               0.05
            alpha                                                                         3.0
            gamma                                                                         0.25
        pixelization
            shape                                                                         (3, 3)
        regularization
            coefficient                                                                   1.0