| FRINGE_THRESHOLD_HIGH | float | Upper bound of fringes to include in scaling (fringes only) | |
| FRINGE_THRESHOLD_LOW | float | Lower bound of fringes to include in scaling (fringes only) | |
| IMAGE_THRESHOLD | float | Sigma threshold for scaling estimate (fringes only) | |
| OVERSCAN_CORRECTION | int | Overscan correction method index | |
| SOURCE_CODE_VERSION | int | The version of the source code | |
