| ExtObjectId | ExtObjectId | Unique EXT object identifier [None] | |
| FringeThresholdHigh | float | Upper bound of fringed pixels to include in scaling [ADU] | |
| FringeThresholdLow | float | Lower bound of fringed pixels to include in scaling [ADU] | |
| ImageThreshold | float | Pixel value Sigma-clipping threshold to estimate source-free background for scaling of fringe frames [None] | |
| OverscanCorrection | int | Overscan correction method index [None] | |
