| ALL_SOURCES_REF_NUMBER | float | number of stars in result frame | |
| ALL_SOURCES_REF_THRESH | float | SExtractor detection threshold for all stars in result frame | |
| ALL_SOURCES_REG_NUMBER | float | number of stars in in best seeing frame | |
| ALL_SOURCES_REG_THRESH | float | SExtractor detection threshold for all stars in best seeing frame | |
| GETSKY_CENTER | int | Galaxy center used in skycalc mode 2 | |
| GETSKY_KAPPA | float | Clipping kappa value for background subtraction | |
| GETSKY_SKY_ORDER | int | Polynomial order for sky subtraction | |
| GETSKY_SMOOTHING_RADIUS | int | Median smoothing radius for background subtraction | |
| GETSKY_THRESHOLD | float | Threshold value for background subtraction | |
| PSF_REF_FWHM_REJECT | int | Number of PSF-reference stars to reject due to high FWHM | |
| PSF_REF_MAX_THRESH | float | Maximum threshold for autoselect PSF-reference stars | |
| PSF_REF_MIN_THRESH | float | Minimum threshold for autoselect PSF-reference stars | |
| PSF_REF_NCHI_REJECT | int | Number of PSF-reference stars to reject due to high chisq | |
| PSF_REF_NUMBER | int | Number of PSF reference stars | |
| PSF_SIZE | int | Box radius of PSF | pixel |
| RECIPE | str | Pipline Recipe | |
| REF_KERNEL_MODEL | float | convolution kernel model | |
| REF_KERNEL_SIZE | int | Convolution kernel size | pixel |
| REF_SKY_ORDER | int | Polynomial order for sky alignment | |
| SKYCALC_ABS_ORDER | int | Polynomial order for absorption alignment | |
| SKYCALC_CENTER | int | Galaxy center used in skycalc mode 2 | |
| SKYCALC_FWHM_REJECT | int | Number of photometric reference stars to reject due to high FWHM | |
| SKYCALC_KERNEL_SIZE | int | Skycalc convolution kernel size | pixel |
| SKYCALC_MAX_THRESH | float | Maximum threshold for autoselect reference stars | |
| SKYCALC_MIN_THRESH | float | Minimum threshold for autoselect reference stars | |
| SKYCALC_MODE | int | Method of photometric alignment | |
| SKYCALC_NCHI_REJECT | int | Number of photometric reference stars to reject due to high chisq | |
| SKYCALC_NUMBER | int | Number of reference stars for autoselect | |
| SKYCALC_REGION | str | Region used in skycalc mode 2 | |
| SKYCALC_SKY_ORDER | int | Polynomial order for sky alignment | |
| SOURCES_NUMBER | float | number of stars to be analyzed | |
| SOURCES_THRESH | float | SExtractor detection threshold for stars to be analyzed | |
| SUBBY_FWHM_REJECT | int | Number of photometric reference stars to reject due to high FWHM | |
| SUBBY_MAX_BAD_FRACTION | float | Maximum fraction of masked pixels | |
| SUBBY_MAX_THRESH | float | Maximum threshold for autoselect reference stars | |
| SUBBY_MIN_THRESH | float | Minimum threshold for autoselect reference stars | |
| SUBBY_MIN_WEIGHT_RATIO | float | Minimum weight ratio for replacing | |
| SUBBY_NCHI_REJECT | int | Number of photometric reference stars to reject due to high chisq | |
| SUBBY_NUMBER | int | Number of reference stars for autoselect | |
| USMPHOT_APERTURE | int | PSF fitting radius | pixel |
| USMPHOT_BETA | float | Valid range for Moffat beta value | None,None |
| USMPHOT_FWHM | float | Valid range for fwhm value | pixel,pixel,None |
| USMPHOT_INTERPOLATION | int | Interpolation order for regridding | |
| USMPHOT_POS_TOLERANCE | int | position precision | subpixel |
| USMPHOT_SUBGRID | int | PSF subgid precision | 1/pixel |
| USMPHOT_SUBPIXEL | int | PSF subpixel precision | 1/pixel |
| VERBOSE | int | Verbose level | |
