| Astrom | Wcs | Astrom | |
| AxisLengths | ListOfInteger4 | List of lengths of each data axis. FITS keywords: NAXIS1, NAXIS2, ... , NAXISn. | |
| AxisNumber | int | The dimensionality of the data (e.g., number of physical image axes/dimensions). FITS keyword: NAXIS. | |
| DataLength | int | Total number of individual value elements (pixels, voxels, etc.) in the data set referred to in this instance. Equivalent to AxisLength_0 * AxisLength_1 * ... * AxisLength_AxisNumber. | |
| DataSize | int | Size of an individual data element, in bits, following the FITS convention (i.e., negative for floating point values) such that the total size of the data array is |DataSize| x DataLength bits. FITS keyword: BITPIX | |
| ExposureDuration1 | Duration | For nominal sequence: duration between shutter fully open and start closing. For linearity and dark sequences: duration between end flushing and start readout. Origin: science TM. FITS keyword: EXPDUR1. | |
| ExposureDuration2 | Duration | For nominal sequence: duration between shutter start opening and end closing. Origin: science TM. FITS keyword: EXPDUR2. | |
| PhysicalUnit | str | Physical unit of the data. FITS keyword: BUNIT. | |
| QuadrantId | str | row in FPA-column in FPA.quadrant in CCD e.g. "1-1.E". Origin: science TM. FITS keywords: EXTNAME, CCDID, QUADID. | |
| ROEConfigurationTableVersion | int | Configuration table version of the ROE. Origin: science TM. FITS keyword: ROECTV | |
| ROEId | int | Id of the ROE in the VIS FPA (1 to 12). Origin: science TM. FITS keyword: ROEID | |
| ScanRegions | ImgScanRegions | ScanRegions | |
| ScanRegionStatistics | ImgScanRegionStatistics | ScanRegionStatistics | |
