| astrom | Astrom | Information about the astrometry | | |
| astrom_params | AstrometricParameters | An AstrometricParameters object | | |
| chip | Chip | Information about the chip | | instr.det meta.id |
| creation_date | datetime | Date this object was created | | time.epoch |
| DATE_OBS | datetime | UTC date at the start of the observation | | time.obs |
| filename | str | The name of the associated file | | meta.id meta.file |
| filter | Filter | Information about the filter | | instr.filter meta.id |
| FLXSCALE | float | The flux scale applicable for this frame | | phot.flux |
| gain | GainLinearity | A GainLinearity object | | instr.sensitivity |
| globalname | str | The name used to store and retrieve file to and from Storage | | meta.id |
| grid_target | GridTarget | The GridTarget object for the regridding operation | | |
| imstat | Imstat | Image statistics for the frame | | |
| instrument | Instrument | Information about the instrument | | instr.obsty |
| is_valid | int | Manual/external flag to disqualify bad data (SuperFlag) | | meta.code |
| NAXIS1 | int | Length of data in axis 1 | pixel | pos.wcs.naxis |
| NAXIS2 | int | Length of data in axis 2 | pixel | pos.wcs.naxis |
| OBJECT | str | Object name | | meta.id |
| observing_block | ObservingBlock | Information about the observing block | | |
| photom_params | PhotometricParameters | A PhotometricParameters object | | |
| process_params | RegriddedFrameParameters | Processing parameters | | |
| process_status | int | A flag indicating the processing status | | meta.code |
| psf_radius | float | Seeing FWHM | arcsec | instr.det.psf |
| quality_flags | int | Automatic/internal quality flag | | meta.code |
| reduced | ReducedScienceFrame | A ReducedScienceFrame object | | |
| swarpconf | SwarpConfig | The Swarp configuration file | | |
| template | Template | Information about the template | | |
| weight | WeightFrame | The regridded WeightFrame object | | |
| ZEROPNT | float | Zeropoint of this image | mag | arith.zp |
| ZPNTERR | float | Zeropoint error | mag | stat.error arith.zp |
