| associateconf | AssociateConfig | The associate configuration | | |
| astromconf | AstromConfig | The astrom configuration | | |
| CD1_1 | float | Linear transformation matrix parameter at i,j=1,1 | | pos.wcs.cdmatrix |
| CD1_2 | float | Linear transformation matrix parameter at i,j=1,2 | | pos.wcs.cdmatrix |
| CD2_1 | float | Linear transformation matrix parameter at i,j=2,1 | | pos.wcs.cdmatrix |
| CD2_2 | float | Linear transformation matrix parameter at i,j=2,2 | | pos.wcs.cdmatrix |
| chip | Chip | Information about the chip | | instr.det meta.id |
| creation_date | datetime | Date this object was created | | time.epoch |
| CRPIX1 | float | Reference pixel in X | pixel | pos.wcs.crpix |
| CRPIX2 | float | Reference pixel in Y | pixel | pos.wcs.crpix |
| CRVAL1 | float | Physical value of the reference pixel X | deg | pos.wcs.crval |
| CRVAL2 | float | Physical value of the reference pixel Y | deg | pos.wcs.crval |
| CTYPE1 | str | Pixel coordinate system and projection of first axis (X) | | pos.wcs.ctype |
| CTYPE2 | str | Pixel coordinate system and projection of second axis (Y) | | pos.wcs.ctype |
| field_err | float | Global position error | arcsec | stat.error |
| filter | Filter | Information about the filter | | instr.filter meta.id |
| FITERRS | float | Errors on fitted parameters | (deg, arcsec, pixel), None | |
| FITPARMS | float | Degrees of freedom of fitted parameters | | |
| gastrom | GAstrometric | The Global Astrometric solution | | |
| instrument | Instrument | Information about the instrument | | instr.obsty |
| is_valid | int | Manual/external flag to disqualify bad data (SuperFlag) | | meta.code |
| MEAN_DDEC | float | Average residual w.r.t. reference catalog: DEC | arcsec | stat.fit.residual pos.eq.dec |
| MEAN_DDEC_OVERLAP | float | Average residual w.r.t. overlap positions: DEC | arcsec | stat.fit.residual pos.eq.dec |
| MEAN_DRA | float | Average residual w.r.t. reference catalog: RA | arcsec | stat.fit.residual pos.eq.ra |
| MEAN_DRA_OVERLAP | float | Average residual w.r.t. overlap positions: RA | arcsec | stat.fit.residual pos.eq.ra |
| N_OVERLAP | int | Number of matched pairs of overlapping stars | | arith.factor |
| NFITPARM | int | Number of fitted parameters | | arith.factor |
| NREF | int | Number of matched pairs of reference stars | | arith.factor |
| observing_block | ObservingBlock | Information about the observing block | | |
| preastromconf | PreastromConfig | The preastrom configuration | | |
| process_params | AstrometricParametersParameters | Processing parameters | | |
| process_status | int | A flag indicating the processing status | | meta.code |
| PV1_0 | float | Non-linear transformation matrix Parameter value a0 | | pos.wcs |
| PV1_1 | float | Non-linear transformation matrix Parameter value b11 | | pos.wcs |
| PV1_10 | float | Non-linear transformation matrix Parameter value b110 | | |
| PV1_2 | float | Non-linear transformation matrix Parameter value b12 | | pos.wcs |
| PV1_3 | float | Non-linear transformation matrix Parameter value b13 | | pos.wcs |
| PV1_4 | float | Non-linear transformation matrix Parameter value b14 | | pos.wcs |
| PV1_5 | float | Non-linear transformation matrix Parameter value b15 | | pos.wcs |
| PV1_6 | float | Non-linear transformation matrix Parameter value b16 | | pos.wcs |
| PV1_7 | float | Non-linear transformation matrix Parameter value b17 | | pos.wcs |
| PV1_8 | float | Non-linear transformation matrix Parameter value b18 | | pos.wcs |
| PV1_9 | float | Non-linear transformation matrix Parameter value b19 | | pos.wcs |
| PV2_0 | float | Non-linear transformation matrix Parameter value c0 | | pos.wcs |
| PV2_1 | float | Non-linear transformation matrix Parameter value d11 | | pos.wcs |
| PV2_10 | float | Non-linear transformation matrix Parameter value d110 | | |
| PV2_2 | float | Non-linear transformation matrix Parameter value d12 | | pos.wcs |
| PV2_3 | float | Non-linear transformation matrix Parameter value d13 | | pos.wcs |
| PV2_4 | float | Non-linear transformation matrix Parameter value d14 | | pos.wcs |
| PV2_5 | float | Non-linear transformation matrix Parameter value d15 | | pos.wcs |
| PV2_6 | float | Non-linear transformation matrix Parameter value d16 | | pos.wcs |
| PV2_7 | float | Non-linear transformation matrix Parameter value d17 | | pos.wcs |
| PV2_8 | float | Non-linear transformation matrix Parameter value d18 | | pos.wcs |
| PV2_9 | float | Non-linear transformation matrix Parameter value d19 | | pos.wcs |
| quality_flags | int | Automatic/internal quality flag | | meta.code |
| reduced | BaseFrame | The input reduced science frame | | |
| residuals | str | Filename of residuals catalog | | stat.fit.residual |
| RMS | float | Two-dimensional Root-Mean-Square (RMS) of the RA/DEC residuals | arcsec | |
| RMS_OVERLAP | float | Two-dimensional Root-Mean-Square (RMS) of the RA/DEC overlap residuals | arcsec | |
| scampconf | ScampConfig | The SCAMP configuration | | |
| SEEING | float | The derived seeing | arcsec | instr.obsty.seeing |
| sexconf | SextractorConfig | The SExtractor configuration | | |
| SIG_DDEC | float | Standard deviation of DEC residual | arcsec | stat.stdev pos.eq.dec |
| SIG_DDEC_OVERLAP | float | Standard deviation of DEC residual | arcsec | stat.stdev pos.eq.dec |
| SIG_DRA | float | Standard deviation of RA residual | arcsec | stat.stdev pos.eq.ra |
| SIG_DRA_OVERLAP | float | Standard deviation of RA residual | arcsec | stat.stdev pos.eq.ra |
| template | Template | Information about the template | | |
| x_err | float | Error in Chebychev polynomial x coefficient | arcsec | stat.error |
| xx_err | float | Error in Chebychev polynomial xx coefficient | arcsec | stat.error |
| xy_err | float | Error in Chebychev polynomial xy coefficient | arcsec | stat.error |
| y_err | float | Error in Chebychev polynomial y coefficient | arcsec | stat.error |
| yy_err | float | Error in Chebychev polynomial yy coefficient | arcsec | stat.error |
