| Contains previous astrometric calibration coefficients. |
| This table contains previous astrometric calibration coefficients for each science detector frame that is a part of a multiframe. Required constraints:
|
| Name | Type | Length | Unit | Description | Default Value | Unified Content Descriptor |
|---|---|---|---|---|---|---|
| multiframeID | bigint | 8 | the UID of the relevant multiframe | ID_FRAME | ||
| extNum | tinyint | 1 | the extension number of this frame | NUMBER | ||
| versNum | int | 4 | Version number of current astrometric solution | ID_VERSION | ||
| cuEventID | int | 4 | UID of curation event giving rise to this record | REFER_CODE | ||
| cTypeX | varchar | 8 | G&C WCS type, eg 'RA---ZPN' {image extension keyword: CTYPE1} | POS_EQ_RA_MAIN | ||
| cTypeY | varchar | 8 | G&C WCS type, eg 'DEC--ZPN' {image extension keyword: CTYPE2} | POS_EQ_DEC_MAIN | ||
| crValX | float | 8 | Coordinate value at reference point on axis 1 {image extension keyword: CRVAL1} | POS_CCD_X | ||
| crValY | float | 8 | Coordinate value at reference point on axis 2 {image extension keyword: CRVAL2} | POS_CCD_Y | ||
| crUnit1 | varchar | 8 | Unit of right ascension co-ordinates {image extension keyword: CRUNIT1} | NONE | ||
| crUnit2 | varchar | 8 | Unit of declination co-ordinates {image extension keyword: CRUNIT2} | NONE | ||
| crPixX | float | 8 | pixels | Pixel coordinate of the reference point on axis 1 {image extension keyword: CRPIX1} | POS_CCD_X | |
| crPixY | float | 8 | pixels | Pixel coordinate of the reference point on axis 2 {image extension keyword: CRPIX2} | POS_CCD_Y | |
| cd11 | float | 8 | Element of the linear transformation matrix (with scale) {image extension keyword: CD1_1} | POS_TRANSF_PARAM | ||
| cd21 | float | 8 | Element of the linear transformation matrix (with scale) {image extension keyword: CD2_1} | POS_TRANSF_PARAM | ||
| cd12 | float | 8 | Element of the linear transformation matrix (with scale) {image extension keyword: CD1_2} | POS_TRANSF_PARAM | ||
| cd22 | float | 8 | Element of the linear transformation matrix (with scale) {image extension keyword: CD2_2} | POS_TRANSF_PARAM | ||
| pv21 | float | 8 | Coefficient for r term {image extension keyword: PV2_1} | 0 | POS_TRANSF_PARAM | |
| pv22 | float | 8 | Coefficient for r**2 term {image extension keyword: PV2_2} | 0 | POS_TRANSF_PARAM | |
| pv23 | float | 8 | Coefficient for r**3 term {image extension keyword: PV2_3} | 0 | POS_TRANSF_PARAM | |
| wcsPass | tinyint | 1 | Pass level of WCS {image extension keyword: WCSPASS} | POS_TRANSF_PARAM | ||
| numRms | int | 4 | No. of astrometric standards used in fit {image extension keyword: NUMBRMS} | FIT_PARAM_VALUE | ||
| stdCRms | float | 8 | RMS residual of fit to astrometric standards {image extension keyword: STDCRMS} | FIT_RESIDUAL | ||
| distortMap | varchar | 256 | filename of 2d non-linear distortion map | NONE | ID_FILE | |
| centralRa | float | 8 | Degrees | RA (J2000) at device centre | POS_EQ_RA_MAIN | |
| centralDec | float | 8 | Degrees | Dec (J2000) at device centre | POS_EQ_DEC_MAIN | |
| cx | float | 8 | unit vector of spherical co-ordinate | POS_EQ_X | ||
| cy | float | 8 | unit vector of spherical co-ordinate | POS_EQ_Y | ||
| cz | float | 8 | unit vector of spherical co-ordinate | POS_EQ_Z | ||
| htmID | bigint | 8 | HTM index (20 deep) of device centre | POS_GENERAL | ||
| posAngle | float | 8 | Degrees | orientation of image y-axis to N-S | POS_POS-ANG | |
| l | float | 8 | Degrees | Galactic longitude | POS_GAL_LON | |
| b | float | 8 | Degrees | Galactic latitude | POS_GAL_LAT | |
| lambda | float | 8 | Degrees | SDSS system spherical co-ordinate 1 | POS | |
| eta | float | 8 | Degrees | SDSS system spherical co-ordinate 2 | POS | |
| imageExtent | real | 4 | Arcminutes | The maximum angular extent from the central position | POS_ANG_DIST_GENERAL | |
| minRa | float | 8 | Degrees | The minimum RA (J2000) on the device | POS_EQ_RA_OTHER | |
| minDec | float | 8 | Degrees | The minimum Dec (J2000) on the device | POS_EQ_DEC_MAIN | |
| maxRa | float | 8 | Degrees | The maximum RA (J2000) on the device | POS_EQ_RA_OTHER | |
| maxDec | float | 8 | Degrees | The maximum Dec (J2000) on the device | POS_EQ_DEC_MAIN | |
| xPixSize | real | 4 | Arcseconds | Angular size of pixels in X | POS_ANG_DIST_GENERAL | |
| yPixSize | real | 4 | Arcseconds | Angular size of pixels in Y | POS_ANG_DIST_GENERAL | |
| Total length | 538 |