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Glossary of OSA attributes |
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This Glossary alphabetically lists all attributes used in the OSAv20230621 database(s) held in the OSA. If you would like to have more information about the schema tables please use the OSAv20230621 Schema Browser (other Browser versions). |
| A | B | C | D | E | F | G | H | I | J | K | L | M |
| N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
X | ||||||||
|---|---|---|---|---|---|---|---|---|
| Name | Schema Table | Database | Description | Type | Length | Unit | Default Value | Unified Content Descriptor |
| x | allwise_sc | WISE | Unit sphere position x value | float | 8 | |||
| x | atlasDetection | ATLASDR1 | X coordinate of detection {catalogue TType keyword: X_coordinate} Intensity-weighted isophotal centre-of-gravity in X. |
real | 4 | pixels | pos.cartesian.x;instr.plate | |
| x | atlasDetection | ATLASDR3 | X coordinate of detection {catalogue TType keyword: X_coordinate} Intensity-weighted isophotal centre-of-gravity in X. |
real | 4 | pixels | pos.cartesian.x;instr.plate | |
| x | atlasDetection | ATLASDR4 | X coordinate of detection {catalogue TType keyword: X_coordinate} Intensity-weighted isophotal centre-of-gravity in X. |
real | 4 | pixels | pos.cartesian.x;instr.plate | |
| x | atlasDetection | ATLASDR5 | X coordinate of detection {catalogue TType keyword: X_coordinate} Intensity-weighted isophotal centre-of-gravity in X. |
real | 4 | pixels | pos.cartesian.x;instr.plate | |
| x | atlasDetection | ATLASv20131127 | X coordinate of detection {catalogue TType keyword: X_coordinate} Intensity-weighted isophotal centre-of-gravity in X. |
real | 4 | pixels | pos.cartesian.x;instr.plate | |
| x | atlasDetection | ATLASv20160425 | X coordinate of detection {catalogue TType keyword: X_coordinate} Intensity-weighted isophotal centre-of-gravity in X. |
real | 4 | pixels | pos.cartesian.x;instr.plate | |
| x | atlasDetection | ATLASv20180209 | X coordinate of detection {catalogue TType keyword: X_coordinate} Intensity-weighted isophotal centre-of-gravity in X. |
real | 4 | pixels | pos.cartesian.x;instr.plate | |
| x | atlasDetection, atlasDetectionUncorr | ATLASDR2 | X coordinate of detection {catalogue TType keyword: X_coordinate} Intensity-weighted isophotal centre-of-gravity in X. |
real | 4 | pixels | pos.cartesian.x;instr.plate | |
| x | vphasDetection | VPHASv20160112 | X coordinate of detection {catalogue TType keyword: X_coordinate} Intensity-weighted isophotal centre-of-gravity in X. |
real | 4 | pixels | pos.cartesian.x;instr.plate | |
| x | vphasDetection | VPHASv20170222 | X coordinate of detection {catalogue TType keyword: X_coordinate} Intensity-weighted isophotal centre-of-gravity in X. |
real | 4 | pixels | pos.cartesian.x;instr.plate | |
| x | vphasDetection, vphasDetectionUncorr | VPHASDR3 | X coordinate of detection {catalogue TType keyword: X_coordinate} Intensity-weighted isophotal centre-of-gravity in X. |
real | 4 | pixels | pos.cartesian.x;instr.plate | |
| x_coadd | twomass_xsc | TWOMASS | x (cross-scan) position (coadd coord.). | real | 4 | arcsec | pos.cartesian;instr.det | |
| X_IMAGE | mgcDetection | MGC | Object x position | real | 4 | pixel | ||
| X_OFF | mgcGalaxyStruct | MGC | X offset of Galaxy Centre | real | 4 | 99.99 | ||
| X_OFFm | mgcGalaxyStruct | MGC | X offset error (-) | real | 4 | 99.99 | ||
| X_OFFp | mgcGalaxyStruct | MGC | X offset error (+) | real | 4 | 99.99 | ||
| x_scan | twomass_psc | TWOMASS | Mean cross-scan focal plane position of the source in the Universal scan (U-scan) coordinate system. | real | 4 | arcsec | pos.cartesian;instr.det | |
| xErr | atlasDetection | ATLASDR1 | Error in X coordinate {catalogue TType keyword: X_coordinate_err} Estimate of centroid error. |
real | 4 | pixels | stat.error | |
| xErr | atlasDetection | ATLASDR3 | Error in X coordinate {catalogue TType keyword: X_coordinate_err} Estimate of centroid error. |
real | 4 | pixels | stat.error | |
| xErr | atlasDetection | ATLASDR4 | Error in X coordinate {catalogue TType keyword: X_coordinate_err} Estimate of centroid error. |
real | 4 | pixels | stat.error | |
| xErr | atlasDetection | ATLASDR5 | Error in X coordinate {catalogue TType keyword: X_coordinate_err} Estimate of centroid error. |
real | 4 | pixels | stat.error | |
| xErr | atlasDetection | ATLASv20131127 | Error in X coordinate {catalogue TType keyword: X_coordinate_err} Estimate of centroid error. |
real | 4 | pixels | stat.error | |
| xErr | atlasDetection | ATLASv20160425 | Error in X coordinate {catalogue TType keyword: X_coordinate_err} Estimate of centroid error. |
real | 4 | pixels | stat.error | |
| xErr | atlasDetection | ATLASv20180209 | Error in X coordinate {catalogue TType keyword: X_coordinate_err} Estimate of centroid error. |
real | 4 | pixels | stat.error | |
| xErr | atlasDetection, atlasDetectionUncorr | ATLASDR2 | Error in X coordinate {catalogue TType keyword: X_coordinate_err} Estimate of centroid error. |
real | 4 | pixels | stat.error | |
| xErr | vphasDetection | VPHASv20160112 | Error in X coordinate {catalogue TType keyword: X_coordinate_err} Estimate of centroid error. |
real | 4 | pixels | stat.error | |
| xErr | vphasDetection | VPHASv20170222 | Error in X coordinate {catalogue TType keyword: X_coordinate_err} Estimate of centroid error. |
real | 4 | pixels | stat.error | |
| xErr | vphasDetection, vphasDetectionUncorr | VPHASDR3 | Error in X coordinate {catalogue TType keyword: X_coordinate_err} Estimate of centroid error. |
real | 4 | pixels | stat.error | |
| xifitrms | atlasAstrometricInfo | ATLASDR4 | RMS errors in fit for xi | float | 8 | arcsec | -0.9999995e9 | stat.error |
| xifitrms | atlasAstrometricInfo | ATLASDR5 | RMS errors in fit for xi | float | 8 | arcsec | -0.9999995e9 | stat.error |
| xifitrms | atlasAstrometricInfo | ATLASv20180209 | RMS errors in fit for xi | float | 8 | arcsec | -0.9999995e9 | stat.error |
| xifitrms | vphasAstrometricInfo | VPHASDR3 | RMS errors in fit for xi | float | 8 | arcsec | -0.9999995e9 | stat.error |
| xifitrms | vphasAstrometricInfo | VPHASv20170222 | RMS errors in fit for xi | float | 8 | arcsec | -0.9999995e9 | stat.error |
| xisc | atlasAstrometricInfo | ATLASDR4 | Scale factor in xi | float | 8 | -0.9999995e9 | instr.scale | |
| xisc | atlasAstrometricInfo | ATLASDR5 | Scale factor in xi | float | 8 | -0.9999995e9 | instr.scale | |
| xisc | atlasAstrometricInfo | ATLASv20180209 | Scale factor in xi | float | 8 | -0.9999995e9 | instr.scale | |
| xisc | vphasAstrometricInfo | VPHASDR3 | Scale factor in xi | float | 8 | -0.9999995e9 | instr.scale | |
| xisc | vphasAstrometricInfo | VPHASv20170222 | Scale factor in xi | float | 8 | -0.9999995e9 | instr.scale | |
| xizp | atlasAstrometricInfo | ATLASDR4 | Zeropoint offset in xi | float | 8 | arcsec | -0.9999995e9 | arith.zp |
| xizp | atlasAstrometricInfo | ATLASDR5 | Zeropoint offset in xi | float | 8 | arcsec | -0.9999995e9 | arith.zp |
| xizp | atlasAstrometricInfo | ATLASv20180209 | Zeropoint offset in xi | float | 8 | arcsec | -0.9999995e9 | arith.zp |
| xizp | vphasAstrometricInfo | VPHASDR3 | Zeropoint offset in xi | float | 8 | arcsec | -0.9999995e9 | arith.zp |
| xizp | vphasAstrometricInfo | VPHASv20170222 | Zeropoint offset in xi | float | 8 | arcsec | -0.9999995e9 | arith.zp |
| xnfitrms | atlasAstrometricInfo | ATLASDR4 | RMS errors in fit for xn | float | 8 | arcsec | -0.9999995e9 | stat.error |
| xnfitrms | atlasAstrometricInfo | ATLASDR5 | RMS errors in fit for xn | float | 8 | arcsec | -0.9999995e9 | stat.error |
| xnfitrms | atlasAstrometricInfo | ATLASv20180209 | RMS errors in fit for xn | float | 8 | arcsec | -0.9999995e9 | stat.error |
| xnfitrms | vphasAstrometricInfo | VPHASDR3 | RMS errors in fit for xn | float | 8 | arcsec | -0.9999995e9 | stat.error |
| xnfitrms | vphasAstrometricInfo | VPHASv20170222 | RMS errors in fit for xn | float | 8 | arcsec | -0.9999995e9 | stat.error |
| xnsc | atlasAstrometricInfo | ATLASDR4 | Scale factor in xn | float | 8 | -0.9999995e9 | instr.scale | |
| xnsc | atlasAstrometricInfo | ATLASDR5 | Scale factor in xn | float | 8 | -0.9999995e9 | instr.scale | |
| xnsc | atlasAstrometricInfo | ATLASv20180209 | Scale factor in xn | float | 8 | -0.9999995e9 | instr.scale | |
| xnsc | vphasAstrometricInfo | VPHASDR3 | Scale factor in xn | float | 8 | -0.9999995e9 | instr.scale | |
| xnsc | vphasAstrometricInfo | VPHASv20170222 | Scale factor in xn | float | 8 | -0.9999995e9 | instr.scale | |
| xnzp | atlasAstrometricInfo | ATLASDR4 | Zeropoint offset in xn | float | 8 | arcsec | -0.9999995e9 | arith.zp |
| xnzp | atlasAstrometricInfo | ATLASDR5 | Zeropoint offset in xn | float | 8 | arcsec | -0.9999995e9 | arith.zp |
| xnzp | atlasAstrometricInfo | ATLASv20180209 | Zeropoint offset in xn | float | 8 | arcsec | -0.9999995e9 | arith.zp |
| xnzp | vphasAstrometricInfo | VPHASDR3 | Zeropoint offset in xn | float | 8 | arcsec | -0.9999995e9 | arith.zp |
| xnzp | vphasAstrometricInfo | VPHASv20170222 | Zeropoint offset in xn | float | 8 | arcsec | -0.9999995e9 | arith.zp |
| xph | twomass_scn | TWOMASS | Special flag indicating whether or not another photometric problem, not obviously cloud related, was found in the scan after comparing its photometry to that of overlapping scans. | smallint | 2 | meta.code | ||
| xph | twomass_sixx2_scn | TWOMASS | downgrade from DB photom. overlap compar. (non-cloud) (0|1) | smallint | 2 | |||
| xPixSize | CurrentAstrometry | ATLASDR1 | Angular size of pixels in X | real | 4 | Arcseconds | -0.9999995e9 | pos.angDistance |
| xPixSize | CurrentAstrometry | ATLASDR2 | Angular size of pixels in X | real | 4 | Arcseconds | -0.9999995e9 | pos.angDistance |
| xPixSize | CurrentAstrometry | ATLASDR3 | Angular size of pixels in X | real | 4 | Arcseconds | -0.9999995e9 | pos.angDistance |
| xPixSize | CurrentAstrometry | ATLASDR4 | Angular size of pixels in X | real | 4 | Arcseconds | -0.9999995e9 | pos.angDistance |
| xPixSize | CurrentAstrometry | ATLASDR5 | Angular size of pixels in X | real | 4 | Arcseconds | -0.9999995e9 | pos.angDistance |
| xPixSize | CurrentAstrometry | ATLASv20131127 | Angular size of pixels in X | real | 4 | Arcseconds | -0.9999995e9 | pos.angDistance |
| xPixSize | CurrentAstrometry | ATLASv20160425 | Angular size of pixels in X | real | 4 | Arcseconds | -0.9999995e9 | pos.angDistance |
| xPixSize | CurrentAstrometry | ATLASv20180209 | Angular size of pixels in X | real | 4 | Arcseconds | -0.9999995e9 | pos.angDistance |
| xPixSize | CurrentAstrometry | VPHASDR3 | Angular size of pixels in X | real | 4 | Arcseconds | -0.9999995e9 | pos.angDistance |
| xPixSize | CurrentAstrometry | VPHASv20160112 | Angular size of pixels in X | real | 4 | Arcseconds | -0.9999995e9 | pos.angDistance |
| xPixSize | CurrentAstrometry | VPHASv20170222 | Angular size of pixels in X | real | 4 | Arcseconds | -0.9999995e9 | pos.angDistance |
| xPos | nvssSource | NVSS | X position (RA direction) of the radio source | real | 4 | pixels | pos.cartesian.x;instr.det | |
| xscprox | allwise_sc | WISE | 2MASS Extended Source Catalog (XSC) proximity. This column gives the distance between the WISE source position and the position of a nearby 2MASS XSC source, if the separation is less than 1.1 times the Ks isophotal radius size of the XSC source. This identifies WISE sources that are identically the 2MASS XSC source as well as WISE sources that are fragments of large galaxies. This column is "null" if there is no 2MASS XSC source in proximity to the WISE source. If xscprox<2" and is not "null", the WISE source is assumed to be the galaxy detected by 2MASS. The WISE source is measured using an elliptical aperture with a size, shape and orientation that is scaled from that of the 2MASS XSC source. The elliptical aperture parameters and photometry are given in the w?rsemi, w?pa, w?ba, w?gmag and w?gerr columns. | float | 8 | arcsec | ||
| xscprox | wise_allskysc | WISE | 2MASS Extended Source Catalog (XSC) proximity. This column gives the distance between the WISE source position and the position of a nearby 2MASS XSC source, if the separation is less than 1.1 times the Ks isophotal radius size of the XSC source. This identifies WISE sources that are identically the 2MASS XSC source as well as WISE sources that are fragments of large galaxies. This column is default if there is no 2MASS XSC source in proximity to the WISE source. |
real | 4 | arcsec | -0.9999995e9 | |
| xscprox | wise_prelimsc | WISE | Distance between the WISE source position and the position of a nearby 2MASS XSC source, if the separation is less than 1.1 times the Ks isophotal radius size of the XSC source This column is default if there is no 2MASS XSC source in proximity to the WISE source |
real | 4 | arcsec | -0.9999995e9 | |
| xSize | MultiframeDetector | ATLASDR1 | X-axis size of image {catalogue extension keyword: NXOUT} | int | 4 | -9999 | ||
| xSize | MultiframeDetector | ATLASDR2 | X-axis size of image {catalogue extension keyword: NXOUT} | int | 4 | -9999 | ||
| xSize | MultiframeDetector | ATLASDR3 | X-axis size of image {catalogue extension keyword: NXOUT} | int | 4 | -9999 | ||
| xSize | MultiframeDetector | ATLASDR4 | X-axis size of image {catalogue extension keyword: NXOUT} | int | 4 | -9999 | ||
| xSize | MultiframeDetector | ATLASDR5 | X-axis size of image {catalogue extension keyword: NXOUT} | int | 4 | -9999 | ||
| xSize | MultiframeDetector | ATLASv20131127 | X-axis size of image {catalogue extension keyword: NXOUT} | int | 4 | -9999 | ||
| xSize | MultiframeDetector | ATLASv20160425 | X-axis size of image {catalogue extension keyword: NXOUT} | int | 4 | -9999 | ||
| xSize | MultiframeDetector | ATLASv20180209 | X-axis size of image {catalogue extension keyword: NXOUT} | int | 4 | -9999 | ||
| xSize | MultiframeDetector | VPHASDR3 | X-axis size of image {catalogue extension keyword: NXOUT} | int | 4 | -9999 | ||
| xSize | MultiframeDetector | VPHASv20160112 | X-axis size of image {catalogue extension keyword: NXOUT} | int | 4 | -9999 | ||
| xSize | MultiframeDetector | VPHASv20170222 | X-axis size of image {catalogue extension keyword: NXOUT} | int | 4 | -9999 | ||