VSA Browser

Glossary of VSA attributes

This Glossary alphabetically lists all attributes used in the VSAv20110218 database(s) held in the VSA. If you would like to have more information about the schema tables please use the VSAv20110218 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 combo17CDFSSource COMBO17 x-coordinate on image cdfs_r.fit real 4 pix

x svNgc253Detection VSASVNGC253 X coordinate of detection {catalogue TType keyword: X_coordinate}
Intensity-weighted isophotal centre-of-gravity in X. real 4 pixels POS_PLATE_X

x svOrionDetection VSASVORION X coordinate of detection {catalogue TType keyword: X_coordinate}
Intensity-weighted isophotal centre-of-gravity in X. real 4 pixels POS_PLATE_X

x ultravistaDetection VSAUltraVISTA X coordinate of detection (SE: X_IMAGE) {catalogue TType keyword: X_coordinate}
Intensity-weighted isophotal centre-of-gravity in X. real 4 pixels POS_PLATE_X

x ultravistaDetection, videoDetection VSAQC X coordinate of detection (SE: X_IMAGE) {catalogue TType keyword: X_coordinate}
Intensity-weighted isophotal centre-of-gravity in X. real 4 pixels POS_PLATE_X

x ultravistaListRemeasurement VSAUltraVISTA X coordinate of detection {catalogue TType keyword: X_coordinate}
Intensity-weighted isophotal centre-of-gravity in X. real 4 pixels POS_PLATE_X

x ultravistaListRemeasurement, vhsDetection, vhsListRemeasurement, videoListRemeasurement, vikingDetection, vikingListRemeasurement, vmcDetection, vmcListRemeasurement, vvvDetection, vvvListRemeasurement VSAQC X coordinate of detection {catalogue TType keyword: X_coordinate}
Intensity-weighted isophotal centre-of-gravity in X. real 4 pixels POS_PLATE_X

X_BJ grs_ngpSource, grs_ranSource, grs_sgpSource TWODFGRS Plate x_bj in 8 micron pixels real 4

x_coadd twomass_xsc 2MASS x (cross-scan) position (coadd coord.). real 4 arcsec INST_POS

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_R spectra SIXDF x position of object from R frame int 4

x_scan twomass_psc 2MASS Mean cross-scan focal plane position of the source in the Universal scan (U-scan) coordinate system. real 4 arcsec INST_POS

X_V spectra SIXDF x position of object from V frame int 4

xErr svNgc253Detection VSASVNGC253 Error in X coordinate {catalogue TType keyword: X_coordinate_err}
Estimate of centroid error. real 4 pixels ERROR

xErr svOrionDetection VSASVORION Error in X coordinate {catalogue TType keyword: X_coordinate_err}
Estimate of centroid error. real 4 pixels ERROR

xErr ultravistaDetection VSAUltraVISTA Error in X coordinate (SE: ERRX2_IMAGE^½) {catalogue TType keyword: X_coordinate_err}
Estimate of centroid error. real 4 pixels ERROR

xErr ultravistaDetection, videoDetection VSAQC Error in X coordinate (SE: ERRX2_IMAGE^½) {catalogue TType keyword: X_coordinate_err}
Estimate of centroid error. real 4 pixels ERROR

xErr ultravistaListRemeasurement VSAUltraVISTA Error in X coordinate {catalogue TType keyword: X_coordinate_err}
Estimate of centroid error. real 4 pixels ERROR

xErr ultravistaListRemeasurement, vhsDetection, vhsListRemeasurement, videoListRemeasurement, vikingDetection, vikingListRemeasurement, vmcDetection, vmcListRemeasurement, vvvDetection, vvvListRemeasurement VSAQC Error in X coordinate {catalogue TType keyword: X_coordinate_err}
Estimate of centroid error. real 4 pixels ERROR

XERR_R spectra SIXDF error on X_R position int 4

XERR_V spectra SIXDF error on X_V position int 4

xifitrms vikingAstrometricInfo VSAVIKING RMS errors in fit for xi float 8 arcsec -0.9999995e9 ??

xifitrms vmcAstrometricInfo VSAVMC RMS errors in fit for xi float 8 arcsec -0.9999995e9 ??

xisc vikingAstrometricInfo VSAVIKING Scale factor in xi float 8 -0.9999995e9 ??

xisc vmcAstrometricInfo VSAVMC Scale factor in xi float 8 -0.9999995e9 ??

xizp vikingAstrometricInfo VSAVIKING Zeropoint offset in xi float 8 arcsec -0.9999995e9 ??

xizp vmcAstrometricInfo VSAVMC Zeropoint offset in xi float 8 arcsec -0.9999995e9 ??

xnfitrms vikingAstrometricInfo VSAVIKING RMS errors in fit for xn float 8 arcsec -0.9999995e9 ??

xnfitrms vmcAstrometricInfo VSAVMC RMS errors in fit for xn float 8 arcsec -0.9999995e9 ??

xnsc vikingAstrometricInfo VSAVIKING Scale factor in xn float 8 -0.9999995e9 ??

xnsc vmcAstrometricInfo VSAVMC Scale factor in xn float 8 -0.9999995e9 ??

xnzp vikingAstrometricInfo VSAVIKING Zeropoint offset in xn float 8 arcsec -0.9999995e9 ??

xnzp vmcAstrometricInfo VSAVMC Zeropoint offset in xn float 8 arcsec -0.9999995e9 ??

xph twomass_scn 2MASS 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 CODE_MISC

xph twomass_sixx2_scn 2MASS downgrade from DB photom. overlap compar. (non-cloud) (0|1) smallint 2

xPixSize CurrentAstrometry VSASVNGC253 Angular size of pixels in X real 4 Arcseconds -0.9999995e9 POS_ANG_DIST_GENERAL

xPixSize CurrentAstrometry VSASVORION Angular size of pixels in X real 4 Arcseconds -0.9999995e9 POS_ANG_DIST_GENERAL

xPixSize CurrentAstrometry VSAUltraVISTA Angular size of pixels in X real 4 Arcseconds -0.9999995e9 POS_ANG_DIST_GENERAL

xPixSize CurrentAstrometry VSAVHS Angular size of pixels in X real 4 Arcseconds -0.9999995e9 POS_ANG_DIST_GENERAL

xPixSize CurrentAstrometry VSAVIDEO Angular size of pixels in X real 4 Arcseconds -0.9999995e9 POS_ANG_DIST_GENERAL

xPixSize CurrentAstrometry VSAVIKING Angular size of pixels in X real 4 Arcseconds -0.9999995e9 POS_ANG_DIST_GENERAL

xPixSize CurrentAstrometry VSAVMC Angular size of pixels in X real 4 Arcseconds -0.9999995e9 POS_ANG_DIST_GENERAL

xPixSize CurrentAstrometry VSAVVV Angular size of pixels in X real 4 Arcseconds -0.9999995e9 POS_ANG_DIST_GENERAL

xPixSize ultravistaCurrentAstrometry, vhsCurrentAstrometry, videoCurrentAstrometry, vikingCurrentAstrometry, vmcCurrentAstrometry, vvvCurrentAstrometry VSAQC Angular size of pixels in X real 4 Arcseconds -0.9999995e9 POS_ANG_DIST_GENERAL

xPos nvssSource NVSS X position (RA direction) of the radio source real 4 pixels POS_CCD_X

xSize MultiframeDetector VSASVNGC253 X-axis size of image {catalogue extension keyword: NXOUT} int 4 -9999

xSize MultiframeDetector VSASVORION X-axis size of image {catalogue extension keyword: NXOUT} int 4 -9999

xSize MultiframeDetector VSAUltraVISTA X-axis size of image {catalogue extension keyword: NXOUT} int 4 -9999

xSize MultiframeDetector VSAVHS X-axis size of image {catalogue extension keyword: NXOUT} int 4 -9999

xSize MultiframeDetector VSAVIDEO X-axis size of image {catalogue extension keyword: NXOUT} int 4 -9999

xSize MultiframeDetector VSAVIKING X-axis size of image {catalogue extension keyword: NXOUT} int 4 -9999

xSize MultiframeDetector VSAVMC X-axis size of image {catalogue extension keyword: NXOUT} int 4 -9999

xSize MultiframeDetector VSAVVV X-axis size of image {catalogue extension keyword: NXOUT} int 4 -9999

xSize ultravistaMultiframeDetector, vhsMultiframeDetector, videoMultiframeDetector, vikingMultiframeDetector, vmcMultiframeDetector, vvvMultiframeDetector VSAQC X-axis size of image int 4 -9999

WFAU, Institute for Astronomy,
Royal Observatory, Blackford Hill
Edinburgh, EH9 3HJ, UK
Tel +44 131 668 8356 (office)
or +44 131 668 8100 (switchboard)

vsa-support@roe.ac.uk
21/02/2011