WSA Browser

Glossary of WSA attributes

This Glossary alphabetically lists all attributes used in the UKIDSSDR10 database(s) held in the WSA. If you would like to have more information about the schema tables please use the UKIDSSDR10 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

G

Name Schema Table Database Description Type Length Unit Default Value Unified Content Descriptor

g_flux phot_variable_time_series_g_fov GAIADR1 G-band flux for each FoV observation float 8 electrons/second phot.flux;em.opt

g_flux_error phot_variable_time_series_g_fov GAIADR1 Estimated uncertainty on G-band flux for each FoV observation float 8 electrons/second stat.error;phot.flux;em.opt

g_mag_zero_oint_error ext_phot_zero_point GAIADR1 Uncertainty on G magnitude zero point float 8 mag stat.error;phot.mag;arith.zp;em.opt

g_mag_zero_point ext_phot_zero_point GAIADR1 G magnitude zero point float 8 mag phot.mag;arith.zp;em.opt

g_magnitude phot_variable_time_series_g_fov GAIADR1 G-band magnitude for each FoV observation float 8 mag phot.mag;em.opt

g_score twomass_xsc 2MASS galaxy score: 1(extended) < g_score < 2(point-like). real 4 CODE_MISC

gain MultiframeDetector WSA Detector gain {image extension keyword: GAIN} real 4 electrons/ADU -0.9999995e9 ??

gain MultiframeDetector WSACalib Detector gain {image extension keyword: GAIN} real 4 electrons/ADU -0.9999995e9 ??

gain MultiframeDetector WSATransit Detector gain {image extension keyword: GAIN} real 4 electrons/ADU -0.9999995e9 ??

gain MultiframeDetector WSAUHS Detector gain {image extension keyword: GAIN} real 4 electrons/ADU -0.9999995e9 ??

gal_contam twomass_psc 2MASS Extended source "contamination" flag. smallint 2 CODE_MISC

gal_contam twomass_sixx2_psc 2MASS src contaminated by galaxy (check blanked/subtracted tbl) smallint 2

galactic_lat igsl_source GAIADR1 Galactic latitude real 4 degrees pos.galatic.lat

galactic_lon igsl_source GAIADR1 Galactic longitude real 4 degrees pos.galatic.lon

gauSig UKIDSSDetection WSA RMS of axes of ellipse fit real 4 pixels MORPH_PARAM

gauSig calDetection WSACalib RMS of axes of ellipse fit {catalogue TType keyword: Gaussian_sigma} real 4 pixels MORPH_PARAM

These are derived from the three general intensity-weighted second moments. The equivalence between them and a generalised elliptical Gaussian Distribution is used to derive Gaussian sigma = (σ_a²+σ_b²)^½

gauSig dxsDetection, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement WSA RMS of axes of ellipse fit {catalogue TType keyword: Gaussian_sigma} real 4 pixels MORPH_PARAM

These are derived from the three general intensity-weighted second moments. The equivalence between them and a generalised elliptical Gaussian Distribution is used to derive Gaussian sigma = (σ_a²+σ_b²)^½

gauSig ptsDetection WSATransit RMS of axes of ellipse fit {catalogue TType keyword: Gaussian_sigma} real 4 pixels MORPH_PARAM

These are derived from the three general intensity-weighted second moments. The equivalence between them and a generalised elliptical Gaussian Distribution is used to derive Gaussian sigma = (σ_a²+σ_b²)^½

gauSig udsDetection WSA RMS of axes of ellipse fit {catalogue TType keyword: Gaussian_sigma} real 4 pixels MORPH_PARAM

Derived from the maximum and minimum spatial RMS of the object profile along any direction, ie. 0.5*(A_IMAGE² + B_IMAGE²)^½

gauSig uhsDetection, uhsDetectionAll WSAUHS RMS of axes of ellipse fit {catalogue TType keyword: Gaussian_sigma} real 4 pixels MORPH_PARAM

These are derived from the three general intensity-weighted second moments. The equivalence between them and a generalised elliptical Gaussian Distribution is used to derive Gaussian sigma = (σ_a²+σ_b²)^½

gcnf twomass_sixx2_psc, twomass_sixx2_xsc 2MASS Group confusion flag 0=not confused or single apparation, 1=confused smallint 2

gcntr twomass_sixx2_psc, twomass_sixx2_xsc 2MASS A unique identifier for the merged group of apparitions of this source int 4

glat allwise_sc2 WISE Galactic latitude computed from the non-moving source fit equatorial position. CAUTION: This coordinate should not be used as an astrometric reference. float 8 deg

glat twomass_psc 2MASS Galactic latitude rounded to 0.001 deg. real 4 degrees POS_GAL_LAT

glat twomass_scn 2MASS Galactic latitude of scan center, as computed from ra and dec above. real 4 degrees POS_GAL_LAT

glat twomass_sixx2_scn 2MASS galactic latitude (decimal deg) of scan center float 8 deg

glat twomass_xsc 2MASS Galactic latitude (decimal deg) based on peak pixel. real 4 degrees POS_GAL_LAT

glon allwise_sc2 WISE Galactic longitude, computed from the non-moving source fit equatorial position. CAUTION: This coordinate should not be used as an astrometric reference. float 8 deg

glon twomass_psc 2MASS Galactic longitude rounded to 0.001 deg. real 4 degrees POS_GAL_LON

glon twomass_scn 2MASS Galactic longitude of scan center, as computed from ra and dec above. real 4 degrees POS_GAL_LON

glon twomass_sixx2_scn 2MASS galactic longitude (decimal deg) of scan center float 8 deg

glon twomass_xsc 2MASS Galactic longitude (decimal deg) based on peak pixel. real 4 degrees POS_GAL_LON

gpsEnd Multiframe WSA Date and time (UTC) of end of the observation from GPS data {image primary HDU keyword: GPS-END} datetime 8 12-31-9999 time.epoch

gpsEnd Multiframe WSACalib Date and time (UTC) of end of the observation from GPS data {image primary HDU keyword: GPS-END} datetime 8 12-31-9999 time.epoch

gpsEnd Multiframe WSATransit Date and time (UTC) of end of the observation from GPS data {image primary HDU keyword: GPS-END} datetime 8 12-31-9999 time.epoch

gpsEnd Multiframe WSAUHS Date and time (UTC) of end of the observation from GPS data {image primary HDU keyword: GPS-END} datetime 8 12-31-9999 time.epoch

gpsObs Multiframe WSA Date and time (UTC) of start of the observation from GPS data {image primary HDU keyword: GPS-OBS} datetime 8 12-31-9999 time.epoch

gpsObs Multiframe WSACalib Date and time (UTC) of start of the observation from GPS data {image primary HDU keyword: GPS-OBS} datetime 8 12-31-9999 time.epoch

gpsObs Multiframe WSATransit Date and time (UTC) of start of the observation from GPS data {image primary HDU keyword: GPS-OBS} datetime 8 12-31-9999 time.epoch

gpsObs Multiframe WSAUHS Date and time (UTC) of start of the observation from GPS data {image primary HDU keyword: GPS-OBS} datetime 8 12-31-9999 time.epoch

grpMem Multiframe WSA Group membership (0=F, 1=T) {image primary HDU keyword: GRPMEM} tinyint 1 0 CODE_MEM

grpMem Multiframe WSACalib Group membership (0=F, 1=T) {image primary HDU keyword: GRPMEM} tinyint 1 0 CODE_MEM

grpMem Multiframe WSATransit Group membership (0=F, 1=T) {image primary HDU keyword: GRPMEM} tinyint 1 0 CODE_MEM

grpMem Multiframe WSAUHS Group membership (0=F, 1=T) {image primary HDU keyword: GRPMEM} tinyint 1 0 CODE_MEM

grpNum Multiframe WSA Group number applied to all members {image primary HDU keyword: GRPNUM} int 4 -99999999 meta.number

grpNum Multiframe WSACalib Group number applied to all members {image primary HDU keyword: GRPNUM} int 4 -99999999 meta.number

grpNum Multiframe WSATransit Group number applied to all members {image primary HDU keyword: GRPNUM} int 4 -99999999 meta.number

grpNum Multiframe WSAUHS Group number applied to all members {image primary HDU keyword: GRPNUM} int 4 -99999999 meta.number

gsc2Class first08Jul16Source FIRST morphological classification in GSC-2 version 2.3.2 (s=stellar, g=nonstellar/galaxy) varchar 1

gsc2Mag first08Jul16Source FIRST GSC2 F magnitude real 4 mag

gsc2Matches first08Jul16Source FIRST number of matches within a fiducial radius (10 arcsec) with GSC-2 version 2.3.2 int 4

gsc2Sep first08Jul16Source FIRST separation of the nearest match in GSC-2 version 2.3.2 from the FIRST position real 4 arcsec

gsDec Multiframe WSA Declination of guide star {image primary HDU keyword: GSDEC} float 8 degrees -0.9999995e9 pos.eq.dec;meta.main

gsDec Multiframe WSACalib Declination of guide star {image primary HDU keyword: GSDEC} float 8 degrees -0.9999995e9 pos.eq.dec;meta.main

gsDec Multiframe WSATransit Declination of guide star {image primary HDU keyword: GSDEC} float 8 degrees -0.9999995e9 pos.eq.dec;meta.main

gsDec Multiframe WSAUHS Declination of guide star {image primary HDU keyword: GSDEC} float 8 degrees -0.9999995e9 pos.eq.dec;meta.main

gsRa Multiframe WSA Right ascension of guide star {image primary HDU keyword: GSRA} float 8 hours -0.9999995e9 pos.eq.ra;meta.main

gsRa Multiframe WSACalib Right ascension of guide star {image primary HDU keyword: GSRA} float 8 hours -0.9999995e9 pos.eq.ra;meta.main

gsRa Multiframe WSATransit Right ascension of guide star {image primary HDU keyword: GSRA} float 8 hours -0.9999995e9 pos.eq.ra;meta.main

gsRa Multiframe WSAUHS Right ascension of guide star {image primary HDU keyword: GSRA} float 8 hours -0.9999995e9 pos.eq.ra;meta.main

guiding Multiframe WSA Guider status (OFF|ON|PAUSED) {image primary HDU keyword: GUIDING} varchar 10 NONE

guiding Multiframe WSACalib Guider status (OFF|ON|PAUSED) {image primary HDU keyword: GUIDING} varchar 10 NONE

guiding Multiframe WSATransit Guider status (OFF|ON|PAUSED) {image primary HDU keyword: GUIDING} varchar 10 NONE

guiding Multiframe WSAUHS Guider status (OFF|ON|PAUSED) {image primary HDU keyword: GUIDING} varchar 10 NONE

WFAU, Institute for Astronomy,
Royal Observatory, Blackford Hill
Edinburgh, EH9 3HJ, UK

wsa-support@roe.ac.uk
29/06/2018