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** Announcement - Workshop: Science from UKIDSS II, 15-17 Dec 2008, London UK ** 		  WSA logo

Glossary of WSA attributes

This Glossary alphabetically lists all attributes used in the UKIDSSR2 database(s) held in the WSA. If you would like to have more information about the schema tables please use the UKIDSSR2 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

A

NameSchema TableDatabaseDescriptionTypeLengthUnitDefault ValueUnified Content Descriptor
a twomass_psc 2MASS Catalog identifier of an optical source from either the Tycho 2 or USNO-A2.0 catalog that falls within ~5" of the TWOMASS source position. varchar 1     ID_ALTERNATIVE
a00 CurrentSpatialMap, PreviousSpatialMap WSA the zeroth-order spatial map coefficient float 8     PHOT_ZP
a01 CurrentSpatialMap, PreviousSpatialMap WSA the first-order in y spatial map coefficient float 8     PHOT_ZP
a02 CurrentSpatialMap, PreviousSpatialMap WSA the second-order in y spatial map coefficient float 8     PHOT_ZP
a10 CurrentSpatialMap, PreviousSpatialMap WSA the first-order in x spatial map coefficient float 8     PHOT_ZP
a11 CurrentSpatialMap, PreviousSpatialMap WSA the first-order in x and y spatial map coefficient float 8     PHOT_ZP
a12 CurrentSpatialMap, PreviousSpatialMap WSA the second-order in y, first order in x spatial map coefficient float 8     PHOT_ZP
a20 CurrentSpatialMap, PreviousSpatialMap WSA the second-order in x spatial map coefficient float 8     PHOT_ZP
a21 CurrentSpatialMap, PreviousSpatialMap WSA the second-order in x, first order in y spatial map coefficient float 8     PHOT_ZP
a22 CurrentSpatialMap, PreviousSpatialMap WSA the second-order in x and y spatial map coefficient float 8     PHOT_ZP
adjacentFrameTolerance Programme WSA The match tolerance for adjacent frames in the survey real 4 Degrees   ??
aI Detection SSA Semi-major axis of intensity-weighted fitted ellip. real 4 microns   EXTENSION_RAD
air_temp twomass_scn 2MASS Air temperature at beginning of scan. real 4 degC   PHYS_TEMP_MISC
airm twomass_scn 2MASS Airmass at beginning of scan. real 4     PHOT_ATM_AIRMASS
airTemp Multiframe WSA Air temperature {image primary HDU keyword: AIRTEMP} real 4 degrees_Celsius -0.9999995e9 PHYS_TEMP_MISC
ambiPressure Multiframe WSA Ambient pressure {image primary HDU keyword: BARPRESS} real 4   -0.9999995e9 PHYS_PRESS_GAS
amEnd Multiframe WSA Airmass at end of observation {image primary HDU keyword: AMEND} real 4   -0.9999995e9 PHOT_ATM_AIRMASS
amStart Multiframe WSA Airmass at start of observation {image primary HDU keyword: AMSTART} real 4   -0.9999995e9 PHOT_ATM_AIRMASS
anom twomass_scn 2MASS Special flag indicating whether or not an unusual problem was found in the Atlas Images for this scan. smallint 2     CODE_MISC
ap1 Detection SSA Area above 1st areal profile threshold int 4 pixels   EXTENSION_AREA
ap2 Detection SSA Area above 2nd areal profile threshold int 4 pixels   EXTENSION_AREA
ap3 Detection SSA Area above 3rd areal profile threshold int 4 pixels   EXTENSION_AREA
ap4 Detection SSA Area above 4th areal profile threshold int 4 pixels   EXTENSION_AREA
ap5 Detection SSA Area above 5th areal profile threshold int 4 pixels   EXTENSION_AREA
ap6 Detection SSA Area above 6th areal profile threshold int 4 pixels   EXTENSION_AREA
ap7 Detection SSA Area above 7th areal profile threshold int 4 pixels   EXTENSION_AREA
ap8 Detection SSA Area above 8th areal profile threshold int 4 pixels   EXTENSION_AREA
aperCor1 MultiframeDetector WSA Stellar aperture correction: 1⁄2 × core flux {catalogue extension keyword:  APCOR1} real 4   -0.9999995e9 ??
aperCor2 MultiframeDetector WSA Stellar aperture correction: 1⁄√2 core flux {catalogue extension keyword:  APCOR2} real 4   -0.9999995e9 ??
aperCor3 MultiframeDetector WSA Stellar aperture correction: core flux {catalogue extension keyword:  APCOR3} real 4   -0.9999995e9 ??
aperCor4 MultiframeDetector WSA Stellar aperture correction: √2 × core flux {catalogue extension keyword:  APCOR4} real 4   -0.9999995e9 ??
aperCor5 MultiframeDetector WSA Stellar aperture correction: 2 × core flux {catalogue extension keyword:  APCOR5} real 4   -0.9999995e9 ??
aperCor6 MultiframeDetector WSA Stellar aperture correction: 2√2 × core flux {catalogue extension keyword:  APCOR6} real 4   -0.9999995e9 ??
aperCor7 MultiframeDetector WSA Stellar aperture correction: 4 × core flux {catalogue extension keyword:  APCOR7} real 4   -0.9999995e9 ??
aperCorPeak MultiframeDetector WSA Stellar aperture correction: peak height {catalogue extension keyword:  APCORPK} real 4   -0.9999995e9 ??
aperFlux1 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default aperture flux counts 1 {catalogue TType keyword: Aper_flux_1}
1/2 × rcore		 real 4 ADU   PHOT_INTENSITY_ADU
These are a series of different radii soft-edged apertures designed to adequately sample the curve-of-growth of the majority of images and to provide fixed-sized aperture fluxes for all images. The scale size for these apertures is selected by defining a scale radius ≈<FWHM> for site+instrument. In the case of WFCAM this "core" radius (rcore) has been fixed at 1.0 arcsec for convenience in inter-comparison with other datasets. A 1.0 arcsec radius is equivalent to 2.5 pixels for non-interleaved data, 5.0 pixels for 2×2 interleaved data, and 7.5 pixels for 3×3 interleaved data. In ≈1 arcsec seeing an rcore-radius aperture contains roughly 2/3 of the total flux of stellar images. [In general the rcore parameter is user specifiable and hence is recorded in the output catalogue FITS header.]
The aperture fluxes are sky-corrected integrals (summations) with a soft-edge (ie. pro-rata flux division for boundary pixels). However, for overlapping images they are more subtle than this since they are in practice simultaneously fitted top-hat functions, to minimise the effects of crowding. Images external to the blend are also flagged and not included in the large radius summations.
Extras for generalised galaxy photometry further spaced in radius to ensure reasonable sampling further out.
Note these are all corrected for pixels from overlapping neighbouring images. The aperture fluxes can be combined with later-derived aperture corrections for general purpose photometry and together with pHeight (the peak flux) give a simple curve-of-growth measurement which forms the basis of the morphological classification scheme.
aperFlux10 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default aperture flux 10 {catalogue TType keyword: Aper_flux_10}
7 × rcore (see glossary entry for aperFlux1)		 real 4 ADU   PHOT_INTENSITY_ADU
aperFlux10err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in aperture flux 10 {catalogue TType keyword: Aper_flux_10_err} real 4 ADU   ERROR
aperFlux11 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default aperture flux 11 {catalogue TType keyword: Aper_flux_11}
8 × rcore (see glossary entry for aperFlux1)		 real 4 ADU   PHOT_INTENSITY_ADU
aperFlux11err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in aperture flux 11 {catalogue TType keyword: Aper_flux_11_err} real 4 ADU   ERROR
aperFlux12 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default aperture flux 12 {catalogue TType keyword: Aper_flux_12}
10 × rcore (see glossary entry for aperFlux1)		 real 4 ADU   PHOT_INTENSITY_ADU
aperFlux12err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in aperture flux 12 {catalogue TType keyword: Aper_flux_12_err} real 4 ADU   ERROR
aperFlux13 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default aperture flux 13 {catalogue TType keyword: Aper_flux_13}
12 × rcore ie. ≈24 arcsec diameter. (see glossary entry for aperFlux1)		 real 4 ADU   PHOT_INTENSITY_ADU
aperFlux13err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in aperture flux 13 {catalogue TType keyword: Aper_flux_13_err} real 4 ADU   ERROR
aperFlux1err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in aperture flux counts 1 {catalogue TType keyword: Aper_flux_1_err} real 4 ADU   ERROR
aperFlux2 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default aperture flux 2 {catalogue TType keyword: Aper_flux_2}
1/√2 × rcore (see glossary entry for aperFlux1)		 real 4 ADU   PHOT_INTENSITY_ADU
aperFlux2err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in aperture flux 2 {catalogue TType keyword: Aper_flux_2_err} real 4 ADU   ERROR
aperFlux3 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default aperture flux 3 {catalogue TType keyword: Aper_flux_3}
rcore; recommended if a single number is required to represent the flux for ALL images. (see glossary entry for aperFlux1)		 real 4 ADU   PHOT_INTENSITY_ADU
aperFlux3err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in aperture flux 3 {catalogue TType keyword: Aper_flux_3_err} real 4 ADU   ERROR
aperFlux4 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default aperture flux 4 {catalogue TType keyword: Aper_flux_4}
√2 × rcore; ensures ∼99% of PSF flux. (see glossary entry for aperFlux1)		 real 4 ADU   PHOT_INTENSITY_ADU
aperFlux4err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in aperture flux 4 {catalogue TType keyword: Aper_flux_4_err} real 4 ADU   ERROR
aperFlux5 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default aperture flux 5 {catalogue TType keyword: Aper_flux_5}
2 × rcore (see glossary entry for aperFlux1)		 real 4 ADU   PHOT_INTENSITY_ADU
aperFlux5err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in aperture flux 5 {catalogue TType keyword: Aper_flux_5_err} real 4 ADU   ERROR
aperFlux6 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default aperture flux 6 {catalogue TType keyword: Aper_flux_6}
2√2 × rcore (see glossary entry for aperFlux1)		 real 4 ADU   PHOT_INTENSITY_ADU
aperFlux6err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in aperture flux 6 {catalogue TType keyword: Aper_flux_6_err} real 4 ADU   ERROR
aperFlux7 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default aperture flux 7 {catalogue TType keyword: Aper_flux_7}
4 × rcore (see glossary entry for aperFlux1)		 real 4 ADU   PHOT_INTENSITY_ADU
aperFlux7err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in aperture flux 7 {catalogue TType keyword: Aper_flux_7_err} real 4 ADU   ERROR
aperFlux8 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default aperture flux 8 {catalogue TType keyword: Aper_flux_8}
5 × rcore (see glossary entry for aperFlux1)		 real 4 ADU   PHOT_INTENSITY_ADU
aperFlux8err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in aperture flux 8 {catalogue TType keyword: Aper_flux_8_err} real 4 ADU   ERROR
aperFlux9 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default aperture flux 9 {catalogue TType keyword: Aper_flux_9}
6 × rcore (see glossary entry for aperFlux1)		 real 4 ADU   PHOT_INTENSITY_ADU
aperFlux9err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in aperture flux 9 {catalogue TType keyword: Aper_flux_9_err} real 4 ADU   ERROR
aperMag1 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, udsDetection, udsListRemeasurement WSA default calibrated aperture magnitude 1 real 4 mag   PHOT_INT-MAG
aperMag1 lasDetection, lasListRemeasurement WSA default calibrated aperture magnitude 1 {catalogue extension keyword:  APCOR1} real 4 mag   PHOT_INT-MAG
aperMag10 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default calibrated aperture magnitude 10 real 4 mag   PHOT_INT-MAG
aperMag10err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in calibrated aperture magnitude 10 real 4 mag   ERROR
aperMag11 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default calibrated aperture magnitude 11 real 4 mag   PHOT_INT-MAG
aperMag11err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in calibrated aperture magnitude 11 real 4 mag   ERROR
aperMag12 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default calibrated aperture magnitude 12 real 4 mag   PHOT_INT-MAG
aperMag12err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in calibrated aperture magnitude 12 real 4 mag   ERROR
aperMag13 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default calibrated aperture magnitude 13 real 4 mag   PHOT_INT-MAG
aperMag13err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in calibrated aperture magnitude 13 real 4 mag   ERROR
aperMag1err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in calibrated aperture magnitude 1 real 4 mag   ERROR
aperMag2 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, udsDetection, udsListRemeasurement WSA default calibrated aperture magnitude 2 real 4 mag   PHOT_INT-MAG
aperMag2 lasDetection, lasListRemeasurement WSA default calibrated aperture magnitude 2 {catalogue extension keyword:  APCOR2} real 4 mag   PHOT_INT-MAG
aperMag2err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in calibrated aperture magnitude 2 real 4 mag   ERROR
aperMag3 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, udsDetection, udsListRemeasurement WSA default calibrated aperture magnitude 3 real 4 mag   PHOT_INT-MAG
aperMag3 lasDetection, lasListRemeasurement WSA default calibrated aperture magnitude 3 {catalogue extension keyword:  APCOR3} real 4 mag   PHOT_INT-MAG
aperMag3err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in calibrated aperture magnitude 3 real 4 mag   ERROR
aperMag4 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, udsDetection, udsListRemeasurement WSA default calibrated aperture magnitude 4 real 4 mag   PHOT_INT-MAG
aperMag4 lasDetection, lasListRemeasurement WSA default calibrated aperture magnitude 4 {catalogue extension keyword:  APCOR4} real 4 mag   PHOT_INT-MAG
aperMag4err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in calibrated aperture magnitude 4 real 4 mag   ERROR
aperMag5 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, udsDetection, udsListRemeasurement WSA default calibrated aperture magnitude 5 real 4 mag   PHOT_INT-MAG
aperMag5 lasDetection, lasListRemeasurement WSA default calibrated aperture magnitude 5 {catalogue extension keyword:  APCOR5} real 4 mag   PHOT_INT-MAG
aperMag5err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in calibrated aperture magnitude 5 real 4 mag   ERROR
aperMag6 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, udsDetection, udsListRemeasurement WSA default calibrated aperture magnitude 6 real 4 mag   PHOT_INT-MAG
aperMag6 lasDetection, lasListRemeasurement WSA default calibrated aperture magnitude 6 {catalogue extension keyword:  APCOR6} real 4 mag   PHOT_INT-MAG
aperMag6err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in calibrated aperture magnitude 6 real 4 mag   ERROR
aperMag7 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, udsDetection, udsListRemeasurement WSA default calibrated aperture magnitude 7 real 4 mag   PHOT_INT-MAG
aperMag7 lasDetection, lasListRemeasurement WSA default calibrated aperture magnitude 7 {catalogue extension keyword:  APCOR7} real 4 mag   PHOT_INT-MAG
aperMag7err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in calibrated aperture magnitude 7 real 4 mag   ERROR
aperMag8 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default calibrated aperture magnitude 8 real 4 mag   PHOT_INT-MAG
aperMag8err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in calibrated aperture magnitude 8 real 4 mag   ERROR
aperMag9 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA default calibrated aperture magnitude 9 real 4 mag   PHOT_INT-MAG
aperMag9err calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA Error in calibrated aperture magnitude 9 real 4 mag   ERROR
aperture RequiredListDrivenProduct WSA CASU list-driven photometry tool option specifying the fixed radius to be used for photometry real 4 pixels   ??
apertureX Multiframe WSA Aperture X axis coordinate {image primary HDU keyword: APER_X} real 4 arcsec -0.9999995e9  
apertureY Multiframe WSA Aperture Y axis coordinate {image primary HDU keyword: APER_Y} real 4 arcsec -0.9999995e9  
apParam Plate SSA Areal profile parameter real 4     REDUCT_PARAM
aProf1 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA No. of pixels above rethreshold 1 {catalogue TType keyword: Areal_1_profile} int 4 pixels   NUMBER
Number of pixels above a series of threshold levels relative to local sky. Levels are set at T, 2T, 4T, 8T … 128T where T is the threshold. These can be thought of as a sort of poor man's radial profile. Note that for now deblended, ie. overlapping images, only the first areal profile is computed and the rest are set to -1 flagging the difficulty of computing accurate profiles.
For blended images this parameter is used to flag the start of the sequence of the deblended components by setting the first in the sequence to 0.
aProf2 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA No. of pixels above rethreshold 2 {catalogue TType keyword: Areal_2_profile}
(see glossary entry for aProf1)		 int 4 pixels   NUMBER
aProf3 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA No. of pixels above rethreshold 3 {catalogue TType keyword: Areal_3_profile}
(see glossary entry for aProf1)		 int 4 pixels   NUMBER
aProf4 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA No. of pixels above rethreshold 4 {catalogue TType keyword: Areal_4_profile}
(see glossary entry for aProf1)		 int 4 pixels   NUMBER
aProf5 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA No. of pixels above rethreshold 5 {catalogue TType keyword: Areal_5_profile}
(see glossary entry for aProf1)		 int 4 pixels   NUMBER
aProf6 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA No. of pixels above rethreshold 6 {catalogue TType keyword: Areal_6_profile}
(see glossary entry for aProf1)		 int 4 pixels   NUMBER
aProf7 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA No. of pixels above rethreshold 7 {catalogue TType keyword: Areal_7_profile}
(see glossary entry for aProf1)		 int 4 pixels   NUMBER
aProf8 calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement WSA No. of pixels above rethreshold 8 {catalogue TType keyword: Areal_8_profile}
(see glossary entry for aProf1)		 int 4 pixels   NUMBER
area Detection SSA Area within detection isophote int 4 pixels   EXTENSION_AREA
areaCut Plate SSA Minimum area of detected object tinyint 1 pixels   NUMBER
areaMax Plate SSA Maximum object area in IAM file int 4 pixels   EXTENSION_AREA
areaMin Plate SSA Minimum object area in IAM file int 4 pixels   EXTENSION_AREA
astigAmpl Multiframe WSA Astigmatism: amplitude {image primary HDU keyword: AAMP} real 4   -0.9999995e9  
astigPhi Multiframe WSA Astigmatism: angle {image primary HDU keyword: APHI} real 4   -0.9999995e9  
astResidX Plate SSA Residual of astrometric fit in X real 4 arcsec   FIT_RESIDUAL
astResidY Plate SSA Residual of astrometric fit in Y real 4 arcsec   FIT_RESIDUAL
astromID DifferenceImage, MosaicImage, StackImage WSA the ID of the superframe for the astrometry bigint 8     ID_FRAME
aU Detection SSA Semi-major axis of unweighted fitted ellipse real 4 microns   EXTENSION_RAD
autoGuiderFreq Multiframe WSA Autoguider: Frequency {image primary HDU keyword: AGFREQ} real 4   -0.9999995e9  
avSaturLevel MultiframeDetector WSA Average saturation level in frame {catalogue extension keyword:  SATURATE} real 4   -0.9999995e9 ??
avStellarEll MultiframeDetector WSA Average stellar ellipticity (1-b/a) {catalogue extension keyword:  ELLIPTIC} real 4   -0.9999995e9 PHYS_ELLIPTICITY
axis1Length MultiframeDetector WSA length of data axis 1 int 4     NUMBER
axis2Length MultiframeDetector WSA length of data axis 2 int 4     NUMBER
aXmax Plate SSA SuperCOSMOS XMAX of measured area real 4 microns   POS_PLATE_X
aXmin Plate SSA SuperCOSMOS XMIN of measured area real 4 microns   POS_PLATE_X
aYmax Plate SSA SuperCOSMOS YMAX of measured area real 4 microns   POS_PLATE_Y
aYmin Plate SSA SuperCOSMOS YMIN of measured area real 4 microns   POS_PLATE_Y


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27/01/2009