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Glossary of WSA attributes
This Glossary alphabetically lists all attributes used in the UKIDSSR1 database(s) held in the WSA. If you would like to have more information about the schema tables please use the UKIDSSR1 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

Y
Name	Schema Table	Database	Description	Type	Length	Unit	Default Value	Unified Content Descriptor
y	calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement	WSA	Y coordinate of detection {catalogue TType keyword: Y_coordinate}	real	4	pixels		POS_PLATE_Y
y	u05a18Detection	WSA	Y coordinate of detection {catalogue TType keyword: Y_coordinate} Intensity-weighted isophotal centre-of-gravity in Y.	real	4	pixels		POS_PLATE_Y
y_coadd	twomass_xsc	2MASS	y (in-scan) position (coadd coord.).	real	4	arcsec		INST_POS
yCen	Detection	SSA	Intensity-weighted Y-centroid of image	float	8	microns		POS_PLATE_Y
yClass	commSource, gcsSource, gcsSourceRemeasurement, lasSource, lasSourceRemeasurement	WSA	discrete image classification flag in Y	smallint	2		-9999	CLASS_MISC
yClassStat	commSource, gcsSource, gcsSourceRemeasurement, lasSource, lasSourceRemeasurement	WSA	N(0,1) stellarness-of-profile statistic in Y	real	4		-0.9999995e9	STAT_PROP
yDeblend	commSource, gcsSource, gcsSourceRemeasurement, lasSource, lasSourceRemeasurement	WSA	flag indicating parent/child relation in Y	int	4		-99999999	CODE_MISC
yEll	commSource, gcsSource, gcsSourceRemeasurement, lasSource, lasSourceRemeasurement	WSA	1-b/a, where a/b=semi-major/minor axes in Y	real	4		-0.9999995e9	PHYS_ELLIPTICITY
yeNum	calMergeLog, commMergeLog, gcsMergeLog, lasMergeLog	WSA	the extension number of this Y detector	tinyint	1			NUMBER
yErr	calDetection, commDetection, dxsDetection, dxsListRemeasurement, gcsDetection, gcsListRemeasurement, gpsDetection, gpsListRemeasurement, lasDetection, lasListRemeasurement, udsDetection, udsListRemeasurement	WSA	Error in Y coordinate {catalogue TType keyword: Y_coordinate_err}	real	4	pixels		ERROR
yErr	u05a18Detection	WSA	Error in Y coordinate {catalogue TType keyword: Y_coordinate_err} Estimate of centroid error.	real	4	pixels		ERROR
yErrBits	commSource, gcsSource, gcsSourceRemeasurement, lasSource, lasSourceRemeasurement	WSA	processing warning/error bitwise flags in Y	int	4		-99999999	CODE_MISC
yEta	commSource, gcsSource, lasSource	WSA	Offset of Y detection from master position (+north/-south)	real	4	arcsec	-0.9999995e9	POS_EQ_DEC_OFF
yGausig	commSource, gcsSource, gcsSourceRemeasurement, lasSource, lasSourceRemeasurement	WSA	RMS of axes of ellipse fit in Y	real	4	pixels	-0.9999995e9	MORPH_PARAM
yMag	commSource, gcsSource, gcsSourceRemeasurement, lasSource, lasSourceRemeasurement	WSA	Y mag (as appropriate for this merged source)	real	4	mag	-0.9999995e9	PHOT_MAG
yMagErr	commSource, gcsSource, gcsSourceRemeasurement, lasSource, lasSourceRemeasurement	WSA	Error in Y mag	real	4	mag	-0.9999995e9	ERROR
ymax	Detection	SSA	Topmost extent of image on plate	float	8	microns		POS_PLATE_Y
ymfID	calMergeLog, commMergeLog, gcsMergeLog, lasMergeLog	WSA	the UID of the relevant Y multiframe	bigint	8			ID_FRAME
ymin	Detection	SSA	Bottommost extent of image on plate	float	8	microns		POS_PLATE_Y
ymj	commSource, gcsSource	WSA	Default colour Y-J (using appropriate mags)	real	4	mag	-0.9999995e9	PHOT_COLOR
ymj	gcsSourceRemeasurement, lasSourceRemeasurement	WSA	Default colour Y-J (using appropriate mags)	real	4	mag		PHOT_COLOR
ymj_1	lasSource	WSA	Default colour Y-J (using appropriate mags)	real	4	mag	-0.9999995e2	PHOT_COLOR
ymj_1Err	lasSource	WSA	Error on colour Y-J	real	4	mag	-0.9999995e2	ERROR
ymjErr	commSource, gcsSource	WSA	Error on colour Y-J	real	4	mag	-0.9999995e9	ERROR
ymjErr	gcsSourceRemeasurement, lasSourceRemeasurement	WSA	Error on colour Y-J	real	4	mag		ERROR
yObjID	commSource, gcsSource, lasSource	WSA	the UID of the Y detection	bigint	8		-99999999	ID_NUMBER
yObjID	gcsSourceRemeasurement, lasSourceRemeasurement	WSA	the UID of the Y remeasurement	bigint	8		-99999999	ID_NUMBER
yPA	commSource, gcsSource, gcsSourceRemeasurement, lasSource, lasSourceRemeasurement	WSA	ellipse fit celestial orientation in Y	real	4	Degrees	-0.9999995e9	POS_POS-ANG
yPixSize	CurrentAstrometry, PreviousAstrometry	WSA	Angular size of pixels in Y	real	4	Arcseconds		POS_ANG_DIST_GENERAL
yPnt	Plate	SSA	Centre of scan area in Y	real	4	microns		POS_PLATE_Y
yppErrBits	commSource, gcsSource, gcsSourceRemeasurement, lasSource, lasSourceRemeasurement	WSA	additional WFAU post-processing error bits in Y	int	4		-99999999	CODE_MISC
ySeqNum	commSource, gcsSource, lasSource	WSA	the running number of the Y detection	int	4		-99999999	ID_NUMBER
ySeqNum	gcsSourceRemeasurement, lasSourceRemeasurement	WSA	the running number of the Y remeasurement	int	4		-99999999	ID_NUMBER
yXi	commSource, gcsSource, lasSource	WSA	Offset of Y detection from master position (+east/-west)	real	4	arcsec	-0.9999995e9	POS_EQ_RA_OFF