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

C
Name	Schema Table	Database	Description	Type	Length	Unit	Default Value	Unified Content Descriptor
c_strat	twomass_scn	2MASS	Flag indicating the calibration strategy for this night's data.	smallint	2			CODE_MISC
calType	Plate	SSA	Intensity calibration wedge fit type, eg. SPLINE	varchar	16			INST_PARAM
CalXK	Plate	SSA	Stationary point in profile cal. curve	real	4	inst. profile mag		FIT_PARAM_VALUE
cc_flg	twomass_psc	2MASS	Contamination and confusion flag.	varchar	3			CODE_MISC
cc_flg	twomass_xsc	2MASS	indicates artifact contamination and/or confusion.	varchar	1			CODE_MISC
centrePitch	FieldSystem	SSA	The pitch of the field centres	real	4	degrees		OBS_DIFF
cEpoch	Plate	SSA	Catalogue epoch	real	4	year		TIME_EPOCH
cEpTSys	Plate	SSA	Catalogue epoch time system, eg. JULIAN	varchar	16			NOTE
cEqTSys	Plate	SSA	Catalogue equinox time system, eg. JULIAN	varchar	16			NOTE
cEquinox	Plate	SSA	Catalogue equinox	real	4	year		TIME_EQUINOX
chi2	Source	SSA	Chi-squared value of proper motion solution	real	4		-0.99999995e9	FIT_CHI2
class	Detection	SSA	Classification flag	tinyint	1			CLASS_OBJECT
classB	Source	SSA	Image classification from B band detection	tinyint	1		0	CLASS_OBJECT
classI	Source	SSA	Image classification from I band detection	tinyint	1		0	CLASS_OBJECT
classMagB	Source	SSA	B band magnitude selected by B image class	real	4	mag	-99.999995	PHOT_PHG_BJ
classMagI	Source	SSA	I band magnitude selected by I image class	real	4	mag	-99.999995	PHOT_PHG_I
classMagR1	Source	SSA	R1 band magnitude selected by R1 image class	real	4	mag	-99.999995	PHOT_PHG_R
classMagR2	Source	SSA	R2 band magnitude selected by R2 image class	real	4	mag	-99.999995	PHOT_PHG_R
classR1	Source	SSA	Image classification from R1 band detection	tinyint	1		0	CLASS_OBJECT
classR2	Source	SSA	Image classification from R2 band detection	tinyint	1		0	CLASS_OBJECT
cld	twomass_scn	2MASS	Special flag indicating whether or not a cloud was found in the scan after comparison of its photometry to that of overlapping scans in the database.	smallint	2			CODE_MISC
coadd	twomass_psc	2MASS	Sequence number of the Atlas Image in which the position of this source falls.	smallint	2			NUMBER
coadd	twomass_xsc	2MASS	3-digit coadd number (unique within scan).	smallint	2			NUMBER
coadd_key	twomass_psc	2MASS	Unique identification number of the record in the Atlas Image Data Table (NOT YET AVAILABLE) that corresponds to Image in which the position of this source falls.	int	4			ID_NUMBER
coadd_key	twomass_xsc	2MASS	key to coadd data record in "scan DB".	int	4			ID_NUMBER
coeffs1	Plate	SSA	1st coefficient of astrometric fit for XY to obs. xi,eta	float	8			FIT_PARAM_VALUE
coeffs2	Plate	SSA	2nd coefficient of astrometric fit for XY to obs. xi,eta	float	8			FIT_PARAM_VALUE
coeffs3	Plate	SSA	3rd coefficient of astrometric fit for XY to obs. xi,eta	float	8			FIT_PARAM_VALUE
coeffs4	Plate	SSA	4th coefficient of astrometric fit for XY to obs. xi,eta	float	8			FIT_PARAM_VALUE
coeffs5	Plate	SSA	5th coefficient of astrometric fit for XY to obs. xi,eta	float	8			FIT_PARAM_VALUE
coeffs6	Plate	SSA	6th coefficient of astrometric fit for XY to obs. xi,eta	float	8			FIT_PARAM_VALUE
colour	Survey	SSA	Survey colour, eg. blue, red or near-infrared	varchar	16			OBS_BAND
contam_flg	twomass_xsc	2MASS	contamination flag: 0=no stars, 1=stellar flux incl. in mag.	smallint	2			CODE_MISC
cosmag	Detection	SSA	Isophotal magnitude	real	4	instrumental units		PHOT_PHG_MAG
cubicDist	Plate	SSA	Cubic coefficient of radial distortion	float	8			FIT_PARAM_VALUE
cx	Detection, Field, Source	SSA	Cartesian x of unit (ra,dec) vector on celestial sphere	float	8			POS_EQ_X
cx	twomass_psc, twomass_scn, twomass_xsc	2MASS	unit vector of spherical co-ordinates	float	8			POS_EQ_X
cy	Detection, Field, Source	SSA	Cartesian y of unit (ra,dec) vector on celestial sphere	float	8			POS_EQ_Y
cy	twomass_psc, twomass_scn, twomass_xsc	2MASS	unit vector of spherical co-ordinates	float	8			POS_EQ_Y
cz	Detection, Field, Source	SSA	Cartesian z of unit (ra,dec) vector on celestial sphere	float	8			POS_EQ_Z
cz	twomass_psc, twomass_scn, twomass_xsc	2MASS	unit vector of spherical co-ordinates	float	8			POS_EQ_Z