Home | Overview | Browser | Access | Login | Cookbook | nonSurvey

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

S
Name	Schema Table	Database	Description	Type	Length	Unit	Default Value	Unified Content Descriptor
scan	twomass_psc	2MASS	The nightly scan number in which the source was detected.	smallint	2			NUMBER
scan	twomass_scn	2MASS	Scan number (unique within date).	smallint	2			NUMBER
scan	twomass_xsc	2MASS	scan number (unique within date).	smallint	2			NUMBER
scan_key	twomass_psc	2MASS	Unique identification number of the record in the Scan Information Table that corresponds to the survey scan in which this source was detected.	int	4			ID_NUMBER
scan_key	twomass_scn	2MASS	the unique identification number for this scan.	int	4			ID_NUMBER
scan_key	twomass_xsc	2MASS	key to scan data record in "scan DB".	int	4			ID_NUMBER
scanlen	Plate	SSA	SuperCOSMOS CCD lane scan length	smallint	2	pixels		INST_PARAM
scanMaterial	Plate	SSA	Photographic medium, eg. Original glass, Copy film, Copy glass	varchar	16			REMARKS
scdGrid	Plate	SSA	Non-linear distortion mask filename	varchar	80			ID_FILE
sCorMagB	Source	SSA	B band magnitude assuming object is star	real	4	mag	-99.999995	PHOT_PHG_BJ
sCorMagI	Source	SSA	I band magnitude assuming object is star	real	4	mag	-99.999995	PHOT_PHG_I
sCorMagR1	Source	SSA	R1 band magnitude assuming object is star	real	4	mag	-99.999995	PHOT_PHG_R
sCorMagR2	Source	SSA	R2 band magnitude assuming object is star	real	4	mag	-99.999995	PHOT_PHG_R
sd	twomass_scn	2MASS	Scanning direction: "n" = north-going, "s" = south-going.	varchar	1			POS_POS-ANG
sdssID	CrossNeighboursDR2	SSA	The object identifier from BestDR2.PhotoObj	bigint	8			ID_CATALOG
sdssID	CrossNeighboursDR5	SSA	The object identifier from BestDR5.PhotoObj	bigint	8			ID_CATALOG
sdssPrimary	CrossNeighboursDR2, CrossNeighboursDR5	SSA		tinyint	1			CODE_MISC
sdssType	CrossNeighboursDR2, CrossNeighboursDR5	SSA	The SDSS image classification flag	int	4			CLASS_OBJECT
seam	Detection	SSA	Seam index: = zero or SSAfield for seamless selection	smallint	2			ID_FIELD
shiftPnt	Plate	SSA	Shift of from nominal to fitted plate centre	float	8	radians		POS_OFFSET
sigDec	Source	SSA	Uncertainty in Dec (formal random error not inc. systematic errors)	float	8	degrees		ERROR
sigMuAcosD	Source	SSA	Error on proper motion in RA direction	real	4	mas/yr	-0.99999995e9	ERROR
sigMuD	Source	SSA	Error on proper motion in Dec direction	real	4	mas/yr	-0.99999995e9	ERROR
sigRA	Source	SSA	Uncertainty in RA (formal random error not inc. systematic errors)	float	8	degrees		ERROR
skyDefn	Plate	SSA	Method of defining sky, eg. "median"	varchar	16			REDUCT_METHOD
skyFilter	Plate	SSA	Box filter weights for sky determination	varchar	16			REDUCT_PARAM
skySquare	Plate	SSA	Blocksize (one side) of sky background	smallint	2	pixels		REDUCT_PARAM
sMag	Detection	SSA	Magnitude calculated on assumption object is star	real	4	mag		MODEL_MAG_VALUE
softVersion	Plate	SSA	Software version, eg. /home/scosdev/v033	varchar	18			ID_VERSION
sosp	Plate	SSA	SuperCOSMOS start of scan CCD pixel number	smallint	2			INST_PARAM
sourceID	Detection	SSA	objID for corresponding merged record in Source	bigint	8			ID_ASSOCIATED
SSAfield	Detection	SSA	SSS field number (ESO/SRC system) that this detection falls in.	smallint	2			ID_FIELD
ssaID	CrossNeighbours2MASSPSC, CrossNeighbours2MASSXSC, CrossNeighboursDR2, CrossNeighboursDR5	SSA	The object identifier from the SSA Source table	bigint	8			ID_MAIN
starCat	Plate	SSA	Name of reference star catalogue used for astrometric fit	varchar	80			ID_CATALOG
starsInit	Plate	SSA	No. of refstars in initial astrometric solution	int	4			NUMBER
starsSelec	Plate	SSA	No. of refstars initially selected	int	4			NUMBER
starsUsed	Plate	SSA	No. of refstars in final astrometric solution	int	4			NUMBER
stepsize	Plate	SSA	SuperCOSMOS nominal pixel size	real	4	microns		INST_PIXSIZE
stepWdg	Plate	SSA	Intensity calibration step-wedge type, eg. kpno	varchar	16			INST_PARAM
sup_ba	twomass_xsc	2MASS	Minor/major axis ratio fit to 3-sig. super-coadd isophote.	real	4			PHYS_AXIS-RATIO
sup_chif_ellf	twomass_xsc	2MASS	super-coadd % chi-fraction for ellip. fit to 3-sig isophote.	real	4			FIT_PARAM_VALUE
sup_dec	twomass_xsc	2MASS	Super-coadd centroid Dec (J2000 decimal deg).	float	8	degrees		POS_EQ_DEC_MAIN
sup_phi	twomass_xsc	2MASS	Super-coadd angle to major axis (E of N).	smallint	2	degrees		POS_POS-ANG
sup_r_3sig	twomass_xsc	2MASS	Super-coadd 3-sigma isophotal semi-major axis radius.	real	4	arcsec		ERROR
sup_ra	twomass_xsc	2MASS	Super-coadd centroid RA (J2000 decimal deg).	float	8	degrees		POS_EQ_RA_MAIN
surveyID	Detection	SSA	The survey that collected the data	tinyint	1			ID_SURVEY
surveyID	Plate	SSA	Every plate comes from a survey	tinyint	1			ID_SURVEY
surveyID	Survey	SSA	Unique survey identifier in the SSA	tinyint	1			ID_SURVEY
surveyName	Survey	SSA	Survey name, eg. SERC-J/EJ	varchar	16			ID_CATALOG
surveyRef	Survey	SSA	Literature reference for survey	varchar	256			REFER_CODE
sys_flg	twomass_xsc	2MASS	system flag: 0=no system, 1=nearby galaxy flux incl. in mag.	smallint	2			CODE_MISC
systemID	Field	SSA	Unique identifier of the system of survey field centres	tinyint	1			ID_MAIN
systemID	FieldSystem	SSA	The system of survey fields used for the survey	tinyint	1			ID_MAIN
systemID	Survey	SSA	The system of survey fields used for the survey	tinyint	1			NOTE