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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

A
Name	Schema Table	Database	Description	Type	Length	Unit	Default Value	Unified 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
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
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
apParam	Plate	SSA	Areal profile parameter	real	4			REDUCT_PARAM
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
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
aU	Detection	SSA	Semi-major axis of unweighted fitted ellipse	real	4	microns		EXTENSION_RAD
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