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Glossary of VSA attributes
This Glossary alphabetically lists all attributes used in the VSAv20110218 database(s) held in the VSA. If you would like to have more information about the schema tables please use the VSAv20110218 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

G
Name	Schema Table	Database	Description	Type	Length	Unit	Default Value	Unified Content Descriptor
g_score	twomass_xsc	2MASS	galaxy score: 1(extended) < g_score < 2(point-like).	real	4			CODE_MISC
GAIN_R	spectra	SIXDF	R gain	real	4
GAIN_V	spectra	SIXDF	V gain	real	4
gainCor	MultiframeDetector	VSASVNGC253	Gain correction factor {image extension keyword: GAINCOR}	real	4		-0.9999995e9
gainCor	MultiframeDetector	VSASVORION	Gain correction factor {image extension keyword: GAINCOR}	real	4		-0.9999995e9
gainCor	MultiframeDetector	VSAUltraVISTA	Gain correction factor {image extension keyword: GAINCOR}	real	4		-0.9999995e9
gainCor	MultiframeDetector	VSAVHS	Gain correction factor {image extension keyword: GAINCOR}	real	4		-0.9999995e9
gainCor	MultiframeDetector	VSAVIDEO	Gain correction factor {image extension keyword: GAINCOR}	real	4		-0.9999995e9
gainCor	MultiframeDetector	VSAVIKING	Gain correction factor {image extension keyword: GAINCOR}	real	4		-0.9999995e9
gainCor	MultiframeDetector	VSAVMC	Gain correction factor {image extension keyword: GAINCOR}	real	4		-0.9999995e9
gainCor	MultiframeDetector	VSAVVV	Gain correction factor {image extension keyword: GAINCOR}	real	4		-0.9999995e9
gainCor	ultravistaMultiframeDetector, vhsMultiframeDetector, videoMultiframeDetector, vikingMultiframeDetector, vmcMultiframeDetector, vvvMultiframeDetector	VSAQC	Gain correction factor	real	4		-0.9999995e9
gal_contam	twomass_psc	2MASS	Extended source "contamination" flag.	smallint	2			CODE_MISC
gal_contam	twomass_sixx2_psc	2MASS	src contaminated by galaxy (check blanked/subtracted tbl)	smallint	2
gauSig	svNgc253Detection	VSASVNGC253	RMS of axes of ellipse fit {catalogue TType keyword: Gaussian_sigma}	real	4	pixels		MORPH_PARAM
			These are derived from the three general intensity-weighted second moments. The equivalence between them and a generalised elliptical Gaussian Distribution is used to derive Gaussian sigma = (σa²+σb²)½
gauSig	svOrionDetection	VSASVORION	RMS of axes of ellipse fit {catalogue TType keyword: Gaussian_sigma}	real	4	pixels		MORPH_PARAM
			These are derived from the three general intensity-weighted second moments. The equivalence between them and a generalised elliptical Gaussian Distribution is used to derive Gaussian sigma = (σa²+σb²)½
gauSig	ultravistaDetection	VSAUltraVISTA	RMS of axes of ellipse fit {catalogue TType keyword: Gaussian_sigma}	real	4	pixels		MORPH_PARAM
			Derived from the maximum and minimum spatial RMS of the object profile along any direction, ie. 0.5*(A_IMAGE² + B_IMAGE²)½
gauSig	ultravistaDetection, videoDetection	VSAQC	RMS of axes of ellipse fit {catalogue TType keyword: Gaussian_sigma}	real	4	pixels		MORPH_PARAM
			Derived from the maximum and minimum spatial RMS of the object profile along any direction, ie. 0.5*(A_IMAGE² + B_IMAGE²)½
gauSig	ultravistaListRemeasurement	VSAUltraVISTA	RMS of axes of ellipse fit {catalogue TType keyword: Gaussian_sigma}	real	4	pixels		MORPH_PARAM
			These are derived from the three general intensity-weighted second moments. The equivalence between them and a generalised elliptical Gaussian Distribution is used to derive Gaussian sigma = (σa²+σb²)½
gauSig	ultravistaListRemeasurement, vhsDetection, vhsListRemeasurement, videoListRemeasurement, vikingDetection, vikingListRemeasurement, vmcDetection, vmcListRemeasurement, vvvDetection, vvvListRemeasurement	VSAQC	RMS of axes of ellipse fit {catalogue TType keyword: Gaussian_sigma}	real	4	pixels		MORPH_PARAM
			These are derived from the three general intensity-weighted second moments. The equivalence between them and a generalised elliptical Gaussian Distribution is used to derive Gaussian sigma = (σa²+σb²)½
GB	target	SIXDF	galactic latitude	float	8	degrees
gcnf	twomass_sixx2_psc, twomass_sixx2_xsc	2MASS	Group confusion flag 0=not confused or single apparation, 1=confused	smallint	2
gcntr	twomass_sixx2_psc, twomass_sixx2_xsc	2MASS	A unique identifier for the merged group of apparitions of this source	int	4
GL	target	SIXDF	galactic longitude	float	8	degrees
glat	twomass_psc	2MASS	Galactic latitude rounded to 0.001 deg.	real	4	degrees		POS_GAL_LAT
glat	twomass_scn	2MASS	Galactic latitude of scan center, as computed from ra and dec above.	real	4	degrees		POS_GAL_LAT
glat	twomass_sixx2_scn	2MASS	galactic latitude (decimal deg) of scan center	float	8	deg
glat	twomass_xsc	2MASS	Galactic latitude (decimal deg) based on peak pixel.	real	4	degrees		POS_GAL_LAT
globalSourceID	sage_lmcIracSource, sage_lmcMips160Source, sage_lmcMips24Source, sage_lmcMips70Source	SPITZER	Unique identifier	int	4
glon	twomass_psc	2MASS	Galactic longitude rounded to 0.001 deg.	real	4	degrees		POS_GAL_LON
glon	twomass_scn	2MASS	Galactic longitude of scan center, as computed from ra and dec above.	real	4	degrees		POS_GAL_LON
glon	twomass_sixx2_scn	2MASS	galactic longitude (decimal deg) of scan center	float	8	deg
glon	twomass_xsc	2MASS	Galactic longitude (decimal deg) based on peak pixel.	real	4	degrees		POS_GAL_LON
GRATBLAZ_R	spectra	SIXDF	R blaze direction	varchar	10
GRATBLAZ_V	spectra	SIXDF	V blaze direction	varchar	10
GRATID_R	spectra	SIXDF	grating ID in R frame	varchar	14
GRATID_V	spectra	SIXDF	grating ID in V frame	varchar	14
GRATSET_R	spectra	SIXDF	R grating micrometer setting	real	4
GRATSET_V	spectra	SIXDF	V grating micrometer setting	real	4
GRATSLOT_R	spectra	SIXDF	R grating slot ID	char	1
GRATSLOT_V	spectra	SIXDF	V grating slot ID	char	1
grpNum	Multiframe	VSASVNGC253	Value of 1st OBSNUM in jitter sequence (i.e. group number applied to all members) {image primary HDU keyword: JITTRNUM}	int	4		-99999999
grpNum	Multiframe	VSASVORION	Value of 1st OBSNUM in jitter sequence (i.e. group number applied to all members) {image primary HDU keyword: JITTRNUM}	int	4		-99999999
grpNum	Multiframe	VSAUltraVISTA	Value of 1st OBSNUM in jitter sequence (i.e. group number applied to all members) {image primary HDU keyword: JITTRNUM}	int	4		-99999999
grpNum	Multiframe	VSAVHS	Value of 1st OBSNUM in jitter sequence (i.e. group number applied to all members) {image primary HDU keyword: JITTRNUM}	int	4		-99999999
grpNum	Multiframe	VSAVIDEO	Value of 1st OBSNUM in jitter sequence (i.e. group number applied to all members) {image primary HDU keyword: JITTRNUM}	int	4		-99999999
grpNum	Multiframe	VSAVIKING	Value of 1st OBSNUM in jitter sequence (i.e. group number applied to all members) {image primary HDU keyword: JITTRNUM}	int	4		-99999999
grpNum	Multiframe	VSAVMC	Value of 1st OBSNUM in jitter sequence (i.e. group number applied to all members) {image primary HDU keyword: JITTRNUM}	int	4		-99999999
grpNum	Multiframe	VSAVVV	Value of 1st OBSNUM in jitter sequence (i.e. group number applied to all members) {image primary HDU keyword: JITTRNUM}	int	4		-99999999
grpNum	ultravistaMultiframe, vhsMultiframe, videoMultiframe, vikingMultiframe, vmcMultiframe, vvvMultiframe	VSAQC	Value of 1st OBSNUM in jitter sequence (i.e. group number applied to all members)	int	4		-99999999
gsc2Class	first08Jul16Source	FIRST	morphological classification in GSC-2 version 2.3.2 (s=stellar, g=nonstellar/galaxy)	varchar	1
gsc2Mag	first08Jul16Source	FIRST	GSC2 F magnitude	real	4	mag
gsc2Matches	first08Jul16Source	FIRST	number of matches within a fiducial radius (10 arcsec) with GSC-2 version 2.3.2	int	4
gsc2Sep	first08Jul16Source	FIRST	separation of the nearest match in GSC-2 version 2.3.2 from the FIRST position	real	4	arcsec
gsMag	combo17CDFSSource	COMBO17	Absolute restframe magnitude in SDSS g (calculated from redshifted best_fit template, depending on redshift and filter extrapolation outside the COMBO-17 filter set can be necessary, only calculated for objects classified as galaxies)	real	4	mag