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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

B
Name	Schema Table	Database	Description	Type	Length	Unit	Default Value	Unified Content Descriptor
b	CurrentAstrometry	VSASVNGC253	Galactic latitude of device centre	float	8	Degrees		POS_GAL_LAT
b	CurrentAstrometry	VSASVORION	Galactic latitude of device centre	float	8	Degrees		POS_GAL_LAT
b	CurrentAstrometry	VSAUltraVISTA	Galactic latitude of device centre	float	8	Degrees		POS_GAL_LAT
b	CurrentAstrometry	VSAVHS	Galactic latitude of device centre	float	8	Degrees		POS_GAL_LAT
b	CurrentAstrometry	VSAVIDEO	Galactic latitude of device centre	float	8	Degrees		POS_GAL_LAT
b	CurrentAstrometry	VSAVIKING	Galactic latitude of device centre	float	8	Degrees		POS_GAL_LAT
b	CurrentAstrometry	VSAVMC	Galactic latitude of device centre	float	8	Degrees		POS_GAL_LAT
b	CurrentAstrometry	VSAVVV	Galactic latitude of device centre	float	8	Degrees		POS_GAL_LAT
b	glimpse1_hrc, glimpse1_mca, glimpse2_hrc, glimpse2_mca, glimpse_hrc_inter, glimpse_mca_inter	GLIMPSE	Galactic latitude	float	8	degrees		POS_GAL_LAT
b	svNgc253Detection, svNgc253Source	VSASVNGC253	Galactic latitude	float	8	Degrees		POS_GAL_LAT
b	svOrionDetection, svOrionSource	VSASVORION	Galactic latitude	float	8	Degrees		POS_GAL_LAT
b	ultravistaCurrentAstrometry, vhsCurrentAstrometry, videoCurrentAstrometry, vikingCurrentAstrometry, vmcCurrentAstrometry, vvvCurrentAstrometry	VSAQC	Galactic latitude of device centre	float	8	Degrees		POS_GAL_LAT
b	ultravistaDetection	VSAUltraVISTA	Galactic latitude	float	8	Degrees		POS_GAL_LAT
b	ultravistaDetection, ultravistaListRemeasurement, ultravistaSource, ultravistaSourceRemeasurement, vhsDetection, vhsListRemeasurement, vhsSource, vhsSourceRemeasurement, videoDetection, videoListRemeasurement, videoSource, videoSourceRemeasurement, vikingDetection, vikingListRemeasurement, vikingSource, vikingSourceRemeasurement, vmcDetection, vmcListRemeasurement, vmcSource, vmcSourceRemeasurement, vmcSynopticSource, vvvDetection, vvvListRemeasurement, vvvSource, vvvSourceRemeasurement	VSAQC	Galactic latitude	float	8	Degrees		POS_GAL_LAT
B1	mgcGalaxyStruct	MGC	Background correction applied to A1	real	4		99.99
B2	mgcGalaxyStruct	MGC	Background correction applied to A2	real	4		99.99
B3	mgcGalaxyStruct	MGC	Background correction applied to A3	real	4		99.99
B4	mgcGalaxyStruct	MGC	Background correction applied to A4	real	4		99.99
b_err	glimpse1_hrc, glimpse1_mca, glimpse2_hrc, glimpse2_mca, glimpse_hrc_inter, glimpse_mca_inter	GLIMPSE	Error in Galactic latitude	float	8	arcsec		ERROR
B_IMAGE	mgcDetection	MGC	Flux rms along minor axis	real	4	pixel
b_m_opt	twomass_psc	2MASS	Blue magnitude of associated optical source.	real	4	mag		SPECT_FLUX_VALUE
B_MGC	mgcDetection	MGC	Best of MAG_AUTO and MAG_ISOCOR	real	4	mag
B_MGC_DC	mgcDetection	MGC	B_MGC corrected for extinction	real	4	mag
BACK	mgcGalaxyStruct	MGC	Background Level (digital units)	real	4		99.99
BACKGRND	mgcDetection	MGC	Background at object position	real	4	count
BACKm	mgcGalaxyStruct	MGC	Background Level error (-)	real	4		99.99
BACKp	mgcGalaxyStruct	MGC	Background Level error (+)	real	4		99.99
bandMergingCriterion	Programme	VSAQC	maximum timespan over which different filters are merged into sources in the synoptic source table.	real	4	minutes	-0.9999995e9
bandMergingCriterion	Programme	VSASVNGC253	maximum timespan over which different filters are merged into sources in the synoptic source table.	real	4	minutes	-0.9999995e9
bandMergingCriterion	Programme	VSASVORION	maximum timespan over which different filters are merged into sources in the synoptic source table.	real	4	minutes	-0.9999995e9
bandMergingCriterion	Programme	VSAUltraVISTA	maximum timespan over which different filters are merged into sources in the synoptic source table.	real	4	minutes	-0.9999995e9
bandMergingCriterion	Programme	VSAVHS	maximum timespan over which different filters are merged into sources in the synoptic source table.	real	4	minutes	-0.9999995e9
bandMergingCriterion	Programme	VSAVIDEO	maximum timespan over which different filters are merged into sources in the synoptic source table.	real	4	minutes	-0.9999995e9
bandMergingCriterion	Programme	VSAVIKING	maximum timespan over which different filters are merged into sources in the synoptic source table.	real	4	minutes	-0.9999995e9
bandMergingCriterion	Programme	VSAVMC	maximum timespan over which different filters are merged into sources in the synoptic source table.	real	4	minutes	-0.9999995e9
bandMergingCriterion	Programme	VSAVVV	maximum timespan over which different filters are merged into sources in the synoptic source table.	real	4	minutes	-0.9999995e9
bauto	machoLMCSource, machoSMCSource	MACHO	blue: A-1 robustified measurements over LC autocorrelation (lag=0) coefficient	real	4
BBDWEIGHT	mgcGalaxyStruct	MGC	Weight from MGC4 BBD	real	4
BBDWEIGHTERR	mgcGalaxyStruct	MGC	Error in weight from MGC4 BBD	real	4
BbMag	combo17CDFSSource	COMBO17	Absolute restframe magnitude in Bessell B (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
bchi2r	machoLMCSource, machoSMCSource	MACHO	blue: chi^2 per degree of freedom for robustified LC (variable star search)	real	4
bchi2w	machoLMCSource, machoSMCSource	MACHO	blue: chi^2 per degree of freedom of fit to "constant flux" hypothesis weighted by flux errors	real	4
bcosmave	machoLMCSource, machoSMCSource	MACHO	blue: average of cosmic ray sodophot measure	real	4
bcrdave	machoLMCSource, machoSMCSource	MACHO	blue: average of crowding sodophot measure	real	4
bdskyave	machoLMCSource, machoSMCSource	MACHO	blue: average of blue dsky sodophot measure	real	4
bdskysig	machoLMCSource, machoSMCSource	MACHO	blue: sqrt of variance of blue dsky sodophot measure	real	4
berrave	machoLMCSource, machoSMCSource	MACHO	blue: average error of measurements on LC in units of A, where A is the the measured flux divided by the median flux.	real	4
berraver	machoLMCSource, machoSMCSource	MACHO	blue: average error on robustified LC	real	4
BEST_Z	mgcBrightSpec	MGC	Best redshift	real	4
BEST_ZQUAL	mgcBrightSpec	MGC	Quality of best redshift	tinyint	1
BESTTQZ_Z	mgcBrightSpec	MGC	2qz redshift	real	4
BF_D	combo17CDFSSource	COMBO17	flux in filter B in run D (07.10.-22.10.1999)	float	8
BF_F	combo17CDFSSource	COMBO17	flux in filter B in run F (21.09.-30.09.2000)	float	8
BF_S	combo17CDFSSource	COMBO17	combined flux in filter B; corrected for the gain of the CCD and only applied to objects without variability flag	float	8
bgrCpsa	rosat_bsc, rosat_fsc	ROSAT	background countrate, vignetting corrected	real	4	counts/sec/arcmin**2		INST_BACKGROUND
BII	twoxmm, twoxmm_v1_2, twoxmmi_dr3_v1_0	XMM	Galactic latitude of the detection in degrees corresponding to the (corrected) coordinates RA and DEC.	float	8	degrees
bitsPerPix	MultiframeDetector	VSASVNGC253	Number of bits per data pixel, eg. +32 = 4 byte integers {image extension keyword: BITPIX}	smallint	2	FITS bitpix		NUMBER
bitsPerPix	MultiframeDetector	VSASVORION	Number of bits per data pixel, eg. +32 = 4 byte integers {image extension keyword: BITPIX}	smallint	2	FITS bitpix		NUMBER
bitsPerPix	MultiframeDetector	VSAUltraVISTA	Number of bits per data pixel, eg. +32 = 4 byte integers {image extension keyword: BITPIX}	smallint	2	FITS bitpix		NUMBER
bitsPerPix	MultiframeDetector	VSAVHS	Number of bits per data pixel, eg. +32 = 4 byte integers {image extension keyword: BITPIX}	smallint	2	FITS bitpix		NUMBER
bitsPerPix	MultiframeDetector	VSAVIDEO	Number of bits per data pixel, eg. +32 = 4 byte integers {image extension keyword: BITPIX}	smallint	2	FITS bitpix		NUMBER
bitsPerPix	MultiframeDetector	VSAVIKING	Number of bits per data pixel, eg. +32 = 4 byte integers {image extension keyword: BITPIX}	smallint	2	FITS bitpix		NUMBER
bitsPerPix	MultiframeDetector	VSAVMC	Number of bits per data pixel, eg. +32 = 4 byte integers {image extension keyword: BITPIX}	smallint	2	FITS bitpix		NUMBER
bitsPerPix	MultiframeDetector	VSAVVV	Number of bits per data pixel, eg. +32 = 4 byte integers {image extension keyword: BITPIX}	smallint	2	FITS bitpix		NUMBER
bitsPerPix	ultravistaMultiframeDetector, vhsMultiframeDetector, videoMultiframeDetector, vikingMultiframeDetector, vmcMultiframeDetector, vvvMultiframeDetector	VSAQC	Number of bits per data pixel, eg. +32 = 4 byte integers	smallint	2	FITS bitpix		NUMBER
BJG	grs_ngpSource, grs_ranSource, grs_sgpSource	TWODFGRS	Final bj magnitude without extinction correction	real	4
BJG_100	grs_ngpSource, grs_ranSource, grs_sgpSource	TWODFGRS	100k release bj magnitude without extinction correction (prior to re-calibration to BJG)	real	4
BJG_OLD	grs_ngpSource, grs_ranSource, grs_sgpSource	TWODFGRS	Original bj magnitude without extinction correction (prior to re-calibration to BJG)	real	4
BjMag	combo17CDFSSource	COMBO17	Absolute restframe magnitude in Johnson B (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
BJSEL	grs_ngpSource, grs_ranSource, grs_sgpSource	TWODFGRS	Final bj magnitude with extinction correction (i.e. with corrections for isophote, field-effects and plate-matching, then calibrated to total mags with saturation correction, and then extinction corrected)	real	4
BJSEL_100	grs_ngpSource, grs_ranSource, grs_sgpSource	TWODFGRS	100k release bj magnitude with extinction correction (prior to re-calibration to BJSEL)	real	4
BJSELOLD	grs_ngpSource, grs_ranSource, grs_sgpSource	TWODFGRS	Original bj magnitude with extinction correction (prior to re-calibration to BJSEL); used to select survey sample	real	4
bl_flg	twomass_psc	2MASS	Blend flag.	varchar	3			CODE_MISC
bl_flg	twomass_sixx2_psc	2MASS	indicates # JHK components fit to source	varchar	3
bl_sub_flg	twomass_xsc	2MASS	blanked/subtracted src description flag.	smallint	2			CODE_MISC
blk_fac	twomass_xsc	2MASS	LCSB blocking factor (1, 2, 4, 8).	smallint	2			FIT_PARAM
BMAG	target	SIXDF	Bj galaxy magnitude from recalibrated SuperCOSMOS data (0.00 is null)	real	4	mag
Bmag	mcps_lmcSource, mcps_smcSource	MCPS	The B band magnitude	real	4	mag
bMag	ukirtFSstars	VSASVNGC253	B band total magnitude	real	4	mag	-0.9999995e9	PHOT_INT-MAG
bMag	ukirtFSstars	VSASVORION	B band total magnitude	real	4	mag	-0.9999995e9	PHOT_INT-MAG
bMag	ukirtFSstars	VSAUltraVISTA	B band total magnitude	real	4	mag	-0.9999995e9	PHOT_INT-MAG
bMag	ukirtFSstars	VSAVHS	B band total magnitude	real	4	mag	-0.9999995e9	PHOT_INT-MAG
bMag	ukirtFSstars	VSAVIDEO	B band total magnitude	real	4	mag	-0.9999995e9	PHOT_INT-MAG
bMag	ukirtFSstars	VSAVIKING	B band total magnitude	real	4	mag	-0.9999995e9	PHOT_INT-MAG
bMag	ukirtFSstars	VSAVMC	B band total magnitude	real	4	mag	-0.9999995e9	PHOT_INT-MAG
bMag	ukirtFSstars	VSAVVV	B band total magnitude	real	4	mag	-0.9999995e9	PHOT_INT-MAG
bmagave	machoLMCSource, machoSMCSource	MACHO	blue: median magnitude of LC in instrumental units	real	4
bmagaveu	machoLMCSource, machoSMCSource	MACHO	blue: median magnitude in instrumental units before removing bad points	real	4
BmagOGLEII	spitzer_smcSource	SPITZER	The OGLEII B band magnitude.	real	4	mag
BMAGSEL	target	SIXDF	Bj magnitude from online SuperCOSMOS Sky Surveys (99.99 and 23.0 are nulls), appeared as BMAG in the EDR and DR1	real	4	mag
bmissave	machoLMCSource, machoSMCSource	MACHO	blue: average of missing pixel sodophot measure	real	4
bmrave	machoLMCSource, machoSMCSource	MACHO	average of B-R	real	4
bmrchi2w	machoLMCSource, machoSMCSource	MACHO	chi^2 per degree of freedom for B-R LC	real	4
bmrN	machoLMCSource, machoSMCSource	MACHO	number of points on the B-R LC [aka simultaneous R/B pts]	smallint	2
bmrprobspear	machoLMCSource, machoSMCSource	MACHO	B-R ?	real	4
bmrsig	machoLMCSource, machoSMCSource	MACHO	sqrt of variance of B-R LC	real	4
bN	machoLMCSource, machoSMCSource	MACHO	blue: number of good points on Lightcurve (LC)	smallint	2
bNr	machoLMCSource, machoSMCSource	MACHO	blue: number of points on robustified LC	int	4
bpsfave	machoLMCSource, machoSMCSource	MACHO	blue: average over LC of sodophot measure of goodness of psf fit	real	4
bpsfsig	machoLMCSource, machoSMCSource	MACHO	blue: sqrt of variance of blue psf sodophot measure	real	4
bqr	machoLMCSource, machoSMCSource	MACHO	blue: probability of getting value as large as rchi2r by chance	real	4
bqw	machoLMCSource, machoSMCSource	MACHO	blue: probability of getting value as large as rchi2w by chance	real	4
bs5	machoLMCSource, machoSMCSource	MACHO	blue: number of points on LC 5-sigma above median	int	4
bs5d	machoLMCSource, machoSMCSource	MACHO	blue: number of points on LC 5-sigma below median (eclipsing binary search)	int	4
bsig	machoLMCSource, machoSMCSource	MACHO	blue: sqrt of variance of A-1 measurements over LC.	real	4
BULGE_E	mgcGalaxyStruct	MGC	Bulge Ellipticity	real	4		99.99
BULGE_Em	mgcGalaxyStruct	MGC	Bulge Ellipticity error (-)	real	4		99.99
BULGE_Ep	mgcGalaxyStruct	MGC	Bulge Ellipticity error (+)	real	4		99.99
BULGE_FRAC	mgcGalaxyStruct	MGC	Bulge Fraction (0=pure disk)	real	4		99.99
BULGE_FRACm	mgcGalaxyStruct	MGC	Bulge Fraction error (-)	real	4		99.99
BULGE_FRACp	mgcGalaxyStruct	MGC	Bulge Fraction error (+)	real	4		99.99
BULGE_PA	mgcGalaxyStruct	MGC	Bulge Position Angle	real	4		99.99
BULGE_PAm	mgcGalaxyStruct	MGC	Bulge Position Angle error (-)	real	4		99.99
BULGE_PAp	mgcGalaxyStruct	MGC	Bulge Position Angle error (+)	real	4		99.99
BULGE_RE	mgcGalaxyStruct	MGC	Bulge Effective Radius	real	4		99.99
BULGE_REm	mgcGalaxyStruct	MGC	Bulge Effective Radius error (-)	real	4		99.99
BULGE_REp	mgcGalaxyStruct	MGC	Bulge Effective Radius error (+)	real	4		99.99