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Glossary of VULCAN attributes
This Glossary alphabetically lists all attributes used in the VULCANv20260525 database(s) held in the ASNIR. If you would like to have more information about the schema tables please use the VULCANv20260525 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	TWOMASS	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			meta.id
ab_flags	catwise_2020, catwise_prelim	WISE	Two character (W1 W2) artifact flag	varchar	9
adjacentFrameTolerance	Programme	VULCANiDR	The match tolerance for adjacent frames in the survey	real	4	Degrees		??
aebv	Filter	VULCANiDR	The constant to multiply the Schlegel map E(B-V) by to get the total galactic extinction.	real	4		-0.9999995e9
ag_gspphot	gaia_source	GAIADR3	Extinction in G band from GSP-Phot Aeneas best library using BP/RP spectra	real	4	mag		phys.absorption;em.opt
ag_gspphot_lower	gaia_source	GAIADR3	Lower confidence level (16%) of extinction in G band from GSP-Phot Aeneas best library using BP/RP spectra	real	4	mag		phys.absorption;em.opt
ag_gspphot_upper	gaia_source	GAIADR3	Upper confidence level (84%) of extinction in G band from GSP-Phot Aeneas best library using BP/RP spectra	real	4	mag		phys.absorption;em.opt
aH	allSkyNIRSource	VULCANiDR	The galactic extinction correction in the H band for extragalactic objects	real	4	mag	-0.9999995e9	phys.absorption.gal
air_temp	twomass_scn	TWOMASS	Air temperature at beginning of scan.	real	4	degC		phys.temperature
air_temp	twomass_sixx2_scn	TWOMASS	air temperature (deg C) at beginning of scan	real	4	degC
airm	twomass_scn	TWOMASS	Airmass at beginning of scan.	real	4			obs.airMass
airm	twomass_sixx2_scn	TWOMASS	beginning airmass of scan	real	4
airMass	Detection	PS1DR2	Airmass at midpoint of the exposure. Necessary for converting listed fluxes and magnitudes back to measured ADU counts.	real	4		0
aJ	allSkyNIRSource	VULCANiDR	The galactic extinction correction in the J band for extragalactic objects	real	4	mag	-0.9999995e9	phys.absorption.gal
aK	allSkyNIRSource	VULCANiDR	The galactic extinction correction in the K/Ks band for extragalactic objects	real	4	mag	-0.9999995e9	phys.absorption.gal
anom	twomass_scn	TWOMASS	Special flag indicating whether or not an unusual problem was found in the Atlas Images for this scan.	smallint	2			meta.code
anom	twomass_sixx2_scn	TWOMASS	entry in coadd anomaly table (0:not found|1:found)	smallint	2
apFillF	Detection	PS1DR2	Aperture fill factor.	real	4		-999
apFlux	Detection	PS1DR2	Flux in seeing-dependent aperture.	real	4	Janskys	-999
apFluxErr	Detection	PS1DR2	Error on flux in seeing-dependent aperture.	real	4	Janskys	-999
apRadius	Detection	PS1DR2	Aperture radius.	real	4	arcsec	-999
archiveID	AstrometricInfo, CurrentAstrometry, Multiframe, MultiframeDetector	VULCANiDR	UID of the archive WSA=1, VSA=2	tinyint	1		-99999999	meta.main;meta.id
astrometric_chi2_al	gaia_source	GAIADR3	Along-Scan chi-square value	real	4			stat.fit.chi2
astrometric_excess_noise	gaia_source	GAIADR3	Excess noise of the source	real	4	milliarcsec		stat.value
astrometric_excess_noise_sig	gaia_source	GAIADR3	Significance of the excess noise	real	4			stat.value
astrometric_gof_al	gaia_source	GAIADR3	Goodness of fit statistic of model wrt Along-Scan observations	real	4			stat.fit.goodness
astrometric_matched_transits	gaia_source	GAIADR3	Matched FoV transits used in the AGIS solution	smallint	2			meta.number
astrometric_n_bad_obs_al	gaia_source	GAIADR3	Number of bad observations in the Along-Scan direction	smallint	2			meta.number
astrometric_n_good_obs_al	gaia_source	GAIADR3	Number of good observations in the Along-Scan direction	smallint	2			meta.number
astrometric_n_obs_ac	gaia_source	GAIADR3	Total number of observations in the Across-Scan direction	smallint	2			meta.number
astrometric_n_obs_al	gaia_source	GAIADR3	Total number of observations in the Along-Scan direction	smallint	2			meta.number
astrometric_params_solved	gaia_source	GAIADR3	Which parameters have been solved for?	tinyint	1			meta.number
astrometric_primary_flag	gaia_source	GAIADR3	Primary or secondary	tinyint	1			meta.code.status
astrometric_sigma5d_max	gaia_source	GAIADR3	The longest semi-major axis of the 5d error ellipsoid	real	4	mas		pos.errorEllipse;stat.max
axis1Length	MultiframeDetector	VULCANiDR	length of data axis 1 (X-axis size) {image extension keyword: (Z)NAXIS1}	int	4		-99999999	meta.number
axis2Length	MultiframeDetector	VULCANiDR	length of data axis 2 (Y-axis size) {image extension keyword: (Z)NAXIS2}	int	4		-99999999	meta.number
aY	allSkyNIRSource	VULCANiDR	The galactic extinction correction in the Y band for extragalactic objects	real	4	mag	-0.9999995e9	phys.absorption.gal
aZ	allSkyNIRSource	VULCANiDR	The galactic extinction correction in the Z band for extragalactic objects	real	4	mag	-0.9999995e9	phys.absorption.gal
azero_gspphot	gaia_source	GAIADR3	Monochromatic extinction A0 at 547.7nm from GSP-Phot Aeneas best library using BP/RP spectra	real	4	mag		phys.absorption;em.opt
azero_gspphot_lower	gaia_source	GAIADR3	Lower confidence level (16%) of monochromatic extinction A0 at 547.7nm from GSP-Phot Aeneas best library using BP/RP spectra	real	4	mag		phys.absorption;em.opt
azero_gspphot_upper	gaia_source	GAIADR3	Upper confidence level (84%) of monochromatic extinction A0 at 547.7nm from GSP-Phot Aeneas best library using BP/RP spectra	real	4	mag		phys.absorption;em.opt