TABLE  nvssSource

This table contains brief descriptions of the parameters provided for each source in the NVSS catalogue. It contains 1773484 sources. Required constraints: Primary key is (seqNo)

Name	Type	Length	Unit	Description	Default Value	Unified Content Descriptor
seqNo	int	4		sequential object number		meta.id
ra	float	8	degrees	J2000 Celestial Right Ascension		pos.eq.ra;meta.main
dec	float	8	degrees	J2000 Celestial Declination		pos.eq.dec;meta.main
field	varchar	8		Name of the original survey image field from which the component was derived.		obs.field
xPos	real	4	pixels	X position (RA direction) of the radio source		pos.cartesian.x;instr.det
yPos	real	4	pixels	Y position (Dec direction) of the radio source		pos.cartesian.y;instr.det
NVSS	varchar	14		Source name		meta.id;meta.main
e_RAs	real	4	s	Mean error on RA		stat.error
e_DEcs	real	4	arcsec	Mean error on Dec		stat.error
S14	real	4	mJy	Integrated 1.4GHz flux density of radio source		phot.flux.density;em.radio.750-1500MHz
e_S14	real	4	mJy	Mean error on S14		stat.error
l_MajAxis	varchar	1		Limit flag on majAxis		meta.code
majAxis	real	4	arcsec	Fitted (deconvolved) major axis of radio source		phys.angSize.smajAxis
l_MinAxis	char	1		Limit flag on minAxis		meta.code
minAxis	real	4	arcsec	Fitted (deconvolved) minor axis of radio source		phys.angSize.sminAxis
PA	real	4	degress	[-90, 90] Position angle of fitted major axis		pos.posAng
e_majAxis	real	4	arcsec	Mean error on majAxis		stat.error
e_minAxis	real	4	arcsec	Mean error on minAxis		stat.error
e_PA	real	4	degrees	Mean error on PA		stat.error
f_resFlux	varchar	2		[PS* ] Residual Code		meta.code
resFlux	real	4	mJy	Peak residual flux, in mJy/beam		phot.flux.density;em.radio
polFlux	real	4	mJy	Integrated linearly polarized flux density		PHOT_FLUX_LINEAR
polPA	real	4	degress	[-90,90] The position angle of polFlux		POS_POS-EQ
e_polFlux	real	4	mJy	Mean error on polFlux		stat.error
e_polPA	real	4	mJy	Mean error on polPA		stat.error
cx	float	8		unit vector of spherical co-ordinates		pos.distance;pos.cartesian.x
cy	float	8		unit vector of spherical co-ordinates		pos.distance;pos.cartesian.y
cz	float	8		unit vector of spherical co-ordinates		pos.distance;pos.cartesian.z
htmID	bigint	8		Hierarchical Triangular Mesh (HTM) index, 20 deep, for equatorial co-ordinates		pos.eq
Total length		146