TABLE  twomass_sixx2_xsc

This table contains brief descriptions of the parameters provided for each source in the TWOMASS Long Exposure (6x) Scan XSC. Required constraints: Primary key is (cntr) (scan_key) references twomass_sixx2_scn(cntr)

Name	Type	Length	Unit	Description	Default Value	Unified Content Descriptor
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
ra	float	8	deg	right ascension (J2000 decimal deg) based on peak pixel
dec	float	8	deg	declination (J2000 decimal deg) based on peak pixel
clon	varchar	16		The computed ra (J2000 EQ) in sexigesimal.
clat	varchar	16		The computed dec (J2000 EQ) in sexigesimal.
r_k20fe	real	4	arcsec	20mag/sq.″ isophotal K fiducial ell. ap. semi-major axis
j_m_k20fe	real	4	mag	J 20mag/sq.″ isophotal fiducial ell. ap. magnitude
j_flg_k20fe	smallint	2		J confusion flag for 20mag/sq.″ iso. fid. ell. mag
h_m_k20fe	real	4	mag	H 20mag/sq.″ isophotal fiducial ell. ap. magnitude
h_msig_k20fe	real	4	mag	H 1-sigma uncertainty in 20mag/sq.″ iso.fid.ell.mag
h_flg_k20fe	smallint	2		H confusion flag for 20mag/sq.″ iso. fid. ell. mag
k_m_k20fe	real	4	mag	K 20mag/sq.″ isophotal fiducial ell. ap. magnitude
k_msig_k20fe	real	4	mag	K 1-sigma uncertainty in 20mag/sq.″ iso.fid.ell.mag
k_flg_k20fe	smallint	2		K confusion flag for 20mag/sq.″ iso. fid. ell. mag
k_ba	real	4		K minor/major axis ratio fit to the 3-sigma isophote
k_phi	smallint	2	deg	K angle to 3-sigma major axis (E of N)
sup_ba	real	4		minor/major axis ratio fit to 3-sig. super-coadd isophote
sup_phi	smallint	2	deg	super-coadd angle to major axis (E of N)
r_ext	real	4	arcsec	extrapolation/total radius
j_m_ext	real	4	mag	J mag from fit extrapolation
j_msig_ext	real	4	mag	J 1-sigma uncertainty in mag from fit extrapolation
h_m_ext	real	4	mag	H mag from fit extrapolation
h_msig_ext	real	4	mag	H 1-sigma uncertainty in mag from fit extrapolation
k_m_ext	real	4	mag	K mag from fit extrapolation
k_msig_ext	real	4	mag	K 1-sigma uncertainty in mag from fit extrapolation
rel	varchar	1		Reliability flag (A-F), with A being the highest and F being lowest reliability
vc	smallint	2		visual verification score for source
cc_flg	varchar	1		indicates artifact contamination and/or confusion
spos	smallint	2		# of scans in which src position falls inside coverage area
sdet	smallint	2		# of scans in which src was detected in >=1 band
gcntr	int	4		A unique identifier for the merged group of apparitions of this source
gcnf	smallint	2		Group confusion flag 0=not confused or single apparation, 1=confused
j_m_7	real	4	mag	J 7 arcsec radius circular aperture magnitude
j_msig_7	real	4	mag	J 1-sigma uncertainty in 7 arcsec circular ap. mag
j_flg_7	smallint	2		J confusion flag for 7 arcsec circular ap. mag
h_m_7	real	4	mag	H 7 arcsec radius circular aperture magnitude
h_msig_7	real	4	mag	H 1-sigma uncertainty in 7 arcsec circular ap. mag
h_flg_7	smallint	2		H confusion flag for 7 arcsec circular ap. mag
k_m_7	real	4	mag	K 7 arcsec radius circular aperture magnitude
k_msig_7	real	4	mag	K 1-sigma uncertainty in 7 arcsec circular ap. mag
k_flg_7	smallint	2		K confusion flag for 7 arcsec circular ap. mag
dist_edge_ns	real	4	arcsec	distance to nearest north or south full-coverage scan edge
dist_edge_ew	real	4	arcsec	distance to nearest east or west full-coverage scan edge
dist_edge_flg	varchar	2		flag indicating which edges ([n|s][e|w]) are nearest to src
scan_key	int	4		key to scan data record in "scan DB"
cntr	int	4		entry counter (key) number (unique within table)
cat	smallint	2		Catalog indicator 1=catalog, 0=not catalog
Total length		214