Column Name	Description	Example	Units	Data Type	VO UCD
CALIB_TYPE	Calibrator source quality : A, B, etc	A	none	varchar	none
DEC2000	Observed sky position, DEC J2000	0.687384002	rad	double	pos.eq.dec
DECDEG	Observed sky position, DEC J2000	21.432156	deg	double	pos.eq.dec;meta.main
RA2000	Observed sky position, RA J2000	4.32206798	rad	double	pos.eq.ra
RADEG	Observed sky position, RA J2000	191.23456	deg	double	pos.eq.ra;meta.main
SOURCE_ID	Source or pointing position name	I16288+392	none	varchar	src.name
SOURCE_TYPE	not used	STAR	none	float	src.class