Column Name	Description	Example	Units	Data Type	VO UCD
BANDWD	Total observing bandwidth	1000000000	Hz	float	none
DECDELT	Dec increment per pixel	0.00416667	deg	float	none
DECERR	none	0.0	deg	float	none
DECMAX	Field Dec maximum	-5.829167	deg	float	none
DECMIN	Field Dec minimum	-10.133333	deg	float	none
DECPIXELS	Number of pixels, Dec axis	1034	none	float	none
DECREF	Dec coordinate at DECREFPIXEL	-8.00416667	deg	float	none
DECREFPIX	Dec axis reference pixel	513	none	float	none
FIELDNAME	Observing field name supplied by the observer	C0552M08	none	varchar	obs.field
FILESIZE	Image file size	6459392	byte	float	none
FREQINCRE	Frequency increment per pixel	100000000	Hz	float	none
FREQUENCY	Observing Frequency	1400000000	Hz	float	none
IMAGEDATE	Date of image creation (MJD)	50918	d	float	none
IMAGEMAX	Maximum intensity in image	0.8937966	Jy	float	none
IMAGEMIN	Minimum intensity in image	-0.01464416	Jy	float	none
IMAGEQUAL	none	A	none	float	none
IMAGESCALE	none	0.0001	none	float	pos.wcs.scale
IMAGESENS	Image background rms	0.00045	Jy	float	none
IMAGEUNITS	Image units (Jy/beam)	JY/BEAM	none	varchar	none
IMAGEZERO	none	0	none	float	none
INSTRUMENT	none	L-BAND	none	varchar	none
MIDOBSTIME	Middle obs. time of image (MJD)	49250	d	float	none
NAXES	Number of axes in the image	4	none	float	pos.wcs.naxes
NPOLAR	Number of polarization pixels	3	none	float	none
NSPECT	Number of spectral pixels	1	none	float	none
OBSBAND	Observing Frequency band code	L	none	float	none
PHOTOERR	none	0.0	none	float	none
POLPIXELS	Polarization pixel polarization codes (I,Q,U,V)	i q u	none	varchar	none
PROJECTION	International Celestial Ref. Frame - SIN	SIN	none	varchar	pos.frame
RADELT	RA increment per pixel	-0.00416667	deg	float	none
RAERR	none	0.0	deg	float	none
RAMAX	Field RA maximum	88.0	deg	float	none
RAMIN	Field RA minimum	85.870833	deg	float	none
RAPIXELS	none	1024	arcmin	float	none
RAREF	RA coordinate at RAREFPIXEL	88.8	deg	float	none
RAREFPIX	RA axis reference pixel	512	none	float	none
REFREQPIX	Sky frequency at first spectral pixel	1400000000	Hz	float	none
REFURL	Retrieve image using VO Simple Image Access Protocol	https://archive.nrao.edu/vo/SIA/getImage?archive=NVSS&fileID=C0552M08.fits	none	float	none
REGION	Image field shape	POLYGON	none	varchar	none
RESTOREMAJ	Restoring beam major axis	0.0125	arcmin	float	none
RESTOREMIN	Restoring beam minor axis	0.0125	arcmin	float	none
RESTOREPA	Restoring beam position angle	0.0	deg	float	none
ROTANGLE	Image field rotation angle	0.0	deg	float	none
SPECTERR	none	0.0	Hz	float	none