SIMPLE  =                    T / SIMPLE FITS FORMAT
BITPIX  =                   16 / NUMBER OF BITS PER PIXEL
NAXIS   =                    3 / NUMBER OF AXES
NAXIS1  =                  512 / LENGTH OF AXIS
NAXIS2  =                  512 / LENGTH OF AXIS
NAXIS3  =                    1 / LENGTH OF AXIS
BLOCKED =                    T / TAPE MAY BE BLOCKED
CDELT1  =  -2.777340000000E-03 / PRIMARY PIXEL SEPARATION
CRPIX1  =   2.569324000000E+02 / PRIMARY REFERENCE PIXEL
CRVAL1  =   1.920000000000E+02 / PRIMARY REFERENCE VALUE
CTYPE1  = 'RA---NCP          ' / PRIMARY AXIS NAME
CUNIT1  = 'DEGREE            ' / PRIMARY AXIS UNITS
CDELT2  =   2.777340000000E-03 / PRIMARY PIXEL SEPARATION
CRPIX2  =   2.570000000000E+02 / PRIMARY REFERENCE PIXEL
CRVAL2  =   2.577222000000E+01 / PRIMARY REFERENCE VALUE
CTYPE2  = 'DEC--NCP          ' / PRIMARY AXIS NAME
CUNIT2  = 'DEGREE            ' / PRIMARY AXIS UNITS
CDELT3  =   0.000000000000E+00 / PRIMARY PIXEL SEPARATION
CRPIX3  =   1.000000000000E+00 / PRIMARY REFERENCE PIXEL
CRVAL3  =   0.000000000000E+00 / PRIMARY REFERENCE VALUE
CTYPE3  = 'PARAM-MOMENTS     ' / PRIMARY AXIS NAME
CUNIT3  = 'HZ                ' / PRIMARY AXIS UNITS
DRVAL3  =   1.250000000000E+03 / SECONDARY REFERENCE VALUE
DTYPE3  = 'VELO              ' / SECONDARY AXIS NAME
DUNIT3  = 'KM/S              ' / SECONDARY AXIS UNITS
CDELT4  =  -7.812500000000E+04 / PRIMARY PIXEL SEPARATION
CRVAL4  =   1.414498678330E+09 / PRIMARY REFERENCE VALUE
CTYPE4  = 'FREQ-OHEL         ' / PRIMARY AXIS NAME
CUNIT4  = 'HZ                ' / PRIMARY AXIS UNITS
DRVAL4  =   1.250000000000E+03 / SECONDARY REFERENCE VALUE
DTYPE4  = 'VELO              ' / SECONDARY AXIS NAME
DUNIT4  = 'KM/S              ' / SECONDARY AXIS UNITS
EPOCH   =   1.950000000000E+03 / EPOCH
INSTRUME= 'WSRT              ' / INSTRUMENT
BLANK   =               -32768 / TAPE VALUE FOR UNDEFINED PIXELS
BSCALE  =         5.798136E-04 / TRUE = TAPE * BSCALE + BZERO
BZERO   =         1.430718E+01 / BIAS FOR THE REAL DATA
DATAMAX =         3.329666E+01 / MAXIMUM DATA VALUE
DATAMIN =        -4.682870E+00 / MINIMUM DATA VALUE
ORIGIN  = 'WFITS VERSION 1.3' / VERSION OF THE GIPSY PROGRAM
OBJECT  = 'UGC7989     '
BMMAJ   = 0.28363285419742D+02
BMMIN   = 0.25459402032822D+02
SUBTR   =                    0 /SOURCE SUBTRACTION
UVCDT   = 'NORMAL     '        /UV COORDINATE TYPE
CHANEND =                   25 / last usable continuum channel
BLGRAD  = 'NATURAL    '        /TAPER TYPE
FFTRA   =                 1024 /FFT SIZE IN R.A.
MAPTYP  = 'MAP'
INSECT  =                    2 /INPUT SECTORS.
BUNIT   = 'W.U. '            '
FIRSTLCH=                  -18 / low velocity edge of line signal
DATE    = '18/08/98'
CHANSTA =                  -29 / 1st usable continuum channel
PCDEC   =             25.77222 /POINTING CENTRE DEC (DEG)
FREQR   =       1414498678.330 /REFERENCE FREQUENCY (HERTZ)
LASTLCH =                   13 / high velocity edge of line signal
DATTYP  = 'NORMAL     '        /DATA TYPE
BMPA    = 0.00000000000000D+00
DATE-OBS=             1994.764
CLIP    =                    0 /CLIPPING DONE
FFTDEC  =                 1024 /FFT SIZE IN DEC.
PGCNR   =                43586
NFREQ   =                   63 /TOTAL # OF FREQUENCY POINTS
INPTS   =                26112 /INPUT POINTS.
CRESL3  =             318774.4 /BANDWIDTH (HERTZ)
PCRA    =             191.9998 /POINTING CENTRE R.A. (DEG)
NINTF   =                   80 /TOTAL INTERFEROMETERS
TAPENUM =                  178 / tapenumber containing raw and reduced data
CORGRID =                    1 /CORRECT FOR CONVOLUTION
UVGRID  = 'EXP*SINC   '        /CONVOLUTION TYPE
NOISE   =              .494092 /NOISE IN MAP
POL     = 'L'
BANDW   =              4921875 /TOTAL BANDWIDTH OF OBS(HERTZ)
VEL     =             735433.9 /CENTRE VELOCITY (M/S)
DEBEAM  =                    0 /DE-BEAM COUNT
NORM    =             9761.062 /NORM. FACTOR IN FFT
VELR    =              1250000 /REFERENCE VELOCITY (M/S)
SETNR   =                    1 /# OF SET.
MAPLAB  =                    1 /LABEL OF THIS MAP
COMMENT   30 ARCSECOND BEAM MAPS (63) OF U7989
COMMENT Header copied by program MOMENTS from set u7989mask30 at 19-Aug-1998
COMMENT 2-dimensional analysis of u7989s30cl cube
COMMENT the subsets contain the following information:
COMMENT (0) Total HI map (primary beam corrected)
COMMENT (1) Intensity weighted mean velocity field map
COMMENT (2) Dispersion in intensity weighted velocity along profile
COMMENT (3) Velocity field using the velocity of peak value in profile
COMMENT (4) Peak value in profile
COMMENT (5) Dispersion in intensities
COMMENT (6) Number of subset contributing to 2 dimensional reduction
COMMENT (7) Intensity weighted mode velocity field
COMMENT (8) Signal-to-noise ratio map of total HI signal
HISTORY CLEAN PARAMETERS Wed Aug 19 11:45:11 1998
HISTORY APSET= u7989s30ap -2
HISTORY CLEANBOX=
HISTORY CUTOFF= 0.138975
HISTORY DEFSET= u7989mask30 -18:-18
HISTORY INSET= u7989s30cs -18:-18
HISTORY NMAX= 30000
HISTORY OUTSET= u7989s30cl
HISTORY CLEAN PARAMETERS Wed Aug 19 11:47:56 1998
HISTORY APSET= u7989s30ap -1
HISTORY CLEANBOX=
HISTORY CUTOFF= 0.138975
HISTORY DEFSET= u7989mask30 -17:-6
HISTORY INSET= u7989s30cs -17:-6
HISTORY NMAX= 30000
HISTORY OUTSET= u7989s30cl
HISTORY CLEAN PARAMETERS Wed Aug 19 11:50:42 1998
HISTORY APSET= u7989s30ap 0
HISTORY CLEANBOX=
HISTORY CUTOFF= 0.138975
HISTORY DEFSET= u7989mask30 -5:6
HISTORY INSET= u7989s30cs -5:6
HISTORY NMAX= 30000
HISTORY OUTSET= u7989s30cl
HISTORY CLEAN PARAMETERS Wed Aug 19 11:51:24 1998
HISTORY APSET= u7989s30ap 1
HISTORY CLEANBOX=
HISTORY CUTOFF= 0.138975
HISTORY DEFSET= u7989mask30 7:13
HISTORY INSET= u7989s30cs 7:13
HISTORY NMAX= 30000
HISTORY OUTSET= u7989s30cl
END