The header of the FITS file is listed below,
followed by a sample of values (limited to 1000 lines).
#--- fits/fld20to25.fits
#ext xtension bpx (dim) x2880 extname
#-------------------------------------------------------------------------------
#000 main -32 (4096x3266x1x1) 18590b [353.56669-39.99076] [FREQ-LSR=1.3429
2e+09] [STOKES=1]
#-------------------------------------------------------------------------------
SIMPLE = T /
BITPIX = -32 /
NAXIS = 4 /
NAXIS1 = 4096 /
NAXIS2 = 3266 /
NAXIS3 = 1 /
NAXIS4 = 1 /
EXTEND = T /
BSCALE = 1.00000000000E+00 /
BZERO = 0.00000000000E+00 /
BLANK = -1 /
TELESCOP= 'ATCA ' /
CDELT1 = -6.94444496965E-04 /
CROTA1 = 0.00000000000E+00 /
CRPIX1 = 2.28900000000E+03 /
CRVAL1 = 3.53733708333E+02 /
CTYPE1 = 'RA---NCP' /
CDELT2 = 6.94444496965E-04 /
CROTA2 = 0.00000000000E+00 /
CRPIX2 = 1.64900000000E+03 /
CRVAL2 = -3.99800000000E+01 /
CTYPE2 = 'DEC--NCP' /
CDELT3 = 4.00000018999E+06 /
CROTA3 = 0.00000000000E+00 /
CRPIX3 = 1.00000000000E+00 /
CRVAL3 = 1.34292328358E+09 /
CTYPE3 = 'FREQ-LSR' /
CDELT4 = 1.00000000000E+00 /
CROTA4 = 0.00000000000E+00 /
CRPIX4 = 1.00000000000E+00 /
CRVAL4 = 1.00000000000E+00 /
CTYPE4 = 'STOKES ' /
DATE-OBS= '23/12/94' /
CELLSCAL= '1/F ' /
BMAJ = 4.66666650027E-03 /
BMIN = 2.36111111008E-03 /
BPA = 1.00000000000E+00 /
BUNIT = 'JY/BEAM ' /
EPOCH = 2.00000000000E+03 /
LTYPE = 'channel ' /
LSTART = 1.00000000000E+00 /
LSTEP = 1.00000000000E+00 /
LWIDTH = 1.00000000000E+00 /
NITERS = 4000 /
OBJECT = 'fld20_1 ' /
VOBS = 2.68145637512E+01 /
OBSERVER= 'I. Prandoni' /
PBTYPE = 'SINGLE ' /
BTYPE = 'intensity' /
HISTORY ATLOD: Miriad AtLod: version 26-Apr-95
HISTORY ATLOD: Executed on: 95AUG28:16:39:16.0
HISTORY ATLOD: Command line inputs follow:
HISTORY ATLOD: in=/dev/nrmt0l
HISTORY ATLOD: out=23dec94.uv
HISTORY ATLOD: nfiles=0,2
HISTORY ATLOD: Processed file /dev/nrmt0l
HISTORY ATXY: Miriad AtXY: version 1.0 22-Mar-95
HISTORY ATXY: Executed on: 95AUG28:17:55:13.0
HISTORY ATXY: Command line inputs follow:
HISTORY ATXY: vis=23dec94.uv
HISTORY ATXY: refant=5
HISTORY ATXY: interval=2,0.5
HISTORY ATXY: out=23dec94.uvxy
HISTORY UVFLAG: Executed on: 95AUG28:18:04:11.0
HISTORY UVFLAG: Command line inputs follow:
HISTORY UVFLAG: vis=23dec94.uvxy
HISTORY UVFLAG: edge=4,3
HISTORY UVFLAG: flagval=flag
HISTORY UVFLAG: Overview of flagging on visibility file 23dec94.uvxy
HISTORY UVFLAG: Changed flags set to FALSE (data flagged as bad)
HISTORY UVFLAG: Total number of records selected: *****; out of ***** records
HISTORY UVFLAG: Antennae used: 1, 2, 3, 4, 5, 6
HISTORY UVFLAG: Counts of correlations within selected channels
HISTORY UVFLAG: channel Originally Currently
HISTORY UVFLAG: Good: 15663912 12341264 Changed to bad: 3322648
HISTORY UVFLAG: Bad: 169752 3492400
HISTORY UVFLAG: Executed on: 95AUG28:18:05:53.0
HISTORY UVFLAG: Command line inputs follow:
HISTORY UVFLAG: vis=23dec94.uvxy
HISTORY UVFLAG: select=time(94DEC23:03:47:00,94DEC23:04:40:00)
HISTORY UVFLAG: flagval=flag
HISTORY UVFLAG: Overview of flagging on visibility file 23dec94.uvxy
HISTORY UVFLAG: Changed flags set to FALSE (data flagged as bad)
HISTORY UVFLAG: Total number of records selected: 11440; out of ***** records
HISTORY UVFLAG: Antennae used: 1, 2, 3, 4, 5, 6
HISTORY UVFLAG: Counts of correlations within selected channels
HISTORY UVFLAG: channel Originally Currently
HISTORY UVFLAG: Good: 564538 0 Changed to bad: 564538
HISTORY UVFLAG: Bad: 190502 755040
HISTORY UVFLAG: wide Originally Currently
HISTORY UVFLAG: Good: 0 0 Changed to bad: 0
HISTORY UVFLAG: Bad: 0 0
HISTORY UVFLAG: Executed on: 95AUG28:18:20:58.0
HISTORY UVFLAG: Command line inputs follow:
HISTORY UVFLAG: vis=primary.uvxy,23dec94.uvxy
HISTORY UVFLAG: select=ant(6),wind(2)
HISTORY UVFLAG: line=chann,3,27,1
HISTORY UVFLAG: flagval=flag
HISTORY UVFLAG: Overview of flagging on visibility file 23dec94.uvxy
HISTORY UVFLAG: Changed flags set to FALSE (data flagged as bad)
HISTORY UVFLAG: Total number of records selected: 76880; out of ***** records
HISTORY UVFLAG: Antennae used: 1, 2, 3, 4, 5, 6
HISTORY UVFLAG: Counts of correlations within selected channels
HISTORY UVFLAG: channel Originally Currently
HISTORY UVFLAG: Good: 223017 0 Changed to bad: 223017
HISTORY UVFLAG: Bad: 7623 230640
HISTORY UVSPLIT: Miriad UvSplit: version 1.0 21-Feb-95
HISTORY UVSPLIT: Executed on: 95AUG29:15:56:41.0
HISTORY UVSPLIT: Command line inputs follow:
HISTORY UVSPLIT: vis=23dec94.uvxy
HISTORY UVSPLIT: options=nosource
HISTORY UVSPLIT: select=-source(1934-638,0022-423,23dec94)
HISTORY GPCOPY: Miriad GpCopy: version 3-Dec-94
HISTORY GPCOPY: Executed on: 95AUG29:15:59:05.0
HISTORY GPCOPY: Command line inputs follow:
HISTORY GPCOPY: vis=1934-638.1344
HISTORY GPCOPY: out=uvsplit.1344
HISTORY GPCOPY: options=nocal
HISTORY GPCOPY: Miriad GpCopy: version 3-Dec-94
HISTORY GPCOPY: Executed on: 95AUG29:15:59:05.0
HISTORY GPCOPY: Command line inputs follow:
HISTORY GPCOPY: vis=0022-423.1344.cal
HISTORY GPCOPY: out=uvsplit.1344
HISTORY UVAVER: Miriad UvAver: version 1.0 23-Sep-94
HISTORY UVAVER: Executed on: 95AUG29:15:59:06.0
HISTORY UVAVER: Command line inputs follow:
HISTORY UVAVER: vis=uvsplit.1344
HISTORY UVAVER: out=23dec94.1344
HISTORY UVAFLAG: Miriad Uvaflag: version 1.0 8-Mar-93
HISTORY UVAFLAG: Executed on: 95AUG30:14:37:47.0
HISTORY UVAFLAG: Command line inputs follow:
HISTORY UVAFLAG: tvis=uvstokes.1344
HISTORY UVAFLAG: vis=23dec94.1344
HISTORY UVAVER: Miriad UvAver: version 1.0 23-Sep-94
HISTORY UVAVER: Executed on: 95AUG31:19:37:19.0
HISTORY UVAVER: Command line inputs follow:
HISTORY UVAVER: vis=23dec94.1344
HISTORY UVAVER: out=uvi.1344
HISTORY UVAVER: stokes=i
HISTORY UVSPLIT: Miriad UvSplit: version 1.0 21-Feb-95
HISTORY UVSPLIT: Executed on: 95AUG31:19:38:14.0
HISTORY UVSPLIT: Command line inputs follow:
HISTORY UVSPLIT: vis=uvi.1344
HISTORY TVCLIP: Miriad TVCLIP: version 2.3 9-Mar-94
HISTORY TVCLIP: Executed on: 95SEP01:12:19:45.0
HISTORY TVCLIP: Command line inputs follow:
HISTORY TVCLIP: vis=fld20_1.1344
HISTORY TVCLIP: server=xmtv@luna
HISTORY TVCLIP: line=channel,33,1,1
HISTORY TVCLIP: taver=5
HISTORY TVCLIP: clip=-6
HISTORY UVMODEL: Miriad UvModel version 1.0 31-Jan-95
HISTORY UVMODEL: Executed on: 95SEP01:18:18:56.0
HISTORY UVMODEL: Command line inputs follow:
HISTORY UVMODEL: vis=fld20_1.1344
HISTORY UVMODEL: model=fld20_1.1344.cmp
HISTORY UVMODEL: options=subtract,mfs
HISTORY UVMODEL: clip=0.0005
HISTORY UVMODEL: out=fld20_1.1344.sub
HISTORY UVMODEL: Miriad UvModel version 1.0 31-Jan-95
HISTORY UVMODEL: Executed on: 95SEP01:18:20:37.0
HISTORY UVMODEL: Command line inputs follow:
HISTORY UVMODEL: vis=fld20_1.1344.sub
HISTORY UVMODEL: model=fld20_1.1344.cmp
HISTORY UVMODEL: options=subtract,mfs
HISTORY UVMODEL: clip=0.0007
HISTORY UVMODEL: out=fld20_1.1344.sub2
HISTORY SELFCAL: Miriad Selfcal: version 1.0 30-Jan-95
HISTORY SELFCAL: Executed on: 95SEP04:16:55:31.0
HISTORY SELFCAL: Command line inputs follow:
HISTORY SELFCAL: vis=../23dec94/fld20_1.1344
HISTORY SELFCAL: model=fld20_1.1344.cmp
HISTORY SELFCAL: interval=2
HISTORY SELFCAL: options=phase,mfs
HISTORY SELFCAL: line=channel,33,1,1
HISTORY SELFCAL: clip=3.54E-04
HISTORY SELFCAL: Total number of visibilities processed: 2773
HISTORY SELFCAL: Total number of solution intervals: 47
HISTORY SELFCAL: Rms of the gain phases (degrees): 7.8
HISTORY SELFCAL: Rms deviation of gain from 1: 5.178E-08
HISTORY SELFCAL: Ratio of Actual to Theoretical noise: 1.05
HISTORY SELFCAL: Miriad Selfcal: version 1.0 30-Jan-95
HISTORY SELFCAL: Executed on: 95SEP04:17:02:30.0
HISTORY SELFCAL: Command line inputs follow:
HISTORY SELFCAL: vis=../23dec94/fld20_1.1344
HISTORY SELFCAL: model=fld20_1.1344.cmp
HISTORY SELFCAL: interval=2
HISTORY SELFCAL: options=phase,mfs
HISTORY SELFCAL: line=channel,33,1,1
HISTORY SELFCAL: clip=7.67E-04
HISTORY SELFCAL: Total number of visibilities processed: 2773
HISTORY SELFCAL: Total number of solution intervals: 47
HISTORY SELFCAL: Rms of the gain phases (degrees): 7.9
HISTORY SELFCAL: Rms deviation of gain from 1: 6.033E-08
HISTORY SELFCAL: Ratio of Actual to Theoretical noise: 1.05
HISTORY UVAFLAG: Miriad Uvaflag: version 1.0 8-Mar-93
HISTORY UVAFLAG: Executed on: 95SEP05:18:44:39.0
HISTORY UVAFLAG: Command line inputs follow:
HISTORY UVAFLAG: tvis=../23dec94/fld20_1.1344.sub
HISTORY UVAFLAG: vis=../23dec94/fld20_1.1344
HISTORY UVAVER: Miriad UvAver: version 1.0 23-Sep-94
HISTORY UVAVER: Executed on: 95SEP06:12:28:30.0
HISTORY UVAVER: Command line inputs follow:
HISTORY UVAVER: vis=../23dec94/fld20_1.1344
HISTORY UVAVER: out=../23dec94/fld20_1.1344.cal
HISTORY SELFCAL: Miriad Selfcal: version 1.0 30-Jan-95
HISTORY SELFCAL: Executed on: 95SEP06:12:29:03.0
HISTORY SELFCAL: Command line inputs follow:
HISTORY SELFCAL: vis=../23dec94/fld20_1.1344.cal
HISTORY SELFCAL: model=fld20_1.1344.cmp
HISTORY SELFCAL: interval=2
HISTORY SELFCAL: options=phase,mfs
HISTORY SELFCAL: line=channel,33,1,1
HISTORY SELFCAL: clip=8.24E-04
HISTORY SELFCAL: Total number of visibilities processed: 2710
HISTORY SELFCAL: Total number of solution intervals: 47
HISTORY SELFCAL: Rms of the gain phases (degrees): 1.0
HISTORY SELFCAL: Rms deviation of gain from 1: 4.757E-08
HISTORY SELFCAL: Ratio of Actual to Theoretical noise: 1.03
HISTORY SELFCAL: Miriad Selfcal: version 1.0 30-Jan-95
HISTORY SELFCAL: Executed on: 95SEP06:12:35:41.0
HISTORY SELFCAL: Command line inputs follow:
HISTORY SELFCAL: vis=../23dec94/fld20_1.1344.cal
HISTORY SELFCAL: model=fld20_1.1344.cmp
HISTORY SELFCAL: interval=2
HISTORY SELFCAL: options=phase,mfs
HISTORY SELFCAL: line=channel,33,1,1
HISTORY SELFCAL: clip=8.25E-04
HISTORY SELFCAL: Total number of visibilities processed: 2710
HISTORY SELFCAL: Total number of solution intervals: 47
HISTORY SELFCAL: Rms of the gain phases (degrees): 1.1
HISTORY SELFCAL: Rms deviation of gain from 1: 5.927E-08
HISTORY SELFCAL: Ratio of Actual to Theoretical noise: 1.03
HISTORY UVFLAG: Executed on: 96JAN12:12:00:44.0
HISTORY UVFLAG: Command line inputs follow:
HISTORY UVFLAG: vis=fld20_1.1344
HISTORY UVFLAG: flagval=flag
HISTORY UVFLAG: select=ant(4)(5)
HISTORY UVFLAG: Overview of flagging on visibility file fld20_1.1344
HISTORY UVFLAG: Changed flags set to FALSE (data flagged as bad)
HISTORY UVFLAG: Total number of records selected: 198; out of 2710 records
HISTORY UVFLAG: Antennae used: 4, 5
HISTORY UVFLAG: Counts of correlations within selected channels
HISTORY UVFLAG: channel Originally Currently
HISTORY UVFLAG: Good: 5037 0 Changed to bad: 5037
HISTORY UVFLAG: Bad: 1497 6534
HISTORY UVFLAG: wide Originally Currently
HISTORY UVFLAG: Good: 0 0 Changed to bad: 0
HISTORY UVFLAG: Bad: 0 0
HISTORY INVERT: Miriad Invert: version 1.0 20-Jun-97
HISTORY INVERT: Executed on: 97DEC08:15:49:27.0
HISTORY INVERT: Command line inputs follow:
HISTORY INVERT: vis=../day1/fld20_1.1344,../day2/fld20_1.1344
HISTORY INVERT: beam=fld20_1.1344.beam
HISTORY INVERT: map=fld20_1.1344.map
HISTORY INVERT: sup=0
HISTORY INVERT: cell=2.5,2.5
HISTORY INVERT: imsize=2048,2048
HISTORY INVERT: stokes=i
HISTORY INVERT: options=mfs,double,systemp,mosaic
HISTORY INVERT: offset=23:34:56.09,-39:58:48.0
HISTORY CLEAN: Miriad Clean: version 1.0 24-Jun-97
HISTORY CLEAN: Executed on: 97DEC08:16:00:16.0
HISTORY CLEAN: Command line inputs follow:
HISTORY CLEAN: map=fld20_1.1344.map
HISTORY CLEAN: beam=fld20_1.1344.beam
HISTORY CLEAN: out=fld20_1.1344.cmp
HISTORY CLEAN: region=box(48,48,2000,2000)
HISTORY CLEAN: niters=4000
HISTORY CLEAN: cutoff=0.0005
HISTORY CLEAN: minpatch=127
HISTORY CLEAN: Bounding region is Blc=(48,48,1),Trc=(2000,2000,1)
HISTORY CLEAN: Steer Clip Level = 0.935
HISTORY CLEAN: Minpatch = 127
HISTORY CLEAN: Total Iterations = 4000
HISTORY IMCOMB: Miriad ImComb: version 1.0 21-Jul-97
HISTORY IMCOMB: Executed on: 97DEC08:18:49:16.0
HISTORY IMCOMB: Command line inputs follow:
HISTORY IMCOMB: in=fld20_1.1344.cmp.old,fld20_1.1344.cmp.ext
HISTORY IMCOMB: out=fld20_1.1344.cmp
HISTORY IMCOMB: rms=1
HISTORY IMCOMB: options=nonorm
HISTORY RESTOR: Miriad Restor: version 1.2 3-Dec-94
HISTORY RESTOR: Executed on: 97DEC08:18:51:07.0
HISTORY RESTOR: Command line inputs follow:
HISTORY RESTOR: fwhm=16.8,8.5
HISTORY RESTOR: pa=1
HISTORY RESTOR: mode=convolve
HISTORY RESTOR: model=fld20_1.1344.cmp
HISTORY RESTOR: out=fld20_1.1344.cvlcmp
HISTORY RESTOR: beam=dummy.beam.fld20_1.1344
HISTORY RESTOR: Beam = 1.680E+01 x 8.500E+00 arcsec, pa = 1.000E+00 degrees
HISTORY IMSUB: Miriad Imsub: version 1.0 18-Jul-97
HISTORY IMSUB: Executed on: 97DEC08:18:51:17.0
HISTORY IMSUB: Command line inputs follow:
HISTORY IMSUB: in=fld20_1.1344.cvlcmp
HISTORY IMSUB: out=fld20_1.1344.cvlcmp.sub
HISTORY IMSUB: region=relcenter,box(-899,-899,900,900)
HISTORY COPYHD: Miriad Copyhd, version 1.0 25-Apr-94
HISTORY COPYHD: Executed on: 97DEC08:18:51:18.0
HISTORY COPYHD: Command line inputs follow:
HISTORY COPYHD: in=fld20_1.1344.map.sub
HISTORY COPYHD: out=fld20_1.1344.cvlcmp.sub
HISTORY COPYHD: items=mostable
HISTORY MATHS: Miriad Maths: version 1.0 05-Jun-97
HISTORY MATHS: Executed on: 97DEC08:18:51:19.0
HISTORY MATHS: Command line inputs follow:
HISTORY MATHS: exp=<fld20_1.1344.cvlcmp.sub>+<fld20_1.1344.map.sub>
HISTORY MATHS: out=fld20_1.1344.sub.cln
HISTORY MATHS: Bounding region is Blc=(1,1,1,1),Trc=(1800,1800,1,1)
HISTORY LINMOS: Miriad Linmos: version 1.0 25-Aug-97
HISTORY LINMOS: Executed on: 97DEC09:10:11:06.0
HISTORY LINMOS: Command line inputs follow:
HISTORY LINMOS: in=@1344.lis
HISTORY LINMOS: out=1344.linmos
HISTORY MATHS: Miriad Maths: version 1.0 05-Jun-97
HISTORY MATHS: Executed on: 97DEC09:10:28:16.0
HISTORY MATHS: Command line inputs follow:
HISTORY MATHS: exp=(<1344.linmos>+<1448.linmos>)/2
HISTORY MATHS: out=fld20to25.linmos
HISTORY MATHS: Bounding region is Blc=(1,1,1,1),Trc=(4096,3266,1,1)
ORIGIN = 'Miriad Fits: version 1.1 20-Sep-97' /
END
END