The header of the FITS file is listed below,
followed by a sample of values (limited to 1000 lines).
#--- fits/fld01to06.fits
#ext xtension bpx (dim) x2880 extname
#-------------------------------------------------------------------------------
#000 main -32 (4096x3266x1x1) 18592b [338.82203-39.99826] [FREQ-LSR=1.3425
1e+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 = 3.38989041667E+02 /
CTYPE1 = 'RA---NCP' /
CDELT2 = 6.94444496965E-04 /
CROTA2 = 0.00000000000E+00 /
CRPIX2 = 1.64900000000E+03 /
CRVAL2 = -3.99875000000E+01 /
CTYPE2 = 'DEC--NCP' /
CDELT3 = 4.00000018999E+06 /
CROTA3 = 0.00000000000E+00 /
CRPIX3 = 1.00000000000E+00 /
CRVAL3 = 1.34250748158E+09 /
CTYPE3 = 'FREQ-LSR' /
CDELT4 = 1.00000000000E+00 /
CROTA4 = 0.00000000000E+00 /
CRPIX4 = 1.00000000000E+00 /
CRVAL4 = 1.00000000000E+00 /
CTYPE4 = 'STOKES ' /
DATE-OBS= '29/04/95' /
CELLSCAL= '1/F ' /
BMAJ = 3.58333322220E-03 /
BMIN = 2.16666655615E-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 = 798 /
OBJECT = 'fld01_1 ' /
VOBS = 2.46323699951E+01 /
OBSERVER= 'I. Prandoni' /
PBTYPE = 'SINGLE ' /
BTYPE = 'intensity' /
HISTORY ATLOD: Miriad AtLod: version 26-Apr-95
HISTORY ATLOD: Executed on: 95DEC16:13:30:00.0
HISTORY ATLOD: Command line inputs follow:
HISTORY ATLOD: in=/dev/nrst1
HISTORY ATLOD: out=941118.uv
HISTORY ATLOD: nfiles=0,2
HISTORY ATLOD: Processing file /dev/nrst1
HISTORY ATLOD: Total number of spectra selected: 599040
HISTORY ATLOD: Summary of spectra flagged
HISTORY ATLOD: Flagging Reason Fraction
HISTORY ATLOD: --------------- --------
HISTORY ATLOD: Antenna off-source/off-line 6.12%
HISTORY ATLOD: Bad SYSCAL values 0.29%
HISTORY ATLOD: Processing file 2
HISTORY ATLOD: Total number of spectra selected: 54960
HISTORY ATLOD: Summary of spectra flagged
HISTORY ATLOD: Flagging Reason Fraction
HISTORY ATLOD: --------------- --------
HISTORY ATLOD: Antenna off-source/off-line 4.72%
HISTORY ATLOD: Bad SYSCAL values 0.57%
HISTORY ATXY: Miriad AtXY: version 1.0 10-Oct-95
HISTORY ATXY: Executed on: 95DEC25:23:32:27.0
HISTORY ATXY: Command line inputs follow:
HISTORY ATXY: vis=18nov94.uv
HISTORY ATXY: refant=5
HISTORY ATXY: interval=2,0.5
HISTORY ATXY: out=18nov94.uvxy
HISTORY UVFLAG: Executed on: 95DEC26:00:59:50.0
HISTORY UVFLAG: Command line inputs follow:
HISTORY UVFLAG: vis=18nov94.uvxy
HISTORY UVFLAG: edge=4,3
HISTORY UVFLAG: flagval=flag
HISTORY UVFLAG: Overview of flagging on visibility file 18nov94.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: 20217384 15928848 Changed to bad: 4288536
HISTORY UVFLAG: Bad: 68376 4356912
HISTORY UVFLAG: Executed on: 95DEC26:01:05:21.0
HISTORY UVFLAG: Command line inputs follow:
HISTORY UVFLAG: vis=18nov94.uvxy
HISTORY UVFLAG: select=window(2)
HISTORY UVFLAG: line=channel,3,27,1
HISTORY UVFLAG: flagval=flag
HISTORY UVFLAG: Overview of flagging on visibility file 18nov94.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: 919473 0 Changed to bad: 919473
HISTORY UVFLAG: Bad: 2607 922080
HISTORY UVFLAG: Executed on: 95DEC26:01:09:42.0
HISTORY UVFLAG: Command line inputs follow:
HISTORY UVFLAG: vis=18nov94.uvxy
HISTORY UVFLAG: select=time(01:00:00,01:05:00)
HISTORY UVFLAG: flagval=flag
HISTORY UVFLAG: Overview of flagging on visibility file 18nov94.uvxy
HISTORY UVFLAG: Changed flags set to FALSE (data flagged as bad)
HISTORY UVFLAG: Total number of records selected: 1620; 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: 66519 0 Changed to bad: 66519
HISTORY UVFLAG: Bad: 40401 106920
HISTORY UVFLAG: wide Originally Currently
HISTORY UVFLAG: Good: 0 0 Changed to bad: 0
HISTORY UVFLAG: Bad: 0 0
HISTORY UVFLAG: Executed on: 95DEC26:01:14:20.0
HISTORY UVFLAG: Command line inputs follow:
HISTORY UVFLAG: vis=18nov94.uvxy
HISTORY UVFLAG: select=source(2232-488)
HISTORY UVFLAG: flagval=flag
HISTORY UVFLAG: Overview of flagging on visibility file 18nov94.uvxy
HISTORY UVFLAG: Changed flags set to FALSE (data flagged as bad)
HISTORY UVFLAG: Total number of records selected: 2880; 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: 136936 0 Changed to bad: 136936
HISTORY UVFLAG: Bad: 53144 190080
HISTORY UVFLAG: wide Originally Currently
HISTORY UVFLAG: Good: 0 0 Changed to bad: 0
HISTORY UVFLAG: Bad: 0 0
HISTORY UVSPLIT: Miriad UvSplit: version 1.0 05-Oct-95
HISTORY UVSPLIT: Executed on: 95DEC26:17:31:17.0
HISTORY UVSPLIT: Command line inputs follow:
HISTORY UVSPLIT: vis=18nov94.uvxy
HISTORY UVSPLIT: options=nosource
HISTORY UVSPLIT: select=-source(1934-638,2058-425,2311-452,18nov94),time(01:00
HISTORY GPCOPY: Miriad GpCopy: version 3-Dec-94
HISTORY GPCOPY: Executed on: 95DEC26:17:37:04.0
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: 95DEC26:17:37:04.0
HISTORY GPCOPY: Command line inputs follow:
HISTORY GPCOPY: vis=2058-425.1344.cal
HISTORY GPCOPY: out=uvsplit.1344
HISTORY GPCOPY: Miriad GpCopy: version 3-Dec-94
HISTORY GPCOPY: Executed on: 95DEC26:17:37:05.0
HISTORY GPCOPY: Command line inputs follow:
HISTORY GPCOPY: vis=2311-452.1344.cal
HISTORY GPCOPY: out=uvsplit.1344
HISTORY GPCOPY: mode=merge
HISTORY UVAVER: Miriad UvAver: version 1.0 21-Sep-95
HISTORY UVAVER: Executed on: 95DEC26:17:37:07.0
HISTORY UVAVER: Command line inputs follow:
HISTORY UVAVER: vis=uvsplit.1344
HISTORY UVAVER: out=18nov94.1344
HISTORY UVAFLAG: Miriad Uvaflag: version 1.0 8-Mar-93
HISTORY UVAFLAG: Executed on: 95DEC26:18:08:09.0
HISTORY UVAFLAG: Command line inputs follow:
HISTORY UVAFLAG: tvis=uvstokes.1344
HISTORY UVAFLAG: vis=18nov94.1344
HISTORY UVAVER: Miriad UvAver: version 1.0 21-Sep-95
HISTORY UVAVER: Executed on: 95DEC26:18:26:26.0
HISTORY UVAVER: Command line inputs follow:
HISTORY UVAVER: vis=18nov94.1344
HISTORY UVAVER: out=uvi.1344
HISTORY UVAVER: stokes=i
HISTORY UVSPLIT: Miriad UvSplit: version 1.0 05-Oct-95
HISTORY UVSPLIT: Executed on: 95DEC26:18:28:08.0
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: 95DEC26:18:33:25.0
HISTORY TVCLIP: Command line inputs follow:
HISTORY TVCLIP: vis=fld01_1.1344
HISTORY TVCLIP: server=xmtv@volans
HISTORY TVCLIP: taver=5
HISTORY TVCLIP: clip=6
HISTORY TVCLIP: commands=clip
HISTORY TVCLIP: options=notv
HISTORY UVFLAG: Executed on: 96JAN06:00:43:46.0
HISTORY UVFLAG: Command line inputs follow:
HISTORY UVFLAG: vis=fld01_1.1344
HISTORY UVFLAG: flagval=flag
HISTORY UVFLAG: select=ant(1)(2),ant(4)(5)
HISTORY UVFLAG: Overview of flagging on visibility file fld01_1.1344
HISTORY UVFLAG: Changed flags set to FALSE (data flagged as bad)
HISTORY UVFLAG: Total number of records selected: 430; out of 3228 records
HISTORY UVFLAG: Antennae used: 1, 2, 4, 5
HISTORY UVFLAG: Counts of correlations within selected channels
HISTORY UVFLAG: channel Originally Currently
HISTORY UVFLAG: Good: 10994 0 Changed to bad: 10994
HISTORY UVFLAG: Bad: 3196 14190
HISTORY UVFLAG: wide Originally Currently
HISTORY UVFLAG: Good: 0 0 Changed to bad: 0
HISTORY UVFLAG: Bad: 0 0
HISTORY UVCAT: Miriad UvCat: version 1.0 12-Oct-95
HISTORY UVCAT: Executed on: 96JAN06:01:33:45.0
HISTORY UVCAT: Command line inputs follow:
HISTORY UVCAT: vis=fld01_1.1344,../941231/fld01_1.1344
HISTORY UVCAT: out=../day1/fld01_1.1344
HISTORY SELFCAL: Miriad Selfcal: version 1.0 30-Jan-95
HISTORY SELFCAL: Executed on: 96JAN10:02:05:44.0
HISTORY SELFCAL: Command line inputs follow:
HISTORY SELFCAL: vis=../day1/fld01_1.1344
HISTORY SELFCAL: model=fld01_1.1344.cmp
HISTORY SELFCAL: interval=2
HISTORY SELFCAL: options=phase,mfs
HISTORY SELFCAL: clip=1.12E-04
HISTORY SELFCAL: Total number of visibilities processed: 4262
HISTORY SELFCAL: Total number of solution intervals: 64
HISTORY SELFCAL: Rms of the gain phases (degrees): 9.5
HISTORY SELFCAL: Rms deviation of gain from 1: 7.960E-08
HISTORY SELFCAL: Ratio of Actual to Theoretical noise: 0.764
HISTORY SELFCAL: Miriad Selfcal: version 1.0 30-Jan-95
HISTORY SELFCAL: Executed on: 96JAN10:02:14:23.0
HISTORY SELFCAL: Command line inputs follow:
HISTORY SELFCAL: vis=../day1/fld01_1.1344
HISTORY SELFCAL: model=fld01_1.1344.cmp
HISTORY SELFCAL: interval=2
HISTORY SELFCAL: options=phase,mfs
HISTORY SELFCAL: clip=1.15E-04
HISTORY SELFCAL: Total number of visibilities processed: 4262
HISTORY SELFCAL: Total number of solution intervals: 64
HISTORY SELFCAL: Rms of the gain phases (degrees): 9.7
HISTORY SELFCAL: Rms deviation of gain from 1: 9.255E-08
HISTORY SELFCAL: Ratio of Actual to Theoretical noise: 0.764
HISTORY UVAFLAG: Miriad Uvaflag: version 1.0 8-Mar-93
HISTORY UVAFLAG: Executed on: 96JAN10:04:16:04.0
HISTORY UVAFLAG: Command line inputs follow:
HISTORY UVAFLAG: tvis=../day1/fld01_1.1344.sub
HISTORY UVAFLAG: vis=../day1/fld01_1.1344
HISTORY SELFCAL: Miriad Selfcal: version 1.0 30-Jan-95
HISTORY SELFCAL: Executed on: 96JAN10:22:30:37.0
HISTORY SELFCAL: Command line inputs follow:
HISTORY SELFCAL: vis=../day1/fld01_1.1344
HISTORY SELFCAL: model=fld01_1.1344.cmp
HISTORY SELFCAL: interval=2
HISTORY SELFCAL: options=phase,mfs
HISTORY SELFCAL: clip=1.45E-04
HISTORY SELFCAL: Total number of visibilities processed: 4262
HISTORY SELFCAL: Total number of solution intervals: 64
HISTORY SELFCAL: Rms of the gain phases (degrees): 9.7
HISTORY SELFCAL: Rms deviation of gain from 1: 8.814E-08
HISTORY SELFCAL: Ratio of Actual to Theoretical noise: 0.758
HISTORY SELFCAL: Miriad Selfcal: version 1.0 30-Jan-95
HISTORY SELFCAL: Executed on: 96JAN10:22:36:31.0
HISTORY SELFCAL: Command line inputs follow:
HISTORY SELFCAL: vis=../day1/fld01_1.1344
HISTORY SELFCAL: model=fld01_1.1344.cmp
HISTORY SELFCAL: interval=2
HISTORY SELFCAL: options=phase,mfs
HISTORY SELFCAL: clip=1.46E-04
HISTORY SELFCAL: Total number of visibilities processed: 4262
HISTORY SELFCAL: Total number of solution intervals: 64
HISTORY SELFCAL: Rms of the gain phases (degrees): 9.7
HISTORY SELFCAL: Rms deviation of gain from 1: 9.216E-08
HISTORY SELFCAL: Ratio of Actual to Theoretical noise: 0.758
HISTORY SELFCAL: Miriad Selfcal: version 1.0 30-Jan-95
HISTORY SELFCAL: Executed on: 96JAN11:02:29:51.0
HISTORY SELFCAL: Command line inputs follow:
HISTORY SELFCAL: vis=../day1/fld01_1.1344
HISTORY SELFCAL: model=fld01_1.1344.cmp
HISTORY SELFCAL: interval=2
HISTORY SELFCAL: options=phase,mfs
HISTORY SELFCAL: clip=1.46E-04
HISTORY SELFCAL: Total number of visibilities processed: 4262
HISTORY SELFCAL: Total number of solution intervals: 64
HISTORY SELFCAL: Rms of the gain phases (degrees): 9.7
HISTORY SELFCAL: Rms deviation of gain from 1: 8.660E-08
HISTORY SELFCAL: Ratio of Actual to Theoretical noise: 0.758
HISTORY SELFCAL: Miriad Selfcal: version 1.0 30-Jan-95
HISTORY SELFCAL: Executed on: 96JAN11:02:37:46.0
HISTORY SELFCAL: Command line inputs follow:
HISTORY SELFCAL: vis=../day1/fld01_1.1344
HISTORY SELFCAL: model=fld01_1.1344.cmp
HISTORY SELFCAL: interval=2
HISTORY SELFCAL: options=phase,mfs
HISTORY SELFCAL: clip=1.46E-04
HISTORY SELFCAL: Total number of visibilities processed: 4262
HISTORY SELFCAL: Total number of solution intervals: 64
HISTORY SELFCAL: Rms of the gain phases (degrees): 9.7
HISTORY SELFCAL: Rms deviation of gain from 1: 1.004E-07
HISTORY SELFCAL: Ratio of Actual to Theoretical noise: 0.758
HISTORY INVERT: Miriad Invert: version 1.0 20-Jun-97
HISTORY INVERT: Executed on: 97DEC05:09:43:15.0
HISTORY INVERT: Command line inputs follow:
HISTORY INVERT: vis=../day1/fld01_1.1344,../day2/fld01_1.1344
HISTORY INVERT: beam=fld01_1.1344.beam
HISTORY INVERT: map=fld01_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=22:35:57.37,-39:59:15.0
HISTORY CLEAN: Miriad Clean: version 1.0 24-Jun-97
HISTORY CLEAN: Executed on: 97DEC05:09:46:24.0
HISTORY CLEAN: Command line inputs follow:
HISTORY CLEAN: map=fld01_1.1344.map
HISTORY CLEAN: beam=fld01_1.1344.beam
HISTORY CLEAN: out=fld01_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 = 0.911
HISTORY CLEAN: Minpatch = 127
HISTORY CLEAN: Total Iterations = 798
HISTORY IMCOMB: Miriad ImComb: version 1.0 21-Jul-97
HISTORY IMCOMB: Executed on: 97DEC05:09:59:16.0
HISTORY IMCOMB: Command line inputs follow:
HISTORY IMCOMB: in=fld01_1.1344.cmp.old,fld01_1.1344.cmp.ext
HISTORY IMCOMB: out=fld01_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: 97DEC12:19:27:22.0
HISTORY RESTOR: Command line inputs follow:
HISTORY RESTOR: fwhm=12.9,7.8
HISTORY RESTOR: pa=1
HISTORY RESTOR: mode=convolve
HISTORY RESTOR: model=fld01_1.1344.cmp
HISTORY RESTOR: out=fld01_1.1344.cvlcmp
HISTORY RESTOR: beam=dummy.beam.fld01_1.1344
HISTORY RESTOR: Beam = 1.290E+01 x 7.800E+00 arcsec, pa = 1.000E+00 degrees
HISTORY IMSUB: Miriad Imsub: version 1.0 18-Jul-97
HISTORY IMSUB: Executed on: 97DEC12:19:27:54.0
HISTORY IMSUB: Command line inputs follow:
HISTORY IMSUB: in=fld01_1.1344.cvlcmp
HISTORY IMSUB: out=fld01_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: 97DEC12:19:27:55.0
HISTORY COPYHD: Command line inputs follow:
HISTORY COPYHD: in=fld01_1.1344.map.sub
HISTORY COPYHD: out=fld01_1.1344.cvlcmp.sub
HISTORY COPYHD: items=mostable
HISTORY MATHS: Miriad Maths: version 1.0 05-Jun-97
HISTORY MATHS: Executed on: 97DEC12:19:27:56.0
HISTORY MATHS: Command line inputs follow:
HISTORY MATHS: exp=<fld01_1.1344.cvlcmp.sub>+<fld01_1.1344.map.sub>
HISTORY MATHS: out=fld01_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: 97DEC12:19:57:09.0
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: 97DEC12:20:17:10.0
HISTORY MATHS: Command line inputs follow:
HISTORY MATHS: exp=(<1344.linmos>+<1448.linmos.sub>)/2
HISTORY MATHS: out=fld01to06.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