! Started logfile: 1741-038_S.log on Fri Jun  7 08:25:49 2002
observe 1741-038_S.edt
! Reading UV FITS file: 1741-038_S.edt
! AN table 1: 50 integrations on 171 of 171 possible baselines.
! AN table 2: 27 integrations on 171 of 171 possible baselines.
! AN table 3: 66 integrations on 171 of 171 possible baselines.
! AN table 4: 11 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.114946 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1741-038
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! 
! There are 4 IFs, and a total of 4 channels:
! 
!  IF  Channel    Frequency  Freq offset  Number of   Overall IF
!       origin    at origin  per channel   channels    bandwidth
!  ------------------------------------------------------------- (Hz)
!  01        1  2.22997e+09        8e+06          1        8e+06
!  02        2  2.25997e+09        8e+06          1        8e+06
!  03        3  2.34997e+09        8e+06          1        8e+06
!  04        4  2.36997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1191 lines of history.
! 
! Reading 12108 visibilities.
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.4
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 7.0
float win_mult
win_mult = 1.8
float solint
solint = 3.6/6.0
logical doflt
doflt = true
logical doamp
float new_peak
float flux_cutoff
mapsize field_size,field_cell
! Map grid = 1024x1024 pixels with 0.400x0.400 milli-arcsec cellsize.
select
! Selecting polarization: RR,  channels: 1..4
! Reading IF 1 channels: 1..1
! Reading IF 2 channels: 2..2
! Reading IF 3 channels: 3..3
! Reading IF 4 channels: 4..4
startmod
! Applying default point source starting model.
! Performing phase self-cal
! Adding 1 model components to the UV plane model.
! The established model now contains 1 components and 1 Jy
! 
! Correcting IF 1.
!  A total of 911 telescope corrections were flagged in sub-array 1.
!  A total of 391 telescope corrections were flagged in sub-array 2.
!  A total of 937 telescope corrections were flagged in sub-array 3.
!  A total of 209 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 2.
!  A total of 908 telescope corrections were flagged in sub-array 1.
!  A total of 401 telescope corrections were flagged in sub-array 2.
!  A total of 937 telescope corrections were flagged in sub-array 3.
!  A total of 203 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 3.
!  A total of 908 telescope corrections were flagged in sub-array 1.
!  A total of 391 telescope corrections were flagged in sub-array 2.
!  A total of 940 telescope corrections were flagged in sub-array 3.
!  A total of 203 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 4.
!  A total of 920 telescope corrections were flagged in sub-array 1.
!  A total of 399 telescope corrections were flagged in sub-array 2.
!  A total of 971 telescope corrections were flagged in sub-array 3.
!  A total of 209 telescope corrections were flagged in sub-array 4.
! 
! Fit before self-cal, rms=2.226610Jy  sigma=15.522673
! Fit after  self-cal, rms=2.226751Jy  sigma=15.520653
! clrmod: Cleared the established, tentative and continuum models.
! Redundant starting model cleared.
uvweight 2,-1
! Uniform weighting binwidth: 2 (pixels).
! Gridding weights will be scaled by errors raised to the power -1.
! Radial weighting is not currently selected.
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.09 mas, bmaj=6.426 mas, bpa=-4.276 degrees
! Estimated noise=2.10431 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! Added new window around map position (0, 0).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 2.36554 Jy
! Total flux subtracted in 50 components = 2.36554 Jy
! Clean residual min=-0.128527 max=0.659805 Jy/beam
! Clean residual mean=-0.000404 rms=0.045248 Jy/beam
! Combined flux in latest and established models = 2.36554 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 1 model components to the UV plane model.
! The established model now contains 1 components and 2.36554 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.018863Jy  sigma=7.075930
! Fit after  self-cal, rms=1.018863Jy  sigma=7.075931
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.59604 Jy
! Total flux subtracted in 50 components = 0.59604 Jy
! Clean residual min=-0.090379 max=0.250326 Jy/beam
! Clean residual mean=-0.000779 rms=0.028851 Jy/beam
! Combined flux in latest and established models = 2.96158 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 6 components and 2.96158 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.673757Jy  sigma=4.692192
! Fit after  self-cal, rms=0.673749Jy  sigma=4.692132
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.262887 Jy
! Total flux subtracted in 50 components = 0.262887 Jy
! Clean residual min=-0.083848 max=0.118372 Jy/beam
! Clean residual mean=-0.000944 rms=0.024676 Jy/beam
! Combined flux in latest and established models = 3.22446 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 8 components and 3.22446 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.589764Jy  sigma=4.122697
! Fit after  self-cal, rms=0.589760Jy  sigma=4.122659
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Uniform Weighting CLEAN ***"
! *** Finished Uniform Weighting CLEAN *** 
print "****************************************"
! **************************************** 
uvweight 0,-1
! Uniform weighting is not currently selected.
! Gridding weights will be scaled by errors raised to the power -1.
! Radial weighting is not currently selected.
win_mult = win_mult * 1.6
clean_niter = clean_niter * 2
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.222 mas, bmaj=8.051 mas, bpa=-7.295 degrees
! Estimated noise=1.32232 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.132808 Jy
! Component: 100  -  total flux cleaned = 0.203155 Jy
! Total flux subtracted in 100 components = 0.203155 Jy
! Clean residual min=-0.099803 max=0.107975 Jy/beam
! Clean residual mean=-0.003662 rms=0.023736 Jy/beam
! Combined flux in latest and established models = 3.42762 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 22 model components to the UV plane model.
! The established model now contains 29 components and 3.42762 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.561589Jy  sigma=3.936508
! Fit after  self-cal, rms=0.561580Jy  sigma=3.936448
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 39 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MC        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TS        0.00*    
!   WF        0.00*    KK        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.89     FD        1.15     GC        0.97     GG        1.00*    
!   HN        1.00*    KP        0.93     LA        0.97     MC        1.00*    
!   MK        0.89     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        0.96     PT        0.99     SC        1.00*    TS        1.21     
!   WF        1.00*    KK        1.20     WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.87     FD        1.17     GC        1.00*    GG        1.00*    
!   HN        1.03     KP        0.94     LA        0.96     MC        0.98     
!   MK        0.89     NL        0.86     NY        1.00*    ON        1.00*    
!   OV        0.95     PT        1.01     SC        1.01     TS        1.00*    
!   WF        1.06     KK        1.34     WZ        0.87     
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MC        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TS        0.00*    
!   WF        0.00*    KK        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 2.
!  A total of 30 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    GC        1.03     GG        1.00*    
!   HN        0.98     KP        1.00*    LA        1.00*    MC        1.00*    
!   MK        1.00*    NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        1.00*    SC        1.03     TS        1.00*    
!   WF        1.04     KK        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.93     FD        1.00*    GC        0.97     GG        1.00*    
!   HN        1.00*    KP        0.98     LA        1.00*    MC        1.00*    
!   MK        0.97     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        0.99     PT        0.96     SC        1.00*    TS        1.18     
!   WF        1.00*    KK        1.20     WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.91     FD        0.98     GC        1.00*    GG        1.00*    
!   HN        1.15     KP        0.97     LA        0.94     MC        1.02     
!   MK        0.98     NL        0.94     NY        1.00*    ON        1.00*    
!   OV        0.99     PT        0.98     SC        1.00     TS        1.00*    
!   WF        1.03     KK        1.36     WZ        0.82     
! 
!  A total of 6 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MC        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TS        0.00*    
!   WF        0.00*    KK        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 3.
!  A total of 30 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    GC        1.04     GG        1.00*    
!   HN        0.98     KP        1.00*    LA        1.00*    MC        1.00*    
!   MK        1.00*    NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        1.00*    SC        1.00     TS        1.00*    
!   WF        1.10     KK        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        0.94     GC        1.02     GG        1.00*    
!   HN        1.00*    KP        1.04     LA        0.94     MC        1.00*    
!   MK        0.94     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        0.98     PT        1.04     SC        1.00*    TS        1.25     
!   WF        1.00*    KK        0.96     WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.98     FD        0.94     GC        1.00*    GG        1.00*    
!   HN        1.21     KP        1.03     LA        0.94     MC        1.95     
!   MK        0.93     NL        0.99     NY        1.00*    ON        1.00*    
!   OV        0.91     PT        1.07     SC        1.04     TS        1.00*    
!   WF        2.04     KK        1.07     WZ        0.80     
! 
!  A total of 6 telescope corrections were flagged in sub-array 4.
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MC        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TS        0.00*    
!   WF        0.00*    KK        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 4.
!  A total of 18 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    GC        0.95     GG        1.00*    
!   HN        1.02     KP        1.00*    LA        1.00*    MC        1.00*    
!   MK        1.00*    NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        1.00*    SC        1.03     TS        1.00*    
!   WF        1.18     KK        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        0.84     GC        1.10     GG        1.00*    
!   HN        1.00*    KP        1.05     LA        1.00*    MC        1.00*    
!   MK        0.92     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        0.90     PT        1.00*    SC        1.00*    TS        1.16     
!   WF        1.00*    KK        0.99     WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.96     FD        0.84     GC        1.00*    GG        1.00*    
!   HN        1.16     KP        1.07     LA        0.78     MC        1.00*    
!   MK        0.93     NL        0.98     NY        1.00*    ON        1.00*    
!   OV        0.89     PT        1.09     SC        0.91     TS        1.00*    
!   WF        1.22     KK        1.11     WZ        0.78     
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MC        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TS        0.00*    
!   WF        0.00*    KK        0.00*    WZ        0.00*    
! 
! 
! Fit before self-cal, rms=0.561580Jy  sigma=3.936448
! Fit after  self-cal, rms=0.200479Jy  sigma=1.274536
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.232 mas, bmaj=8.303 mas, bpa=-8.168 degrees
! Estimated noise=1.33425 mJy/beam.
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.0193819 Jy
! Component: 100  -  total flux cleaned = -0.0223236 Jy
! Total flux subtracted in 100 components = -0.0223236 Jy
! Clean residual min=-0.013735 max=0.010049 Jy/beam
! Clean residual mean=-0.000647 rms=0.003126 Jy/beam
! Combined flux in latest and established models = 3.40529 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 9 model components to the UV plane model.
! The established model now contains 38 components and 3.40529 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.198565Jy  sigma=1.260463
! Fit after  self-cal, rms=0.198643Jy  sigma=1.260150
! Inverting map 
dynam = dynam - 1.0
doamp = true
solint = solint * (6.0/3.6)
flux_cutoff = imstat(rms) * dynam
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.000774181 Jy
! Component: 100  -  total flux cleaned = -0.00179327 Jy
! Total flux subtracted in 100 components = -0.00179327 Jy
! Clean residual min=-0.012449 max=0.009322 Jy/beam
! Clean residual mean=-0.000640 rms=0.003015 Jy/beam
! Combined flux in latest and established models = 3.4035 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 9 model components to the UV plane model.
! The established model now contains 42 components and 3.4035 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.197988Jy  sigma=1.255686
! Fit after  self-cal, rms=0.158235Jy  sigma=1.003148
! Inverting map and beam 
! Estimated beam: bmin=2.237 mas, bmaj=8.301 mas, bpa=-8.165 degrees
! Estimated noise=1.33519 mJy/beam.
doamp = false
solint = solint / (6.0/3.6)
flux_cutoff = imstat(rms) * dynam
repeat
  if (peak(flux) > flux_cutoff) peakwin win_mult
  clean clean_niter,clean_gain
  flux_cutoff = imstat(rms) * dynam
  selfcal doamp, doflt, solint
  new_peak = peak(flux)
  until(new_peak<=flux_cutoff)
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = -0.00619917 Jy
! Component: 100  -  total flux cleaned = -0.00561099 Jy
! Total flux subtracted in 100 components = -0.00561099 Jy
! Clean residual min=-0.011062 max=0.008189 Jy/beam
! Clean residual mean=-0.000070 rms=0.002084 Jy/beam
! Combined flux in latest and established models = 3.39789 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 53 components and 3.39789 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.157371Jy  sigma=0.997405
! Fit after  self-cal, rms=0.157388Jy  sigma=0.997343
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1741-038_S
! Writing UV FITS file: 1741-038_S.uvf
! Writing 53 model components to file: 1741-038_S.mod
! wwins: Wrote 1 windows to 1741-038_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.237 x 8.301 at -8.165 degrees (North through East)
! Clean map  min=-0.01054  max=3.06 Jy/beam
! Writing clean map to FITS file: 1741-038_S.fits
! Writing difmap environment to: 1741-038_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
device 1741-038_Suv.ps/vps,1,2
! Attempting to open device: '1741-038_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1741-038_Sim.ps/vps
! Attempting to open device: '1741-038_Sim.ps/vps'
uvweight 0,-1
! Uniform weighting is not currently selected.
! Gridding weights will be scaled by errors raised to the power -1.
! Radial weighting is not currently selected.
loglevs -1,2048,2
! The new contour levels are:
!  -1 1 2 4 8 16 32 64 128 256 512 1024 2048
cmul = imstat(rms)*3
! Inverting map and beam 
! Estimated beam: bmin=2.237 mas, bmaj=8.301 mas, bpa=-8.165 degrees
! Estimated noise=1.33519 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.237 x 8.301 at -8.165 degrees (North through East)
! Clean map  min=-0.01054  max=3.06 Jy/beam
quit
! Quitting program
! Log file 1741-038_S.log closed on Fri Jun  7 08:26:19 2002