! Started logfile: 0454-234_X.log on Wed May 14 12:19:12 2008
observe 0454-234_X.edt
! Reading UV FITS file: 0454-234_X.edt
! AN table 1: 18 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.0617284 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0454-234
! 
! 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  8.40997e+09        8e+06          1        8e+06
!  02        2  8.47997e+09        8e+06          1        8e+06
!  03        3  8.79497e+09        8e+06          1        8e+06
!  04        4  8.89997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 938 lines of history.
! 
! Reading 680 visibilities.
![@gonzo8-0.1 0454-234_X]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.1
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 8.0
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 0.100x0.100 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 281 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 286 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 287 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 292 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.400615Jy  sigma=0.005224
! Fit after  self-cal, rms=0.401993Jy  sigma=0.005281
! 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=0.8681 mas, bmaj=3.068 mas, bpa=-0.3772 degrees
! Estimated noise=3599.64 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 = 1.04816 Jy
! Total flux subtracted in 50 components = 1.04816 Jy
! Clean residual min=-0.081439 max=0.292312 Jy/beam
! Clean residual mean=0.000178 rms=0.030848 Jy/beam
! Combined flux in latest and established models = 1.04816 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 1.04816 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.356996Jy  sigma=0.004699
! Fit after  self-cal, rms=0.356996Jy  sigma=0.004699
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.235438 Jy
! Total flux subtracted in 50 components = 0.235438 Jy
! Clean residual min=-0.037708 max=0.082315 Jy/beam
! Clean residual mean=0.000090 rms=0.012662 Jy/beam
! Combined flux in latest and established models = 1.2836 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 9 components and 1.2836 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.164915Jy  sigma=0.002157
! Fit after  self-cal, rms=0.164911Jy  sigma=0.002157
! 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=1.101 mas, bmaj=3.657 mas, bpa=-4.706 degrees
! Estimated noise=2767.71 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 = 0.10242 Jy
! Component: 100  -  total flux cleaned = 0.143781 Jy
! Total flux subtracted in 100 components = 0.143781 Jy
! Clean residual min=-0.018203 max=0.023743 Jy/beam
! Clean residual mean=0.000137 rms=0.006019 Jy/beam
! Combined flux in latest and established models = 1.42738 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 32 components and 1.42738 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105554Jy  sigma=0.001278
! Fit after  self-cal, rms=0.105545Jy  sigma=0.001278
! 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 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.96     GC        1.00*    HH        1.00*    
!   HN        1.02     KK        1.00*    KP        0.97     LA        0.99     
!   MC        1.00*    MK        0.99     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.97     SC        1.02     
!   WF        1.06     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.04     FD        0.95     GC        1.00*    HH        1.00*    
!   HN        1.00     KK        1.00*    KP        0.97     LA        1.00     
!   MC        1.00*    MK        1.00*    NL        0.97     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        1.02     SC        0.98     
!   WF        0.98     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        1.03     KK        1.00*    KP        0.99     LA        1.00     
!   MC        1.00*    MK        1.00*    NL        0.97     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        0.99     SC        0.99     
!   WF        1.13     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        0.95     GC        1.00*    HH        1.00*    
!   HN        1.01     KK        1.00*    KP        1.00     LA        1.02     
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        1.00     SC        1.06     
!   WF        1.05     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.105545Jy  sigma=0.001278
! Fit after  self-cal, rms=0.090478Jy  sigma=0.001062
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.169 mas, bmaj=3.802 mas, bpa=-3.652 degrees
! Estimated noise=2847.6 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 = 0.00386225 Jy
! Component: 100  -  total flux cleaned = 0.00419706 Jy
! Total flux subtracted in 100 components = 0.00419706 Jy
! Clean residual min=-0.011751 max=0.011286 Jy/beam
! Clean residual mean=0.000028 rms=0.003157 Jy/beam
! Combined flux in latest and established models = 1.43158 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 46 components and 1.43158 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.090140Jy  sigma=0.001055
! Fit after  self-cal, rms=0.090146Jy  sigma=0.001054
! 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 = 0.000325599 Jy
! Component: 100  -  total flux cleaned = 0.000433092 Jy
! Total flux subtracted in 100 components = 0.000433092 Jy
! Clean residual min=-0.011566 max=0.011080 Jy/beam
! Clean residual mean=0.000027 rms=0.003133 Jy/beam
! Combined flux in latest and established models = 1.43201 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 13 model components to the UV plane model.
! The established model now contains 55 components and 1.43201 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.090032Jy  sigma=0.001052
! Fit after  self-cal, rms=0.086760Jy  sigma=0.001021
! Inverting map and beam 
! Estimated beam: bmin=1.168 mas, bmaj=3.798 mas, bpa=-3.721 degrees
! Estimated noise=2848.89 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 = 0.00452032 Jy
! Component: 100  -  total flux cleaned = 0.00519573 Jy
! Total flux subtracted in 100 components = 0.00519573 Jy
! Clean residual min=-0.009592 max=0.010540 Jy/beam
! Clean residual mean=0.000021 rms=0.002893 Jy/beam
! Combined flux in latest and established models = 1.43721 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 61 components and 1.43721 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.086599Jy  sigma=0.001016
! Fit after  self-cal, rms=0.086597Jy  sigma=0.001016
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0454-234_X
! Writing UV FITS file: 0454-234_X.uvf
! Writing 61 model components to file: 0454-234_X.mod
! wwins: Wrote 1 windows to 0454-234_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.168 x 3.798 at -3.721 degrees (North through East)
! Clean map  min=-0.0094542  max=1.3697 Jy/beam
! Writing clean map to FITS file: 0454-234_X.fits
! Writing difmap environment to: 0454-234_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0454-234_X]
device 0454-234_Xuv.ps/vps,1,2
! Attempting to open device: '0454-234_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0454-234_Xim.ps/vps
! Attempting to open device: '0454-234_Xim.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=1.168 mas, bmaj=3.798 mas, bpa=-3.721 degrees
! Estimated noise=2848.89 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.168 x 3.798 at -3.721 degrees (North through East)
! Clean map  min=-0.0094542  max=1.3697 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0454-234_X.log closed on Wed May 14 12:19:19 2008