! Started logfile: 0119+041_X.log on Thu Jul 14 10:28:58 2005
observe 0119+041_X.edt
! Reading UV FITS file: 0119+041_X.edt
! AN table 1: 66 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.133705 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0119+041
! 
! 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 1818 lines of history.
! 
! Reading 6036 visibilities.
![@gonzo8-0.1 0119+041_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 984 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 984 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 987 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 986 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.209296Jy  sigma=0.003551
! Fit after  self-cal, rms=0.208918Jy  sigma=0.003550
! 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=1.159 mas, bmaj=2.188 mas, bpa=18.25 degrees
! Estimated noise=1126.38 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 = 0.70419 Jy
! Total flux subtracted in 50 components = 0.70419 Jy
! Clean residual min=-0.060521 max=0.216014 Jy/beam
! Clean residual mean=-0.000739 rms=0.024221 Jy/beam
! Combined flux in latest and established models = 0.70419 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 8 components and 0.70419 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.316722Jy  sigma=0.005828
! Fit after  self-cal, rms=0.316716Jy  sigma=0.005828
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.216262 Jy
! Total flux subtracted in 50 components = 0.216262 Jy
! Clean residual min=-0.028144 max=0.089860 Jy/beam
! Clean residual mean=-0.000333 rms=0.010896 Jy/beam
! Combined flux in latest and established models = 0.920452 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 16 components and 0.920452 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.152515Jy  sigma=0.002770
! Fit after  self-cal, rms=0.152483Jy  sigma=0.002770
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.093676 Jy
! Total flux subtracted in 50 components = 0.093676 Jy
! Clean residual min=-0.014193 max=0.040384 Jy/beam
! Clean residual mean=-0.000156 rms=0.005619 Jy/beam
! Combined flux in latest and established models = 1.01413 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 23 components and 1.01413 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.097150Jy  sigma=0.001692
! Fit after  self-cal, rms=0.097111Jy  sigma=0.001691
! 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=1.395 mas, bmaj=2.561 mas, bpa=16.32 degrees
! Estimated noise=662.389 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 = 0.0457425 Jy
! Component: 100  -  total flux cleaned = 0.0626957 Jy
! Total flux subtracted in 100 components = 0.0626957 Jy
! Clean residual min=-0.009836 max=0.012134 Jy/beam
! Clean residual mean=-0.000072 rms=0.002825 Jy/beam
! Combined flux in latest and established models = 1.07682 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 28 model components to the UV plane model.
! The established model now contains 37 components and 1.07682 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.079398Jy  sigma=0.001300
! Fit after  self-cal, rms=0.079382Jy  sigma=0.001300
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        1.00     KK        1.00*    KP        0.99     LA        0.99     
!   MC        1.00*    MK        1.14     NL        0.96     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        0.99     SC        0.97     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.03     GC        1.00*    HH        1.00*    
!   HN        0.99     KK        1.00*    KP        0.99     LA        1.00     
!   MC        1.00*    MK        1.13     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        1.01     PT        0.98     SC        1.01     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.01     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        1.00     KK        1.00*    KP        0.99     LA        0.99     
!   MC        1.00*    MK        1.00*    NL        0.97     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        1.00     SC        1.01     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.03     GC        1.00*    HH        1.00*    
!   HN        1.01     KK        1.00*    KP        1.00     LA        0.99     
!   MC        1.00*    MK        1.00*    NL        0.96     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        1.00     SC        1.04     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.079382Jy  sigma=0.001300
! Fit after  self-cal, rms=0.074807Jy  sigma=0.001225
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.4 mas, bmaj=2.567 mas, bpa=16.19 degrees
! Estimated noise=658.097 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 = 0.00285022 Jy
! Component: 100  -  total flux cleaned = 0.0036774 Jy
! Total flux subtracted in 100 components = 0.0036774 Jy
! Clean residual min=-0.006726 max=0.006341 Jy/beam
! Clean residual mean=-0.000037 rms=0.001793 Jy/beam
! Combined flux in latest and established models = 1.0805 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 44 components and 1.0805 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.074415Jy  sigma=0.001219
! Fit after  self-cal, rms=0.074385Jy  sigma=0.001219
! 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 = 9.88332e-05 Jy
! Component: 100  -  total flux cleaned = 0.000106405 Jy
! Total flux subtracted in 100 components = 0.000106405 Jy
! Clean residual min=-0.006723 max=0.006498 Jy/beam
! Clean residual mean=-0.000037 rms=0.001754 Jy/beam
! Combined flux in latest and established models = 1.08061 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 48 components and 1.08061 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.074227Jy  sigma=0.001216
! Fit after  self-cal, rms=0.070407Jy  sigma=0.001152
! Inverting map and beam 
! Estimated beam: bmin=1.4 mas, bmaj=2.566 mas, bpa=16.26 degrees
! Estimated noise=658.535 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 = 0.00199858 Jy
! Component: 100  -  total flux cleaned = 0.00204798 Jy
! Total flux subtracted in 100 components = 0.00204798 Jy
! Clean residual min=-0.003496 max=0.003703 Jy/beam
! Clean residual mean=-0.000006 rms=0.000951 Jy/beam
! Combined flux in latest and established models = 1.08266 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 58 components and 1.08266 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.070356Jy  sigma=0.001151
! Fit after  self-cal, rms=0.070350Jy  sigma=0.001151
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0119+041_X
! Writing UV FITS file: 0119+041_X.uvf
! Writing 58 model components to file: 0119+041_X.mod
! wwins: Wrote 1 windows to 0119+041_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.4 x 2.566 at 16.26 degrees (North through East)
! Clean map  min=-0.0034674  max=0.93425 Jy/beam
! Writing clean map to FITS file: 0119+041_X.fits
! Writing difmap environment to: 0119+041_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0119+041_X]
device 0119+041_Xuv.ps/vps,1,2
! Attempting to open device: '0119+041_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0119+041_Xim.ps/vps
! Attempting to open device: '0119+041_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=1.4 mas, bmaj=2.566 mas, bpa=16.26 degrees
! Estimated noise=658.535 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.4 x 2.566 at 16.26 degrees (North through East)
! Clean map  min=-0.0034674  max=0.93425 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0119+041_X.log closed on Thu Jul 14 10:29:37 2005