! Started logfile: 1448+762_S.log on Sat Feb  3 14:27:57 2007
observe 1448+762_S.edt
! Reading UV FITS file: 1448+762_S.edt
! AN table 1: 74 integrations on 153 of 153 possible baselines.
! AN table 2: 86 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.285212 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1448+762
! 
! 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 1912 lines of history.
! 
! Reading 27928 visibilities.
![@gonzo5-0.4 1448+762_S]
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 = 5.0
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 873 telescope corrections were flagged in sub-array 1.
!  A total of 1029 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 870 telescope corrections were flagged in sub-array 1.
!  A total of 1018 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 874 telescope corrections were flagged in sub-array 1.
!  A total of 1024 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 873 telescope corrections were flagged in sub-array 1.
!  A total of 1052 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.788178Jy  sigma=0.011935
! Fit after  self-cal, rms=0.786741Jy  sigma=0.011952
! 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=1.894 mas, bmaj=2.093 mas, bpa=73.65 degrees
! Estimated noise=853.394 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 = 0.15902 Jy
! Total flux subtracted in 50 components = 0.15902 Jy
! Clean residual min=-0.008969 max=0.044364 Jy/beam
! Clean residual mean=-0.000017 rms=0.001798 Jy/beam
! Combined flux in latest and established models = 0.15902 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 0.15902 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.096033Jy  sigma=0.001372
! Fit after  self-cal, rms=0.096033Jy  sigma=0.001372
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0361535 Jy
! Total flux subtracted in 50 components = 0.0361535 Jy
! Clean residual min=-0.005484 max=0.013280 Jy/beam
! Clean residual mean=-0.000009 rms=0.001191 Jy/beam
! Combined flux in latest and established models = 0.195173 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 0.195173 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.079716Jy  sigma=0.001130
! Fit after  self-cal, rms=0.079713Jy  sigma=0.001129
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0138166 Jy
! Total flux subtracted in 50 components = 0.0138166 Jy
! Clean residual min=-0.005226 max=0.006129 Jy/beam
! Clean residual mean=-0.000006 rms=0.001090 Jy/beam
! Combined flux in latest and established models = 0.20899 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 10 components and 0.20899 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.076638Jy  sigma=0.001085
! Fit after  self-cal, rms=0.076627Jy  sigma=0.001085
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00672587 Jy
! Total flux subtracted in 50 components = 0.00672586 Jy
! Clean residual min=-0.005073 max=0.005672 Jy/beam
! Clean residual mean=-0.000004 rms=0.001067 Jy/beam
! Combined flux in latest and established models = 0.215716 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 12 components and 0.215716 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.075708Jy  sigma=0.001072
! Fit after  self-cal, rms=0.075705Jy  sigma=0.001072
! Inverting map 
! Added new window around map position (2.8, 13.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00512281 Jy
! Total flux subtracted in 50 components = 0.00512281 Jy
! Clean residual min=-0.004965 max=0.004449 Jy/beam
! Clean residual mean=-0.000003 rms=0.001050 Jy/beam
! Combined flux in latest and established models = 0.220839 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 17 components and 0.220839 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.075389Jy  sigma=0.001068
! Fit after  self-cal, rms=0.075370Jy  sigma=0.001067
! 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=2.612 mas, bmaj=2.819 mas, bpa=62.2 degrees
! Estimated noise=442.898 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 = 0.00612523 Jy
! Component: 100  -  total flux cleaned = 0.0081607 Jy
! Total flux subtracted in 100 components = 0.0081607 Jy
! Clean residual min=-0.003661 max=0.003998 Jy/beam
! Clean residual mean=-0.000020 rms=0.000892 Jy/beam
! Combined flux in latest and established models = 0.228999 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 24 components and 0.228999 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.074864Jy  sigma=0.001061
! Fit after  self-cal, rms=0.074862Jy  sigma=0.001061
! 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 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        1.12     GC        0.96     HH        1.00*    HN        1.02     
!   LA        1.10     MC        1.09     MK        0.98     NY        0.97     
!   ON        1.00*    OV        1.02     PT        1.01     SC        1.00*    
!   TS        1.02     WF        1.00*    BR        0.93     KK        0.95     
!   KP        0.91     WZ        0.92     
! 
!  A total of 15 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   FD        1.11     GC        0.97     HH        1.00*    HN        0.97     
!   LA        1.09     MC        1.04     MK        1.00*    NY        0.99     
!   ON        1.00*    OV        0.99     PT        1.00     SC        1.00*    
!   TS        1.01     WF        1.00*    BR        0.94     KK        1.01     
!   KP        0.96     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.99     GC        0.95     HH        1.00*    HN        1.01     
!   LA        1.04     MC        1.03     MK        1.04     NY        0.95     
!   ON        1.00*    OV        1.04     PT        0.98     SC        1.00*    
!   TS        0.99     WF        1.00*    BR        0.99     KK        0.95     
!   KP        1.00     WZ        0.91     
! 
!  A total of 12 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   FD        1.00     GC        0.97     HH        1.00*    HN        0.95     
!   LA        1.07     MC        1.10     MK        1.00*    NY        0.97     
!   ON        1.00*    OV        1.00     PT        0.98     SC        1.00*    
!   TS        0.98     WF        1.00*    BR        0.96     KK        0.99     
!   KP        1.00     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.92     GC        1.00     HH        1.00*    HN        1.22     
!   LA        0.95     MC        1.32     MK        0.99     NY        0.95     
!   ON        1.00*    OV        0.99     PT        1.04     SC        1.00*    
!   TS        0.98     WF        1.00*    BR        0.98     KK        1.00     
!   KP        1.03     WZ        0.84     
! 
!  A total of 18 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.99     GC        1.02     HH        1.00*    HN        1.19     
!   LA        0.97     MC        1.08     MK        1.00*    NY        0.97     
!   ON        1.00*    OV        1.02     PT        1.04     SC        1.00*    
!   TS        1.06     WF        1.00*    BR        1.04     KK        1.03     
!   KP        0.99     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.86     GC        1.08     HH        1.00*    HN        1.13     
!   LA        0.81     MC        1.73     MK        1.02     NY        1.05     
!   ON        1.00*    OV        0.93     PT        1.07     SC        1.00*    
!   TS        1.04     WF        1.00*    BR        0.97     KK        0.96     
!   KP        1.04     WZ        0.87     
! 
!  A total of 12 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.89     GC        1.03     HH        1.00*    HN        1.09     
!   LA        0.83     MC        1.51     MK        1.00*    NY        0.95     
!   ON        1.00*    OV        0.93     PT        1.00     SC        1.00*    
!   TS        1.03     WF        1.00*    BR        0.99     KK        1.00     
!   KP        0.99     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.074862Jy  sigma=0.001061
! Fit after  self-cal, rms=0.070960Jy  sigma=0.001008
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.617 mas, bmaj=2.842 mas, bpa=64.43 degrees
! Estimated noise=441.956 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 (28.8, 8.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00237083 Jy
! Component: 100  -  total flux cleaned = 0.00325208 Jy
! Total flux subtracted in 100 components = 0.00325208 Jy
! Clean residual min=-0.002236 max=0.002457 Jy/beam
! Clean residual mean=-0.000005 rms=0.000564 Jy/beam
! Combined flux in latest and established models = 0.232251 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 39 components and 0.232251 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.070872Jy  sigma=0.001007
! Fit after  self-cal, rms=0.070879Jy  sigma=0.001007
! Inverting map 
! Added new window around map position (3.2, 0.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0018006 Jy
! Component: 100  -  total flux cleaned = 0.0025772 Jy
! Total flux subtracted in 100 components = 0.0025772 Jy
! Clean residual min=-0.002136 max=0.002156 Jy/beam
! Clean residual mean=-0.000003 rms=0.000541 Jy/beam
! Combined flux in latest and established models = 0.234829 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 50 components and 0.234829 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.070815Jy  sigma=0.001006
! Fit after  self-cal, rms=0.070811Jy  sigma=0.001006
! Inverting map 
! Added new window around map position (34.4, 19.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00212474 Jy
! Component: 100  -  total flux cleaned = 0.00352968 Jy
! Total flux subtracted in 100 components = 0.00352968 Jy
! Clean residual min=-0.002126 max=0.001921 Jy/beam
! Clean residual mean=-0.000002 rms=0.000506 Jy/beam
! Combined flux in latest and established models = 0.238358 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 65 components and 0.238358 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.070750Jy  sigma=0.001004
! Fit after  self-cal, rms=0.070747Jy  sigma=0.001004
! 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 = 0.00120931 Jy
! Component: 100  -  total flux cleaned = 0.00177537 Jy
! Total flux subtracted in 100 components = 0.00177537 Jy
! Clean residual min=-0.002097 max=0.001896 Jy/beam
! Clean residual mean=-0.000002 rms=0.000494 Jy/beam
! Combined flux in latest and established models = 0.240134 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 72 components and 0.240134 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.070724Jy  sigma=0.001004
! Fit after  self-cal, rms=0.069725Jy  sigma=0.000983
! Inverting map and beam 
! Estimated beam: bmin=2.621 mas, bmaj=2.841 mas, bpa=64.39 degrees
! Estimated noise=443.245 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 = 0.00105675 Jy
! Component: 100  -  total flux cleaned = 0.00164221 Jy
! Total flux subtracted in 100 components = 0.00164221 Jy
! Clean residual min=-0.002070 max=0.001806 Jy/beam
! Clean residual mean=-0.000001 rms=0.000476 Jy/beam
! Combined flux in latest and established models = 0.241776 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 84 components and 0.241776 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.069700Jy  sigma=0.000982
! Fit after  self-cal, rms=0.069702Jy  sigma=0.000982
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1448+762_S
! Writing UV FITS file: 1448+762_S.uvf
! Writing 84 model components to file: 1448+762_S.mod
! wwins: Wrote 5 windows to 1448+762_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.621 x 2.841 at 64.39 degrees (North through East)
! Clean map  min=-0.001946  max=0.21218 Jy/beam
! Writing clean map to FITS file: 1448+762_S.fits
! Writing difmap environment to: 1448+762_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1448+762_S]
device 1448+762_Suv.ps/vps,1,2
! Attempting to open device: '1448+762_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1448+762_Sim.ps/vps
! Attempting to open device: '1448+762_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=2.621 mas, bmaj=2.841 mas, bpa=64.39 degrees
! Estimated noise=443.245 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.621 x 2.841 at 64.39 degrees (North through East)
! Clean map  min=-0.001946  max=0.21218 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo5-0.4]
quit
! Quitting program
! Log file 1448+762_S.log closed on Sat Feb  3 14:28:29 2007