! Started logfile: 0552+398_S.log on Wed Dec 13 15:41:19 2006
observe 0552+398_S.edt
! Reading UV FITS file: 0552+398_S.edt
! AN table 1: 15 integrations on 153 of 153 possible baselines.
! AN table 2: 159 integrations on 153 of 153 possible baselines.
! AN table 3: 121 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.133378 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0552+398
! 
! 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 24080 visibilities.
![@gonzo7-0.4 0552+398_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 = 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 182 telescope corrections were flagged in sub-array 1.
!  A total of 1998 telescope corrections were flagged in sub-array 2.
!  A total of 1858 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 182 telescope corrections were flagged in sub-array 1.
!  A total of 1995 telescope corrections were flagged in sub-array 2.
!  A total of 1854 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 182 telescope corrections were flagged in sub-array 1.
!  A total of 2033 telescope corrections were flagged in sub-array 2.
!  A total of 1875 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 192 telescope corrections were flagged in sub-array 1.
!  A total of 2083 telescope corrections were flagged in sub-array 2.
!  A total of 1883 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=1.774780Jy  sigma=0.028149
! Fit after  self-cal, rms=1.775940Jy  sigma=0.028225
! 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=2.046 mas, bmaj=3.252 mas, bpa=-22.62 degrees
! Estimated noise=701.714 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 = 2.06156 Jy
! Total flux subtracted in 50 components = 2.06156 Jy
! Clean residual min=-0.073389 max=0.575230 Jy/beam
! Clean residual mean=-0.000284 rms=0.023477 Jy/beam
! Combined flux in latest and established models = 2.06156 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 2.06156 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.802700Jy  sigma=0.013170
! Fit after  self-cal, rms=0.802699Jy  sigma=0.013170
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.507672 Jy
! Total flux subtracted in 50 components = 0.507672 Jy
! Clean residual min=-0.044092 max=0.208495 Jy/beam
! Clean residual mean=-0.000119 rms=0.013502 Jy/beam
! Combined flux in latest and established models = 2.56923 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 2.56923 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.474925Jy  sigma=0.007541
! Fit after  self-cal, rms=0.474879Jy  sigma=0.007541
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.22405 Jy
! Total flux subtracted in 50 components = 0.22405 Jy
! Clean residual min=-0.038585 max=0.101977 Jy/beam
! Clean residual mean=-0.000049 rms=0.010494 Jy/beam
! Combined flux in latest and established models = 2.79328 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 12 components and 2.79328 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.393085Jy  sigma=0.005845
! Fit after  self-cal, rms=0.393049Jy  sigma=0.005844
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.116176 Jy
! Total flux subtracted in 50 components = 0.116176 Jy
! Clean residual min=-0.037176 max=0.070776 Jy/beam
! Clean residual mean=-0.000012 rms=0.009505 Jy/beam
! Combined flux in latest and established models = 2.90945 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 19 components and 2.90945 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.371483Jy  sigma=0.005283
! Fit after  self-cal, rms=0.371444Jy  sigma=0.005282
! Inverting map 
! Added new window around map position (-1.2, -6.4).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0783255 Jy
! Total flux subtracted in 50 components = 0.0783255 Jy
! Clean residual min=-0.037165 max=0.064984 Jy/beam
! Clean residual mean=0.000015 rms=0.009037 Jy/beam
! Combined flux in latest and established models = 2.98778 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 13 model components to the UV plane model.
! The established model now contains 29 components and 2.98778 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.362026Jy  sigma=0.005075
! Fit after  self-cal, rms=0.361862Jy  sigma=0.005072
! Inverting map 
! Added new window around map position (-4.8, -4).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0648078 Jy
! Total flux subtracted in 50 components = 0.0648078 Jy
! Clean residual min=-0.037326 max=0.058079 Jy/beam
! Clean residual mean=0.000040 rms=0.008702 Jy/beam
! Combined flux in latest and established models = 3.05259 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 33 components and 3.05259 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.355550Jy  sigma=0.004971
! Fit after  self-cal, rms=0.355402Jy  sigma=0.004967
! 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=2.543 mas, bmaj=3.768 mas, bpa=-21.31 degrees
! Estimated noise=388.053 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 = 0.0430349 Jy
! Component: 100  -  total flux cleaned = 0.0584846 Jy
! Total flux subtracted in 100 components = 0.0584846 Jy
! Clean residual min=-0.034419 max=0.044696 Jy/beam
! Clean residual mean=0.000172 rms=0.009993 Jy/beam
! Combined flux in latest and established models = 3.11107 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 45 components and 3.11107 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.350636Jy  sigma=0.004888
! Fit after  self-cal, rms=0.350607Jy  sigma=0.004887
! 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:
!   FD        1.13     GC        0.98     HH        1.00*    HN        0.94     
!   LA        1.12     MC        1.10     MK        0.93     NY        1.00*    
!   ON        0.95     OV        1.01     PT        0.98     SC        1.00*    
!   TS        1.00*    WF        1.15     BR        1.00*    KK        1.00*    
!   KP        1.00*    WZ        1.00*    
! 
!  A total of 54 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   FD        1.14     GC        0.97     HH        1.00*    HN        0.94     
!   LA        1.12     MC        1.29     MK        0.92     NY        1.01     
!   ON        1.00*    OV        1.01     PT        0.98     SC        1.00*    
!   TS        1.00     WF        1.11     BR        0.93     KK        0.91     
!   KP        0.96     WZ        0.84     
! 
!  A total of 18 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   FD        1.13     GC        0.96     HH        1.00*    HN        0.93     
!   LA        1.10     MC        1.26     MK        1.00*    NY        0.98     
!   ON        0.95     OV        1.01     PT        0.98     SC        1.00*    
!   TS        1.00*    WF        1.18     BR        0.91     KK        1.00*    
!   KP        0.96     WZ        0.87     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.98     GC        0.95     HH        1.00*    HN        0.91     
!   LA        1.07     MC        1.18     MK        1.01     NY        1.00*    
!   ON        0.98     OV        1.02     PT        0.95     SC        1.00*    
!   TS        1.00*    WF        1.08     BR        1.00*    KK        1.00*    
!   KP        1.00*    WZ        1.00*    
! 
!  A total of 45 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.99     GC        0.94     HH        1.00*    HN        0.94     
!   LA        1.08     MC        1.19     MK        1.00     NY        0.97     
!   ON        1.00*    OV        1.03     PT        0.96     SC        1.00*    
!   TS        0.98     WF        1.08     BR        0.99     KK        0.89     
!   KP        0.98     WZ        0.82     
! 
!  A total of 21 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   FD        1.00     GC        0.94     HH        1.00*    HN        0.93     
!   LA        1.06     MC        1.14     MK        1.00*    NY        0.93     
!   ON        1.00     OV        1.04     PT        0.96     SC        1.00*    
!   TS        1.00*    WF        1.12     BR        0.97     KK        1.00*    
!   KP        1.00     WZ        0.83     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.89     GC        0.99     HH        1.00*    HN        1.14     
!   LA        0.91     MC        1.26     MK        0.97     NY        1.00*    
!   ON        0.93     OV        1.00     PT        1.03     SC        1.00*    
!   TS        1.00*    WF        1.28     BR        1.00*    KK        1.00*    
!   KP        1.00*    WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.93     GC        1.01     HH        1.00*    HN        1.20     
!   LA        0.94     MC        1.25     MK        0.97     NY        1.01     
!   ON        1.00*    OV        1.03     PT        1.06     SC        1.00*    
!   TS        0.99     WF        1.33     BR        1.00     KK        0.92     
!   KP        1.00     WZ        0.81     
! 
!  Telescope amplitude corrections in sub-array 3:
!   FD        0.94     GC        1.00     HH        1.00*    HN        1.19     
!   LA        0.95     MC        1.30     MK        1.00*    NY        0.96     
!   ON        0.98     OV        1.04     PT        1.06     SC        1.00*    
!   TS        1.00*    WF        1.36     BR        0.98     KK        1.00*    
!   KP        1.01     WZ        0.83     
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.81     GC        1.10     HH        1.00*    HN        1.07     
!   LA        0.75     MC        1.00*    MK        0.95     NY        1.00*    
!   ON        0.99     OV        0.91     PT        1.03     SC        1.00*    
!   TS        1.00*    WF        1.27     BR        1.00*    KK        1.00*    
!   KP        1.00*    WZ        1.00*    
! 
!  A total of 18 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.82     GC        1.08     HH        1.00*    HN        1.09     
!   LA        0.75     MC        1.34     MK        0.95     NY        1.07     
!   ON        1.00*    OV        0.91     PT        1.03     SC        1.00*    
!   TS        1.00     WF        1.25     BR        0.96     KK        0.94     
!   KP        1.01     WZ        0.80     
! 
!  Telescope amplitude corrections in sub-array 3:
!   FD        0.83     GC        1.07     HH        1.00*    HN        1.07     
!   LA        0.77     MC        1.00*    MK        1.00*    NY        0.99     
!   ON        0.99     OV        0.90     PT        1.00     SC        1.00*    
!   TS        1.00*    WF        1.30     BR        0.94     KK        1.00*    
!   KP        1.01     WZ        0.81     
! 
! 
! Fit before self-cal, rms=0.350607Jy  sigma=0.004887
! Fit after  self-cal, rms=0.153536Jy  sigma=0.001809
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.566 mas, bmaj=3.781 mas, bpa=-21.31 degrees
! Estimated noise=387.811 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 = -0.00397227 Jy
! Component: 100  -  total flux cleaned = -0.00562026 Jy
! Total flux subtracted in 100 components = -0.00562026 Jy
! Clean residual min=-0.011887 max=0.009032 Jy/beam
! Clean residual mean=0.000038 rms=0.001995 Jy/beam
! Combined flux in latest and established models = 3.10545 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 55 components and 3.10545 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.150427Jy  sigma=0.001760
! Fit after  self-cal, rms=0.150306Jy  sigma=0.001758
! 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 = -0.00303597 Jy
! Component: 100  -  total flux cleaned = -0.00487464 Jy
! Total flux subtracted in 100 components = -0.00487464 Jy
! Clean residual min=-0.009690 max=0.009277 Jy/beam
! Clean residual mean=0.000032 rms=0.001885 Jy/beam
! Combined flux in latest and established models = 3.10058 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 61 components and 3.10058 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.149143Jy  sigma=0.001741
! Fit after  self-cal, rms=0.124787Jy  sigma=0.001390
! Inverting map and beam 
! Estimated beam: bmin=2.566 mas, bmaj=3.788 mas, bpa=-21.24 degrees
! Estimated noise=388.237 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 = -0.00946196 Jy
! Component: 100  -  total flux cleaned = -0.0097311 Jy
! Total flux subtracted in 100 components = -0.0097311 Jy
! Clean residual min=-0.006758 max=0.004134 Jy/beam
! Clean residual mean=0.000019 rms=0.000959 Jy/beam
! Combined flux in latest and established models = 3.09085 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 73 components and 3.09085 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.124020Jy  sigma=0.001372
! Fit after  self-cal, rms=0.123903Jy  sigma=0.001370
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0552+398_S
! Writing UV FITS file: 0552+398_S.uvf
! Writing 73 model components to file: 0552+398_S.mod
! wwins: Wrote 3 windows to 0552+398_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.566 x 3.788 at -21.24 degrees (North through East)
! Clean map  min=-0.0068831  max=2.734 Jy/beam
! Writing clean map to FITS file: 0552+398_S.fits
! Writing difmap environment to: 0552+398_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0552+398_S]
device 0552+398_Suv.ps/vps,1,2
! Attempting to open device: '0552+398_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0552+398_Sim.ps/vps
! Attempting to open device: '0552+398_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=2.566 mas, bmaj=3.788 mas, bpa=-21.24 degrees
! Estimated noise=388.237 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.566 x 3.788 at -21.24 degrees (North through East)
! Clean map  min=-0.0068831  max=2.734 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0552+398_S.log closed on Wed Dec 13 15:41:59 2006