! Started logfile: 3C446_S.log on Fri Apr 27 21:57:29 2007
observe 3C446_S.edt
! Reading UV FITS file: 3C446_S.edt
! AN table 1: 16 integrations on 153 of 153 possible baselines.
! AN table 2: 49 integrations on 153 of 153 possible baselines.
! AN table 3: 10 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.138475 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 3C446
! 
! 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 6356 visibilities.
![@gonzo7-0.4 3C446_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 198 telescope corrections were flagged in sub-array 1.
!  A total of 525 telescope corrections were flagged in sub-array 2.
!  A total of 156 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 198 telescope corrections were flagged in sub-array 1.
!  A total of 527 telescope corrections were flagged in sub-array 2.
!  A total of 156 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 198 telescope corrections were flagged in sub-array 1.
!  A total of 525 telescope corrections were flagged in sub-array 2.
!  A total of 160 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 199 telescope corrections were flagged in sub-array 1.
!  A total of 525 telescope corrections were flagged in sub-array 2.
!  A total of 156 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=1.658422Jy  sigma=0.023853
! Fit after  self-cal, rms=1.658319Jy  sigma=0.023859
! 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=2.066 mas, bmaj=6.782 mas, bpa=0.9796 degrees
! Estimated noise=1297.17 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 = 1.85479 Jy
! Total flux subtracted in 50 components = 1.85479 Jy
! Clean residual min=-0.137992 max=0.517366 Jy/beam
! Clean residual mean=0.003234 rms=0.047973 Jy/beam
! Combined flux in latest and established models = 1.85479 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 1.85479 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.921074Jy  sigma=0.013193
! Fit after  self-cal, rms=0.921073Jy  sigma=0.013193
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.425205 Jy
! Total flux subtracted in 50 components = 0.425205 Jy
! Clean residual min=-0.099732 max=0.204256 Jy/beam
! Clean residual mean=0.002348 rms=0.029537 Jy/beam
! Combined flux in latest and established models = 2.27999 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 4 model components to the UV plane model.
! The established model now contains 4 components and 2.27999 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.662492Jy  sigma=0.009375
! Fit after  self-cal, rms=0.661035Jy  sigma=0.009362
! Inverting map 
! Added new window around map position (2.8, -1.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.211965 Jy
! Total flux subtracted in 50 components = 0.211965 Jy
! Clean residual min=-0.076467 max=0.156883 Jy/beam
! Clean residual mean=0.001920 rms=0.023266 Jy/beam
! Combined flux in latest and established models = 2.49196 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 11 components and 2.49196 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.560230Jy  sigma=0.007958
! Fit after  self-cal, rms=0.556632Jy  sigma=0.007907
! 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=3.404 mas, bmaj=6.951 mas, bpa=6.116 degrees
! Estimated noise=656.676 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 = 0.265021 Jy
! Component: 100  -  total flux cleaned = 0.407025 Jy
! Total flux subtracted in 100 components = 0.407025 Jy
! Clean residual min=-0.093670 max=0.167955 Jy/beam
! Clean residual mean=-0.001004 rms=0.046033 Jy/beam
! Combined flux in latest and established models = 2.89898 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 31 components and 2.89898 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.430188Jy  sigma=0.006162
! Fit after  self-cal, rms=0.428757Jy  sigma=0.006139
! 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        1.11     GC        1.01     HH        1.00*    HN        1.00*    
!   LA        1.09     MC        1.00*    MK        0.97     NY        1.00*    
!   ON        1.00*    OV        1.08     PT        0.94     SC        1.00*    
!   TS        1.06     WF        1.00*    BR        0.96     KK        1.00*    
!   KP        0.89     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   FD        1.14     GC        1.01     HH        1.00*    HN        1.00*    
!   LA        0.99     MC        1.00*    MK        0.98     NY        1.00*    
!   ON        1.00*    OV        1.16     PT        0.87     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        0.98     KK        1.00*    
!   KP        0.86     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   FD        1.14     GC        1.00*    HH        1.00*    HN        0.93     
!   LA        1.10     MC        1.00*    MK        1.00*    NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.07     SC        1.00*    
!   TS        1.00*    WF        1.03     BR        1.00*    KK        1.00*    
!   KP        0.95     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.96     GC        1.00     HH        1.00*    HN        1.00*    
!   LA        1.03     MC        1.00*    MK        1.08     NY        1.00*    
!   ON        1.00*    OV        1.10     PT        0.90     SC        1.00*    
!   TS        1.01     WF        1.00*    BR        1.03     KK        1.00*    
!   KP        0.90     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.99     GC        0.98     HH        1.00*    HN        1.00*    
!   LA        0.96     MC        1.00*    MK        1.08     NY        1.00*    
!   ON        1.00*    OV        1.19     PT        0.86     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.05     KK        1.00*    
!   KP        0.89     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   FD        1.00     GC        1.00*    HH        1.00*    HN        0.94     
!   LA        1.08     MC        1.00*    MK        1.00*    NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.06     SC        1.00*    
!   TS        1.00*    WF        1.02     BR        1.00*    KK        1.00*    
!   KP        1.02     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.90     GC        1.02     HH        1.00*    HN        1.00*    
!   LA        0.91     MC        1.00*    MK        1.04     NY        1.00*    
!   ON        1.00*    OV        1.06     PT        0.98     SC        1.00*    
!   TS        0.98     WF        1.00*    BR        1.04     KK        1.00*    
!   KP        0.92     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.97     GC        1.02     HH        1.00*    HN        1.00*    
!   LA        0.87     MC        1.00*    MK        1.03     NY        1.00*    
!   ON        1.00*    OV        1.17     PT        0.96     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.07     KK        1.00*    
!   KP        0.93     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   FD        0.94     GC        1.00*    HH        1.00*    HN        1.23     
!   LA        0.94     MC        1.00*    MK        1.00*    NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.20     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.00*    KK        1.00*    
!   KP        1.00     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.82     GC        1.13     HH        1.00*    HN        1.00*    
!   LA        0.80     MC        1.00*    MK        1.01     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        1.00     SC        1.00*    
!   TS        1.02     WF        1.00*    BR        1.00     KK        1.00*    
!   KP        0.95     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.83     GC        1.08     HH        1.00*    HN        1.00*    
!   LA        0.78     MC        1.00*    MK        0.98     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.97     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.00     KK        1.00*    
!   KP        0.95     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   FD        0.80     GC        1.00*    HH        1.00*    HN        1.09     
!   LA        0.74     MC        1.00*    MK        1.00*    NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        1.09     SC        1.00*    
!   TS        1.00*    WF        1.33     BR        1.00*    KK        1.00*    
!   KP        1.03     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.428757Jy  sigma=0.006139
! Fit after  self-cal, rms=0.271160Jy  sigma=0.003944
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.415 mas, bmaj=7.048 mas, bpa=6.233 degrees
! Estimated noise=638.04 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 = 0.0416744 Jy
! Component: 100  -  total flux cleaned = 0.0453749 Jy
! Total flux subtracted in 100 components = 0.0453749 Jy
! Clean residual min=-0.048516 max=0.145214 Jy/beam
! Clean residual mean=-0.000489 rms=0.025077 Jy/beam
! Combined flux in latest and established models = 2.94436 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 37 components and 2.94436 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.263787Jy  sigma=0.003807
! Fit after  self-cal, rms=0.263349Jy  sigma=0.003787
! 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)
! Added new window around map position (17.6, -14).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.11647 Jy
! Component: 100  -  total flux cleaned = 0.16702 Jy
! Total flux subtracted in 100 components = 0.16702 Jy
! Clean residual min=-0.048662 max=0.064308 Jy/beam
! Clean residual mean=-0.000339 rms=0.015824 Jy/beam
! Combined flux in latest and established models = 3.11138 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 28 model components to the UV plane model.
! The established model now contains 65 components and 3.11138 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.214382Jy  sigma=0.003027
! Fit after  self-cal, rms=0.197298Jy  sigma=0.002752
! Inverting map and beam 
! Estimated beam: bmin=3.414 mas, bmaj=7.049 mas, bpa=6.194 degrees
! Estimated noise=635.058 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 = 0.0466758 Jy
! Component: 100  -  total flux cleaned = 0.0710052 Jy
! Total flux subtracted in 100 components = 0.0710052 Jy
! Clean residual min=-0.040408 max=0.052881 Jy/beam
! Clean residual mean=-0.000169 rms=0.012926 Jy/beam
! Combined flux in latest and established models = 3.18238 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 83 components and 3.18238 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.186518Jy  sigma=0.002580
! Fit after  self-cal, rms=0.185560Jy  sigma=0.002569
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 3C446_S
! Writing UV FITS file: 3C446_S.uvf
! Writing 83 model components to file: 3C446_S.mod
! wwins: Wrote 3 windows to 3C446_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.414 x 7.049 at 6.194 degrees (North through East)
! Clean map  min=-0.037991  max=2.4462 Jy/beam
! Writing clean map to FITS file: 3C446_S.fits
! Writing difmap environment to: 3C446_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 3C446_S]
device 3C446_Suv.ps/vps,1,2
! Attempting to open device: '3C446_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 3C446_Sim.ps/vps
! Attempting to open device: '3C446_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=3.414 mas, bmaj=7.049 mas, bpa=6.194 degrees
! Estimated noise=635.058 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.414 x 7.049 at 6.194 degrees (North through East)
! Clean map  min=-0.037991  max=2.4462 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 3C446_S.log closed on Fri Apr 27 21:57:48 2007