! Started logfile: 1727+502_X.log on Wed Aug 13 15:03:35 2008
observe 1727+502_X.edt
! Reading UV FITS file: 1727+502_X.edt
! AN table 1: 112 integrations on 171 of 171 possible baselines.
! AN table 2: 105 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.236451 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1727+502
! 
! 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 1526 lines of history.
! 
! Reading 35096 visibilities.
![@gonzo6-0.1 1727+502_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 = 6.0
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 1001 telescope corrections were flagged in sub-array 1.
!  A total of 1139 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 1042 telescope corrections were flagged in sub-array 1.
!  A total of 1139 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 1001 telescope corrections were flagged in sub-array 1.
!  A total of 1167 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 1042 telescope corrections were flagged in sub-array 1.
!  A total of 1297 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.944880Jy  sigma=21.280801
! Fit after  self-cal, rms=0.944485Jy  sigma=21.212524
! 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=0.5478 mas, bmaj=0.83 mas, bpa=-6.571 degrees
! Estimated noise=0.512898 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 = 0.0426392 Jy
! Total flux subtracted in 50 components = 0.0426392 Jy
! Clean residual min=-0.003869 max=0.011903 Jy/beam
! Clean residual mean=0.000009 rms=0.001069 Jy/beam
! Combined flux in latest and established models = 0.0426392 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 0.0426392 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.082323Jy  sigma=1.450786
! Fit after  self-cal, rms=0.082330Jy  sigma=1.451015
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00960024 Jy
! Total flux subtracted in 50 components = 0.00960024 Jy
! Clean residual min=-0.003710 max=0.006284 Jy/beam
! Clean residual mean=0.000006 rms=0.000964 Jy/beam
! Combined flux in latest and established models = 0.0522395 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 5 components and 0.0522395 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.080998Jy  sigma=1.405906
! Fit after  self-cal, rms=0.081002Jy  sigma=1.405953
! Inverting map 
! Added new window around map position (-1.7, -0.4).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00576128 Jy
! Total flux subtracted in 50 components = 0.00576128 Jy
! Clean residual min=-0.003702 max=0.005052 Jy/beam
! Clean residual mean=0.000004 rms=0.000920 Jy/beam
! Combined flux in latest and established models = 0.0580007 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 9 components and 0.0580007 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.080495Jy  sigma=1.384734
! Fit after  self-cal, rms=0.080457Jy  sigma=1.383978
! 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=0.8093 mas, bmaj=1.164 mas, bpa=-8.2 degrees
! Estimated noise=0.216053 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 (-1, 0.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00995638 Jy
! Component: 100  -  total flux cleaned = 0.0159901 Jy
! Total flux subtracted in 100 components = 0.0159901 Jy
! Clean residual min=-0.002507 max=0.005033 Jy/beam
! Clean residual mean=-0.000064 rms=0.000913 Jy/beam
! Combined flux in latest and established models = 0.0739908 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 36 model components to the UV plane model.
! The established model now contains 43 components and 0.0739908 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.079481Jy  sigma=1.347823
! Fit after  self-cal, rms=0.079416Jy  sigma=1.346255
! Inverting map 
! Added new window around map position (-4, 2.7).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00586819 Jy
! Component: 100  -  total flux cleaned = 0.0100161 Jy
! Total flux subtracted in 100 components = 0.0100161 Jy
! Clean residual min=-0.002149 max=0.003378 Jy/beam
! Clean residual mean=-0.000049 rms=0.000672 Jy/beam
! Combined flux in latest and established models = 0.0840069 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 37 model components to the UV plane model.
! The established model now contains 72 components and 0.0840069 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.079016Jy  sigma=1.333025
! Fit after  self-cal, rms=0.078970Jy  sigma=1.331943
! 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        0.93     FD        0.90     GC        1.71     HH        1.00*    
!   HN        1.16     KK        1.00*    KP        1.13     LA        0.90     
!   MA        1.00*    MK        1.08     NL        0.95     NY        1.00*    
!   OV        1.05     PT        0.83     SC        1.08     TS        1.00*    
!   WF        1.00*    WZ        0.90     GG        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        0.84     GC        0.86     HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        1.03     LA        0.76     
!   MA        1.00*    MK        0.72     NL        0.99     NY        1.00*    
!   OV        0.82     PT        0.85     SC        1.00*    TS        1.00*    
!   WF        1.00*    WZ        0.85     GG        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.97     FD        0.99     GC        2.69     HH        1.00*    
!   HN        1.02     KK        1.00*    KP        0.89     LA        0.84     
!   MA        1.00*    MK        1.00     NL        0.94     NY        1.00*    
!   OV        1.04     PT        1.04     SC        0.88     TS        1.00*    
!   WF        1.00*    WZ        0.91     GG        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.95     FD        0.87     GC        0.90     HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.88     LA        0.85     
!   MA        1.00*    MK        0.80     NL        0.89     NY        1.00*    
!   OV        0.95     PT        1.10     SC        1.00*    TS        1.00*    
!   WF        1.00*    WZ        0.90     GG        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.00     GC        1.65     HH        1.00*    
!   HN        0.86     KK        1.00*    KP        0.83     LA        0.86     
!   MA        1.00*    MK        0.91     NL        1.03     NY        1.00*    
!   OV        0.94     PT        0.94     SC        0.84     TS        1.00*    
!   WF        1.00*    WZ        0.95     GG        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.95     FD        0.85     GC        0.83     HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.89     LA        1.03     
!   MA        1.00*    MK        0.66     NL        1.02     NY        1.00*    
!   OV        0.93     PT        0.94     SC        1.00*    TS        1.00*    
!   WF        1.00*    WZ        0.56     GG        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.93     FD        0.97     GC        1.89     HH        1.00*    
!   HN        0.78     KK        1.00*    KP        0.89     LA        1.00     
!   MA        1.00*    MK        0.99     NL        0.99     NY        1.00*    
!   OV        1.05     PT        1.03     SC        0.78     TS        1.00*    
!   WF        1.00*    WZ        0.93     GG        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.87     FD        0.91     GC        0.82     HH        1.00*    
!   HN        1.00*    KK        1.00*    KP        0.79     LA        1.14     
!   MA        1.00*    MK        1.00*    NL        0.89     NY        1.00*    
!   OV        1.02     PT        1.01     SC        1.00*    TS        1.00*    
!   WF        1.00*    WZ        0.87     GG        1.00*    
! 
! 
! Fit before self-cal, rms=0.078970Jy  sigma=1.331943
! Fit after  self-cal, rms=0.078868Jy  sigma=1.285739
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7856 mas, bmaj=1.224 mas, bpa=-6.581 degrees
! Estimated noise=0.199784 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 = -0.000584239 Jy
! Component: 100  -  total flux cleaned = 1.44408e-05 Jy
! Total flux subtracted in 100 components = 1.44408e-05 Jy
! Clean residual min=-0.001957 max=0.002437 Jy/beam
! Clean residual mean=-0.000018 rms=0.000462 Jy/beam
! Combined flux in latest and established models = 0.0840214 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 94 components and 0.0840214 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078581Jy  sigma=1.284697
! Fit after  self-cal, rms=0.078582Jy  sigma=1.283956
! Inverting map 
! Added new window around map position (-6.8, 2.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00203191 Jy
! Component: 100  -  total flux cleaned = 0.00250971 Jy
! Total flux subtracted in 100 components = 0.00250971 Jy
! Clean residual min=-0.001687 max=0.001728 Jy/beam
! Clean residual mean=-0.000015 rms=0.000407 Jy/beam
! Combined flux in latest and established models = 0.0865311 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 21 model components to the UV plane model.
! The established model now contains 107 components and 0.0865311 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078411Jy  sigma=1.282786
! Fit after  self-cal, rms=0.078409Jy  sigma=1.282526
! 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 (-1.3, -6.3).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00137085 Jy
! Component: 100  -  total flux cleaned = 0.00189273 Jy
! Total flux subtracted in 100 components = 0.00189274 Jy
! Clean residual min=-0.001521 max=0.001512 Jy/beam
! Clean residual mean=-0.000010 rms=0.000374 Jy/beam
! Combined flux in latest and established models = 0.0884238 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 31 model components to the UV plane model.
! The established model now contains 123 components and 0.0884238 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078302Jy  sigma=1.282010
! Fit after  self-cal, rms=0.090925Jy  sigma=1.227062
! Inverting map and beam 
! Estimated beam: bmin=0.7902 mas, bmaj=1.262 mas, bpa=-7.274 degrees
! Estimated noise=0.20219 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 = -0.000536589 Jy
! Component: 100  -  total flux cleaned = -0.000172296 Jy
! Total flux subtracted in 100 components = -0.000172296 Jy
! Clean residual min=-0.001497 max=0.001697 Jy/beam
! Clean residual mean=-0.000013 rms=0.000356 Jy/beam
! Combined flux in latest and established models = 0.0882515 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 134 components and 0.0882516 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.090758Jy  sigma=1.226708
! Fit after  self-cal, rms=0.090769Jy  sigma=1.226231
! Inverting map 
! Added new window around map position (3.6, 3).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000716522 Jy
! Component: 100  -  total flux cleaned = 0.0010521 Jy
! Total flux subtracted in 100 components = 0.0010521 Jy
! Clean residual min=-0.001360 max=0.001579 Jy/beam
! Clean residual mean=-0.000011 rms=0.000339 Jy/beam
! Combined flux in latest and established models = 0.0893037 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 144 components and 0.0893037 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.090647Jy  sigma=1.225578
! Fit after  self-cal, rms=0.090661Jy  sigma=1.225498
! Inverting map 
! Added new window around map position (-4.7, 6.1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0011219 Jy
! Component: 100  -  total flux cleaned = 0.00155088 Jy
! Total flux subtracted in 100 components = 0.00155088 Jy
! Clean residual min=-0.001255 max=0.001271 Jy/beam
! Clean residual mean=-0.000007 rms=0.000315 Jy/beam
! Combined flux in latest and established models = 0.0908545 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 152 components and 0.0908545 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.090562Jy  sigma=1.224884
! Fit after  self-cal, rms=0.090570Jy  sigma=1.224839
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1727+502_X
! Writing UV FITS file: 1727+502_X.uvf
! Writing 152 model components to file: 1727+502_X.mod
! wwins: Wrote 8 windows to 1727+502_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7902 x 1.262 at -7.274 degrees (North through East)
! Clean map  min=-0.0014315  max=0.053155 Jy/beam
! Writing clean map to FITS file: 1727+502_X.fits
! Writing difmap environment to: 1727+502_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1727+502_X]
device 1727+502_Xuv.ps/vps,1,2
! Attempting to open device: '1727+502_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1727+502_Xim.ps/vps
! Attempting to open device: '1727+502_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=0.7902 mas, bmaj=1.262 mas, bpa=-7.274 degrees
! Estimated noise=0.20219 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7902 x 1.262 at -7.274 degrees (North through East)
! Clean map  min=-0.0014315  max=0.053155 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.1]
quit
! Quitting program
! Log file 1727+502_X.log closed on Wed Aug 13 15:03:50 2008