! Started logfile: 1739+522_X.log on Wed May 14 14:10:03 2008
observe 1739+522_X.edt
! Reading UV FITS file: 1739+522_X.edt
! AN table 1: 113 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.26861 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1739+522
! 
! 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 946 lines of history.
! 
! Reading 18576 visibilities.
![@gonzo7-0.1 1739+522_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 = 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 0.100x0.100 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 1631 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1540 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1571 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1598 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.580301Jy  sigma=0.007470
! Fit after  self-cal, rms=0.579676Jy  sigma=0.007480
! 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=0.5401 mas, bmaj=0.7117 mas, bpa=-25.53 degrees
! Estimated noise=1188.1 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 = 0.308391 Jy
! Total flux subtracted in 50 components = 0.308391 Jy
! Clean residual min=-0.016262 max=0.095273 Jy/beam
! Clean residual mean=0.000038 rms=0.005121 Jy/beam
! Combined flux in latest and established models = 0.308391 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 0.308391 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.220195Jy  sigma=0.003121
! Fit after  self-cal, rms=0.220187Jy  sigma=0.003121
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.110949 Jy
! Total flux subtracted in 50 components = 0.110949 Jy
! Clean residual min=-0.011804 max=0.057673 Jy/beam
! Clean residual mean=0.000028 rms=0.003440 Jy/beam
! Combined flux in latest and established models = 0.41934 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 20 components and 0.41934 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.154752Jy  sigma=0.002159
! Fit after  self-cal, rms=0.154721Jy  sigma=0.002159
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0703364 Jy
! Total flux subtracted in 50 components = 0.0703364 Jy
! Clean residual min=-0.009173 max=0.037485 Jy/beam
! Clean residual mean=0.000021 rms=0.002462 Jy/beam
! Combined flux in latest and established models = 0.489676 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 25 components and 0.489676 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.118171Jy  sigma=0.001603
! Fit after  self-cal, rms=0.118129Jy  sigma=0.001603
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0463607 Jy
! Total flux subtracted in 50 components = 0.0463607 Jy
! Clean residual min=-0.007532 max=0.025399 Jy/beam
! Clean residual mean=0.000016 rms=0.001887 Jy/beam
! Combined flux in latest and established models = 0.536037 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 31 components and 0.536037 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.097896Jy  sigma=0.001282
! Fit after  self-cal, rms=0.097851Jy  sigma=0.001282
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0319686 Jy
! Total flux subtracted in 50 components = 0.0319686 Jy
! Clean residual min=-0.006333 max=0.017636 Jy/beam
! Clean residual mean=0.000013 rms=0.001542 Jy/beam
! Combined flux in latest and established models = 0.568005 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 39 components and 0.568005 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.086666Jy  sigma=0.001097
! Fit after  self-cal, rms=0.086637Jy  sigma=0.001097
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0225498 Jy
! Total flux subtracted in 50 components = 0.0225498 Jy
! Clean residual min=-0.005556 max=0.012556 Jy/beam
! Clean residual mean=0.000011 rms=0.001339 Jy/beam
! Combined flux in latest and established models = 0.590555 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 40 components and 0.590555 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.080531Jy  sigma=0.000992
! Fit after  self-cal, rms=0.080504Jy  sigma=0.000992
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.016049 Jy
! Total flux subtracted in 50 components = 0.016049 Jy
! Clean residual min=-0.005040 max=0.008992 Jy/beam
! Clean residual mean=0.000009 rms=0.001222 Jy/beam
! Combined flux in latest and established models = 0.606604 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 44 components and 0.606604 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.077248Jy  sigma=0.000933
! Fit after  self-cal, rms=0.077228Jy  sigma=0.000933
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0115872 Jy
! Total flux subtracted in 50 components = 0.0115872 Jy
! Clean residual min=-0.004681 max=0.006532 Jy/beam
! Clean residual mean=0.000008 rms=0.001157 Jy/beam
! Combined flux in latest and established models = 0.618191 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 46 components and 0.618191 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.075505Jy  sigma=0.000901
! Fit after  self-cal, rms=0.075490Jy  sigma=0.000901
! 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=0.6322 mas, bmaj=0.8421 mas, bpa=-27.55 degrees
! Estimated noise=814.598 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 = 0.0130051 Jy
! Component: 100  -  total flux cleaned = 0.0206238 Jy
! Total flux subtracted in 100 components = 0.0206238 Jy
! Clean residual min=-0.004016 max=0.004836 Jy/beam
! Clean residual mean=0.000061 rms=0.000866 Jy/beam
! Combined flux in latest and established models = 0.638815 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 55 components and 0.638815 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.073729Jy  sigma=0.000867
! Fit after  self-cal, rms=0.073693Jy  sigma=0.000866
! 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 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.99     GC        1.00     HH        1.00*    
!   HN        1.00     KK        1.01     KP        1.00     LA        1.00     
!   MC        1.00     MK        1.00     NL        0.99     NY        1.00     
!   ON        0.98     OV        1.00     PT        1.00     SC        1.00     
!   WF        1.00     WZ        1.00     
! 
! 
! Correcting IF 2.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.99     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        0.99     NY        1.01     
!   ON        0.99     OV        0.99     PT        1.00     SC        1.01     
!   WF        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:
!   BR        0.99     FD        0.99     GC        1.00     HH        1.00*    
!   HN        0.99     KK        0.99     KP        1.00     LA        0.99     
!   MC        1.01     MK        1.00     NL        1.00     NY        1.00     
!   ON        0.98     OV        0.99     PT        0.99     SC        1.00     
!   WF        1.00     WZ        0.99     
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.98     GC        1.00     HH        1.00*    
!   HN        1.00     KK        1.00     KP        1.00     LA        0.99     
!   MC        1.00     MK        1.00     NL        1.00     NY        1.00     
!   ON        0.98     OV        0.99     PT        1.00     SC        1.02     
!   WF        1.03     WZ        1.00     
! 
! 
! Fit before self-cal, rms=0.073693Jy  sigma=0.000866
! Fit after  self-cal, rms=0.073133Jy  sigma=0.000864
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6338 mas, bmaj=0.8431 mas, bpa=-27.11 degrees
! Estimated noise=810.839 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 = 0.0017701 Jy
! Component: 100  -  total flux cleaned = 0.00250684 Jy
! Total flux subtracted in 100 components = 0.00250684 Jy
! Clean residual min=-0.003632 max=0.004251 Jy/beam
! Clean residual mean=0.000060 rms=0.000794 Jy/beam
! Combined flux in latest and established models = 0.641321 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 56 components and 0.641321 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.073049Jy  sigma=0.000862
! Fit after  self-cal, rms=0.073034Jy  sigma=0.000862
! 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 (-0.1, 2.1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00420859 Jy
! Component: 100  -  total flux cleaned = 0.00638296 Jy
! Total flux subtracted in 100 components = 0.00638296 Jy
! Clean residual min=-0.003490 max=0.003101 Jy/beam
! Clean residual mean=0.000051 rms=0.000746 Jy/beam
! Combined flux in latest and established models = 0.647704 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 67 components and 0.647704 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.072820Jy  sigma=0.000858
! Fit after  self-cal, rms=0.072213Jy  sigma=0.000848
! Inverting map and beam 
! Estimated beam: bmin=0.633 mas, bmaj=0.8445 mas, bpa=-26.71 degrees
! Estimated noise=812.43 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 = 0.00260475 Jy
! Component: 100  -  total flux cleaned = 0.00422905 Jy
! Total flux subtracted in 100 components = 0.00422905 Jy
! Clean residual min=-0.003386 max=0.002997 Jy/beam
! Clean residual mean=0.000029 rms=0.000709 Jy/beam
! Combined flux in latest and established models = 0.651933 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 76 components and 0.651933 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.072133Jy  sigma=0.000846
! Fit after  self-cal, rms=0.072118Jy  sigma=0.000846
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1739+522_X
! Writing UV FITS file: 1739+522_X.uvf
! Writing 76 model components to file: 1739+522_X.mod
! wwins: Wrote 2 windows to 1739+522_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.633 x 0.8445 at -26.71 degrees (North through East)
! Clean map  min=-0.0031667  max=0.4337 Jy/beam
! Writing clean map to FITS file: 1739+522_X.fits
! Writing difmap environment to: 1739+522_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1739+522_X]
device 1739+522_Xuv.ps/vps,1,2
! Attempting to open device: '1739+522_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1739+522_Xim.ps/vps
! Attempting to open device: '1739+522_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=0.633 mas, bmaj=0.8445 mas, bpa=-26.71 degrees
! Estimated noise=812.43 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.633 x 0.8445 at -26.71 degrees (North through East)
! Clean map  min=-0.0031667  max=0.4337 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.1]
quit
! Quitting program
! Log file 1739+522_X.log closed on Wed May 14 14:10:15 2008