! Started logfile: 1639+230_X.log on Wed Jul  9 13:27:50 2008
observe 1639+230_X.edt
! Reading UV FITS file: 1639+230_X.edt
! AN table 1: 56 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.162594 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1639+230
! 
! 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 1472 lines of history.
! 
! Reading 6920 visibilities.
![@gonzo7-0.1 1639+230_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 814 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 814 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 813 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 813 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.748739Jy  sigma=14.560978
! Fit after  self-cal, rms=0.748661Jy  sigma=14.560345
! 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=0.5549 mas, bmaj=0.9657 mas, bpa=7.87 degrees
! Estimated noise=1.21658 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 = 0.192443 Jy
! Total flux subtracted in 50 components = 0.192443 Jy
! Clean residual min=-0.019297 max=0.053675 Jy/beam
! Clean residual mean=-0.000023 rms=0.006211 Jy/beam
! Combined flux in latest and established models = 0.192443 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 0.192443 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.152353Jy  sigma=1.961374
! Fit after  self-cal, rms=0.152352Jy  sigma=1.961369
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0535505 Jy
! Total flux subtracted in 50 components = 0.0535505 Jy
! Clean residual min=-0.018958 max=0.026490 Jy/beam
! Clean residual mean=0.000009 rms=0.004721 Jy/beam
! Combined flux in latest and established models = 0.245994 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 0.245994 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.134212Jy  sigma=1.647606
! Fit after  self-cal, rms=0.134207Jy  sigma=1.647561
! 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=0.7769 mas, bmaj=1.376 mas, bpa=18.76 degrees
! Estimated noise=0.638512 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 = 0.0171554 Jy
! Component: 100  -  total flux cleaned = 0.0202631 Jy
! Total flux subtracted in 100 components = 0.0202631 Jy
! Clean residual min=-0.023379 max=0.013031 Jy/beam
! Clean residual mean=0.000062 rms=0.004534 Jy/beam
! Combined flux in latest and established models = 0.266257 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 10 components and 0.266257 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.130124Jy  sigma=1.634219
! Fit after  self-cal, rms=0.130097Jy  sigma=1.634057
! 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 33 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.65     FD        1.14     GC        1.01     HH        1.00*    
!   HN        1.00*    KK        0.94     KP        1.12     LA        1.14     
!   MA        1.00*    MC        1.00*    MK        1.01     NL        1.07     
!   NY        1.13     ON        1.00*    OV        1.05     PT        0.98     
!   SC        1.00*    TS        0.89     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 33 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.54     FD        1.13     GC        1.02     HH        1.00*    
!   HN        1.00*    KK        1.17     KP        1.03     LA        0.94     
!   MA        1.00*    MC        1.00*    MK        0.85     NL        1.16     
!   NY        1.05     ON        1.00*    OV        0.98     PT        1.05     
!   SC        1.00*    TS        0.92     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 33 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.50     FD        1.08     GC        0.90     HH        1.00*    
!   HN        1.00*    KK        1.03     KP        0.97     LA        1.11     
!   MA        1.00*    MC        1.00*    MK        0.88     NL        1.11     
!   NY        1.36     ON        1.00*    OV        1.02     PT        1.02     
!   SC        1.00*    TS        0.88     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 33 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.54     FD        1.06     GC        1.07     HH        1.00*    
!   HN        1.00*    KK        0.98     KP        1.08     LA        1.11     
!   MA        1.00*    MC        1.00*    MK        0.93     NL        1.12     
!   NY        0.81     ON        1.00*    OV        1.00     PT        1.04     
!   SC        1.00*    TS        0.92     WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.130097Jy  sigma=1.634057
! Fit after  self-cal, rms=0.086629Jy  sigma=1.232923
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7977 mas, bmaj=1.352 mas, bpa=16.87 degrees
! Estimated noise=0.636888 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 = -0.000887701 Jy
! Component: 100  -  total flux cleaned = -0.00084652 Jy
! Total flux subtracted in 100 components = -0.00084652 Jy
! Clean residual min=-0.003197 max=0.003529 Jy/beam
! Clean residual mean=0.000011 rms=0.000855 Jy/beam
! Combined flux in latest and established models = 0.26541 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 18 components and 0.26541 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.086558Jy  sigma=1.232794
! Fit after  self-cal, rms=0.086548Jy  sigma=1.232146
! 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 = 8.31625e-05 Jy
! Component: 100  -  total flux cleaned = 0.000151892 Jy
! Total flux subtracted in 100 components = 0.000151892 Jy
! Clean residual min=-0.003222 max=0.003367 Jy/beam
! Clean residual mean=0.000011 rms=0.000844 Jy/beam
! Combined flux in latest and established models = 0.265562 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 22 components and 0.265562 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.086525Jy  sigma=1.232099
! Fit after  self-cal, rms=0.087684Jy  sigma=1.190878
! Inverting map and beam 
! Estimated beam: bmin=0.8004 mas, bmaj=1.352 mas, bpa=16.79 degrees
! Estimated noise=0.636826 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 = -0.000320107 Jy
! Component: 100  -  total flux cleaned = -0.000377939 Jy
! Total flux subtracted in 100 components = -0.000377939 Jy
! Clean residual min=-0.003258 max=0.003426 Jy/beam
! Clean residual mean=0.000016 rms=0.000820 Jy/beam
! Combined flux in latest and established models = 0.265184 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 27 components and 0.265184 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.087667Jy  sigma=1.190818
! Fit after  self-cal, rms=0.087675Jy  sigma=1.190721
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1639+230_X
! Writing UV FITS file: 1639+230_X.uvf
! Writing 27 model components to file: 1639+230_X.mod
! wwins: Wrote 1 windows to 1639+230_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8004 x 1.352 at 16.79 degrees (North through East)
! Clean map  min=-0.0031662  max=0.24456 Jy/beam
! Writing clean map to FITS file: 1639+230_X.fits
! Writing difmap environment to: 1639+230_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1639+230_X]
device 1639+230_Xuv.ps/vps,1,2
! Attempting to open device: '1639+230_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1639+230_Xim.ps/vps
! Attempting to open device: '1639+230_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=0.8004 mas, bmaj=1.352 mas, bpa=16.79 degrees
! Estimated noise=0.636826 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8004 x 1.352 at 16.79 degrees (North through East)
! Clean map  min=-0.0031662  max=0.24456 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.1]
quit
! Quitting program
! Log file 1639+230_X.log closed on Wed Jul  9 13:27:58 2008