! Started logfile: 1531-352_X.log on Thu Apr 17 14:03:42 2008
observe 1531-352_X.edt
! Reading UV FITS file: 1531-352_X.edt
! AN table 1: 73 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.250705 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1531-352
! 
! 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 1142 lines of history.
! 
! Reading 9956 visibilities.
![@gonzo7-0.1 1531-352_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 602 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 602 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 602 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 602 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.340788Jy  sigma=0.003494
! Fit after  self-cal, rms=0.340775Jy  sigma=0.003494
! 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=0.6036 mas, bmaj=1.552 mas, bpa=-6.008 degrees
! Estimated noise=1487.88 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 = 0.523821 Jy
! Total flux subtracted in 50 components = 0.523821 Jy
! Clean residual min=-0.044874 max=0.146129 Jy/beam
! Clean residual mean=-0.000077 rms=0.013996 Jy/beam
! Combined flux in latest and established models = 0.523821 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 0.523821 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.298768Jy  sigma=0.002970
! Fit after  self-cal, rms=0.298768Jy  sigma=0.002970
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.136794 Jy
! Total flux subtracted in 50 components = 0.136794 Jy
! Clean residual min=-0.038199 max=0.056265 Jy/beam
! Clean residual mean=0.000005 rms=0.008953 Jy/beam
! Combined flux in latest and established models = 0.660614 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 11 components and 0.660614 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.220722Jy  sigma=0.002068
! Fit after  self-cal, rms=0.220710Jy  sigma=0.002068
! 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=0.8228 mas, bmaj=2.113 mas, bpa=-3.758 degrees
! Estimated noise=687.537 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 = 0.0859342 Jy
! Component: 100  -  total flux cleaned = 0.120707 Jy
! Total flux subtracted in 100 components = 0.120707 Jy
! Clean residual min=-0.043156 max=0.032760 Jy/beam
! Clean residual mean=0.000266 rms=0.009209 Jy/beam
! Combined flux in latest and established models = 0.781321 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 27 model components to the UV plane model.
! The established model now contains 34 components and 0.781321 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.188863Jy  sigma=0.001719
! Fit after  self-cal, rms=0.188855Jy  sigma=0.001719
! 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:
!   BR        1.07     FD        0.71     HN        1.27     KB        1.00*    
!   KK        1.00*    KP        1.00     LA        1.02     MK        0.97     
!   NL        1.08     NY        1.00*    OV        1.03     PT        1.05     
!   SC        1.00     TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        0.71     HN        1.25     KB        1.00*    
!   KK        1.00*    KP        1.00     LA        1.02     MK        0.97     
!   NL        1.09     NY        1.00*    OV        1.03     PT        1.03     
!   SC        1.00     TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.08     FD        0.72     HN        1.25     KB        1.00*    
!   KK        1.00*    KP        1.01     LA        1.03     MK        0.99     
!   NL        1.08     NY        1.00*    OV        1.03     PT        1.04     
!   SC        1.01     TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.06     FD        0.72     HN        1.24     KB        1.00*    
!   KK        1.00*    KP        1.00     LA        1.00     MK        1.02     
!   NL        1.09     NY        1.00*    OV        0.99     PT        1.02     
!   SC        1.01     TS        1.00*    WF        1.00*    WZ        1.00*    
!   ZC        1.00*    
! 
! 
! Fit before self-cal, rms=0.188855Jy  sigma=0.001719
! Fit after  self-cal, rms=0.128657Jy  sigma=0.001151
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.8312 mas, bmaj=2.13 mas, bpa=-3.711 degrees
! Estimated noise=674.672 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 = 9.62284e-05 Jy
! Component: 100  -  total flux cleaned = -0.000277187 Jy
! Total flux subtracted in 100 components = -0.000277187 Jy
! Clean residual min=-0.011437 max=0.011274 Jy/beam
! Clean residual mean=-0.000008 rms=0.002388 Jy/beam
! Combined flux in latest and established models = 0.781044 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 39 components and 0.781044 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.128527Jy  sigma=0.001149
! Fit after  self-cal, rms=0.128548Jy  sigma=0.001149
! 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 = -6.48746e-05 Jy
! Component: 100  -  total flux cleaned = -0.000442865 Jy
! Total flux subtracted in 100 components = -0.000442865 Jy
! Clean residual min=-0.011277 max=0.011216 Jy/beam
! Clean residual mean=-0.000008 rms=0.002371 Jy/beam
! Combined flux in latest and established models = 0.780601 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 41 components and 0.780601 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.128481Jy  sigma=0.001148
! Fit after  self-cal, rms=0.125179Jy  sigma=0.001086
! Inverting map and beam 
! Estimated beam: bmin=0.8325 mas, bmaj=2.149 mas, bpa=-3.632 degrees
! Estimated noise=676.753 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 = -0.00031682 Jy
! Component: 100  -  total flux cleaned = -0.000240586 Jy
! Total flux subtracted in 100 components = -0.000240586 Jy
! Clean residual min=-0.003793 max=0.003348 Jy/beam
! Clean residual mean=-0.000015 rms=0.000813 Jy/beam
! Combined flux in latest and established models = 0.780361 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 46 components and 0.780361 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.125126Jy  sigma=0.001086
! Fit after  self-cal, rms=0.125141Jy  sigma=0.001086
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1531-352_X
! Writing UV FITS file: 1531-352_X.uvf
! Writing 46 model components to file: 1531-352_X.mod
! wwins: Wrote 1 windows to 1531-352_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8325 x 2.149 at -3.632 degrees (North through East)
! Clean map  min=-0.003613  max=0.71277 Jy/beam
! Writing clean map to FITS file: 1531-352_X.fits
! Writing difmap environment to: 1531-352_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1531-352_X]
device 1531-352_Xuv.ps/vps,1,2
! Attempting to open device: '1531-352_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1531-352_Xim.ps/vps
! Attempting to open device: '1531-352_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=0.8325 mas, bmaj=2.149 mas, bpa=-3.632 degrees
! Estimated noise=676.753 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8325 x 2.149 at -3.632 degrees (North through East)
! Clean map  min=-0.003613  max=0.71277 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.1]
quit
! Quitting program
! Log file 1531-352_X.log closed on Thu Apr 17 14:03:57 2008