! Started logfile: 0039+230_X.log on Tue Feb 12 19:16:02 2008
observe 0039+230_X.edt
! Reading UV FITS file: 0039+230_X.edt
! AN table 1: 126 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.407038 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0039+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 1238 lines of history.
! 
! Reading 27900 visibilities.
![@gonzo8-0.1 0039+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 = 8.0
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 1589 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1583 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1611 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1649 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.695117Jy  sigma=0.017071
! Fit after  self-cal, rms=0.693734Jy  sigma=0.017206
! 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=0.5269 mas, bmaj=1.393 mas, bpa=-3.394 degrees
! Estimated noise=1685.22 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 = 0.19876 Jy
! Total flux subtracted in 50 components = 0.19876 Jy
! Clean residual min=-0.018780 max=0.061216 Jy/beam
! Clean residual mean=0.000044 rms=0.006773 Jy/beam
! Combined flux in latest and established models = 0.19876 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 0.19876 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.136217Jy  sigma=0.003829
! Fit after  self-cal, rms=0.136215Jy  sigma=0.003829
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0657758 Jy
! Total flux subtracted in 50 components = 0.0657758 Jy
! Clean residual min=-0.011566 max=0.029788 Jy/beam
! Clean residual mean=0.000025 rms=0.004187 Jy/beam
! Combined flux in latest and established models = 0.264536 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 12 components and 0.264536 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.088242Jy  sigma=0.002437
! Fit after  self-cal, rms=0.088235Jy  sigma=0.002437
! 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=0.8891 mas, bmaj=2.143 mas, bpa=-6.682 degrees
! Estimated noise=438.023 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 = 0.0637266 Jy
! Component: 100  -  total flux cleaned = 0.0885902 Jy
! Total flux subtracted in 100 components = 0.0885902 Jy
! Clean residual min=-0.006654 max=0.011317 Jy/beam
! Clean residual mean=-0.000034 rms=0.002345 Jy/beam
! Combined flux in latest and established models = 0.353126 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 38 model components to the UV plane model.
! The established model now contains 47 components and 0.353126 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.045112Jy  sigma=0.001015
! Fit after  self-cal, rms=0.045076Jy  sigma=0.001014
! 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        1.01     FD        0.98     GC        1.02     HN        0.98     
!   KK        1.02     KP        0.98     LA        0.98     MC        0.99     
!   MK        1.02     NL        0.98     NY        1.03     ON        0.98     
!   OV        0.98     PT        0.97     SC        1.06     WF        0.97     
!   WZ        1.03     
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        0.98     GC        1.02     HN        0.97     
!   KK        0.94     KP        0.98     LA        0.98     MC        1.00     
!   MK        1.01     NL        0.97     NY        1.06     ON        0.97     
!   OV        0.98     PT        0.97     SC        1.07     WF        0.99     
!   WZ        1.00     
! 
! 
! Correcting IF 3.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.98     GC        1.02     HN        0.98     
!   KK        1.00     KP        0.98     LA        0.97     MC        1.02     
!   MK        1.02     NL        0.98     NY        1.06     ON        0.98     
!   OV        0.98     PT        0.97     SC        1.06     WF        0.96     
!   WZ        0.98     
! 
! 
! Correcting IF 4.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        0.98     GC        1.01     HN        0.98     
!   KK        1.00     KP        0.98     LA        0.97     MC        1.00     
!   MK        1.03     NL        0.98     NY        1.07     ON        1.01     
!   OV        0.98     PT        0.97     SC        1.06     WF        0.98     
!   WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.045076Jy  sigma=0.001014
! Fit after  self-cal, rms=0.042808Jy  sigma=0.000951
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.8961 mas, bmaj=2.181 mas, bpa=-6.575 degrees
! Estimated noise=426.044 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 = 0.000667298 Jy
! Component: 100  -  total flux cleaned = 0.000667304 Jy
! Total flux subtracted in 100 components = 0.000667304 Jy
! Clean residual min=-0.004559 max=0.006145 Jy/beam
! Clean residual mean=-0.000012 rms=0.001349 Jy/beam
! Combined flux in latest and established models = 0.353793 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 51 components and 0.353793 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.042752Jy  sigma=0.000949
! Fit after  self-cal, rms=0.042771Jy  sigma=0.000949
! 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 = 0.000112689 Jy
! Component: 100  -  total flux cleaned = 0.000116175 Jy
! Total flux subtracted in 100 components = 0.000116175 Jy
! Clean residual min=-0.004564 max=0.006060 Jy/beam
! Clean residual mean=-0.000012 rms=0.001342 Jy/beam
! Combined flux in latest and established models = 0.35391 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 53 components and 0.35391 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.042734Jy  sigma=0.000948
! Fit after  self-cal, rms=0.042301Jy  sigma=0.000941
! Inverting map and beam 
! Estimated beam: bmin=0.8962 mas, bmaj=2.176 mas, bpa=-6.571 degrees
! Estimated noise=426.234 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 = 0.00056648 Jy
! Component: 100  -  total flux cleaned = 0.000566689 Jy
! Total flux subtracted in 100 components = 0.000566689 Jy
! Clean residual min=-0.004540 max=0.005815 Jy/beam
! Clean residual mean=-0.000014 rms=0.001312 Jy/beam
! Combined flux in latest and established models = 0.354476 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 54 components and 0.354476 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.042271Jy  sigma=0.000940
! Fit after  self-cal, rms=0.042277Jy  sigma=0.000940
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0039+230_X
! Writing UV FITS file: 0039+230_X.uvf
! Writing 54 model components to file: 0039+230_X.mod
! wwins: Wrote 1 windows to 0039+230_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8962 x 2.176 at -6.571 degrees (North through East)
! Clean map  min=-0.0044097  max=0.30383 Jy/beam
! Writing clean map to FITS file: 0039+230_X.fits
! Writing difmap environment to: 0039+230_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0039+230_X]
device 0039+230_Xuv.ps/vps,1,2
! Attempting to open device: '0039+230_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0039+230_Xim.ps/vps
! Attempting to open device: '0039+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=0.8962 mas, bmaj=2.176 mas, bpa=-6.571 degrees
! Estimated noise=426.234 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8962 x 2.176 at -6.571 degrees (North through East)
! Clean map  min=-0.0044097  max=0.30383 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0039+230_X.log closed on Tue Feb 12 19:16:09 2008