! Started logfile: 1104-445_S.log on Fri Aug 10 14:36:42 2007
observe 1104-445_S.edt
! Reading UV FITS file: 1104-445_S.edt
! AN table 1: 32 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.0598214 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1104-445
! 
! 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  2.23697e+09        8e+06          1        8e+06
!  02        2  2.26697e+09        8e+06          1        8e+06
!  03        3  2.35697e+09        8e+06          1        8e+06
!  04        4  2.37697e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1153 lines of history.
! 
! Reading 804 visibilities.
![@gonzo7-0.4_south 1104-445_S]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.4
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 7.0
float win_mult
win_mult = 1.0
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 0.400x0.400 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 393 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 393 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 393 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 393 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=1.489760Jy  sigma=0.011402
! Fit after  self-cal, rms=1.541505Jy  sigma=0.011800
! 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=2.347 mas, bmaj=20.4 mas, bpa=-4.545 degrees
! Estimated noise=4457.52 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 = 1.43833 Jy
! Total flux subtracted in 50 components = 1.43833 Jy
! Clean residual min=-0.260532 max=0.512453 Jy/beam
! Clean residual mean=0.002662 rms=0.129091 Jy/beam
! Combined flux in latest and established models = 1.43833 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 13 components and 1.43833 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.253285Jy  sigma=0.009495
! Fit after  self-cal, rms=1.253249Jy  sigma=0.009495
! 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=2.704 mas, bmaj=25.01 mas, bpa=-6.085 degrees
! Estimated noise=3216.53 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 = 0.789422 Jy
! Component: 100  -  total flux cleaned = 1.17823 Jy
! Total flux subtracted in 100 components = 1.17823 Jy
! Clean residual min=-0.174986 max=0.325106 Jy/beam
! Clean residual mean=0.000438 rms=0.071851 Jy/beam
! Combined flux in latest and established models = 2.61656 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 34 model components to the UV plane model.
! The established model now contains 47 components and 2.61656 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.658591Jy  sigma=0.004873
! Fit after  self-cal, rms=0.658347Jy  sigma=0.004870
! 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 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.75     HH        1.00*    HN        1.00*    
!   KB        1.00*    KK        1.38     KP        1.01     LA        0.91     
!   MK        1.07     NL        1.00*    NY        1.00*    OV        1.29     
!   PT        0.96     SC        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.80     HH        1.00*    HN        1.00*    
!   KB        1.00*    KK        0.99     KP        1.00     LA        0.91     
!   MK        1.02     NL        1.00*    NY        1.00*    OV        1.30     
!   PT        1.03     SC        1.00*    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        1.00*    FD        0.75     HH        1.00*    HN        1.00*    
!   KB        1.00*    KK        1.00     KP        0.86     LA        0.85     
!   MK        0.95     NL        1.00*    NY        1.00*    OV        1.30     
!   PT        1.00     SC        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        0.78     HH        1.00*    HN        1.00*    
!   KB        1.00*    KK        1.03     KP        0.90     LA        0.85     
!   MK        0.88     NL        1.00*    NY        1.00*    OV        1.23     
!   PT        0.96     SC        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.658347Jy  sigma=0.004870
! Fit after  self-cal, rms=0.344564Jy  sigma=0.002910
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.74 mas, bmaj=25.06 mas, bpa=-5.681 degrees
! Estimated noise=3046.42 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 = 0.0250325 Jy
! Component: 100  -  total flux cleaned = 0.0327272 Jy
! Total flux subtracted in 100 components = 0.0327272 Jy
! Clean residual min=-0.080040 max=0.181139 Jy/beam
! Clean residual mean=0.001222 rms=0.033926 Jy/beam
! Combined flux in latest and established models = 2.64929 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 49 components and 2.64929 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.325421Jy  sigma=0.002733
! Fit after  self-cal, rms=0.325845Jy  sigma=0.002732
! 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 (2.8, 0).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.127247 Jy
! Component: 100  -  total flux cleaned = 0.127532 Jy
! Total flux subtracted in 100 components = 0.127532 Jy
! Clean residual min=-0.064010 max=0.069792 Jy/beam
! Clean residual mean=0.000621 rms=0.023213 Jy/beam
! Combined flux in latest and established models = 2.77682 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 73 components and 2.77682 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.247456Jy  sigma=0.002050
! Fit after  self-cal, rms=0.213302Jy  sigma=0.001762
! Inverting map and beam 
! Estimated beam: bmin=2.713 mas, bmaj=25.07 mas, bpa=-5.79 degrees
! Estimated noise=3040.88 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)
! Added new window around map position (15.2, 31.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0673303 Jy
! Component: 100  -  total flux cleaned = 0.0675332 Jy
! Total flux subtracted in 100 components = 0.0675332 Jy
! Clean residual min=-0.038916 max=0.057670 Jy/beam
! Clean residual mean=-0.000180 rms=0.013035 Jy/beam
! Combined flux in latest and established models = 2.84436 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 90 components and 2.84436 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.180214Jy  sigma=0.001481
! Fit after  self-cal, rms=0.177904Jy  sigma=0.001464
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1104-445_S
! Writing UV FITS file: 1104-445_S.uvf
! Writing 90 model components to file: 1104-445_S.mod
! wwins: Wrote 3 windows to 1104-445_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.713 x 25.07 at -5.79 degrees (North through East)
! Clean map  min=-0.044835  max=1.9064 Jy/beam
! Writing clean map to FITS file: 1104-445_S.fits
! Writing difmap environment to: 1104-445_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1104-445_S]
device 1104-445_Suv.ps/vps,1,2
! Attempting to open device: '1104-445_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1104-445_Sim.ps/vps
! Attempting to open device: '1104-445_Sim.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=2.713 mas, bmaj=25.07 mas, bpa=-5.79 degrees
! Estimated noise=3040.88 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.713 x 25.07 at -5.79 degrees (North through East)
! Clean map  min=-0.044835  max=1.9064 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4_south]
quit
! Quitting program
! Log file 1104-445_S.log closed on Fri Aug 10 14:36:56 2007