! Started logfile: 1741-038_S.log on Wed May  7 12:42:11 2008
observe 1741-038_S.edt
! Reading UV FITS file: 1741-038_S.edt
! AN table 1: 46 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.0522876 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1741-038
! 
! 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  2.22497e+09        8e+06          1        8e+06
!  02        2  2.24497e+09        8e+06          1        8e+06
!  03        3  2.33497e+09        8e+06          1        8e+06
!  04        4  2.36497e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 955 lines of history.
! 
! Reading 1472 visibilities.
![@gonzo7-0.4 1741-038_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 = 1.8
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 0.400x0.400 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 721 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 704 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 706 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 728 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=2.442309Jy  sigma=0.029528
! Fit after  self-cal, rms=2.430752Jy  sigma=0.029754
! 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=2.659 mas, bmaj=6.852 mas, bpa=-9.364 degrees
! Estimated noise=2427.84 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 = 2.69427 Jy
! Total flux subtracted in 50 components = 2.69427 Jy
! Clean residual min=-0.174101 max=0.751392 Jy/beam
! Clean residual mean=-0.000620 rms=0.061481 Jy/beam
! Combined flux in latest and established models = 2.69427 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 2.69427 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.814762Jy  sigma=0.010388
! Fit after  self-cal, rms=0.814762Jy  sigma=0.010388
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.596564 Jy
! Total flux subtracted in 50 components = 0.596564 Jy
! Clean residual min=-0.086800 max=0.199723 Jy/beam
! Clean residual mean=-0.000232 rms=0.026836 Jy/beam
! Combined flux in latest and established models = 3.29083 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 8 components and 3.29083 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.415323Jy  sigma=0.004928
! Fit after  self-cal, rms=0.415273Jy  sigma=0.004928
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.211331 Jy
! Total flux subtracted in 50 components = 0.211331 Jy
! Clean residual min=-0.074682 max=0.097997 Jy/beam
! Clean residual mean=-0.000097 rms=0.019863 Jy/beam
! Combined flux in latest and established models = 3.50216 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 18 components and 3.50216 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.336703Jy  sigma=0.003840
! Fit after  self-cal, rms=0.336663Jy  sigma=0.003839
! 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=2.671 mas, bmaj=6.572 mas, bpa=-13.94 degrees
! Estimated noise=1884.58 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 = 0.131636 Jy
! Component: 100  -  total flux cleaned = 0.211787 Jy
! Total flux subtracted in 100 components = 0.211787 Jy
! Clean residual min=-0.069474 max=0.073751 Jy/beam
! Clean residual mean=0.000150 rms=0.017297 Jy/beam
! Combined flux in latest and established models = 3.71395 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 30 components and 3.71395 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.286793Jy  sigma=0.003196
! Fit after  self-cal, rms=0.286759Jy  sigma=0.003196
! 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        0.96     FD        1.08     GC        1.06     HH        1.00*    
!   HN        0.93     KK        1.00     KP        0.97     LA        0.99     
!   MC        1.00*    MK        1.03     NL        0.93     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        1.14     SC        0.92     
!   WF        1.11     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 18 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.95     FD        1.02     GC        1.04     HH        1.00*    
!   HN        0.95     KK        1.01     KP        1.02     LA        0.99     
!   MC        1.00*    MK        1.03     NL        0.96     NY        1.00*    
!   ON        1.00*    OV        0.95     PT        1.00     SC        1.00     
!   WF        1.07     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 18 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        1.02     GC        1.03     HH        1.00*    
!   HN        1.04     KK        1.01     KP        0.99     LA        0.96     
!   MC        1.00*    MK        0.94     NL        0.95     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        1.04     SC        1.06     
!   WF        1.12     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.95     FD        0.93     GC        1.06     HH        1.00*    
!   HN        1.03     KK        1.03     KP        1.01     LA        1.00*    
!   MC        1.00*    MK        0.92     NL        0.96     NY        1.00*    
!   ON        1.00*    OV        0.82     PT        0.96     SC        1.06     
!   WF        1.17     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.286759Jy  sigma=0.003196
! Fit after  self-cal, rms=0.131441Jy  sigma=0.001303
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.664 mas, bmaj=6.722 mas, bpa=-14.34 degrees
! Estimated noise=1941.05 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 = 0.00726734 Jy
! Component: 100  -  total flux cleaned = 0.00824102 Jy
! Total flux subtracted in 100 components = 0.00824102 Jy
! Clean residual min=-0.011964 max=0.013287 Jy/beam
! Clean residual mean=0.000009 rms=0.003407 Jy/beam
! Combined flux in latest and established models = 3.72219 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 45 components and 3.72219 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.130363Jy  sigma=0.001289
! Fit after  self-cal, rms=0.130314Jy  sigma=0.001288
! 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 = 0.000682615 Jy
! Component: 100  -  total flux cleaned = 0.000430273 Jy
! Total flux subtracted in 100 components = 0.000430273 Jy
! Clean residual min=-0.011809 max=0.012905 Jy/beam
! Clean residual mean=0.000010 rms=0.003338 Jy/beam
! Combined flux in latest and established models = 3.72262 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 52 components and 3.72262 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.129862Jy  sigma=0.001282
! Fit after  self-cal, rms=0.123081Jy  sigma=0.001205
! Inverting map and beam 
! Estimated beam: bmin=2.668 mas, bmaj=6.722 mas, bpa=-14.4 degrees
! Estimated noise=1942.05 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 = 0.000852314 Jy
! Component: 100  -  total flux cleaned = 0.000455503 Jy
! Total flux subtracted in 100 components = 0.000455503 Jy
! Clean residual min=-0.010164 max=0.009882 Jy/beam
! Clean residual mean=0.000031 rms=0.002677 Jy/beam
! Combined flux in latest and established models = 3.72308 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 59 components and 3.72308 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.122771Jy  sigma=0.001201
! Fit after  self-cal, rms=0.122738Jy  sigma=0.001200
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1741-038_S
! Writing UV FITS file: 1741-038_S.uvf
! Writing 59 model components to file: 1741-038_S.mod
! wwins: Wrote 1 windows to 1741-038_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.668 x 6.722 at -14.4 degrees (North through East)
! Clean map  min=-0.0098802  max=3.4327 Jy/beam
! Writing clean map to FITS file: 1741-038_S.fits
! Writing difmap environment to: 1741-038_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1741-038_S]
device 1741-038_Suv.ps/vps,1,2
! Attempting to open device: '1741-038_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1741-038_Sim.ps/vps
! Attempting to open device: '1741-038_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=2.668 mas, bmaj=6.722 mas, bpa=-14.4 degrees
! Estimated noise=1942.05 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.668 x 6.722 at -14.4 degrees (North through East)
! Clean map  min=-0.0098802  max=3.4327 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1741-038_S.log closed on Wed May  7 12:42:15 2008