! Started logfile: 1741-038_S.log on Fri Aug 19 11:55:39 2005
observe 1741-038_S.edt
! Reading UV FITS file: 1741-038_S.edt
! AN table 1: 39 integrations on 171 of 171 possible baselines.
! AN table 2: 38 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.0990355 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 1565 lines of history.
! 
! Reading 5216 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 682 telescope corrections were flagged in sub-array 1.
!  A total of 590 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 682 telescope corrections were flagged in sub-array 1.
!  A total of 590 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 682 telescope corrections were flagged in sub-array 1.
!  A total of 591 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 687 telescope corrections were flagged in sub-array 1.
!  A total of 591 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=2.766725Jy  sigma=0.041978
! Fit after  self-cal, rms=2.767213Jy  sigma=0.041976
! 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=2.482 mas, bmaj=7.311 mas, bpa=-6.802 degrees
! Estimated noise=1173.76 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 = 2.87117 Jy
! Total flux subtracted in 50 components = 2.87117 Jy
! Clean residual min=-0.143705 max=0.800752 Jy/beam
! Clean residual mean=0.000744 rms=0.051667 Jy/beam
! Combined flux in latest and established models = 2.87117 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 2.87117 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.947470Jy  sigma=0.014630
! Fit after  self-cal, rms=0.947470Jy  sigma=0.014630
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.652519 Jy
! Total flux subtracted in 50 components = 0.652519 Jy
! Clean residual min=-0.058282 max=0.231028 Jy/beam
! Clean residual mean=0.000334 rms=0.020951 Jy/beam
! Combined flux in latest and established models = 3.52369 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 10 components and 3.52369 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.418285Jy  sigma=0.006445
! Fit after  self-cal, rms=0.418275Jy  sigma=0.006445
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.231688 Jy
! Total flux subtracted in 50 components = 0.231688 Jy
! Clean residual min=-0.041687 max=0.098176 Jy/beam
! Clean residual mean=0.000189 rms=0.013223 Jy/beam
! Combined flux in latest and established models = 3.75538 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 15 components and 3.75538 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.285382Jy  sigma=0.004313
! Fit after  self-cal, rms=0.285374Jy  sigma=0.004313
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.106566 Jy
! Total flux subtracted in 50 components = 0.106566 Jy
! Clean residual min=-0.037995 max=0.055319 Jy/beam
! Clean residual mean=0.000121 rms=0.010911 Jy/beam
! Combined flux in latest and established models = 3.86195 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 21 components and 3.86195 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.246345Jy  sigma=0.003654
! Fit after  self-cal, rms=0.246332Jy  sigma=0.003654
! 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=3.042 mas, bmaj=8.192 mas, bpa=-5.117 degrees
! Estimated noise=915.381 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 = 0.075828 Jy
! Component: 100  -  total flux cleaned = 0.114556 Jy
! Total flux subtracted in 100 components = 0.114556 Jy
! Clean residual min=-0.027500 max=0.033347 Jy/beam
! Clean residual mean=0.000081 rms=0.008273 Jy/beam
! Combined flux in latest and established models = 3.9765 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 31 model components to the UV plane model.
! The established model now contains 41 components and 3.9765 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.227339Jy  sigma=0.003311
! Fit after  self-cal, rms=0.227315Jy  sigma=0.003310
! 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 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        1.04     KK        1.00*    KP        1.05     LA        1.02     
!   MC        1.00*    MK        0.97     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        1.01     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        0.99     KK        1.02     KP        1.05     LA        0.99     
!   MC        1.00*    MK        0.97     NL        1.01     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        1.01     SC        0.94     
!   TS        1.02     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.02     KK        1.00*    KP        1.03     LA        1.03     
!   MC        1.00*    MK        1.03     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        0.97     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        1.01     KK        1.03     KP        0.99     LA        0.96     
!   MC        1.00*    MK        1.02     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        1.01     PT        0.99     SC        1.04     
!   TS        0.94     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.91     FD        1.00     GC        1.00*    HH        1.00*    
!   HN        1.00     KK        1.00*    KP        1.01     LA        1.20     
!   MC        1.00*    MK        0.98     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        0.99     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.97     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        1.00     KK        1.00     KP        0.99     LA        1.01     
!   MC        1.00*    MK        0.99     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        1.00     SC        1.09     
!   TS        1.01     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.90     FD        0.96     GC        1.00*    HH        1.00*    
!   HN        0.99     KK        1.00*    KP        1.01     LA        1.00     
!   MC        1.00*    MK        0.96     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        0.99     SC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        0.96     GC        1.00*    HH        1.00*    
!   HN        1.00     KK        1.04     KP        0.96     LA        0.97     
!   MC        1.00*    MK        0.98     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        1.01     SC        1.11     
!   TS        1.05     WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.227315Jy  sigma=0.003310
! Fit after  self-cal, rms=0.153013Jy  sigma=0.002053
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.11 mas, bmaj=8.265 mas, bpa=-5.261 degrees
! Estimated noise=920.255 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 = -0.0012409 Jy
! Component: 100  -  total flux cleaned = -0.0012865 Jy
! Total flux subtracted in 100 components = -0.0012865 Jy
! Clean residual min=-0.015235 max=0.014336 Jy/beam
! Clean residual mean=0.000016 rms=0.003496 Jy/beam
! Combined flux in latest and established models = 3.97522 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 3.97522 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.151860Jy  sigma=0.002040
! Fit after  self-cal, rms=0.151818Jy  sigma=0.002039
! 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 = 0.000805635 Jy
! Component: 100  -  total flux cleaned = 0.00136061 Jy
! Total flux subtracted in 100 components = 0.00136061 Jy
! Clean residual min=-0.015207 max=0.013899 Jy/beam
! Clean residual mean=0.000016 rms=0.003449 Jy/beam
! Combined flux in latest and established models = 3.97658 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 48 components and 3.97658 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.151224Jy  sigma=0.002032
! Fit after  self-cal, rms=0.127690Jy  sigma=0.001797
! Inverting map and beam 
! Estimated beam: bmin=3.112 mas, bmaj=8.263 mas, bpa=-5.274 degrees
! Estimated noise=920.998 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 = -0.000699439 Jy
! Component: 100  -  total flux cleaned = -0.000944715 Jy
! Total flux subtracted in 100 components = -0.000944715 Jy
! Clean residual min=-0.012382 max=0.010400 Jy/beam
! Clean residual mean=0.000002 rms=0.002291 Jy/beam
! Combined flux in latest and established models = 3.97563 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 54 components and 3.97563 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.127236Jy  sigma=0.001789
! Fit after  self-cal, rms=0.127233Jy  sigma=0.001789
! 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 54 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: 3.112 x 8.263 at -5.274 degrees (North through East)
! Clean map  min=-0.012058  max=3.7266 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=3.112 mas, bmaj=8.263 mas, bpa=-5.274 degrees
! Estimated noise=920.998 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.112 x 8.263 at -5.274 degrees (North through East)
! Clean map  min=-0.012058  max=3.7266 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1741-038_S.log closed on Fri Aug 19 11:56:22 2005