! Started logfile: 1642+690_S.log on Sat Feb  3 16:18:27 2007
observe 1642+690_S.edt
! Reading UV FITS file: 1642+690_S.edt
! AN table 1: 124 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.286369 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1642+690
! 
! 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  2.22997e+09        8e+06          1        8e+06
!  02        2  2.25997e+09        8e+06          1        8e+06
!  03        3  2.34997e+09        8e+06          1        8e+06
!  04        4  2.36997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1912 lines of history.
! 
! Reading 21732 visibilities.
![@gonzo6-0.4 1642+690_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 = 6.0
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 1287 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1287 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1283 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1299 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.629156Jy  sigma=0.008450
! Fit after  self-cal, rms=0.625299Jy  sigma=0.008448
! 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=1.843 mas, bmaj=2.951 mas, bpa=60.81 degrees
! Estimated noise=950.059 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 = 0.277916 Jy
! Total flux subtracted in 50 components = 0.277916 Jy
! Clean residual min=-0.023894 max=0.094123 Jy/beam
! Clean residual mean=-0.000171 rms=0.006767 Jy/beam
! Combined flux in latest and established models = 0.277916 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 5 components and 0.277916 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.248602Jy  sigma=0.003720
! Fit after  self-cal, rms=0.248492Jy  sigma=0.003720
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0999765 Jy
! Total flux subtracted in 50 components = 0.0999765 Jy
! Clean residual min=-0.019581 max=0.066490 Jy/beam
! Clean residual mean=-0.000129 rms=0.005175 Jy/beam
! Combined flux in latest and established models = 0.377892 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 7 components and 0.377892 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.198519Jy  sigma=0.002912
! Fit after  self-cal, rms=0.198036Jy  sigma=0.002908
! Inverting map 
! Added new window around map position (-1.2, -2.8).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0667828 Jy
! Total flux subtracted in 50 components = 0.0667828 Jy
! Clean residual min=-0.016974 max=0.042817 Jy/beam
! Clean residual mean=-0.000104 rms=0.004216 Jy/beam
! Combined flux in latest and established models = 0.444675 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 9 model components to the UV plane model.
! The established model now contains 14 components and 0.444675 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.171559Jy  sigma=0.002438
! Fit after  self-cal, rms=0.170668Jy  sigma=0.002429
! Inverting map 
! Added new window around map position (-2.8, -8).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0473351 Jy
! Total flux subtracted in 50 components = 0.0473351 Jy
! Clean residual min=-0.014959 max=0.025412 Jy/beam
! Clean residual mean=-0.000087 rms=0.003559 Jy/beam
! Combined flux in latest and established models = 0.49201 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 20 components and 0.49201 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.156261Jy  sigma=0.002156
! Fit after  self-cal, rms=0.155235Jy  sigma=0.002147
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.034686 Jy
! Total flux subtracted in 50 components = 0.034686 Jy
! Clean residual min=-0.012885 max=0.019478 Jy/beam
! Clean residual mean=-0.000075 rms=0.003135 Jy/beam
! Combined flux in latest and established models = 0.526696 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 23 components and 0.526696 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.146197Jy  sigma=0.001967
! Fit after  self-cal, rms=0.145700Jy  sigma=0.001963
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0265783 Jy
! Total flux subtracted in 50 components = 0.0265783 Jy
! Clean residual min=-0.011680 max=0.017646 Jy/beam
! Clean residual mean=-0.000065 rms=0.002864 Jy/beam
! Combined flux in latest and established models = 0.553274 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 31 components and 0.553274 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.139734Jy  sigma=0.001837
! Fit after  self-cal, rms=0.139426Jy  sigma=0.001835
! Inverting map 
! Added new window around map position (-1.6, 4).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0219103 Jy
! Total flux subtracted in 50 components = 0.0219103 Jy
! Clean residual min=-0.011215 max=0.014361 Jy/beam
! Clean residual mean=-0.000057 rms=0.002672 Jy/beam
! Combined flux in latest and established models = 0.575184 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 39 components and 0.575184 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.135048Jy  sigma=0.001742
! Fit after  self-cal, rms=0.134889Jy  sigma=0.001741
! 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=2.44 mas, bmaj=3.494 mas, bpa=51.58 degrees
! Estimated noise=438.85 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 = 0.0413723 Jy
! Component: 100  -  total flux cleaned = 0.0693973 Jy
! Total flux subtracted in 100 components = 0.0693973 Jy
! Clean residual min=-0.009978 max=0.017291 Jy/beam
! Clean residual mean=-0.000131 rms=0.002835 Jy/beam
! Combined flux in latest and established models = 0.644582 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 40 model components to the UV plane model.
! The established model now contains 74 components and 0.644582 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.124342Jy  sigma=0.001510
! Fit after  self-cal, rms=0.124037Jy  sigma=0.001506
! Inverting map 
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0208141 Jy
! Component: 100  -  total flux cleaned = 0.0352552 Jy
! Total flux subtracted in 100 components = 0.0352552 Jy
! Clean residual min=-0.008796 max=0.011172 Jy/beam
! Clean residual mean=-0.000077 rms=0.002154 Jy/beam
! Combined flux in latest and established models = 0.679837 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 40 model components to the UV plane model.
! The established model now contains 94 components and 0.679837 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.121101Jy  sigma=0.001442
! Fit after  self-cal, rms=0.120926Jy  sigma=0.001440
! 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 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        1.09     GC        0.98     HH        1.00*    HN        0.92     
!   LA        1.08     MC        1.13     MK        0.94     NY        0.98     
!   ON        0.94     OV        0.99     PT        0.95     SC        1.00*    
!   TS        1.00*    WF        1.10     BR        0.91     KK        1.00*    
!   KP        0.91     WZ        0.90     
! 
! 
! Correcting IF 2.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.97     GC        0.97     HH        1.00*    HN        0.94     
!   LA        1.04     MC        1.15     MK        1.03     NY        0.95     
!   ON        0.98     OV        1.03     PT        0.94     SC        1.00*    
!   TS        1.00*    WF        1.10     BR        0.97     KK        1.00*    
!   KP        0.96     WZ        0.87     
! 
! 
! Correcting IF 3.
!  A total of 30 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.92     GC        1.05     HH        1.00*    HN        1.20     
!   LA        0.95     MC        2.18     MK        1.02     NY        1.02     
!   ON        0.96     OV        1.05     PT        1.06     SC        1.00*    
!   TS        1.00*    WF        1.21     BR        1.03     KK        1.00*    
!   KP        1.00     WZ        0.90     
! 
! 
! Correcting IF 4.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.86     GC        1.11     HH        1.00*    HN        1.08     
!   LA        0.80     MC        2.13     MK        0.98     NY        1.06     
!   ON        1.01     OV        0.91     PT        1.01     SC        1.00*    
!   TS        1.00*    WF        1.20     BR        0.98     KK        1.00*    
!   KP        1.00     WZ        0.87     
! 
! 
! Fit before self-cal, rms=0.120926Jy  sigma=0.001440
! Fit after  self-cal, rms=0.111743Jy  sigma=0.001208
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.444 mas, bmaj=3.526 mas, bpa=51.22 degrees
! Estimated noise=432.97 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 (-3.6, -13.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00939513 Jy
! Component: 100  -  total flux cleaned = 0.0149999 Jy
! Total flux subtracted in 100 components = 0.0149999 Jy
! Clean residual min=-0.003654 max=0.005258 Jy/beam
! Clean residual mean=-0.000004 rms=0.001025 Jy/beam
! Combined flux in latest and established models = 0.694837 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 109 components and 0.694837 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.111124Jy  sigma=0.001192
! Fit after  self-cal, rms=0.111049Jy  sigma=0.001191
! 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 (8.4, 9.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00536792 Jy
! Component: 100  -  total flux cleaned = 0.00841415 Jy
! Total flux subtracted in 100 components = 0.00841415 Jy
! Clean residual min=-0.003590 max=0.004421 Jy/beam
! Clean residual mean=0.000006 rms=0.000915 Jy/beam
! Combined flux in latest and established models = 0.703251 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 123 components and 0.703251 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.110796Jy  sigma=0.001185
! Fit after  self-cal, rms=0.108986Jy  sigma=0.001161
! Inverting map and beam 
! Estimated beam: bmin=2.446 mas, bmaj=3.52 mas, bpa=51.51 degrees
! Estimated noise=433.513 mJy/beam.
! Added new window around map position (-2.4, 102).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00413485 Jy
! Component: 100  -  total flux cleaned = 0.00554751 Jy
! Total flux subtracted in 100 components = 0.00554751 Jy
! Clean residual min=-0.003248 max=0.003794 Jy/beam
! Clean residual mean=0.000014 rms=0.000802 Jy/beam
! Combined flux in latest and established models = 0.708799 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 136 components and 0.708799 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108836Jy  sigma=0.001158
! Fit after  self-cal, rms=0.108767Jy  sigma=0.001156
! Inverting map and beam 
! Estimated beam: bmin=2.446 mas, bmaj=3.518 mas, bpa=51.53 degrees
! Estimated noise=433.307 mJy/beam.
! Added new window around map position (-2.8, -35.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00417 Jy
! Component: 100  -  total flux cleaned = 0.00712532 Jy
! Total flux subtracted in 100 components = 0.00712532 Jy
! Clean residual min=-0.002981 max=0.002983 Jy/beam
! Clean residual mean=0.000007 rms=0.000724 Jy/beam
! Combined flux in latest and established models = 0.715924 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 146 components and 0.715924 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108594Jy  sigma=0.001153
! Fit after  self-cal, rms=0.108735Jy  sigma=0.001153
! Inverting map and beam 
! Estimated beam: bmin=2.446 mas, bmaj=3.519 mas, bpa=51.51 degrees
! Estimated noise=433.299 mJy/beam.
! Added new window around map position (-14, -41.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00318326 Jy
! Component: 100  -  total flux cleaned = 0.0056855 Jy
! Total flux subtracted in 100 components = 0.0056855 Jy
! Clean residual min=-0.002811 max=0.002983 Jy/beam
! Clean residual mean=0.000006 rms=0.000683 Jy/beam
! Combined flux in latest and established models = 0.721609 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 154 components and 0.721609 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108625Jy  sigma=0.001151
! Fit after  self-cal, rms=0.108770Jy  sigma=0.001151
! Inverting map and beam 
! Estimated beam: bmin=2.446 mas, bmaj=3.519 mas, bpa=51.51 degrees
! Estimated noise=433.344 mJy/beam.
! Added new window around map position (48.8, -85.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0029062 Jy
! Component: 100  -  total flux cleaned = 0.00516547 Jy
! Total flux subtracted in 100 components = 0.00516547 Jy
! Clean residual min=-0.002768 max=0.002677 Jy/beam
! Clean residual mean=0.000008 rms=0.000645 Jy/beam
! Combined flux in latest and established models = 0.726775 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 159 components and 0.726775 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108677Jy  sigma=0.001149
! Fit after  self-cal, rms=0.108791Jy  sigma=0.001149
! Inverting map and beam 
! Estimated beam: bmin=2.446 mas, bmaj=3.518 mas, bpa=51.51 degrees
! Estimated noise=433.419 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 = 0.00220335 Jy
! Component: 100  -  total flux cleaned = 0.00384039 Jy
! Total flux subtracted in 100 components = 0.00384039 Jy
! Clean residual min=-0.002670 max=0.002583 Jy/beam
! Clean residual mean=0.000009 rms=0.000622 Jy/beam
! Combined flux in latest and established models = 0.730615 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 162 components and 0.730615 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108731Jy  sigma=0.001149
! Fit after  self-cal, rms=0.108718Jy  sigma=0.001148
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1642+690_S
! Writing UV FITS file: 1642+690_S.uvf
! Writing 162 model components to file: 1642+690_S.mod
! wwins: Wrote 10 windows to 1642+690_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.446 x 3.518 at 51.51 degrees (North through East)
! Clean map  min=-0.0025807  max=0.37584 Jy/beam
! Writing clean map to FITS file: 1642+690_S.fits
! Writing difmap environment to: 1642+690_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1642+690_S]
device 1642+690_Suv.ps/vps,1,2
! Attempting to open device: '1642+690_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1642+690_Sim.ps/vps
! Attempting to open device: '1642+690_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=2.446 mas, bmaj=3.518 mas, bpa=51.51 degrees
! Estimated noise=433.419 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.446 x 3.518 at 51.51 degrees (North through East)
! Clean map  min=-0.0025807  max=0.37584 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.4]
quit
! Quitting program
! Log file 1642+690_S.log closed on Sat Feb  3 16:19:03 2007