! Started logfile: 1546+027_S.log on Thu Jul 19 20:35:17 2007
observe 1546+027_S.edt
! Reading UV FITS file: 1546+027_S.edt
! AN table 1: 112 integrations on 171 of 171 possible baselines.
! AN table 2: 72 integrations on 171 of 171 possible baselines.
! AN table 3: 16 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.0887135 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1546+027
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! 
! 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 1332 lines of history.
! 
! Reading 12136 visibilities.
![@gonzo6-0.4 1546+027_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 1841 telescope corrections were flagged in sub-array 1.
!  A total of 1146 telescope corrections were flagged in sub-array 2.
!  A total of 304 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 1805 telescope corrections were flagged in sub-array 1.
!  A total of 1132 telescope corrections were flagged in sub-array 2.
!  A total of 304 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 1812 telescope corrections were flagged in sub-array 1.
!  A total of 1140 telescope corrections were flagged in sub-array 2.
!  A total of 304 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 1890 telescope corrections were flagged in sub-array 1.
!  A total of 1189 telescope corrections were flagged in sub-array 2.
!  A total of 304 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.269272Jy  sigma=0.004034
! Fit after  self-cal, rms=0.268790Jy  sigma=0.004066
! 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=2.25 mas, bmaj=5.808 mas, bpa=0.4449 degrees
! Estimated noise=1231.45 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 = 0.585287 Jy
! Total flux subtracted in 50 components = 0.585287 Jy
! Clean residual min=-0.029912 max=0.163245 Jy/beam
! Clean residual mean=0.000062 rms=0.008598 Jy/beam
! Combined flux in latest and established models = 0.585287 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 0.585287 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.237655Jy  sigma=0.003690
! Fit after  self-cal, rms=0.237656Jy  sigma=0.003690
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.137591 Jy
! Total flux subtracted in 50 components = 0.137591 Jy
! Clean residual min=-0.015978 max=0.053225 Jy/beam
! Clean residual mean=0.000033 rms=0.004657 Jy/beam
! Combined flux in latest and established models = 0.722879 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 0.722879 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.149693Jy  sigma=0.002293
! Fit after  self-cal, rms=0.149690Jy  sigma=0.002293
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0570972 Jy
! Total flux subtracted in 50 components = 0.0570972 Jy
! Clean residual min=-0.016121 max=0.027665 Jy/beam
! Clean residual mean=0.000020 rms=0.003626 Jy/beam
! Combined flux in latest and established models = 0.779976 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 25 components and 0.779976 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.127354Jy  sigma=0.001916
! Fit after  self-cal, rms=0.127333Jy  sigma=0.001915
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0329125 Jy
! Total flux subtracted in 50 components = 0.0329125 Jy
! Clean residual min=-0.015568 max=0.016966 Jy/beam
! Clean residual mean=0.000013 rms=0.003219 Jy/beam
! Combined flux in latest and established models = 0.812888 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 31 components and 0.812888 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119005Jy  sigma=0.001775
! Fit after  self-cal, rms=0.118985Jy  sigma=0.001774
! 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=2.719 mas, bmaj=7.537 mas, bpa=2.222 degrees
! Estimated noise=638.725 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 = 0.0281639 Jy
! Component: 100  -  total flux cleaned = 0.0427935 Jy
! Total flux subtracted in 100 components = 0.0427935 Jy
! Clean residual min=-0.011851 max=0.015788 Jy/beam
! Clean residual mean=-0.000030 rms=0.002908 Jy/beam
! Combined flux in latest and established models = 0.855682 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 62 components and 0.855682 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.113377Jy  sigma=0.001677
! Fit after  self-cal, rms=0.113321Jy  sigma=0.001676
! Inverting map 
! Added new window around map position (1.6, -11.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0141109 Jy
! Component: 100  -  total flux cleaned = 0.0192548 Jy
! Total flux subtracted in 100 components = 0.0192548 Jy
! Clean residual min=-0.010702 max=0.011283 Jy/beam
! Clean residual mean=-0.000030 rms=0.002604 Jy/beam
! Combined flux in latest and established models = 0.874937 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 78 components and 0.874937 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.111619Jy  sigma=0.001651
! Fit after  self-cal, rms=0.111487Jy  sigma=0.001649
! 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 33 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        1.12     GC        1.00     GG        1.00*    
!   HN        1.00     KP        0.92     LA        1.06     MA        1.00*    
!   MK        0.97     NL        0.98     NY        1.07     ON        1.04     
!   OV        0.95     PT        1.03     SC        0.92     TC        1.00*    
!   TS        1.05     WF        1.00     WZ        0.86     
! 
!  A total of 21 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        1.12     GC        1.00     GG        1.00*    
!   HN        0.94     KP        0.91     LA        1.01     MA        1.00*    
!   MK        1.04     NL        0.95     NY        1.00*    ON        1.00*    
!   OV        0.97     PT        1.00     SC        0.88     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 2.
!  A total of 27 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.09     FD        1.05     GC        0.98     GG        1.00*    
!   HN        1.04     KP        1.00     LA        1.01     MA        1.22     
!   MK        1.01     NL        1.03     NY        1.15     ON        1.01     
!   OV        1.03     PT        1.01     SC        0.94     TC        1.00*    
!   TS        1.02     WF        1.11     WZ        0.90     
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.09     FD        1.05     GC        1.01     GG        1.00*    
!   HN        0.98     KP        1.00     LA        0.97     MA        1.00*    
!   MK        0.99     NL        0.97     NY        1.00*    ON        1.00*    
!   OV        1.04     PT        1.01     SC        0.92     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 3.
!  A total of 48 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.09     GG        1.00*    
!   HN        1.00     KP        0.98     LA        0.83     MA        1.27     
!   MK        0.95     NL        1.06     NY        1.04     ON        0.98     
!   OV        1.02     PT        1.05     SC        1.12     TC        1.00*    
!   TS        1.07     WF        1.14     WZ        0.90     
! 
!  A total of 12 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.99     FD        0.99     GC        1.14     GG        1.00*    
!   HN        1.01     KP        0.96     LA        0.84     MA        1.00*    
!   MK        0.97     NL        1.02     NY        1.00*    ON        1.00*    
!   OV        1.02     PT        1.03     SC        1.04     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 4.
!  A total of 18 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        0.90     GC        1.15     GG        1.00*    
!   HN        0.99     KP        0.98     LA        0.71     MA        1.10     
!   MK        0.95     NL        0.98     NY        1.07     ON        1.04     
!   OV        0.88     PT        1.01     SC        1.11     TC        1.00*    
!   TS        1.05     WF        1.22     WZ        0.86     
! 
!  A total of 24 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.91     FD        0.91     GC        1.18     GG        1.00*    
!   HN        0.99     KP        0.96     LA        0.87     MA        1.00*    
!   MK        0.94     NL        0.96     NY        1.00*    ON        1.00*    
!   OV        0.90     PT        0.98     SC        1.01     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Fit before self-cal, rms=0.111487Jy  sigma=0.001649
! Fit after  self-cal, rms=0.087603Jy  sigma=0.001279
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.748 mas, bmaj=7.61 mas, bpa=2.538 degrees
! Estimated noise=643.326 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 = 0.000693802 Jy
! Component: 100  -  total flux cleaned = 0.000503644 Jy
! Total flux subtracted in 100 components = 0.000503644 Jy
! Clean residual min=-0.004503 max=0.005154 Jy/beam
! Clean residual mean=-0.000011 rms=0.001158 Jy/beam
! Combined flux in latest and established models = 0.87544 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 89 components and 0.87544 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.087193Jy  sigma=0.001274
! Fit after  self-cal, rms=0.087171Jy  sigma=0.001273
! 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 (19.2, -42).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00403321 Jy
! Component: 100  -  total flux cleaned = 0.00621498 Jy
! Total flux subtracted in 100 components = 0.00621498 Jy
! Clean residual min=-0.004076 max=0.004678 Jy/beam
! Clean residual mean=-0.000004 rms=0.001100 Jy/beam
! Combined flux in latest and established models = 0.881655 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 103 components and 0.881655 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.086878Jy  sigma=0.001268
! Fit after  self-cal, rms=0.077297Jy  sigma=0.001119
! Inverting map and beam 
! Estimated beam: bmin=2.75 mas, bmaj=7.617 mas, bpa=2.529 degrees
! Estimated noise=643.693 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 (-1.2, -30.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00321405 Jy
! Component: 100  -  total flux cleaned = 0.00464058 Jy
! Total flux subtracted in 100 components = 0.00464058 Jy
! Clean residual min=-0.003626 max=0.002823 Jy/beam
! Clean residual mean=-0.000002 rms=0.000762 Jy/beam
! Combined flux in latest and established models = 0.886296 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 118 components and 0.886296 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.077100Jy  sigma=0.001115
! Fit after  self-cal, rms=0.077092Jy  sigma=0.001115
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1546+027_S
! Writing UV FITS file: 1546+027_S.uvf
! Writing 118 model components to file: 1546+027_S.mod
! wwins: Wrote 4 windows to 1546+027_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.75 x 7.617 at 2.529 degrees (North through East)
! Clean map  min=-0.003479  max=0.76617 Jy/beam
! Writing clean map to FITS file: 1546+027_S.fits
! Writing difmap environment to: 1546+027_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1546+027_S]
device 1546+027_Suv.ps/vps,1,2
! Attempting to open device: '1546+027_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1546+027_Sim.ps/vps
! Attempting to open device: '1546+027_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=2.75 mas, bmaj=7.617 mas, bpa=2.529 degrees
! Estimated noise=643.693 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.75 x 7.617 at 2.529 degrees (North through East)
! Clean map  min=-0.003479  max=0.76617 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.4]
quit
! Quitting program
! Log file 1546+027_S.log closed on Thu Jul 19 20:35:28 2007