! Started logfile: 1004+141_S.log on Tue Apr 29 23:29:01 2008
observe 1004+141_S.edt
! Reading UV FITS file: 1004+141_S.edt
! AN table 1: 84 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.216231 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1004+141
! 
! 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 963 lines of history.
! 
! Reading 11116 visibilities.
![@gonzo6-0.4 1004+141_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 1098 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1110 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1085 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1131 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.604995Jy  sigma=0.006978
! Fit after  self-cal, rms=0.599688Jy  sigma=0.006898
! 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=2.411 mas, bmaj=4.335 mas, bpa=-11.04 degrees
! Estimated noise=1735.45 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 = 0.306891 Jy
! Total flux subtracted in 50 components = 0.306891 Jy
! Clean residual min=-0.025884 max=0.087216 Jy/beam
! Clean residual mean=-0.000245 rms=0.007782 Jy/beam
! Combined flux in latest and established models = 0.306891 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 3 model components to the UV plane model.
! The established model now contains 3 components and 0.306891 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.188935Jy  sigma=0.002279
! Fit after  self-cal, rms=0.188934Jy  sigma=0.002279
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0862468 Jy
! Total flux subtracted in 50 components = 0.0862468 Jy
! Clean residual min=-0.020189 max=0.061549 Jy/beam
! Clean residual mean=-0.000174 rms=0.005548 Jy/beam
! Combined flux in latest and established models = 0.393138 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 10 components and 0.393138 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.146417Jy  sigma=0.001736
! Fit after  self-cal, rms=0.146424Jy  sigma=0.001736
! Inverting map 
! Added new window around map position (8, -7.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0554089 Jy
! Total flux subtracted in 50 components = 0.0554089 Jy
! Clean residual min=-0.015249 max=0.027972 Jy/beam
! Clean residual mean=-0.000134 rms=0.004245 Jy/beam
! Combined flux in latest and established models = 0.448547 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 23 components and 0.448547 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.125040Jy  sigma=0.001448
! Fit after  self-cal, rms=0.123066Jy  sigma=0.001429
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0357341 Jy
! Total flux subtracted in 50 components = 0.0357341 Jy
! Clean residual min=-0.012563 max=0.019332 Jy/beam
! Clean residual mean=-0.000106 rms=0.003355 Jy/beam
! Combined flux in latest and established models = 0.484281 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 24 components and 0.484281 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.112417Jy  sigma=0.001279
! Fit after  self-cal, rms=0.111702Jy  sigma=0.001272
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0252345 Jy
! Total flux subtracted in 50 components = 0.0252345 Jy
! Clean residual min=-0.011125 max=0.015971 Jy/beam
! Clean residual mean=-0.000087 rms=0.002873 Jy/beam
! Combined flux in latest and established models = 0.509515 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 38 components and 0.509515 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105796Jy  sigma=0.001187
! Fit after  self-cal, rms=0.105382Jy  sigma=0.001183
! 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=2.923 mas, bmaj=4.795 mas, bpa=-12.6 degrees
! Estimated noise=928.074 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 = 0.0299667 Jy
! Component: 100  -  total flux cleaned = 0.0483078 Jy
! Total flux subtracted in 100 components = 0.0483078 Jy
! Clean residual min=-0.007984 max=0.017237 Jy/beam
! Clean residual mean=-0.000128 rms=0.002542 Jy/beam
! Combined flux in latest and established models = 0.557823 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 68 components and 0.557823 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.098142Jy  sigma=0.001073
! Fit after  self-cal, rms=0.097480Jy  sigma=0.001065
! Inverting map 
! Added new window around map position (4.4, -2.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0161563 Jy
! Component: 100  -  total flux cleaned = 0.0259317 Jy
! Total flux subtracted in 100 components = 0.0259317 Jy
! Clean residual min=-0.006395 max=0.011638 Jy/beam
! Clean residual mean=-0.000072 rms=0.001811 Jy/beam
! Combined flux in latest and established models = 0.583755 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 32 model components to the UV plane model.
! The established model now contains 91 components and 0.583755 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.095215Jy  sigma=0.001031
! Fit after  self-cal, rms=0.094982Jy  sigma=0.001028
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.99     GC        1.01     HH        1.00*    
!   HN        1.02     KK        0.99     KP        0.99     LA        0.99     
!   MC        1.00*    MK        0.99     NL        0.98     NY        1.00     
!   ON        1.00     OV        0.98     PT        0.98     SC        1.01     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.98     GC        1.00     HH        1.00*    
!   HN        1.01     KK        0.99     KP        0.99     LA        0.99     
!   MC        1.00     MK        1.00     NL        0.99     NY        1.00     
!   ON        0.99     OV        0.99     PT        0.98     SC        1.01     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.99     GC        1.01     HH        1.00*    
!   HN        1.01     KK        1.00     KP        0.99     LA        0.99     
!   MC        1.02     MK        1.00     NL        0.99     NY        1.02     
!   ON        0.99     OV        0.99     PT        0.98     SC        1.00     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.98     GC        1.01     HH        1.00*    
!   HN        1.02     KK        0.99     KP        0.99     LA        1.02     
!   MC        1.02     MK        1.00     NL        0.99     NY        1.02     
!   ON        0.98     OV        0.99     PT        0.98     SC        1.00     
!   WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.094982Jy  sigma=0.001028
! Fit after  self-cal, rms=0.094020Jy  sigma=0.001023
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.931 mas, bmaj=4.815 mas, bpa=-12.56 degrees
! Estimated noise=918.134 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 = 0.00511465 Jy
! Component: 100  -  total flux cleaned = 0.00643921 Jy
! Total flux subtracted in 100 components = 0.00643921 Jy
! Clean residual min=-0.005787 max=0.007367 Jy/beam
! Clean residual mean=-0.000019 rms=0.001467 Jy/beam
! Combined flux in latest and established models = 0.590194 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 100 components and 0.590194 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.093674Jy  sigma=0.001017
! Fit after  self-cal, rms=0.093627Jy  sigma=0.001016
! 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 (-20.4, 28.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00545507 Jy
! Component: 100  -  total flux cleaned = 0.00603856 Jy
! Total flux subtracted in 100 components = 0.00603856 Jy
! Clean residual min=-0.005376 max=0.006389 Jy/beam
! Clean residual mean=-0.000017 rms=0.001361 Jy/beam
! Combined flux in latest and established models = 0.596232 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 13 model components to the UV plane model.
! The established model now contains 110 components and 0.596232 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.093246Jy  sigma=0.001012
! Fit after  self-cal, rms=0.092861Jy  sigma=0.001005
! Inverting map and beam 
! Estimated beam: bmin=2.931 mas, bmaj=4.806 mas, bpa=-12.56 degrees
! Estimated noise=920.557 mJy/beam.
! Added new window around map position (46.8, -70).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00568814 Jy
! Component: 100  -  total flux cleaned = 0.00893871 Jy
! Total flux subtracted in 100 components = 0.00893871 Jy
! Clean residual min=-0.004911 max=0.005761 Jy/beam
! Clean residual mean=-0.000018 rms=0.001238 Jy/beam
! Combined flux in latest and established models = 0.605171 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 129 components and 0.605171 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.092536Jy  sigma=0.001001
! Fit after  self-cal, rms=0.092482Jy  sigma=0.000999
! Inverting map and beam 
! Estimated beam: bmin=2.931 mas, bmaj=4.804 mas, bpa=-12.56 degrees
! Estimated noise=921.099 mJy/beam.
! Added new window around map position (-8, 6.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00546623 Jy
! Component: 100  -  total flux cleaned = 0.00765309 Jy
! Total flux subtracted in 100 components = 0.00765309 Jy
! Clean residual min=-0.004732 max=0.004683 Jy/beam
! Clean residual mean=-0.000008 rms=0.001145 Jy/beam
! Combined flux in latest and established models = 0.612824 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 144 components and 0.612824 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.092162Jy  sigma=0.000995
! Fit after  self-cal, rms=0.092134Jy  sigma=0.000995
! Inverting map and beam 
! Estimated beam: bmin=2.931 mas, bmaj=4.799 mas, bpa=-12.52 degrees
! Estimated noise=921.389 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 = 0.00358546 Jy
! Component: 100  -  total flux cleaned = 0.00519092 Jy
! Total flux subtracted in 100 components = 0.00519092 Jy
! Clean residual min=-0.004604 max=0.004505 Jy/beam
! Clean residual mean=-0.000009 rms=0.001100 Jy/beam
! Combined flux in latest and established models = 0.618015 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 151 components and 0.618015 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.091965Jy  sigma=0.000992
! Fit after  self-cal, rms=0.091907Jy  sigma=0.000992
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1004+141_S
! Writing UV FITS file: 1004+141_S.uvf
! Writing 151 model components to file: 1004+141_S.mod
! wwins: Wrote 6 windows to 1004+141_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.931 x 4.799 at -12.52 degrees (North through East)
! Clean map  min=-0.0045856  max=0.3984 Jy/beam
! Writing clean map to FITS file: 1004+141_S.fits
! Writing difmap environment to: 1004+141_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1004+141_S]
device 1004+141_Suv.ps/vps,1,2
! Attempting to open device: '1004+141_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1004+141_Sim.ps/vps
! Attempting to open device: '1004+141_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=2.931 mas, bmaj=4.799 mas, bpa=-12.52 degrees
! Estimated noise=921.389 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.931 x 4.799 at -12.52 degrees (North through East)
! Clean map  min=-0.0045856  max=0.3984 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.4]
quit
! Quitting program
! Log file 1004+141_S.log closed on Tue Apr 29 23:29:09 2008