! Started logfile: 1657-261_S.log on Sat Feb  3 16:23:35 2007
observe 1657-261_S.edt
! Reading UV FITS file: 1657-261_S.edt
! AN table 1: 48 integrations on 153 of 153 possible baselines.
! AN table 2: 9 integrations on 153 of 153 possible baselines.
! AN table 3: 13 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.0300654 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1657-261
! 
! 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 1288 visibilities.
![@gonzo7-0.4 1657-261_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 735 telescope corrections were flagged in sub-array 1.
!  A total of 159 telescope corrections were flagged in sub-array 2.
!  A total of 234 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 723 telescope corrections were flagged in sub-array 1.
!  A total of 159 telescope corrections were flagged in sub-array 2.
!  A total of 234 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 711 telescope corrections were flagged in sub-array 1.
!  A total of 159 telescope corrections were flagged in sub-array 2.
!  A total of 234 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 737 telescope corrections were flagged in sub-array 1.
!  A total of 162 telescope corrections were flagged in sub-array 2.
!  A total of 234 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.570075Jy  sigma=0.007789
! Fit after  self-cal, rms=0.569537Jy  sigma=0.007820
! 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=2.518 mas, bmaj=12.81 mas, bpa=-5.594 degrees
! Estimated noise=3532.27 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 = 0.31399 Jy
! Total flux subtracted in 50 components = 0.31399 Jy
! Clean residual min=-0.029284 max=0.087571 Jy/beam
! Clean residual mean=0.000314 rms=0.011375 Jy/beam
! Combined flux in latest and established models = 0.31399 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 0.31399 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.148248Jy  sigma=0.002003
! Fit after  self-cal, rms=0.148248Jy  sigma=0.002003
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.073614 Jy
! Total flux subtracted in 50 components = 0.073614 Jy
! Clean residual min=-0.019972 max=0.031097 Jy/beam
! Clean residual mean=0.000124 rms=0.006108 Jy/beam
! Combined flux in latest and established models = 0.387604 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 11 components and 0.387604 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.097280Jy  sigma=0.001315
! Fit after  self-cal, rms=0.097234Jy  sigma=0.001315
! 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=3.234 mas, bmaj=15.12 mas, bpa=-15.9 degrees
! Estimated noise=1825.71 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 = 0.0456921 Jy
! Component: 100  -  total flux cleaned = 0.0664328 Jy
! Total flux subtracted in 100 components = 0.0664328 Jy
! Clean residual min=-0.013305 max=0.013435 Jy/beam
! Clean residual mean=0.000006 rms=0.005727 Jy/beam
! Combined flux in latest and established models = 0.454037 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 44 model components to the UV plane model.
! The established model now contains 54 components and 0.454037 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.076648Jy  sigma=0.001035
! Fit after  self-cal, rms=0.076660Jy  sigma=0.001035
! 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 81 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        1.14     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        1.15     MC        1.00*    MK        0.97     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        1.00     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        0.97     KK        0.99     
!   KP        0.95     WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.00*    GC        0.00*    HH        0.00*    HN        0.00*    
!   LA        0.00*    MC        0.00*    MK        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   TS        0.00*    WF        0.00*    BR        0.00*    KK        0.00*    
!   KP        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   FD        0.00*    GC        0.00*    HH        0.00*    HN        0.00*    
!   LA        0.00*    MC        0.00*    MK        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   TS        0.00*    WF        0.00*    BR        0.00*    KK        0.00*    
!   KP        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 2.
!  A total of 93 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.96     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        0.99     MC        1.00*    MK        1.05     NY        1.00*    
!   ON        1.00*    OV        1.04     PT        1.00     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.01     KK        0.90     
!   KP        0.97     WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.00*    GC        0.00*    HH        0.00*    HN        0.00*    
!   LA        0.00*    MC        0.00*    MK        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   TS        0.00*    WF        0.00*    BR        0.00*    KK        0.00*    
!   KP        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   FD        0.00*    GC        0.00*    HH        0.00*    HN        0.00*    
!   LA        0.00*    MC        0.00*    MK        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   TS        0.00*    WF        0.00*    BR        0.00*    KK        0.00*    
!   KP        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 3.
!  A total of 105 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.94     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        0.93     MC        1.00*    MK        1.02     NY        1.00*    
!   ON        1.00*    OV        1.07     PT        1.02     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.04     KK        0.95     
!   KP        0.98     WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.00*    GC        0.00*    HH        0.00*    HN        0.00*    
!   LA        0.00*    MC        0.00*    MK        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   TS        0.00*    WF        0.00*    BR        0.00*    KK        0.00*    
!   KP        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   FD        0.00*    GC        0.00*    HH        0.00*    HN        0.00*    
!   LA        0.00*    MC        0.00*    MK        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   TS        0.00*    WF        0.00*    BR        0.00*    KK        0.00*    
!   KP        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 4.
!  A total of 84 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.92     GC        1.00*    HH        1.00*    HN        1.00*    
!   LA        0.89     MC        1.00*    MK        0.98     NY        1.00*    
!   ON        1.00*    OV        0.89     PT        1.15     SC        1.00*    
!   TS        1.00*    WF        1.00*    BR        1.05     KK        0.99     
!   KP        0.98     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   FD        0.00*    GC        0.00*    HH        0.00*    HN        0.00*    
!   LA        0.00*    MC        0.00*    MK        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   TS        0.00*    WF        0.00*    BR        0.00*    KK        0.00*    
!   KP        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   FD        0.00*    GC        0.00*    HH        0.00*    HN        0.00*    
!   LA        0.00*    MC        0.00*    MK        0.00*    NY        0.00*    
!   ON        0.00*    OV        0.00*    PT        0.00*    SC        0.00*    
!   TS        0.00*    WF        0.00*    BR        0.00*    KK        0.00*    
!   KP        0.00*    WZ        0.00*    
! 
! 
! Fit before self-cal, rms=0.076660Jy  sigma=0.001035
! Fit after  self-cal, rms=0.070209Jy  sigma=0.000970
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.342 mas, bmaj=16.98 mas, bpa=-9.328 degrees
! Estimated noise=2346.5 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 = 0.0044652 Jy
! Component: 100  -  total flux cleaned = 0.00481871 Jy
! Total flux subtracted in 100 components = 0.00481871 Jy
! Clean residual min=-0.006689 max=0.006714 Jy/beam
! Clean residual mean=-0.000106 rms=0.002120 Jy/beam
! Combined flux in latest and established models = 0.458856 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 65 components and 0.458856 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.069886Jy  sigma=0.000966
! Fit after  self-cal, rms=0.069915Jy  sigma=0.000966
! 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 = 0.000203524 Jy
! Component: 100  -  total flux cleaned = 0.000511115 Jy
! Total flux subtracted in 100 components = 0.000511115 Jy
! Clean residual min=-0.006581 max=0.006719 Jy/beam
! Clean residual mean=-0.000109 rms=0.002110 Jy/beam
! Combined flux in latest and established models = 0.459367 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 70 components and 0.459367 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.069865Jy  sigma=0.000965
! Fit after  self-cal, rms=0.069073Jy  sigma=0.000957
! Inverting map and beam 
! Estimated beam: bmin=3.329 mas, bmaj=17 mas, bpa=-9.359 degrees
! Estimated noise=2352.45 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 = 0.00296232 Jy
! Component: 100  -  total flux cleaned = 0.00295832 Jy
! Total flux subtracted in 100 components = 0.00295832 Jy
! Clean residual min=-0.006679 max=0.006372 Jy/beam
! Clean residual mean=-0.000094 rms=0.001920 Jy/beam
! Combined flux in latest and established models = 0.462325 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 73 components and 0.462325 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.068931Jy  sigma=0.000955
! Fit after  self-cal, rms=0.068941Jy  sigma=0.000955
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1657-261_S
! Writing UV FITS file: 1657-261_S.uvf
! Writing 73 model components to file: 1657-261_S.mod
! wwins: Wrote 1 windows to 1657-261_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.329 x 17 at -9.359 degrees (North through East)
! Clean map  min=-0.0066676  max=0.42264 Jy/beam
! Writing clean map to FITS file: 1657-261_S.fits
! Writing difmap environment to: 1657-261_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1657-261_S]
device 1657-261_Suv.ps/vps,1,2
! Attempting to open device: '1657-261_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1657-261_Sim.ps/vps
! Attempting to open device: '1657-261_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=3.329 mas, bmaj=17 mas, bpa=-9.359 degrees
! Estimated noise=2352.45 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.329 x 17 at -9.359 degrees (North through East)
! Clean map  min=-0.0066676  max=0.42264 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1657-261_S.log closed on Sat Feb  3 16:23:49 2007