! Started logfile: 0119+041_S.log on Thu Aug 11 15:15:51 2005
observe 0119+041_S.edt
! Reading UV FITS file: 0119+041_S.edt
! AN table 1: 66 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.133705 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0119+041
! 
! 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 6036 visibilities.
![@gonzo7-0.4 0119+041_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 968 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 968 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 985 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 973 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.208512Jy  sigma=0.003415
! Fit after  self-cal, rms=0.208370Jy  sigma=0.003409
! 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=4.082 mas, bmaj=6.687 mas, bpa=7.353 degrees
! Estimated noise=1185.31 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 = 0.896937 Jy
! Total flux subtracted in 50 components = 0.896937 Jy
! Clean residual min=-0.056689 max=0.250160 Jy/beam
! Clean residual mean=-0.000168 rms=0.020578 Jy/beam
! Combined flux in latest and established models = 0.896937 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 0.896937 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.297674Jy  sigma=0.004848
! Fit after  self-cal, rms=0.297674Jy  sigma=0.004848
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.200154 Jy
! Total flux subtracted in 50 components = 0.200154 Jy
! Clean residual min=-0.021538 max=0.067656 Jy/beam
! Clean residual mean=-0.000054 rms=0.008594 Jy/beam
! Combined flux in latest and established models = 1.09709 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 1.09709 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.140435Jy  sigma=0.002342
! Fit after  self-cal, rms=0.140429Jy  sigma=0.002342
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0677039 Jy
! Total flux subtracted in 50 components = 0.0677039 Jy
! Clean residual min=-0.018597 max=0.034516 Jy/beam
! Clean residual mean=-0.000017 rms=0.006029 Jy/beam
! Combined flux in latest and established models = 1.16479 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 16 components and 1.16479 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108703Jy  sigma=0.001842
! Fit after  self-cal, rms=0.108680Jy  sigma=0.001841
! 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=4.815 mas, bmaj=8.489 mas, bpa=17.02 degrees
! Estimated noise=700.878 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 (38.8, -50.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0374267 Jy
! Component: 100  -  total flux cleaned = 0.0434089 Jy
! Total flux subtracted in 100 components = 0.0434089 Jy
! Clean residual min=-0.012997 max=0.025003 Jy/beam
! Clean residual mean=0.000001 rms=0.003889 Jy/beam
! Combined flux in latest and established models = 1.2082 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 32 components and 1.2082 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.097118Jy  sigma=0.001636
! Fit after  self-cal, rms=0.096788Jy  sigma=0.001631
! 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        0.97     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        0.97     KK        1.00*    KP        0.98     LA        0.99     
!   MC        1.00*    MK        1.03     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        1.00     SC        0.85     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        1.03     GC        1.00*    HH        1.00*    
!   HN        0.98     KK        1.00*    KP        0.99     LA        0.98     
!   MC        1.00*    MK        1.00     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        0.99     SC        1.06     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        1.05     KK        1.00*    KP        0.99     LA        1.03     
!   MC        1.00*    MK        1.04     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        0.99     SC        1.10     
!   TS        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        1.00     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        1.02     KK        1.00*    KP        1.01     LA        1.00     
!   MC        1.00*    MK        1.00*    NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.99     SC        1.12     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.096788Jy  sigma=0.001631
! Fit after  self-cal, rms=0.075650Jy  sigma=0.001218
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=4.849 mas, bmaj=8.531 mas, bpa=16.8 degrees
! Estimated noise=695.643 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 = -0.000431881 Jy
! Component: 100  -  total flux cleaned = -2.8192e-05 Jy
! Total flux subtracted in 100 components = -2.8192e-05 Jy
! Clean residual min=-0.004680 max=0.004370 Jy/beam
! Clean residual mean=0.000030 rms=0.001183 Jy/beam
! Combined flux in latest and established models = 1.20818 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 42 components and 1.20818 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.075330Jy  sigma=0.001213
! Fit after  self-cal, rms=0.075319Jy  sigma=0.001212
! 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 = -0.000420574 Jy
! Component: 100  -  total flux cleaned = -4.33994e-05 Jy
! Total flux subtracted in 100 components = -4.33994e-05 Jy
! Clean residual min=-0.004496 max=0.004219 Jy/beam
! Clean residual mean=0.000031 rms=0.001139 Jy/beam
! Combined flux in latest and established models = 1.20813 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 49 components and 1.20813 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.075183Jy  sigma=0.001210
! Fit after  self-cal, rms=0.073482Jy  sigma=0.001184
! Inverting map and beam 
! Estimated beam: bmin=4.85 mas, bmaj=8.533 mas, bpa=16.75 degrees
! Estimated noise=695.387 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 = 9.74527e-06 Jy
! Component: 100  -  total flux cleaned = 0.000224136 Jy
! Total flux subtracted in 100 components = 0.000224136 Jy
! Clean residual min=-0.003932 max=0.003748 Jy/beam
! Clean residual mean=0.000028 rms=0.000984 Jy/beam
! Combined flux in latest and established models = 1.20836 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 59 components and 1.20836 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.073396Jy  sigma=0.001182
! Fit after  self-cal, rms=0.073393Jy  sigma=0.001182
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0119+041_S
! Writing UV FITS file: 0119+041_S.uvf
! Writing 59 model components to file: 0119+041_S.mod
! wwins: Wrote 2 windows to 0119+041_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.85 x 8.533 at 16.75 degrees (North through East)
! Clean map  min=-0.003862  max=1.1433 Jy/beam
! Writing clean map to FITS file: 0119+041_S.fits
! Writing difmap environment to: 0119+041_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0119+041_S]
device 0119+041_Suv.ps/vps,1,2
! Attempting to open device: '0119+041_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0119+041_Sim.ps/vps
! Attempting to open device: '0119+041_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=4.85 mas, bmaj=8.533 mas, bpa=16.75 degrees
! Estimated noise=695.387 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.85 x 8.533 at 16.75 degrees (North through East)
! Clean map  min=-0.003862  max=1.1433 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0119+041_S.log closed on Thu Aug 11 15:16:11 2005