! Started logfile: 2254+074_S.log on Mon Jun 23 12:02:11 2008
observe 2254+074_S.edt
! Reading UV FITS file: 2254+074_S.edt
! AN table 1: 18 integrations on 190 of 190 possible baselines.
! AN table 2: 91 integrations on 190 of 190 possible baselines.
! AN table 3: 25 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.132011 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 2254+074
! 
! 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 1901 lines of history.
! 
! Reading 13444 visibilities.
![@gonzo6-0.4 2254+074_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 360 telescope corrections were flagged in sub-array 1.
!  A total of 1382 telescope corrections were flagged in sub-array 2.
!  A total of 351 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 360 telescope corrections were flagged in sub-array 1.
!  A total of 1379 telescope corrections were flagged in sub-array 2.
!  A total of 351 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 360 telescope corrections were flagged in sub-array 1.
!  A total of 1382 telescope corrections were flagged in sub-array 2.
!  A total of 351 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 360 telescope corrections were flagged in sub-array 1.
!  A total of 1379 telescope corrections were flagged in sub-array 2.
!  A total of 351 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.801705Jy  sigma=15.791599
! Fit after  self-cal, rms=0.800989Jy  sigma=15.794610
! 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=2.203 mas, bmaj=5.311 mas, bpa=-3.574 degrees
! Estimated noise=0.719173 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 = 0.151841 Jy
! Total flux subtracted in 50 components = 0.151841 Jy
! Clean residual min=-0.015043 max=0.057643 Jy/beam
! Clean residual mean=0.000001 rms=0.004677 Jy/beam
! Combined flux in latest and established models = 0.151841 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 6 components and 0.151841 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.141750Jy  sigma=2.379336
! Fit after  self-cal, rms=0.141554Jy  sigma=2.377783
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.062095 Jy
! Total flux subtracted in 50 components = 0.062095 Jy
! Clean residual min=-0.010393 max=0.027638 Jy/beam
! Clean residual mean=-0.000008 rms=0.002899 Jy/beam
! Combined flux in latest and established models = 0.213936 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 4 model components to the UV plane model.
! The established model now contains 7 components and 0.213936 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.115462Jy  sigma=1.733298
! Fit after  self-cal, rms=0.115079Jy  sigma=1.727896
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0315817 Jy
! Total flux subtracted in 50 components = 0.0315817 Jy
! Clean residual min=-0.008052 max=0.016094 Jy/beam
! Clean residual mean=-0.000013 rms=0.002214 Jy/beam
! Combined flux in latest and established models = 0.245518 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 14 components and 0.245518 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107503Jy  sigma=1.538353
! Fit after  self-cal, rms=0.107395Jy  sigma=1.536338
! Inverting map 
! Added new window around map position (-2.4, 0).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0187366 Jy
! Total flux subtracted in 50 components = 0.0187366 Jy
! Clean residual min=-0.006878 max=0.010982 Jy/beam
! Clean residual mean=-0.000015 rms=0.001931 Jy/beam
! Combined flux in latest and established models = 0.264254 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 17 components and 0.264254 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.104807Jy  sigma=1.475579
! Fit after  self-cal, rms=0.104760Jy  sigma=1.474674
! 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=2.879 mas, bmaj=6.184 mas, bpa=-1.856 degrees
! Estimated noise=0.421803 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 = 0.0116926 Jy
! Component: 100  -  total flux cleaned = 0.0172817 Jy
! Total flux subtracted in 100 components = 0.0172817 Jy
! Clean residual min=-0.006380 max=0.007242 Jy/beam
! Clean residual mean=-0.000041 rms=0.001300 Jy/beam
! Combined flux in latest and established models = 0.281536 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 21 model components to the UV plane model.
! The established model now contains 33 components and 0.281536 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.103534Jy  sigma=1.446425
! Fit after  self-cal, rms=0.103440Jy  sigma=1.444382
! 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        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        0.00*    MC        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    ON        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  A total of 24 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.97     FD        1.01     GC        0.91     HH        1.00*    
!   HN        0.99     KK        0.94     KP        0.94     LA        1.01     
!   MA        1.00*    MC        1.00*    MK        1.03     NL        0.97     
!   NY        1.00*    ON        1.00*    OV        1.03     PT        0.99     
!   SC        0.80     TS        1.00*    WF        0.89     WZ        1.00*    
! 
!  A total of 18 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.88     FD        0.92     GC        0.91     HH        1.00*    
!   HN        1.00*    KK        0.85     KP        0.94     LA        0.78     
!   MA        1.00*    MC        1.00*    MK        0.69     NL        0.98     
!   NY        1.00*    ON        1.00*    OV        1.00     PT        0.82     
!   SC        1.00*    TS        1.02     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        0.00*    MC        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    ON        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  A total of 27 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.99     FD        1.02     GC        1.17     HH        1.00*    
!   HN        1.18     KK        1.11     KP        1.00     LA        1.06     
!   MA        1.00*    MC        1.00*    MK        0.97     NL        1.09     
!   NY        1.00*    ON        1.00*    OV        1.01     PT        0.94     
!   SC        1.08     TS        1.00*    WF        1.04     WZ        1.00*    
! 
!  A total of 18 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.86     FD        0.89     GC        0.90     HH        1.00*    
!   HN        1.00*    KK        0.68     KP        0.95     LA        0.86     
!   MA        1.00*    MC        1.00*    MK        0.83     NL        0.94     
!   NY        1.00*    ON        1.00*    OV        1.04     PT        0.81     
!   SC        1.00*    TS        0.92     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        0.00*    MC        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    ON        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  A total of 24 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.90     FD        1.02     GC        1.15     HH        1.00*    
!   HN        1.07     KK        1.09     KP        1.08     LA        1.01     
!   MA        1.00*    MC        1.00*    MK        1.14     NL        1.01     
!   NY        1.00*    ON        1.00*    OV        1.03     PT        1.07     
!   SC        0.91     TS        1.00*    WF        1.10     WZ        1.00*    
! 
!  A total of 18 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.81     FD        0.96     GC        1.00     HH        1.00*    
!   HN        1.00*    KK        0.61     KP        1.01     LA        0.95     
!   MA        1.00*    MC        1.00*    MK        0.98     NL        0.80     
!   NY        1.00*    ON        1.00*    OV        0.87     PT        0.95     
!   SC        1.00*    TS        0.88     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        0.00*    MC        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    ON        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  A total of 27 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.93     FD        1.00     GC        1.10     HH        1.00*    
!   HN        1.15     KK        1.05     KP        1.04     LA        1.03     
!   MA        1.00*    MC        1.00*    MK        1.08     NL        1.05     
!   NY        1.00*    ON        1.00*    OV        1.06     PT        1.05     
!   SC        1.01     TS        1.00*    WF        1.01     WZ        1.00*    
! 
!  A total of 18 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.92     FD        0.92     GC        0.89     HH        1.00*    
!   HN        1.00*    KK        0.55     KP        0.94     LA        1.03     
!   MA        1.00*    MC        1.00*    MK        1.09     NL        0.85     
!   NY        1.00*    ON        1.00*    OV        0.91     PT        0.90     
!   SC        1.00*    TS        0.76     WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.103440Jy  sigma=1.444382
! Fit after  self-cal, rms=0.090212Jy  sigma=1.306648
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.889 mas, bmaj=6.245 mas, bpa=-1.558 degrees
! Estimated noise=0.413613 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 = -0.000182963 Jy
! Component: 100  -  total flux cleaned = -0.00038722 Jy
! Total flux subtracted in 100 components = -0.00038722 Jy
! Clean residual min=-0.002310 max=0.003263 Jy/beam
! Clean residual mean=0.000048 rms=0.000657 Jy/beam
! Combined flux in latest and established models = 0.281149 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 45 components and 0.281149 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.090090Jy  sigma=1.305853
! Fit after  self-cal, rms=0.090069Jy  sigma=1.305390
! 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 (-21.6, -13.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00290453 Jy
! Component: 100  -  total flux cleaned = 0.00400968 Jy
! Total flux subtracted in 100 components = 0.00400968 Jy
! Clean residual min=-0.002348 max=0.002517 Jy/beam
! Clean residual mean=0.000045 rms=0.000600 Jy/beam
! Combined flux in latest and established models = 0.285158 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 61 components and 0.285158 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.089966Jy  sigma=1.303795
! Fit after  self-cal, rms=0.089764Jy  sigma=1.269640
! Inverting map and beam 
! Estimated beam: bmin=2.898 mas, bmaj=6.224 mas, bpa=-1.573 degrees
! Estimated noise=0.412194 mJy/beam.
! Added new window around map position (-11.2, -3.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0020227 Jy
! Component: 100  -  total flux cleaned = 0.00288 Jy
! Total flux subtracted in 100 components = 0.00288 Jy
! Clean residual min=-0.002070 max=0.002225 Jy/beam
! Clean residual mean=0.000039 rms=0.000523 Jy/beam
! Combined flux in latest and established models = 0.288038 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 77 components and 0.288038 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.089674Jy  sigma=1.268321
! Fit after  self-cal, rms=0.089547Jy  sigma=1.263235
! Inverting map and beam 
! Estimated beam: bmin=2.893 mas, bmaj=6.219 mas, bpa=-1.576 degrees
! Estimated noise=0.410075 mJy/beam.
! Added new window around map position (-64.8, 44).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000718884 Jy
! Component: 100  -  total flux cleaned = 0.0017216 Jy
! Total flux subtracted in 100 components = 0.0017216 Jy
! Clean residual min=-0.001954 max=0.001796 Jy/beam
! Clean residual mean=0.000032 rms=0.000496 Jy/beam
! Combined flux in latest and established models = 0.28976 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 87 components and 0.28976 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.089473Jy  sigma=1.262398
! Fit after  self-cal, rms=0.089448Jy  sigma=1.261183
! Inverting map and beam 
! Estimated beam: bmin=2.891 mas, bmaj=6.218 mas, bpa=-1.576 degrees
! Estimated noise=0.408342 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 = -0.000277837 Jy
! Component: 100  -  total flux cleaned = 0.000143428 Jy
! Total flux subtracted in 100 components = 0.000143428 Jy
! Clean residual min=-0.001924 max=0.001730 Jy/beam
! Clean residual mean=0.000030 rms=0.000484 Jy/beam
! Combined flux in latest and established models = 0.289903 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 21 model components to the UV plane model.
! The established model now contains 96 components and 0.289903 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.089397Jy  sigma=1.260927
! Fit after  self-cal, rms=0.089402Jy  sigma=1.260000
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 2254+074_S
! Writing UV FITS file: 2254+074_S.uvf
! Writing 96 model components to file: 2254+074_S.mod
! wwins: Wrote 5 windows to 2254+074_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.891 x 6.218 at -1.576 degrees (North through East)
! Clean map  min=-0.001932  max=0.19435 Jy/beam
! Writing clean map to FITS file: 2254+074_S.fits
! Writing difmap environment to: 2254+074_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 2254+074_S]
device 2254+074_Suv.ps/vps,1,2
! Attempting to open device: '2254+074_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 2254+074_Sim.ps/vps
! Attempting to open device: '2254+074_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=2.891 mas, bmaj=6.218 mas, bpa=-1.576 degrees
! Estimated noise=0.408342 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.891 x 6.218 at -1.576 degrees (North through East)
! Clean map  min=-0.001932  max=0.19435 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.4]
quit
! Quitting program
! Log file 2254+074_S.log closed on Mon Jun 23 12:02:23 2008