! Started logfile: 1739+522_S.log on Fri Aug 19 11:52:30 2005
observe 1739+522_S.edt
! Reading UV FITS file: 1739+522_S.edt
! AN table 1: 8 integrations on 171 of 171 possible baselines.
! AN table 2: 63 integrations on 171 of 171 possible baselines.
! AN table 3: 89 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.106323 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1739+522
! 
! 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 1566 lines of history.
! 
! Reading 11636 visibilities.
![@gonzo7-0.4 1739+522_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 152 telescope corrections were flagged in sub-array 1.
!  A total of 919 telescope corrections were flagged in sub-array 2.
!  A total of 1334 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 152 telescope corrections were flagged in sub-array 1.
!  A total of 922 telescope corrections were flagged in sub-array 2.
!  A total of 1334 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 152 telescope corrections were flagged in sub-array 1.
!  A total of 922 telescope corrections were flagged in sub-array 2.
!  A total of 1374 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 152 telescope corrections were flagged in sub-array 1.
!  A total of 936 telescope corrections were flagged in sub-array 2.
!  A total of 1334 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.165374Jy  sigma=0.002768
! Fit after  self-cal, rms=0.164349Jy  sigma=0.002763
! 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=3.255 mas, bmaj=4.871 mas, bpa=-40.83 degrees
! Estimated noise=991.355 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 = 0.831566 Jy
! Total flux subtracted in 50 components = 0.831566 Jy
! Clean residual min=-0.038196 max=0.231949 Jy/beam
! Clean residual mean=-0.000151 rms=0.012206 Jy/beam
! Combined flux in latest and established models = 0.831566 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 0.831566 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.295052Jy  sigma=0.004995
! Fit after  self-cal, rms=0.295052Jy  sigma=0.004995
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.182533 Jy
! Total flux subtracted in 50 components = 0.182533 Jy
! Clean residual min=-0.017068 max=0.056872 Jy/beam
! Clean residual mean=-0.000072 rms=0.005685 Jy/beam
! Combined flux in latest and established models = 1.0141 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 1.0141 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.156736Jy  sigma=0.002624
! Fit after  self-cal, rms=0.156723Jy  sigma=0.002623
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0610435 Jy
! Total flux subtracted in 50 components = 0.0610435 Jy
! Clean residual min=-0.014679 max=0.029791 Jy/beam
! Clean residual mean=-0.000048 rms=0.004488 Jy/beam
! Combined flux in latest and established models = 1.07514 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 22 model components to the UV plane model.
! The established model now contains 28 components and 1.07514 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.130456Jy  sigma=0.002126
! Fit after  self-cal, rms=0.130379Jy  sigma=0.002124
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0365265 Jy
! Total flux subtracted in 50 components = 0.0365265 Jy
! Clean residual min=-0.013860 max=0.020129 Jy/beam
! Clean residual mean=-0.000035 rms=0.003957 Jy/beam
! Combined flux in latest and established models = 1.11167 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 33 components and 1.11167 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119309Jy  sigma=0.001915
! Fit after  self-cal, rms=0.119253Jy  sigma=0.001914
! 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=4.616 mas, bmaj=6.464 mas, bpa=-48.96 degrees
! Estimated noise=550.886 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 = 0.036669 Jy
! Component: 100  -  total flux cleaned = 0.0549673 Jy
! Total flux subtracted in 100 components = 0.0549673 Jy
! Clean residual min=-0.010251 max=0.013852 Jy/beam
! Clean residual mean=-0.000057 rms=0.003025 Jy/beam
! Combined flux in latest and established models = 1.16664 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 48 components and 1.16664 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.110275Jy  sigma=0.001725
! Fit after  self-cal, rms=0.110198Jy  sigma=0.001723
! 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*    
!   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 15 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.97     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        0.94     KK        1.00*    KP        0.94     LA        0.97     
!   MC        1.00*    MK        1.00     NL        0.98     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        0.97     SC        0.91     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.98     FD        1.00     GC        1.00*    HH        1.00*    
!   HN        1.06     KK        1.00*    KP        1.02     LA        1.00     
!   MC        1.00*    MK        1.00*    NL        0.99     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        1.02     SC        1.02     
!   TS        1.00*    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*    
!   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 15 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.97     FD        1.00     GC        1.00*    HH        1.00*    
!   HN        0.97     KK        1.00*    KP        0.98     LA        0.97     
!   MC        1.00*    MK        0.98     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        0.98     SC        1.13     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        1.06     KK        1.00*    KP        0.97     LA        0.99     
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        0.99     SC        1.01     
!   TS        1.00*    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*    
!   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 15 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.96     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        1.03     KK        1.00*    KP        0.98     LA        1.00     
!   MC        1.00*    MK        1.02     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        0.98     SC        1.18     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 27 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.06     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.01     KK        1.00*    KP        1.02     LA        1.21     
!   MC        1.00*    MK        1.00*    NL        1.04     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        0.99     SC        0.97     
!   TS        1.00*    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*    
!   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 18 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        0.97     GC        1.00*    HH        1.00*    
!   HN        1.01     KK        1.00*    KP        1.00     LA        0.99     
!   MC        1.00*    MK        1.02     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.99     SC        1.23     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.05     FD        1.00     GC        1.00*    HH        1.00*    
!   HN        1.05     KK        1.00*    KP        1.04     LA        0.98     
!   MC        1.00*    MK        1.00*    NL        1.02     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.98     SC        1.00     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.110198Jy  sigma=0.001723
! Fit after  self-cal, rms=0.092170Jy  sigma=0.001379
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=4.643 mas, bmaj=6.498 mas, bpa=-48.81 degrees
! Estimated noise=553.574 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 = -0.00496055 Jy
! Component: 100  -  total flux cleaned = -0.00610307 Jy
! Total flux subtracted in 100 components = -0.00610307 Jy
! Clean residual min=-0.005756 max=0.006792 Jy/beam
! Clean residual mean=-0.000036 rms=0.001627 Jy/beam
! Combined flux in latest and established models = 1.16053 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 53 components and 1.16053 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.091727Jy  sigma=0.001371
! Fit after  self-cal, rms=0.091691Jy  sigma=0.001370
! 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 = -0.000622031 Jy
! Component: 100  -  total flux cleaned = -0.00123592 Jy
! Total flux subtracted in 100 components = -0.00123592 Jy
! Clean residual min=-0.005562 max=0.006579 Jy/beam
! Clean residual mean=-0.000039 rms=0.001610 Jy/beam
! Combined flux in latest and established models = 1.1593 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 54 components and 1.1593 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.091535Jy  sigma=0.001366
! Fit after  self-cal, rms=0.082714Jy  sigma=0.001200
! Inverting map and beam 
! Estimated beam: bmin=4.645 mas, bmaj=6.501 mas, bpa=-48.86 degrees
! Estimated noise=553.431 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 = 0.000978339 Jy
! Component: 100  -  total flux cleaned = 0.000686139 Jy
! Total flux subtracted in 100 components = 0.000686139 Jy
! Clean residual min=-0.003215 max=0.004326 Jy/beam
! Clean residual mean=-0.000050 rms=0.000879 Jy/beam
! Combined flux in latest and established models = 1.15998 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 58 components and 1.15998 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.082562Jy  sigma=0.001198
! Fit after  self-cal, rms=0.082546Jy  sigma=0.001198
! Inverting map 
! Added new window around map position (1.2, 11.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00386547 Jy
! Component: 100  -  total flux cleaned = 0.00495848 Jy
! Total flux subtracted in 100 components = 0.00495848 Jy
! Clean residual min=-0.002941 max=0.003471 Jy/beam
! Clean residual mean=-0.000041 rms=0.000794 Jy/beam
! Combined flux in latest and established models = 1.16494 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 76 components and 1.16494 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.082338Jy  sigma=0.001194
! Fit after  self-cal, rms=0.082313Jy  sigma=0.001193
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1739+522_S
! Writing UV FITS file: 1739+522_S.uvf
! Writing 76 model components to file: 1739+522_S.mod
! wwins: Wrote 2 windows to 1739+522_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.645 x 6.501 at -48.86 degrees (North through East)
! Clean map  min=-0.0028406  max=1.0843 Jy/beam
! Writing clean map to FITS file: 1739+522_S.fits
! Writing difmap environment to: 1739+522_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1739+522_S]
device 1739+522_Suv.ps/vps,1,2
! Attempting to open device: '1739+522_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1739+522_Sim.ps/vps
! Attempting to open device: '1739+522_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=4.645 mas, bmaj=6.501 mas, bpa=-48.86 degrees
! Estimated noise=553.431 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.645 x 6.501 at -48.86 degrees (North through East)
! Clean map  min=-0.0028406  max=1.0843 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1739+522_S.log closed on Fri Aug 19 11:53:26 2005