! Started logfile: 1739+522_X.log on Tue Aug  2 15:25:09 2005
observe 1739+522_X.edt
! Reading UV FITS file: 1739+522_X.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  8.40997e+09        8e+06          1        8e+06
!  02        2  8.47997e+09        8e+06          1        8e+06
!  03        3  8.79497e+09        8e+06          1        8e+06
!  04        4  8.89997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1819 lines of history.
! 
! Reading 11636 visibilities.
![@gonzo8-0.1 1739+522_X]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.1
integer clean_niter
clean_niter = 50
float clean_gain
clean_gain = 0.03
float dynam
dynam = 8.0
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 0.100x0.100 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 1332 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 919 telescope corrections were flagged in sub-array 2.
!  A total of 1329 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 1329 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 920 telescope corrections were flagged in sub-array 2.
!  A total of 1333 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.321407Jy  sigma=0.005111
! Fit after  self-cal, rms=0.321336Jy  sigma=0.005111
! 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=0.8315 mas, bmaj=1.277 mas, bpa=-41.77 degrees
! Estimated noise=847.124 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 = 0.514103 Jy
! Total flux subtracted in 50 components = 0.514103 Jy
! Clean residual min=-0.029046 max=0.143480 Jy/beam
! Clean residual mean=-0.000293 rms=0.009631 Jy/beam
! Combined flux in latest and established models = 0.514103 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 0.514103 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.240678Jy  sigma=0.004400
! Fit after  self-cal, rms=0.240678Jy  sigma=0.004400
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.134502 Jy
! Total flux subtracted in 50 components = 0.134502 Jy
! Clean residual min=-0.015910 max=0.059573 Jy/beam
! Clean residual mean=-0.000174 rms=0.005577 Jy/beam
! Combined flux in latest and established models = 0.648605 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 23 components and 0.648605 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.148457Jy  sigma=0.002666
! Fit after  self-cal, rms=0.148435Jy  sigma=0.002666
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0676631 Jy
! Total flux subtracted in 50 components = 0.0676631 Jy
! Clean residual min=-0.012548 max=0.032897 Jy/beam
! Clean residual mean=-0.000112 rms=0.003936 Jy/beam
! Combined flux in latest and established models = 0.716268 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 30 components and 0.716268 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.115914Jy  sigma=0.001990
! Fit after  self-cal, rms=0.115875Jy  sigma=0.001989
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0382769 Jy
! Total flux subtracted in 50 components = 0.0382769 Jy
! Clean residual min=-0.010890 max=0.020310 Jy/beam
! Clean residual mean=-0.000078 rms=0.003221 Jy/beam
! Combined flux in latest and established models = 0.754545 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 14 model components to the UV plane model.
! The established model now contains 41 components and 0.754545 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.103676Jy  sigma=0.001702
! Fit after  self-cal, rms=0.103651Jy  sigma=0.001701
! 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=1.223 mas, bmaj=1.729 mas, bpa=-52.18 degrees
! Estimated noise=500.012 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 = 0.0346059 Jy
! Component: 100  -  total flux cleaned = 0.0512748 Jy
! Total flux subtracted in 100 components = 0.0512748 Jy
! Clean residual min=-0.009241 max=0.011224 Jy/beam
! Clean residual mean=-0.000034 rms=0.002843 Jy/beam
! Combined flux in latest and established models = 0.80582 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 52 components and 0.80582 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.095275Jy  sigma=0.001480
! Fit after  self-cal, rms=0.095252Jy  sigma=0.001480
! 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 18 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        0.95     KK        1.00*    KP        0.97     LA        0.97     
!   MC        1.00*    MK        1.01     NL        0.96     NY        1.00*    
!   ON        1.00*    OV        0.97     PT        0.98     SC        1.09     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 9 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.97     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        1.09     KK        1.00*    KP        1.01     LA        1.03     
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.96     SC        1.01     
!   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 18 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        0.95     KK        1.00*    KP        0.96     LA        0.97     
!   MC        1.00*    MK        1.03     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.98     SC        1.15     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 12 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.99     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        1.10     KK        1.00*    KP        1.00     LA        1.03     
!   MC        1.00*    MK        1.00*    NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.99     PT        0.94     SC        1.02     
!   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        0.99     FD        1.00     GC        1.00*    HH        1.00*    
!   HN        0.97     KK        1.00*    KP        0.97     LA        0.97     
!   MC        1.00*    MK        1.01     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        1.00     SC        1.14     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 12 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.99     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        1.07     KK        1.00*    KP        1.00     LA        1.06     
!   MC        1.00*    MK        1.00*    NL        0.96     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        1.01     SC        1.11     
!   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 21 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        1.00     GC        1.00*    HH        1.00*    
!   HN        0.96     KK        1.00*    KP        0.99     LA        0.97     
!   MC        1.00*    MK        1.02     NL        0.97     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        0.99     SC        1.17     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 12 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.97     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.15     KK        1.00*    KP        1.02     LA        1.04     
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.00*    
!   ON        1.00*    OV        1.00     PT        0.96     SC        1.09     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.095252Jy  sigma=0.001480
! Fit after  self-cal, rms=0.086837Jy  sigma=0.001307
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.233 mas, bmaj=1.756 mas, bpa=-52 degrees
! Estimated noise=502.523 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 = -0.00693286 Jy
! Component: 100  -  total flux cleaned = -0.00761726 Jy
! Total flux subtracted in 100 components = -0.00761726 Jy
! Clean residual min=-0.006422 max=0.006849 Jy/beam
! Clean residual mean=-0.000067 rms=0.001840 Jy/beam
! Combined flux in latest and established models = 0.798202 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 57 components and 0.798202 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.086185Jy  sigma=0.001301
! Fit after  self-cal, rms=0.086156Jy  sigma=0.001300
! 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 = -0.000328031 Jy
! Component: 100  -  total flux cleaned = -0.000326255 Jy
! Total flux subtracted in 100 components = -0.000326255 Jy
! Clean residual min=-0.006395 max=0.006701 Jy/beam
! Clean residual mean=-0.000068 rms=0.001827 Jy/beam
! Combined flux in latest and established models = 0.797876 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 59 components and 0.797876 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.086055Jy  sigma=0.001298
! Fit after  self-cal, rms=0.077851Jy  sigma=0.001155
! Inverting map and beam 
! Estimated beam: bmin=1.234 mas, bmaj=1.759 mas, bpa=-52.11 degrees
! Estimated noise=502.628 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 = -0.000212135 Jy
! Component: 100  -  total flux cleaned = -0.000153853 Jy
! Total flux subtracted in 100 components = -0.000153853 Jy
! Clean residual min=-0.003300 max=0.005449 Jy/beam
! Clean residual mean=-0.000082 rms=0.000960 Jy/beam
! Combined flux in latest and established models = 0.797722 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 63 components and 0.797722 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.077795Jy  sigma=0.001154
! Fit after  self-cal, rms=0.077796Jy  sigma=0.001154
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1739+522_X
! Writing UV FITS file: 1739+522_X.uvf
! Writing 63 model components to file: 1739+522_X.mod
! wwins: Wrote 1 windows to 1739+522_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.234 x 1.759 at -52.11 degrees (North through East)
! Clean map  min=-0.0032572  max=0.706 Jy/beam
! Writing clean map to FITS file: 1739+522_X.fits
! Writing difmap environment to: 1739+522_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1739+522_X]
device 1739+522_Xuv.ps/vps,1,2
! Attempting to open device: '1739+522_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1739+522_Xim.ps/vps
! Attempting to open device: '1739+522_Xim.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=1.234 mas, bmaj=1.759 mas, bpa=-52.11 degrees
! Estimated noise=502.628 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.234 x 1.759 at -52.11 degrees (North through East)
! Clean map  min=-0.0032572  max=0.706 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 1739+522_X.log closed on Tue Aug  2 15:25:50 2005