! Started logfile: 0552+398_X.log on Sun Sep  2 11:16:54 2007
observe 0552+398_X.edt
! Reading UV FITS file: 0552+398_X.edt
! AN table 1: 27 integrations on 171 of 171 possible baselines.
! AN table 2: 15 integrations on 171 of 171 possible baselines.
! AN table 3: 63 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.212587 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0552+398
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! 
! 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 2125 lines of history.
! 
! Reading 15268 visibilities.
![@gonzo7-0.1 0552+398_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 = 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 0.100x0.100 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 230 telescope corrections were flagged in sub-array 1.
!  A total of 200 telescope corrections were flagged in sub-array 2.
!  A total of 893 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 230 telescope corrections were flagged in sub-array 1.
!  A total of 203 telescope corrections were flagged in sub-array 2.
!  A total of 893 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 230 telescope corrections were flagged in sub-array 1.
!  A total of 206 telescope corrections were flagged in sub-array 2.
!  A total of 894 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 230 telescope corrections were flagged in sub-array 1.
!  A total of 210 telescope corrections were flagged in sub-array 2.
!  A total of 893 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=2.375484Jy  sigma=0.040045
! Fit after  self-cal, rms=2.375787Jy  sigma=0.040056
! 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=0.6705 mas, bmaj=2.11 mas, bpa=-1.592 degrees
! Estimated noise=882.439 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 = 2.29753 Jy
! Total flux subtracted in 50 components = 2.29753 Jy
! Clean residual min=-0.194373 max=0.766011 Jy/beam
! Clean residual mean=0.001499 rms=0.069257 Jy/beam
! Combined flux in latest and established models = 2.29753 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 5 components and 2.29753 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.351780Jy  sigma=0.023254
! Fit after  self-cal, rms=1.351819Jy  sigma=0.023251
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.836115 Jy
! Total flux subtracted in 50 components = 0.836115 Jy
! Clean residual min=-0.114023 max=0.385994 Jy/beam
! Clean residual mean=0.001016 rms=0.040216 Jy/beam
! Combined flux in latest and established models = 3.13365 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 8 components and 3.13365 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.819672Jy  sigma=0.014156
! Fit after  self-cal, rms=0.817099Jy  sigma=0.014125
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.435776 Jy
! Total flux subtracted in 50 components = 0.435776 Jy
! Clean residual min=-0.086217 max=0.245081 Jy/beam
! Clean residual mean=0.000763 rms=0.027055 Jy/beam
! Combined flux in latest and established models = 3.56942 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 9 model components to the UV plane model.
! The established model now contains 15 components and 3.56942 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.583097Jy  sigma=0.009912
! Fit after  self-cal, rms=0.581701Jy  sigma=0.009896
! Inverting map 
! Added new window around map position (-0.9, 0.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.267038 Jy
! Total flux subtracted in 50 components = 0.267038 Jy
! Clean residual min=-0.072066 max=0.132753 Jy/beam
! Clean residual mean=0.000609 rms=0.020222 Jy/beam
! Combined flux in latest and established models = 3.83646 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 23 components and 3.83646 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.458277Jy  sigma=0.007643
! Fit after  self-cal, rms=0.455435Jy  sigma=0.007608
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.166421 Jy
! Total flux subtracted in 50 components = 0.166421 Jy
! Clean residual min=-0.061727 max=0.094880 Jy/beam
! Clean residual mean=0.000517 rms=0.016739 Jy/beam
! Combined flux in latest and established models = 4.00288 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 43 components and 4.00288 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.390607Jy  sigma=0.006414
! Fit after  self-cal, rms=0.389357Jy  sigma=0.006397
! 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=0.7757 mas, bmaj=2.239 mas, bpa=-3.755 degrees
! Estimated noise=444.197 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 = 0.184898 Jy
! Component: 100  -  total flux cleaned = 0.304053 Jy
! Total flux subtracted in 100 components = 0.304053 Jy
! Clean residual min=-0.066708 max=0.098834 Jy/beam
! Clean residual mean=0.000641 rms=0.021417 Jy/beam
! Combined flux in latest and established models = 4.30693 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 51 model components to the UV plane model.
! The established model now contains 79 components and 4.30693 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.306301Jy  sigma=0.004821
! Fit after  self-cal, rms=0.304423Jy  sigma=0.004790
! 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        1.00     FD        0.97     GC        1.00*    GG        1.00*    
!   HN        1.05     KP        0.94     LA        0.95     MA        1.00*    
!   MK        0.99     NL        1.10     NY        1.00*    ON        1.00*    
!   OV        0.97     PT        0.97     SC        1.01     TC        1.00*    
!   TS        1.00*    WF        1.15     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.97     FD        0.97     GC        1.07     GG        1.00*    
!   HN        0.97     KP        0.95     LA        0.97     MA        1.00*    
!   MK        1.00*    NL        1.09     NY        1.00*    ON        1.00*    
!   OV        0.97     PT        0.98     SC        1.03     TC        1.00*    
!   TS        1.00*    WF        1.04     WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.98     FD        0.96     GC        1.00*    GG        1.00*    
!   HN        0.93     KP        0.94     LA        0.95     MA        1.00*    
!   MK        0.97     NL        1.09     NY        1.00*    ON        1.00*    
!   OV        0.97     PT        0.98     SC        1.01     TC        1.00*    
!   TS        1.00*    WF        0.97     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        0.97     GC        1.00*    GG        1.00*    
!   HN        1.07     KP        0.90     LA        0.95     MA        1.00*    
!   MK        0.99     NL        1.06     NY        1.00*    ON        1.00*    
!   OV        0.97     PT        1.02     SC        0.97     TC        1.00*    
!   TS        1.00*    WF        1.21     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00     FD        0.97     GC        1.08     GG        1.00*    
!   HN        0.99     KP        0.90     LA        0.96     MA        1.00*    
!   MK        1.00*    NL        1.06     NY        1.00*    ON        1.00*    
!   OV        0.96     PT        1.02     SC        0.99     TC        1.00*    
!   TS        1.00*    WF        1.09     WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        0.97     GC        1.00*    GG        1.00*    
!   HN        0.94     KP        0.90     LA        0.95     MA        1.00*    
!   MK        0.98     NL        1.05     NY        1.00*    ON        1.00*    
!   OV        0.97     PT        1.02     SC        0.97     TC        1.00*    
!   TS        1.00*    WF        1.00     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.07     FD        0.97     GC        1.00*    GG        1.00*    
!   HN        1.09     KP        0.84     LA        0.97     MA        1.00*    
!   MK        1.01     NL        1.05     NY        1.00*    ON        1.00*    
!   OV        1.01     PT        1.06     SC        1.01     TC        1.00*    
!   TS        1.00*    WF        1.33     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        0.98     GC        1.11     GG        1.00*    
!   HN        1.00     KP        0.84     LA        0.99     MA        1.00*    
!   MK        1.00*    NL        1.05     NY        1.00*    ON        1.00*    
!   OV        1.01     PT        1.06     SC        1.03     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.05     FD        0.97     GC        1.00*    GG        1.00*    
!   HN        0.94     KP        0.84     LA        0.97     MA        1.00*    
!   MK        0.99     NL        1.04     NY        1.00*    ON        1.00*    
!   OV        1.02     PT        1.06     SC        1.01     TC        1.00*    
!   TS        1.00*    WF        1.10     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.05     FD        0.96     GC        1.00*    GG        1.00*    
!   HN        1.12     KP        0.90     LA        0.95     MA        1.00*    
!   MK        1.03     NL        1.07     NY        1.00*    ON        1.00*    
!   OV        1.01     PT        1.07     SC        1.06     TC        1.00*    
!   TS        1.00*    WF        1.37     WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        0.96     GC        1.13     GG        1.00*    
!   HN        1.01     KP        0.91     LA        0.97     MA        1.00*    
!   MK        1.00*    NL        1.06     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.06     SC        1.08     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.03     FD        0.96     GC        1.00*    GG        1.00*    
!   HN        0.97     KP        0.91     LA        0.96     MA        1.00*    
!   MK        1.01     NL        1.05     NY        1.00*    ON        1.00*    
!   OV        1.01     PT        1.07     SC        1.06     TC        1.00*    
!   TS        1.00*    WF        1.13     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.304423Jy  sigma=0.004790
! Fit after  self-cal, rms=0.106964Jy  sigma=0.001486
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7841 mas, bmaj=2.262 mas, bpa=-3.714 degrees
! Estimated noise=438.61 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 (-4, 0).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.014434 Jy
! Component: 100  -  total flux cleaned = 0.0125737 Jy
! Total flux subtracted in 100 components = 0.0125737 Jy
! Clean residual min=-0.011174 max=0.008787 Jy/beam
! Clean residual mean=-0.000279 rms=0.001912 Jy/beam
! Combined flux in latest and established models = 4.31951 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 94 components and 4.31951 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.103757Jy  sigma=0.001429
! Fit after  self-cal, rms=0.103562Jy  sigma=0.001426
! 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 = -3.66223e-05 Jy
! Component: 100  -  total flux cleaned = -0.00172001 Jy
! Total flux subtracted in 100 components = -0.00172001 Jy
! Clean residual min=-0.010397 max=0.007651 Jy/beam
! Clean residual mean=-0.000275 rms=0.001769 Jy/beam
! Combined flux in latest and established models = 4.31779 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 99 components and 4.31779 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.102302Jy  sigma=0.001405
! Fit after  self-cal, rms=0.099674Jy  sigma=0.001360
! Inverting map and beam 
! Estimated beam: bmin=0.7836 mas, bmaj=2.261 mas, bpa=-3.666 degrees
! Estimated noise=438.573 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 = 0.00438557 Jy
! Component: 100  -  total flux cleaned = 0.00275545 Jy
! Total flux subtracted in 100 components = 0.00275545 Jy
! Clean residual min=-0.009156 max=0.006354 Jy/beam
! Clean residual mean=-0.000223 rms=0.001569 Jy/beam
! Combined flux in latest and established models = 4.32054 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 107 components and 4.32054 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.098661Jy  sigma=0.001342
! Fit after  self-cal, rms=0.098518Jy  sigma=0.001341
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0552+398_X
! Writing UV FITS file: 0552+398_X.uvf
! Writing 107 model components to file: 0552+398_X.mod
! wwins: Wrote 3 windows to 0552+398_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7836 x 2.261 at -3.666 degrees (North through East)
! Clean map  min=-0.010531  max=3.0798 Jy/beam
! Writing clean map to FITS file: 0552+398_X.fits
! Writing difmap environment to: 0552+398_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0552+398_X]
device 0552+398_Xuv.ps/vps,1,2
! Attempting to open device: '0552+398_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0552+398_Xim.ps/vps
! Attempting to open device: '0552+398_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=0.7836 mas, bmaj=2.261 mas, bpa=-3.666 degrees
! Estimated noise=438.573 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7836 x 2.261 at -3.666 degrees (North through East)
! Clean map  min=-0.010531  max=3.0798 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.1]
quit
! Quitting program
! Log file 0552+398_X.log closed on Sun Sep  2 11:17:02 2007