! Started logfile: 1800+440_X.log on Mon Sep 10 19:53:45 2007
observe 1800+440_X.edt
! Reading UV FITS file: 1800+440_X.edt
! AN table 1: 33 integrations on 171 of 171 possible baselines.
! AN table 2: 17 integrations on 171 of 171 possible baselines.
! AN table 3: 33 integrations on 171 of 171 possible baselines.
! AN table 4: 13 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.0853436 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1800+440
! 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.
! 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 2132 lines of history.
! 
! Reading 5604 visibilities.
![@gonzo7-0.1 1800+440_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 617 telescope corrections were flagged in sub-array 1.
!  A total of 293 telescope corrections were flagged in sub-array 2.
!  A total of 439 telescope corrections were flagged in sub-array 3.
!  A total of 247 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 2.
!  A total of 613 telescope corrections were flagged in sub-array 1.
!  A total of 287 telescope corrections were flagged in sub-array 2.
!  A total of 436 telescope corrections were flagged in sub-array 3.
!  A total of 247 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 3.
!  A total of 619 telescope corrections were flagged in sub-array 1.
!  A total of 291 telescope corrections were flagged in sub-array 2.
!  A total of 456 telescope corrections were flagged in sub-array 3.
!  A total of 247 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 4.
!  A total of 627 telescope corrections were flagged in sub-array 1.
!  A total of 290 telescope corrections were flagged in sub-array 2.
!  A total of 451 telescope corrections were flagged in sub-array 3.
!  A total of 247 telescope corrections were flagged in sub-array 4.
! 
! Fit before self-cal, rms=0.290410Jy  sigma=0.003248
! Fit after  self-cal, rms=0.289298Jy  sigma=0.003246
! 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=0.6287 mas, bmaj=0.8687 mas, bpa=19.73 degrees
! Estimated noise=2530.15 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 = 0.559246 Jy
! Total flux subtracted in 50 components = 0.559246 Jy
! Clean residual min=-0.034831 max=0.155968 Jy/beam
! Clean residual mean=0.000400 rms=0.010494 Jy/beam
! Combined flux in latest and established models = 0.559246 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 0.559246 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.180258Jy  sigma=0.002099
! Fit after  self-cal, rms=0.180258Jy  sigma=0.002099
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.122013 Jy
! Total flux subtracted in 50 components = 0.122013 Jy
! Clean residual min=-0.012758 max=0.034543 Jy/beam
! Clean residual mean=0.000182 rms=0.003735 Jy/beam
! Combined flux in latest and established models = 0.681259 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 3 model components to the UV plane model.
! The established model now contains 3 components and 0.681259 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.088221Jy  sigma=0.001021
! Fit after  self-cal, rms=0.088224Jy  sigma=0.001020
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0353504 Jy
! Total flux subtracted in 50 components = 0.0353504 Jy
! Clean residual min=-0.009182 max=0.016813 Jy/beam
! Clean residual mean=0.000117 rms=0.002542 Jy/beam
! Combined flux in latest and established models = 0.716609 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 8 components and 0.716609 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.075668Jy  sigma=0.000858
! Fit after  self-cal, rms=0.075641Jy  sigma=0.000857
! 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=0.7224 mas, bmaj=0.9169 mas, bpa=15.68 degrees
! Estimated noise=1410.32 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 = 0.0238475 Jy
! Component: 100  -  total flux cleaned = 0.0371883 Jy
! Total flux subtracted in 100 components = 0.0371883 Jy
! Clean residual min=-0.006974 max=0.010615 Jy/beam
! Clean residual mean=0.000287 rms=0.001961 Jy/beam
! Combined flux in latest and established models = 0.753797 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 17 components and 0.753797 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.069419Jy  sigma=0.000767
! Fit after  self-cal, rms=0.069349Jy  sigma=0.000767
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    GC        0.99     GG        1.00*    
!   HN        1.00*    KP        1.00*    LA        1.00*    MA        1.19     
!   MK        1.00*    NL        1.00*    NY        1.01     ON        1.00*    
!   OV        1.00*    PT        1.00*    SC        1.00*    TC        1.00*    
!   TS        0.96     WF        1.00*    WZ        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        1.00*    GC        1.00*    GG        1.00*    
!   HN        0.97     KP        1.00*    LA        1.00*    MA        1.00*    
!   MK        1.00*    NL        0.97     NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        1.00*    SC        0.99     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.01     
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        1.00     GC        1.04     GG        1.00*    
!   HN        0.98     KP        1.00*    LA        0.99     MA        1.02     
!   MK        1.00*    NL        0.99     NY        1.01     ON        1.00     
!   OV        1.00*    PT        0.99     SC        0.99     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00     
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 2.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    GC        1.01     GG        1.00*    
!   HN        1.00*    KP        1.00*    LA        1.00*    MA        1.00*    
!   MK        1.00*    NL        1.00*    NY        1.02     ON        1.07     
!   OV        1.00*    PT        1.00*    SC        1.00*    TC        1.00*    
!   TS        0.98     WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        1.00*    GC        1.00*    GG        1.00*    
!   HN        0.97     KP        1.00*    LA        1.00*    MA        1.00*    
!   MK        1.00*    NL        0.98     NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        1.00*    SC        1.02     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.02     
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.99     FD        0.99     GC        1.04     GG        1.00*    
!   HN        0.97     KP        1.00*    LA        0.99     MA        1.02     
!   MK        1.00*    NL        0.99     NY        1.00     ON        1.02     
!   OV        1.00*    PT        1.00     SC        1.00     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        0.99     
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    GC        1.07     GG        1.00*    
!   HN        1.00*    KP        1.00*    LA        1.00*    MA        1.02     
!   MK        1.00*    NL        1.00*    NY        0.97     ON        1.07     
!   OV        1.00*    PT        1.00*    SC        1.00*    TC        1.00*    
!   TS        1.00     WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        1.00*    GC        1.00*    GG        1.00*    
!   HN        0.97     KP        1.00*    LA        1.00*    MA        1.00*    
!   MK        1.00*    NL        0.99     NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        1.00*    SC        0.99     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00     
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.99     FD        1.00     GC        1.04     GG        1.00*    
!   HN        0.98     KP        1.00*    LA        0.99     MA        1.02     
!   MK        1.00*    NL        0.99     NY        1.00     ON        1.00     
!   OV        1.00*    PT        1.00     SC        1.00     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00     
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        1.00*    GC        1.00*    GG        1.00*    
!   HN        0.97     KP        1.00*    LA        1.00*    MA        1.00*    
!   MK        1.00*    NL        0.97     NY        1.00*    ON        1.00*    
!   OV        1.00*    PT        1.00*    SC        0.99     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00     
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        1.00     GC        1.04     GG        1.00*    
!   HN        0.98     KP        1.00*    LA        0.98     MA        1.03     
!   MK        1.00*    NL        0.98     NY        1.00     ON        0.99     
!   OV        1.00*    PT        0.99     SC        1.00     TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00     
! 
!  Telescope amplitude corrections in sub-array 4:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KP        0.00*    LA        0.00*    MA        0.00*    
!   MK        0.00*    NL        0.00*    NY        0.00*    ON        0.00*    
!   OV        0.00*    PT        0.00*    SC        0.00*    TC        0.00*    
!   TS        0.00*    WF        0.00*    WZ        0.00*    
! 
! 
! Fit before self-cal, rms=0.069349Jy  sigma=0.000767
! Fit after  self-cal, rms=0.068420Jy  sigma=0.000745
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7271 mas, bmaj=0.9212 mas, bpa=15.6 degrees
! Estimated noise=1406.75 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 = 0.00420449 Jy
! Component: 100  -  total flux cleaned = 0.00538463 Jy
! Total flux subtracted in 100 components = 0.00538463 Jy
! Clean residual min=-0.004900 max=0.006547 Jy/beam
! Clean residual mean=0.000081 rms=0.001357 Jy/beam
! Combined flux in latest and established models = 0.759182 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 23 components and 0.759182 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.068165Jy  sigma=0.000742
! Fit after  self-cal, rms=0.068139Jy  sigma=0.000742
! 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 = 0.000751104 Jy
! Component: 100  -  total flux cleaned = 0.00104314 Jy
! Total flux subtracted in 100 components = 0.00104314 Jy
! Clean residual min=-0.004898 max=0.006461 Jy/beam
! Clean residual mean=0.000069 rms=0.001329 Jy/beam
! Combined flux in latest and established models = 0.760225 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 25 components and 0.760225 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.068050Jy  sigma=0.000741
! Fit after  self-cal, rms=0.067243Jy  sigma=0.000733
! Inverting map and beam 
! Estimated beam: bmin=0.7263 mas, bmaj=0.9204 mas, bpa=15.66 degrees
! Estimated noise=1407.91 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 = 0.00266785 Jy
! Component: 100  -  total flux cleaned = 0.00411319 Jy
! Total flux subtracted in 100 components = 0.00411319 Jy
! Clean residual min=-0.004945 max=0.006130 Jy/beam
! Clean residual mean=0.000046 rms=0.001277 Jy/beam
! Combined flux in latest and established models = 0.764338 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 26 components and 0.764338 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.067134Jy  sigma=0.000732
! Fit after  self-cal, rms=0.067123Jy  sigma=0.000732
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1800+440_X
! Writing UV FITS file: 1800+440_X.uvf
! Writing 26 model components to file: 1800+440_X.mod
! wwins: Wrote 1 windows to 1800+440_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7263 x 0.9204 at 15.66 degrees (North through East)
! Clean map  min=-0.0047591  max=0.71937 Jy/beam
! Writing clean map to FITS file: 1800+440_X.fits
! Writing difmap environment to: 1800+440_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1800+440_X]
device 1800+440_Xuv.ps/vps,1,2
! Attempting to open device: '1800+440_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1800+440_Xim.ps/vps
! Attempting to open device: '1800+440_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=0.7263 mas, bmaj=0.9204 mas, bpa=15.66 degrees
! Estimated noise=1407.91 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7263 x 0.9204 at 15.66 degrees (North through East)
! Clean map  min=-0.0047591  max=0.71937 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.1]
quit
! Quitting program
! Log file 1800+440_X.log closed on Mon Sep 10 19:53:51 2007