! Started logfile: 0920-397_X.log on Mon Sep  3 15:53:34 2007
observe 0920-397_X.edt
! Reading UV FITS file: 0920-397_X.edt
! AN table 1: 8 integrations on 171 of 171 possible baselines.
! AN table 2: 57 integrations on 171 of 171 possible baselines.
! AN table 3: 34 integrations on 171 of 171 possible baselines.
! AN table 4: 22 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.0802281 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0920-397
! 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 2124 lines of history.
! 
! Reading 6640 visibilities.
![@gonzo6-0.1 0920-397_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 = 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 0.100x0.100 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 920 telescope corrections were flagged in sub-array 2.
!  A total of 425 telescope corrections were flagged in sub-array 3.
!  A total of 418 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 2.
!  A total of 152 telescope corrections were flagged in sub-array 1.
!  A total of 918 telescope corrections were flagged in sub-array 2.
!  A total of 428 telescope corrections were flagged in sub-array 3.
!  A total of 418 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 3.
!  A total of 152 telescope corrections were flagged in sub-array 1.
!  A total of 921 telescope corrections were flagged in sub-array 2.
!  A total of 431 telescope corrections were flagged in sub-array 3.
!  A total of 418 telescope corrections were flagged in sub-array 4.
! 
! Correcting IF 4.
!  A total of 152 telescope corrections were flagged in sub-array 1.
!  A total of 924 telescope corrections were flagged in sub-array 2.
!  A total of 420 telescope corrections were flagged in sub-array 3.
!  A total of 418 telescope corrections were flagged in sub-array 4.
! 
! Fit before self-cal, rms=0.250093Jy  sigma=0.003145
! Fit after  self-cal, rms=0.249399Jy  sigma=0.003149
! 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=0.6658 mas, bmaj=1.206 mas, bpa=3.055 degrees
! Estimated noise=2840.31 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 = 0.748501 Jy
! Total flux subtracted in 50 components = 0.748501 Jy
! Clean residual min=-0.071099 max=0.219189 Jy/beam
! Clean residual mean=0.000416 rms=0.025688 Jy/beam
! Combined flux in latest and established models = 0.748501 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 7 components and 0.748501 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.389761Jy  sigma=0.005330
! Fit after  self-cal, rms=0.389756Jy  sigma=0.005330
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.195861 Jy
! Total flux subtracted in 50 components = 0.195861 Jy
! Clean residual min=-0.041914 max=0.080256 Jy/beam
! Clean residual mean=0.000235 rms=0.014341 Jy/beam
! Combined flux in latest and established models = 0.944362 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 20 model components to the UV plane model.
! The established model now contains 25 components and 0.944362 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.254583Jy  sigma=0.003449
! Fit after  self-cal, rms=0.254543Jy  sigma=0.003449
! 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=0.8314 mas, bmaj=2.29 mas, bpa=-2.266 degrees
! Estimated noise=918 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 (-0.1, -1.1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.167567 Jy
! Component: 100  -  total flux cleaned = 0.251271 Jy
! Total flux subtracted in 100 components = 0.251271 Jy
! Clean residual min=-0.038094 max=0.054831 Jy/beam
! Clean residual mean=-0.000215 rms=0.012075 Jy/beam
! Combined flux in latest and established models = 1.19563 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 47 model components to the UV plane model.
! The established model now contains 69 components and 1.19563 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.143880Jy  sigma=0.001822
! Fit after  self-cal, rms=0.143379Jy  sigma=0.001815
! 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*    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*    
! 
!  A total of 9 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.01     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        0.95     LA        0.98     MA        1.00*    
!   MK        0.97     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        0.99     PT        0.99     SC        1.00*    TC        1.02     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        0.94     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        0.92     LA        0.96     MA        1.00*    
!   MK        1.04     NL        1.29     NY        1.00*    ON        1.00*    
!   OV        0.95     PT        0.96     SC        1.07     TC        1.05     
!   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.
!  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*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        1.01     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        0.90     LA        0.98     MA        1.00*    
!   MK        0.98     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.03     SC        1.00*    TC        1.04     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00*    FD        0.96     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        0.88     LA        0.97     MA        1.00*    
!   MK        1.05     NL        1.26     NY        1.00*    ON        1.00*    
!   OV        0.96     PT        1.00     SC        1.05     TC        0.97     
!   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 3.
!  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*    
! 
!  A total of 12 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        0.99     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        0.85     LA        0.99     MA        1.00*    
!   MK        1.01     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        1.03     PT        1.08     SC        1.00*    TC        0.94     
!   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        1.00*    FD        0.96     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        0.82     LA        0.98     MA        1.00*    
!   MK        1.05     NL        1.23     NY        1.00*    ON        1.00*    
!   OV        0.98     PT        1.03     SC        1.05     TC        1.01     
!   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*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.00*    FD        0.98     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        0.89     LA        0.96     MA        1.00*    
!   MK        1.04     NL        1.00*    NY        1.00*    ON        1.00*    
!   OV        1.02     PT        1.08     SC        1.00*    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        1.00*    FD        0.94     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        0.89     LA        0.96     MA        1.00*    
!   MK        1.08     NL        1.24     NY        1.00*    ON        1.00*    
!   OV        0.98     PT        1.04     SC        1.11     TC        1.10     
!   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=0.143379Jy  sigma=0.001815
! Fit after  self-cal, rms=0.085517Jy  sigma=0.001053
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.8511 mas, bmaj=2.331 mas, bpa=-2.165 degrees
! Estimated noise=905.555 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 = 0.00403286 Jy
! Component: 100  -  total flux cleaned = 0.00371886 Jy
! Total flux subtracted in 100 components = 0.00371886 Jy
! Clean residual min=-0.007059 max=0.009333 Jy/beam
! Clean residual mean=0.000179 rms=0.002024 Jy/beam
! Combined flux in latest and established models = 1.19935 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 78 components and 1.19935 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.084877Jy  sigma=0.001044
! Fit after  self-cal, rms=0.084844Jy  sigma=0.001043
! 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 (-7.9, 11.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00665924 Jy
! Component: 100  -  total flux cleaned = 0.00756686 Jy
! Total flux subtracted in 100 components = 0.00756686 Jy
! Clean residual min=-0.006369 max=0.006201 Jy/beam
! Clean residual mean=0.000175 rms=0.001798 Jy/beam
! Combined flux in latest and established models = 1.20692 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 93 components and 1.20692 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.084158Jy  sigma=0.001034
! Fit after  self-cal, rms=0.081766Jy  sigma=0.001004
! Inverting map and beam 
! Estimated beam: bmin=0.8506 mas, bmaj=2.332 mas, bpa=-2.131 degrees
! Estimated noise=904.278 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 = 0.00209706 Jy
! Component: 100  -  total flux cleaned = 0.00236563 Jy
! Total flux subtracted in 100 components = 0.00236563 Jy
! Clean residual min=-0.006244 max=0.005835 Jy/beam
! Clean residual mean=0.000129 rms=0.001657 Jy/beam
! Combined flux in latest and established models = 1.20928 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 97 components and 1.20928 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.081509Jy  sigma=0.001001
! Fit after  self-cal, rms=0.081502Jy  sigma=0.001000
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0920-397_X
! Writing UV FITS file: 0920-397_X.uvf
! Writing 97 model components to file: 0920-397_X.mod
! wwins: Wrote 3 windows to 0920-397_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8506 x 2.332 at -2.131 degrees (North through East)
! Clean map  min=-0.0060126  max=0.98563 Jy/beam
! Writing clean map to FITS file: 0920-397_X.fits
! Writing difmap environment to: 0920-397_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0920-397_X]
device 0920-397_Xuv.ps/vps,1,2
! Attempting to open device: '0920-397_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0920-397_Xim.ps/vps
! Attempting to open device: '0920-397_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=0.8506 mas, bmaj=2.332 mas, bpa=-2.131 degrees
! Estimated noise=904.278 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8506 x 2.332 at -2.131 degrees (North through East)
! Clean map  min=-0.0060126  max=0.98563 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.1]
quit
! Quitting program
! Log file 0920-397_X.log closed on Mon Sep  3 15:53:40 2007