! Started logfile: 1951+355_X.log on Thu Jul 10 15:19:02 2008
observe 1951+355_X
! Reading UV FITS file: 1951+355_X
! AN table 1: Unused.
! AN table 2: Unused.
! AN table 3: Unused.
! AN table 4: Unused.
! AN table 5: 151 integrations on 190 of 190 possible baselines.
! AN table 6: Unused.
! AN table 7: Unused.
! AN table 8: Unused.
! Apparent sampling: 0.144197 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1951+355
! 
! 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 1468 lines of history.
! 
! Reading 16548 visibilities.
![@gonzo6-0.1 1951+355_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 2018 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 2018 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1889 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 2018 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.911189Jy  sigma=0.014087
! Fit after  self-cal, rms=0.879380Jy  sigma=0.013737
! 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=0.7492 mas, bmaj=2.786 mas, bpa=-42.75 degrees
! Estimated noise=1095.5 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 = 0.0807325 Jy
! Total flux subtracted in 50 components = 0.0807325 Jy
! Clean residual min=-0.015825 max=0.032892 Jy/beam
! Clean residual mean=-0.000234 rms=0.005480 Jy/beam
! Combined flux in latest and established models = 0.0807325 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 12 components and 0.0807325 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.149414Jy  sigma=0.002010
! Fit after  self-cal, rms=0.149380Jy  sigma=0.002009
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0372196 Jy
! Total flux subtracted in 50 components = 0.0372196 Jy
! Clean residual min=-0.011517 max=0.018096 Jy/beam
! Clean residual mean=-0.000141 rms=0.003644 Jy/beam
! Combined flux in latest and established models = 0.117952 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 24 components and 0.117952 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.138712Jy  sigma=0.001778
! Fit after  self-cal, rms=0.138698Jy  sigma=0.001777
! 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=1.326 mas, bmaj=2.758 mas, bpa=-47.65 degrees
! Estimated noise=402.29 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 = 0.0307298 Jy
! Component: 100  -  total flux cleaned = 0.0407181 Jy
! Total flux subtracted in 100 components = 0.0407181 Jy
! Clean residual min=-0.008297 max=0.008751 Jy/beam
! Clean residual mean=-0.000156 rms=0.002329 Jy/beam
! Combined flux in latest and established models = 0.15867 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 43 components and 0.15867 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.133162Jy  sigma=0.001665
! Fit after  self-cal, rms=0.133146Jy  sigma=0.001665
! 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        0.74     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        1.22     KK        1.00*    KP        1.05     LA        0.92     
!   MA        1.00*    MC        1.00*    MK        1.10     NL        0.93     
!   NY        1.00*    ON        1.00*    OV        1.09     PT        0.97     
!   SC        1.00*    TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.82     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        1.16     KK        1.00*    KP        1.11     LA        1.01     
!   MA        1.00*    MC        1.00*    MK        0.84     NL        1.00     
!   NY        1.00*    ON        1.00*    OV        1.06     PT        0.99     
!   SC        1.00*    TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.71     FD        1.02     GC        1.00*    HH        1.00*    
!   HN        1.15     KK        1.00*    KP        1.13     LA        0.99     
!   MA        1.00*    MC        1.00*    MK        1.01     NL        1.02     
!   NY        1.00*    ON        1.00*    OV        0.99     PT        0.88     
!   SC        1.00*    TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.69     FD        1.05     GC        1.00*    HH        1.00*    
!   HN        0.96     KK        1.00*    KP        1.11     LA        1.00     
!   MA        1.00*    MC        1.00*    MK        0.90     NL        0.82     
!   NY        1.00*    ON        1.00*    OV        0.95     PT        1.01     
!   SC        1.00*    TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.133146Jy  sigma=0.001665
! Fit after  self-cal, rms=0.124916Jy  sigma=0.001627
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.347 mas, bmaj=2.649 mas, bpa=-46.7 degrees
! Estimated noise=385.361 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 = 0.000100385 Jy
! Component: 100  -  total flux cleaned = 0.000301065 Jy
! Total flux subtracted in 100 components = 0.000301065 Jy
! Clean residual min=-0.003917 max=0.004465 Jy/beam
! Clean residual mean=-0.000022 rms=0.000924 Jy/beam
! Combined flux in latest and established models = 0.158971 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 53 components and 0.158971 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.124895Jy  sigma=0.001627
! Fit after  self-cal, rms=0.124884Jy  sigma=0.001627
! 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 (-19.5, -2.1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0028903 Jy
! Component: 100  -  total flux cleaned = 0.00289868 Jy
! Total flux subtracted in 100 components = 0.00289868 Jy
! Clean residual min=-0.004043 max=0.002801 Jy/beam
! Clean residual mean=0.000004 rms=0.000822 Jy/beam
! Combined flux in latest and established models = 0.16187 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 69 components and 0.16187 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.124748Jy  sigma=0.001625
! Fit after  self-cal, rms=0.152656Jy  sigma=0.001312
! Inverting map and beam 
! Estimated beam: bmin=1.357 mas, bmaj=2.647 mas, bpa=-47.53 degrees
! Estimated noise=397.828 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 = 0.00245548 Jy
! Component: 100  -  total flux cleaned = 0.0028173 Jy
! Total flux subtracted in 100 components = 0.0028173 Jy
! Clean residual min=-0.002791 max=0.002139 Jy/beam
! Clean residual mean=-0.000012 rms=0.000565 Jy/beam
! Combined flux in latest and established models = 0.164687 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 30 model components to the UV plane model.
! The established model now contains 96 components and 0.164687 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.152641Jy  sigma=0.001310
! Fit after  self-cal, rms=0.152641Jy  sigma=0.001310
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1951+355_X
! Writing UV FITS file: 1951+355_X.uvf
! Writing 96 model components to file: 1951+355_X.mod
! wwins: Wrote 2 windows to 1951+355_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.357 x 2.647 at -47.53 degrees (North through East)
! Clean map  min=-0.0027629  max=0.1219 Jy/beam
! Writing clean map to FITS file: 1951+355_X.fits
! Writing difmap environment to: 1951+355_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1951+355_X]
device 1951+355_Xuv.ps/vps,1,2
! Attempting to open device: '1951+355_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1951+355_Xim.ps/vps
! Attempting to open device: '1951+355_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=1.357 mas, bmaj=2.647 mas, bpa=-47.53 degrees
! Estimated noise=397.828 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.357 x 2.647 at -47.53 degrees (North through East)
! Clean map  min=-0.0027629  max=0.1219 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.1]
quit
! Quitting program
! Log file 1951+355_X.log closed on Thu Jul 10 15:19:12 2008