! Started logfile: 1216+061_X.log on Sat Mar 31 17:44:12 2007
observe 1216+061_X.edt
! Reading UV FITS file: 1216+061_X.edt
! AN table 1: 120 integrations on 105 of 105 possible baselines.
! AN table 2: 8 integrations on 105 of 105 possible baselines.
! Apparent sampling: 0.197098 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1216+061
! 
! 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 1241 lines of history.
! 
! Reading 10596 visibilities.
![@gonzo6-0.1 1216+061_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 1081 telescope corrections were flagged in sub-array 1.
!  A total of 111 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 1080 telescope corrections were flagged in sub-array 1.
!  A total of 108 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 1258 telescope corrections were flagged in sub-array 1.
!  A total of 111 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 1142 telescope corrections were flagged in sub-array 1.
!  A total of 114 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.850814Jy  sigma=0.017416
! Fit after  self-cal, rms=0.850843Jy  sigma=0.017425
! 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=0.8579 mas, bmaj=2.44 mas, bpa=-7.852 degrees
! Estimated noise=1724.07 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 = 0.103179 Jy
! Total flux subtracted in 50 components = 0.103179 Jy
! Clean residual min=-0.019911 max=0.034995 Jy/beam
! Clean residual mean=-0.000233 rms=0.006338 Jy/beam
! Combined flux in latest and established models = 0.103179 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 6 components and 0.103179 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.097298Jy  sigma=0.001928
! Fit after  self-cal, rms=0.097289Jy  sigma=0.001928
! 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=1.405 mas, bmaj=3.374 mas, bpa=-15.01 degrees
! Estimated noise=428.76 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 = 0.0549187 Jy
! Component: 100  -  total flux cleaned = 0.0741958 Jy
! Total flux subtracted in 100 components = 0.0741958 Jy
! Clean residual min=-0.009049 max=0.018341 Jy/beam
! Clean residual mean=-0.000081 rms=0.004026 Jy/beam
! Combined flux in latest and established models = 0.177375 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 24 components and 0.177375 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.069203Jy  sigma=0.001262
! Fit after  self-cal, rms=0.069129Jy  sigma=0.001261
! 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 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.96     FD        1.00     HN        1.27     KB        1.00*    
!   KP        0.79     LA        0.97     MK        0.90     NL        1.00*    
!   NY        1.00*    OV        1.16     PT        0.91     SV        1.00*    
!   WF        1.00*    WZ        1.00*    TC        1.00*    
! 
!  A total of 9 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    HN        0.00*    KB        0.00*    
!   KP        0.00*    LA        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    OV        0.00*    PT        0.00*    SV        0.00*    
!   WF        0.00*    WZ        0.00*    TC        0.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.95     FD        0.93     HN        0.82     KB        1.00*    
!   KP        1.01     LA        0.94     MK        0.94     NL        1.24     
!   NY        0.34     OV        1.15     PT        0.92     SV        1.00*    
!   WF        1.00*    WZ        1.00*    TC        1.00*    
! 
!  A total of 12 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    HN        0.00*    KB        0.00*    
!   KP        0.00*    LA        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    OV        0.00*    PT        0.00*    SV        0.00*    
!   WF        0.00*    WZ        0.00*    TC        0.00*    
! 
! 
! Correcting IF 3.
!  A total of 180 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.87     FD        1.03     HN        1.00*    KB        1.00*    
!   KP        0.97     LA        0.97     MK        0.81     NL        1.00*    
!   NY        1.00*    OV        1.16     PT        0.92     SV        1.00*    
!   WF        1.00*    WZ        1.00*    TC        1.00*    
! 
!  A total of 9 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    HN        0.00*    KB        0.00*    
!   KP        0.00*    LA        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    OV        0.00*    PT        0.00*    SV        0.00*    
!   WF        0.00*    WZ        0.00*    TC        0.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.92     FD        1.03     HN        1.09     KB        1.00*    
!   KP        1.02     LA        0.97     MK        1.07     NL        1.00*    
!   NY        1.00*    OV        1.12     PT        0.90     SV        1.00*    
!   WF        1.00*    WZ        1.00*    TC        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    HN        0.00*    KB        0.00*    
!   KP        0.00*    LA        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    OV        0.00*    PT        0.00*    SV        0.00*    
!   WF        0.00*    WZ        0.00*    TC        0.00*    
! 
! 
! Fit before self-cal, rms=0.069129Jy  sigma=0.001261
! Fit after  self-cal, rms=0.067470Jy  sigma=0.001188
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.449 mas, bmaj=3.361 mas, bpa=-16.73 degrees
! Estimated noise=421.99 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 (-5.9, -0.1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.012626 Jy
! Component: 100  -  total flux cleaned = 0.0182052 Jy
! Total flux subtracted in 100 components = 0.0182052 Jy
! Clean residual min=-0.005003 max=0.007888 Jy/beam
! Clean residual mean=-0.000030 rms=0.001967 Jy/beam
! Combined flux in latest and established models = 0.19558 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 27 model components to the UV plane model.
! The established model now contains 51 components and 0.19558 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.065609Jy  sigma=0.001129
! Fit after  self-cal, rms=0.065462Jy  sigma=0.001125
! 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 = 0.00400321 Jy
! Component: 100  -  total flux cleaned = 0.00534291 Jy
! Total flux subtracted in 100 components = 0.00534291 Jy
! Clean residual min=-0.004350 max=0.006646 Jy/beam
! Clean residual mean=-0.000022 rms=0.001740 Jy/beam
! Combined flux in latest and established models = 0.200923 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 28 model components to the UV plane model.
! The established model now contains 77 components and 0.200923 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.065125Jy  sigma=0.001118
! Fit after  self-cal, rms=0.062924Jy  sigma=0.001085
! Inverting map and beam 
! Estimated beam: bmin=1.432 mas, bmaj=3.356 mas, bpa=-16.44 degrees
! Estimated noise=416.578 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 = 0.00190629 Jy
! Component: 100  -  total flux cleaned = 0.00221079 Jy
! Total flux subtracted in 100 components = 0.00221079 Jy
! Clean residual min=-0.003579 max=0.005347 Jy/beam
! Clean residual mean=-0.000047 rms=0.001353 Jy/beam
! Combined flux in latest and established models = 0.203134 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 26 model components to the UV plane model.
! The established model now contains 103 components and 0.203134 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.062725Jy  sigma=0.001080
! Fit after  self-cal, rms=0.062721Jy  sigma=0.001079
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1216+061_X
! Writing UV FITS file: 1216+061_X.uvf
! Writing 103 model components to file: 1216+061_X.mod
! wwins: Wrote 2 windows to 1216+061_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.432 x 3.356 at -16.44 degrees (North through East)
! Clean map  min=-0.0035916  max=0.14294 Jy/beam
! Writing clean map to FITS file: 1216+061_X.fits
! Writing difmap environment to: 1216+061_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1216+061_X]
device 1216+061_Xuv.ps/vps,1,2
! Attempting to open device: '1216+061_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1216+061_Xim.ps/vps
! Attempting to open device: '1216+061_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=1.432 mas, bmaj=3.356 mas, bpa=-16.44 degrees
! Estimated noise=416.578 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.432 x 3.356 at -16.44 degrees (North through East)
! Clean map  min=-0.0035916  max=0.14294 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.1]
quit
! Quitting program
! Log file 1216+061_X.log closed on Sat Mar 31 17:44:27 2007