! Started logfile: 1606+106_S.log on Wed May  7 12:23:43 2008
observe 1606+106_S.edt
! Reading UV FITS file: 1606+106_S.edt
! AN table 1: 54 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.0697168 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1606+106
! 
! 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  2.22497e+09        8e+06          1        8e+06
!  02        2  2.24497e+09        8e+06          1        8e+06
!  03        3  2.33497e+09        8e+06          1        8e+06
!  04        4  2.36497e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 955 lines of history.
! 
! Reading 2304 visibilities.
![@gonzo7-0.4 1606+106_S]
print "***********************************"
! *********************************** 
print "*** Using gonzo instruction set ***"
! *** Using gonzo instruction set *** 
print "***********************************"
! *********************************** 
float field_size
field_size = 1024
float field_cell
field_cell = 0.4
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 0.400x0.400 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 894 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 904 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 897 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 820 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.225121Jy  sigma=0.002391
! Fit after  self-cal, rms=0.220836Jy  sigma=0.002368
! 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=2.239 mas, bmaj=8.08 mas, bpa=-13.82 degrees
! Estimated noise=3388.92 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 = 0.823706 Jy
! Total flux subtracted in 50 components = 0.823706 Jy
! Clean residual min=-0.060553 max=0.229718 Jy/beam
! Clean residual mean=0.000751 rms=0.020939 Jy/beam
! Combined flux in latest and established models = 0.823706 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 0.823706 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.332359Jy  sigma=0.003709
! Fit after  self-cal, rms=0.332359Jy  sigma=0.003709
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.207988 Jy
! Total flux subtracted in 50 components = 0.207988 Jy
! Clean residual min=-0.034612 max=0.082341 Jy/beam
! Clean residual mean=0.000247 rms=0.010686 Jy/beam
! Combined flux in latest and established models = 1.03169 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 8 components and 1.03169 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.200148Jy  sigma=0.002180
! Fit after  self-cal, rms=0.200142Jy  sigma=0.002180
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0827806 Jy
! Total flux subtracted in 50 components = 0.0827806 Jy
! Clean residual min=-0.029496 max=0.037288 Jy/beam
! Clean residual mean=0.000049 rms=0.007905 Jy/beam
! Combined flux in latest and established models = 1.11447 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 22 model components to the UV plane model.
! The established model now contains 27 components and 1.11447 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.170015Jy  sigma=0.001781
! Fit after  self-cal, rms=0.169955Jy  sigma=0.001780
! 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=2.948 mas, bmaj=8.812 mas, bpa=-12.75 degrees
! Estimated noise=2236.66 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 = 0.0592485 Jy
! Component: 100  -  total flux cleaned = 0.0899917 Jy
! Total flux subtracted in 100 components = 0.0899917 Jy
! Clean residual min=-0.036758 max=0.027103 Jy/beam
! Clean residual mean=-0.002155 rms=0.008941 Jy/beam
! Combined flux in latest and established models = 1.20447 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 53 components and 1.20447 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.155468Jy  sigma=0.001545
! Fit after  self-cal, rms=0.155329Jy  sigma=0.001543
! 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 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        1.15     GC        1.07     HH        1.00*    
!   HN        0.95     KK        1.00*    KP        0.93     LA        1.03     
!   MC        1.00*    MK        1.00*    NL        0.92     NY        1.03     
!   ON        0.96     OV        0.94     PT        1.02     SC        1.00*    
!   WF        1.11     WZ        1.02     
! 
! 
! Correcting IF 2.
!  A total of 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.95     FD        1.04     GC        1.03     HH        1.00*    
!   HN        0.97     KK        1.00*    KP        1.05     LA        1.02     
!   MC        1.00*    MK        1.00*    NL        0.97     NY        0.99     
!   ON        1.17     OV        0.91     PT        0.95     SC        1.00*    
!   WF        1.08     WZ        0.93     
! 
! 
! Correcting IF 3.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        1.05     GC        1.03     HH        1.00*    
!   HN        1.08     KK        1.00*    KP        1.02     LA        0.99     
!   MC        1.00*    MK        1.00*    NL        0.97     NY        1.05     
!   ON        1.00     OV        0.97     PT        0.99     SC        1.00*    
!   WF        1.12     WZ        0.98     
! 
! 
! Correcting IF 4.
!  A total of 21 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.98     GC        1.04     HH        1.00*    
!   HN        1.07     KK        1.00*    KP        1.02     LA        1.00*    
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.09     
!   ON        1.19     OV        0.82     PT        1.00     SC        1.00*    
!   WF        1.17     WZ        0.94     
! 
! 
! Fit before self-cal, rms=0.155329Jy  sigma=0.001543
! Fit after  self-cal, rms=0.118982Jy  sigma=0.001102
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.083 mas, bmaj=8.749 mas, bpa=-11.72 degrees
! Estimated noise=2294.53 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 (-5.6, 6.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0190509 Jy
! Component: 100  -  total flux cleaned = 0.0257025 Jy
! Total flux subtracted in 100 components = 0.0257025 Jy
! Clean residual min=-0.010291 max=0.011168 Jy/beam
! Clean residual mean=0.000580 rms=0.002701 Jy/beam
! Combined flux in latest and established models = 1.23017 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 62 components and 1.23017 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.116395Jy  sigma=0.001069
! Fit after  self-cal, rms=0.116188Jy  sigma=0.001065
! 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 = 0.00325269 Jy
! Component: 100  -  total flux cleaned = 0.00390799 Jy
! Total flux subtracted in 100 components = 0.00390799 Jy
! Clean residual min=-0.010347 max=0.010825 Jy/beam
! Clean residual mean=0.000513 rms=0.002624 Jy/beam
! Combined flux in latest and established models = 1.23408 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 77 components and 1.23408 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.115819Jy  sigma=0.001062
! Fit after  self-cal, rms=0.110910Jy  sigma=0.000995
! Inverting map and beam 
! Estimated beam: bmin=3.08 mas, bmaj=8.745 mas, bpa=-11.69 degrees
! Estimated noise=2297.49 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 = 0.00631383 Jy
! Component: 100  -  total flux cleaned = 0.00874076 Jy
! Total flux subtracted in 100 components = 0.00874076 Jy
! Clean residual min=-0.007759 max=0.008576 Jy/beam
! Clean residual mean=0.000261 rms=0.002131 Jy/beam
! Combined flux in latest and established models = 1.24282 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 89 components and 1.24282 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.110535Jy  sigma=0.000992
! Fit after  self-cal, rms=0.110537Jy  sigma=0.000991
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1606+106_S
! Writing UV FITS file: 1606+106_S.uvf
! Writing 89 model components to file: 1606+106_S.mod
! wwins: Wrote 2 windows to 1606+106_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.08 x 8.745 at -11.69 degrees (North through East)
! Clean map  min=-0.0077177  max=1.083 Jy/beam
! Writing clean map to FITS file: 1606+106_S.fits
! Writing difmap environment to: 1606+106_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1606+106_S]
device 1606+106_Suv.ps/vps,1,2
! Attempting to open device: '1606+106_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1606+106_Sim.ps/vps
! Attempting to open device: '1606+106_Sim.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=3.08 mas, bmaj=8.745 mas, bpa=-11.69 degrees
! Estimated noise=2297.49 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.08 x 8.745 at -11.69 degrees (North through East)
! Clean map  min=-0.0077177  max=1.083 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1606+106_S.log closed on Wed May  7 12:23:48 2008