! Started logfile: 1923+210_X.log on Mon Mar 31 22:59:00 2008
observe 1923+210_X.edt
! Reading UV FITS file: 1923+210_X.edt
! AN table 1: 155 integrations on 136 of 136 possible baselines.
! AN table 2: 36 integrations on 136 of 136 possible baselines.
! Apparent sampling: 0.19672 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1923+210
! 
! 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 1222 lines of history.
! 
! Reading 20440 visibilities.
![@gonzo7-0.1 1923+210_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 2165 telescope corrections were flagged in sub-array 1.
!  A total of 455 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 2168 telescope corrections were flagged in sub-array 1.
!  A total of 450 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 2056 telescope corrections were flagged in sub-array 1.
!  A total of 454 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 2063 telescope corrections were flagged in sub-array 1.
!  A total of 458 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.438672Jy  sigma=0.006869
! Fit after  self-cal, rms=0.433453Jy  sigma=0.006710
! 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=0.7044 mas, bmaj=0.9405 mas, bpa=-6.305 degrees
! Estimated noise=971.843 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 = 0.435994 Jy
! Total flux subtracted in 50 components = 0.435994 Jy
! Clean residual min=-0.028694 max=0.121616 Jy/beam
! Clean residual mean=0.000374 rms=0.007259 Jy/beam
! Combined flux in latest and established models = 0.435994 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 0.435994 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.233543Jy  sigma=0.004618
! Fit after  self-cal, rms=0.233540Jy  sigma=0.004618
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.108024 Jy
! Total flux subtracted in 50 components = 0.108024 Jy
! Clean residual min=-0.021150 max=0.073897 Jy/beam
! Clean residual mean=0.000304 rms=0.005000 Jy/beam
! Combined flux in latest and established models = 0.544018 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 10 components and 0.544018 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.173162Jy  sigma=0.003360
! Fit after  self-cal, rms=0.173158Jy  sigma=0.003360
! Inverting map 
! Added new window around map position (-1.3, -0.6).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0681914 Jy
! Total flux subtracted in 50 components = 0.0681914 Jy
! Clean residual min=-0.017259 max=0.035710 Jy/beam
! Clean residual mean=0.000259 rms=0.003854 Jy/beam
! Combined flux in latest and established models = 0.612209 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 5 model components to the UV plane model.
! The established model now contains 12 components and 0.612209 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.142222Jy  sigma=0.002680
! Fit after  self-cal, rms=0.139231Jy  sigma=0.002654
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0432308 Jy
! Total flux subtracted in 50 components = 0.0432308 Jy
! Clean residual min=-0.013766 max=0.024969 Jy/beam
! Clean residual mean=0.000230 rms=0.003033 Jy/beam
! Combined flux in latest and established models = 0.65544 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 24 components and 0.65544 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.122727Jy  sigma=0.002259
! Fit after  self-cal, rms=0.121751Jy  sigma=0.002252
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0309545 Jy
! Total flux subtracted in 50 components = 0.0309545 Jy
! Clean residual min=-0.011540 max=0.019699 Jy/beam
! Clean residual mean=0.000210 rms=0.002599 Jy/beam
! Combined flux in latest and established models = 0.686394 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 33 components and 0.686395 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.111763Jy  sigma=0.001999
! Fit after  self-cal, rms=0.111219Jy  sigma=0.001996
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0236837 Jy
! Total flux subtracted in 50 components = 0.0236837 Jy
! Clean residual min=-0.009831 max=0.016512 Jy/beam
! Clean residual mean=0.000194 rms=0.002321 Jy/beam
! Combined flux in latest and established models = 0.710078 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 39 components and 0.710078 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.104672Jy  sigma=0.001822
! Fit after  self-cal, rms=0.104324Jy  sigma=0.001820
! 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=0.9404 mas, bmaj=1.16 mas, bpa=0.3256 degrees
! Estimated noise=485.127 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 = 0.0413118 Jy
! Component: 100  -  total flux cleaned = 0.066004 Jy
! Total flux subtracted in 100 components = 0.0660041 Jy
! Clean residual min=-0.010357 max=0.024507 Jy/beam
! Clean residual mean=0.000670 rms=0.004001 Jy/beam
! Combined flux in latest and established models = 0.776082 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 43 model components to the UV plane model.
! The established model now contains 74 components and 0.776082 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.092100Jy  sigma=0.001463
! Fit after  self-cal, rms=0.090799Jy  sigma=0.001448
! Inverting map 
! Added new window around map position (-3.1, -1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0252633 Jy
! Component: 100  -  total flux cleaned = 0.0409905 Jy
! Total flux subtracted in 100 components = 0.0409905 Jy
! Clean residual min=-0.007738 max=0.013849 Jy/beam
! Clean residual mean=0.000549 rms=0.002812 Jy/beam
! Combined flux in latest and established models = 0.817073 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 39 model components to the UV plane model.
! The established model now contains 109 components and 0.817073 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.085342Jy  sigma=0.001285
! Fit after  self-cal, rms=0.084379Jy  sigma=0.001271
! 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 12 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.98     GC        1.01     HN        1.00     
!   KK        1.00*    KP        0.99     LA        0.98     MC        1.00*    
!   MK        1.00     NL        1.01     NY        1.03     ON        1.00*    
!   OV        0.99     PT        0.98     SC        1.03     WF        1.01     
!   WZ        1.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        0.97     GC        1.01     HN        1.00     
!   KK        1.00     KP        1.00     LA        0.98     MC        1.00*    
!   MK        1.00     NL        1.01     NY        1.03     ON        1.00*    
!   OV        1.00     PT        0.98     SC        1.03     WF        1.00     
!   WZ        1.00*    
! 
! 
! Correcting IF 2.
!  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        1.02     HN        1.00     
!   KK        1.00*    KP        0.99     LA        0.98     MC        1.00*    
!   MK        0.99     NL        1.01     NY        1.04     ON        1.00*    
!   OV        0.99     PT        0.98     SC        1.03     WF        0.98     
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.02     FD        0.98     GC        1.01     HN        0.99     
!   KK        1.01     KP        1.00     LA        0.98     MC        1.00*    
!   MK        1.00     NL        1.00     NY        1.02     ON        1.00*    
!   OV        1.01     PT        0.97     SC        1.03     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        0.99     FD        0.98     GC        1.00     HN        1.01     
!   KK        0.99     KP        0.99     LA        0.98     MC        1.00*    
!   MK        1.00     NL        1.00     NY        1.03     ON        1.00*    
!   OV        0.99     PT        0.98     SC        1.02     WF        1.00     
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        0.97     GC        1.01     HN        1.00     
!   KK        1.02     KP        0.99     LA        0.98     MC        1.00*    
!   MK        1.01     NL        1.02     NY        1.01     ON        1.00*    
!   OV        1.00     PT        0.98     SC        1.02     WF        0.98     
!   WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.98     GC        1.00     HN        1.00     
!   KK        0.99     KP        0.99     LA        0.98     MC        1.00*    
!   MK        1.00     NL        1.01     NY        1.03     ON        1.00*    
!   OV        0.99     PT        0.98     SC        1.02     WF        1.00     
!   WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        0.97     GC        1.02     HN        0.99     
!   KK        1.00     KP        1.00     LA        0.98     MC        1.00*    
!   MK        1.00     NL        1.01     NY        1.02     ON        1.00*    
!   OV        1.00     PT        0.98     SC        1.02     WF        0.98     
!   WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.084379Jy  sigma=0.001271
! Fit after  self-cal, rms=0.083539Jy  sigma=0.001233
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.9452 mas, bmaj=1.172 mas, bpa=-0.1611 degrees
! Estimated noise=480.706 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, -3.3).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0150053 Jy
! Component: 100  -  total flux cleaned = 0.0246094 Jy
! Total flux subtracted in 100 components = 0.0246094 Jy
! Clean residual min=-0.004387 max=0.007479 Jy/beam
! Clean residual mean=0.000469 rms=0.001647 Jy/beam
! Combined flux in latest and established models = 0.841682 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 35 model components to the UV plane model.
! The established model now contains 140 components and 0.841682 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.081414Jy  sigma=0.001168
! Fit after  self-cal, rms=0.081181Jy  sigma=0.001164
! 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 = 0.00805481 Jy
! Component: 100  -  total flux cleaned = 0.0141067 Jy
! Total flux subtracted in 100 components = 0.0141067 Jy
! Clean residual min=-0.004427 max=0.006432 Jy/beam
! Clean residual mean=0.000432 rms=0.001434 Jy/beam
! Combined flux in latest and established models = 0.855789 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 33 model components to the UV plane model.
! The established model now contains 159 components and 0.855789 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.080444Jy  sigma=0.001143
! Fit after  self-cal, rms=0.079571Jy  sigma=0.001130
! Inverting map and beam 
! Estimated beam: bmin=0.945 mas, bmaj=1.171 mas, bpa=-0.151 degrees
! Estimated noise=480.575 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 = 0.00640204 Jy
! Component: 100  -  total flux cleaned = 0.0112221 Jy
! Total flux subtracted in 100 components = 0.0112221 Jy
! Clean residual min=-0.003677 max=0.006158 Jy/beam
! Clean residual mean=0.000382 rms=0.001222 Jy/beam
! Combined flux in latest and established models = 0.867011 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 175 components and 0.867011 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.079076Jy  sigma=0.001117
! Fit after  self-cal, rms=0.078979Jy  sigma=0.001115
! Inverting map 
! Added new window around map position (-7.7, -2.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00622305 Jy
! Component: 100  -  total flux cleaned = 0.0105346 Jy
! Total flux subtracted in 100 components = 0.0105346 Jy
! Clean residual min=-0.003805 max=0.005055 Jy/beam
! Clean residual mean=0.000355 rms=0.001070 Jy/beam
! Combined flux in latest and established models = 0.877546 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 31 model components to the UV plane model.
! The established model now contains 200 components and 0.877546 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078510Jy  sigma=0.001103
! Fit after  self-cal, rms=0.078466Jy  sigma=0.001103
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1923+210_X
! Writing UV FITS file: 1923+210_X.uvf
! Writing 200 model components to file: 1923+210_X.mod
! wwins: Wrote 5 windows to 1923+210_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.945 x 1.171 at -0.151 degrees (North through East)
! Clean map  min=-0.0039256  max=0.58796 Jy/beam
! Writing clean map to FITS file: 1923+210_X.fits
! Writing difmap environment to: 1923+210_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1923+210_X]
device 1923+210_Xuv.ps/vps,1,2
! Attempting to open device: '1923+210_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1923+210_Xim.ps/vps
! Attempting to open device: '1923+210_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=0.945 mas, bmaj=1.171 mas, bpa=-0.151 degrees
! Estimated noise=480.575 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.945 x 1.171 at -0.151 degrees (North through East)
! Clean map  min=-0.0039256  max=0.58796 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.1]
quit
! Quitting program
! Log file 1923+210_X.log closed on Mon Mar 31 22:59:10 2008