! Started logfile: 0309+411_X.log on Tue Jul 25 13:43:27 2006
observe 0309+411_X.edt
! Reading UV FITS file: 0309+411_X.edt
! AN table 1: 87 integrations on 190 of 190 possible baselines.
! AN table 2: 121 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.2396 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0309+411
! 
! 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 1409 lines of history.
! 
! Reading 37876 visibilities.
![@gonzo8-0.1 0309+411_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 = 8.0
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 1105 telescope corrections were flagged in sub-array 1.
!  A total of 1574 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 1105 telescope corrections were flagged in sub-array 1.
!  A total of 1570 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 1105 telescope corrections were flagged in sub-array 1.
!  A total of 1618 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 1105 telescope corrections were flagged in sub-array 1.
!  A total of 1577 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.640554Jy  sigma=0.009704
! Fit after  self-cal, rms=0.639593Jy  sigma=0.009717
! 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=0.5014 mas, bmaj=0.8653 mas, bpa=-19.99 degrees
! Estimated noise=612.334 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 = 0.271801 Jy
! Total flux subtracted in 50 components = 0.271801 Jy
! Clean residual min=-0.010957 max=0.075895 Jy/beam
! Clean residual mean=0.000005 rms=0.003345 Jy/beam
! Combined flux in latest and established models = 0.271801 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 0.271801 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.149427Jy  sigma=0.002197
! Fit after  self-cal, rms=0.149427Jy  sigma=0.002197
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0694442 Jy
! Total flux subtracted in 50 components = 0.0694442 Jy
! Clean residual min=-0.007793 max=0.029299 Jy/beam
! Clean residual mean=0.000004 rms=0.002028 Jy/beam
! Combined flux in latest and established models = 0.341245 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 5 components and 0.341245 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.114489Jy  sigma=0.001601
! Fit after  self-cal, rms=0.114437Jy  sigma=0.001600
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0321092 Jy
! Total flux subtracted in 50 components = 0.0321092 Jy
! Clean residual min=-0.007649 max=0.016574 Jy/beam
! Clean residual mean=0.000005 rms=0.001630 Jy/beam
! Combined flux in latest and established models = 0.373354 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 8 components and 0.373354 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.105111Jy  sigma=0.001430
! Fit after  self-cal, rms=0.105054Jy  sigma=0.001429
! Inverting map 
! Added new window around map position (-1, 0.5).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0189246 Jy
! Total flux subtracted in 50 components = 0.0189246 Jy
! Clean residual min=-0.007119 max=0.009861 Jy/beam
! Clean residual mean=0.000006 rms=0.001469 Jy/beam
! Combined flux in latest and established models = 0.392279 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 14 components and 0.392279 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.101613Jy  sigma=0.001363
! Fit after  self-cal, rms=0.101521Jy  sigma=0.001362
! 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=0.6477 mas, bmaj=1.082 mas, bpa=-17.16 degrees
! Estimated noise=291.099 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 = 0.01889 Jy
! Component: 100  -  total flux cleaned = 0.029558 Jy
! Total flux subtracted in 100 components = 0.029558 Jy
! Clean residual min=-0.004420 max=0.007076 Jy/beam
! Clean residual mean=0.000095 rms=0.001142 Jy/beam
! Combined flux in latest and established models = 0.421837 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 34 model components to the UV plane model.
! The established model now contains 41 components and 0.421837 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.098457Jy  sigma=0.001304
! Fit after  self-cal, rms=0.098361Jy  sigma=0.001303
! 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 51 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.99     GC        0.92     HN        0.99     
!   LA        1.01     NL        0.93     OV        0.96     SC        0.91     
!   WF        0.99     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        1.00     MA        1.00*    MC        1.02     MK        1.08     
!   NY        0.91     TS        1.00*    WZ        1.11     PT        0.98     
! 
!  A total of 15 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.06     FD        1.02     GC        0.98     HN        0.98     
!   LA        0.97     NL        0.98     OV        1.02     SC        1.03     
!   WF        0.98     GG        1.00*    HH        1.00*    KK        1.00     
!   KP        1.01     MA        0.91     MC        1.17     MK        1.03     
!   NY        0.98     TS        1.00*    WZ        1.16     PT        1.03     
! 
! 
! Correcting IF 2.
!  A total of 51 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.97     GC        0.93     HN        0.99     
!   LA        1.00     NL        0.90     OV        0.96     SC        1.83     
!   WF        0.94     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        0.97     MA        1.00*    MC        1.02     MK        1.03     
!   NY        0.94     TS        1.00*    WZ        1.04     PT        1.00     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.03     FD        1.03     GC        1.01     HN        0.96     
!   LA        0.98     NL        1.02     OV        1.01     SC        1.27     
!   WF        0.97     GG        1.00*    HH        1.00*    KK        0.97     
!   KP        0.96     MA        0.91     MC        1.15     MK        1.02     
!   NY        0.98     TS        1.00*    WZ        1.23     PT        1.03     
! 
! 
! Correcting IF 3.
!  A total of 42 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.97     FD        0.96     GC        0.96     HN        0.99     
!   LA        1.00     NL        0.89     OV        0.93     SC        0.92     
!   WF        0.95     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        0.97     MA        1.00*    MC        1.04     MK        1.07     
!   NY        0.95     TS        1.00*    WZ        1.05     PT        1.00     
! 
!  A total of 15 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        1.01     GC        0.98     HN        0.96     
!   LA        0.73     NL        0.96     OV        0.99     SC        1.03     
!   WF        0.97     GG        1.00*    HH        1.00*    KK        0.97     
!   KP        0.97     MA        0.94     MC        1.17     MK        0.97     
!   NY        1.00     TS        1.00*    WZ        1.14     PT        1.03     
! 
! 
! Correcting IF 4.
!  A total of 42 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.97     FD        0.94     GC        1.00     HN        0.97     
!   LA        0.99     NL        0.89     OV        0.93     SC        0.93     
!   WF        0.94     GG        1.00*    HH        1.00*    KK        1.00*    
!   KP        0.97     MA        1.00*    MC        1.10     MK        1.08     
!   NY        1.02     TS        1.00*    WZ        1.03     PT        1.00     
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        1.00     GC        0.94     HN        0.97     
!   LA        0.95     NL        0.95     OV        1.00     SC        1.02     
!   WF        0.98     GG        1.00*    HH        1.00*    KK        0.93     
!   KP        0.94     MA        0.99     MC        1.13     MK        0.98     
!   NY        0.98     TS        1.00*    WZ        1.13     PT        1.02     
! 
! 
! Fit before self-cal, rms=0.098361Jy  sigma=0.001303
! Fit after  self-cal, rms=0.092503Jy  sigma=0.001222
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.654 mas, bmaj=1.088 mas, bpa=-17.12 degrees
! Estimated noise=288.82 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 = 0.00539558 Jy
! Component: 100  -  total flux cleaned = 0.00733587 Jy
! Total flux subtracted in 100 components = 0.00733587 Jy
! Clean residual min=-0.002063 max=0.004524 Jy/beam
! Clean residual mean=0.000000 rms=0.000552 Jy/beam
! Combined flux in latest and established models = 0.429173 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 54 components and 0.429173 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.092275Jy  sigma=0.001217
! Fit after  self-cal, rms=0.092237Jy  sigma=0.001216
! Inverting map 
! Added new window around map position (-2.2, 1.3).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00402732 Jy
! Component: 100  -  total flux cleaned = 0.005675 Jy
! Total flux subtracted in 100 components = 0.005675 Jy
! Clean residual min=-0.001918 max=0.002291 Jy/beam
! Clean residual mean=-0.000014 rms=0.000478 Jy/beam
! Combined flux in latest and established models = 0.434848 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 63 components and 0.434848 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.092086Jy  sigma=0.001213
! Fit after  self-cal, rms=0.092077Jy  sigma=0.001213
! 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 = 0.00103113 Jy
! Component: 100  -  total flux cleaned = 0.00148931 Jy
! Total flux subtracted in 100 components = 0.00148931 Jy
! Clean residual min=-0.001921 max=0.002265 Jy/beam
! Clean residual mean=-0.000017 rms=0.000464 Jy/beam
! Combined flux in latest and established models = 0.436337 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 72 components and 0.436337 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.092041Jy  sigma=0.001212
! Fit after  self-cal, rms=0.091360Jy  sigma=0.001197
! Inverting map and beam 
! Estimated beam: bmin=0.6547 mas, bmaj=1.087 mas, bpa=-17.02 degrees
! Estimated noise=289.326 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 = 0.00207257 Jy
! Component: 100  -  total flux cleaned = 0.00323382 Jy
! Total flux subtracted in 100 components = 0.00323382 Jy
! Clean residual min=-0.001795 max=0.002008 Jy/beam
! Clean residual mean=-0.000040 rms=0.000416 Jy/beam
! Combined flux in latest and established models = 0.439571 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 80 components and 0.439571 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.091317Jy  sigma=0.001196
! Fit after  self-cal, rms=0.091316Jy  sigma=0.001196
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0309+411_X
! Writing UV FITS file: 0309+411_X.uvf
! Writing 80 model components to file: 0309+411_X.mod
! wwins: Wrote 3 windows to 0309+411_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6547 x 1.087 at -17.02 degrees (North through East)
! Clean map  min=-0.0017131  max=0.36261 Jy/beam
! Writing clean map to FITS file: 0309+411_X.fits
! Writing difmap environment to: 0309+411_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0309+411_X]
device 0309+411_Xuv.ps/vps,1,2
! Attempting to open device: '0309+411_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0309+411_Xim.ps/vps
! Attempting to open device: '0309+411_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=0.6547 mas, bmaj=1.087 mas, bpa=-17.02 degrees
! Estimated noise=289.326 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6547 x 1.087 at -17.02 degrees (North through East)
! Clean map  min=-0.0017131  max=0.36261 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 0309+411_X.log closed on Tue Jul 25 13:44:02 2006