! Started logfile: 1448+762_X.log on Tue Jul  8 17:19:22 2008
observe 1448+762_X.edt
! Reading UV FITS file: 1448+762_X.edt
! AN table 1: 168 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.274029 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1448+762
! 
! 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 1472 lines of history.
! 
! Reading 34988 visibilities.
![@gonzo6-0.1 1448+762_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 1723 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1726 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1725 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1722 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.769245Jy  sigma=15.115824
! Fit after  self-cal, rms=0.768917Jy  sigma=15.114599
! 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=0.4777 mas, bmaj=0.8511 mas, bpa=-64.33 degrees
! Estimated noise=0.585596 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 = 0.156519 Jy
! Total flux subtracted in 50 components = 0.156519 Jy
! Clean residual min=-0.023068 max=0.062278 Jy/beam
! Clean residual mean=0.000058 rms=0.003992 Jy/beam
! Combined flux in latest and established models = 0.156519 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 7 components and 0.156519 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.171515Jy  sigma=2.814844
! Fit after  self-cal, rms=0.171237Jy  sigma=2.811023
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0697548 Jy
! Total flux subtracted in 50 components = 0.0697548 Jy
! Clean residual min=-0.015895 max=0.032599 Jy/beam
! Clean residual mean=0.000016 rms=0.002579 Jy/beam
! Combined flux in latest and established models = 0.226274 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 9 components and 0.226274 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.136565Jy  sigma=1.937375
! Fit after  self-cal, rms=0.136066Jy  sigma=1.930523
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0370539 Jy
! Total flux subtracted in 50 components = 0.0370539 Jy
! Clean residual min=-0.012049 max=0.018573 Jy/beam
! Clean residual mean=-0.000006 rms=0.001994 Jy/beam
! Combined flux in latest and established models = 0.263328 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 7 model components to the UV plane model.
! The established model now contains 14 components and 0.263328 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.124396Jy  sigma=1.629269
! Fit after  self-cal, rms=0.124223Jy  sigma=1.627029
! Inverting map 
! Added new window around map position (-0.9, -0.1).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0216043 Jy
! Total flux subtracted in 50 components = 0.0216043 Jy
! Clean residual min=-0.010952 max=0.013180 Jy/beam
! Clean residual mean=-0.000018 rms=0.001771 Jy/beam
! Combined flux in latest and established models = 0.284932 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 18 components and 0.284932 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.120027Jy  sigma=1.537308
! Fit after  self-cal, rms=0.119975Jy  sigma=1.536654
! Inverting map 
! Added new window around map position (1.2, 0.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.01425 Jy
! Total flux subtracted in 50 components = 0.01425 Jy
! Clean residual min=-0.010718 max=0.010457 Jy/beam
! Clean residual mean=-0.000027 rms=0.001686 Jy/beam
! Combined flux in latest and established models = 0.299182 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 29 components and 0.299182 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.118222Jy  sigma=1.515086
! Fit after  self-cal, rms=0.118211Jy  sigma=1.514982
! 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=0.7154 mas, bmaj=1.123 mas, bpa=-69.29 degrees
! Estimated noise=0.248054 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 = 0.0080613 Jy
! Component: 100  -  total flux cleaned = 0.0117789 Jy
! Total flux subtracted in 100 components = 0.0117789 Jy
! Clean residual min=-0.012772 max=0.007454 Jy/beam
! Clean residual mean=-0.000129 rms=0.002417 Jy/beam
! Combined flux in latest and established models = 0.310961 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 46 components and 0.310961 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.117165Jy  sigma=1.516350
! Fit after  self-cal, rms=0.117162Jy  sigma=1.516252
! 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        0.68     FD        1.10     GC        1.03     HH        1.00*    
!   HN        1.28     KK        0.99     KP        1.08     LA        1.11     
!   MA        1.00*    MC        1.00*    MK        0.95     NL        0.96     
!   NY        1.04     ON        1.00*    OV        1.05     PT        0.99     
!   SC        1.00*    TS        0.92     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.59     FD        1.06     GC        0.99     HH        1.00*    
!   HN        1.14     KK        1.15     KP        1.01     LA        0.91     
!   MA        1.00*    MC        1.00*    MK        0.86     NL        1.06     
!   NY        0.93     ON        1.00*    OV        1.06     PT        1.02     
!   SC        1.00*    TS        0.94     WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 9 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.59     FD        1.11     GC        0.90     HH        1.00*    
!   HN        1.34     KK        1.10     KP        0.92     LA        1.12     
!   MA        1.00*    MC        1.00*    MK        0.84     NL        1.02     
!   NY        0.97     ON        1.00*    OV        0.98     PT        1.03     
!   SC        1.00*    TS        0.88     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        0.62     FD        1.05     GC        1.06     HH        1.00*    
!   HN        1.30     KK        1.19     KP        1.04     LA        1.07     
!   MA        1.00*    MC        1.00*    MK        0.89     NL        1.04     
!   NY        0.75     ON        1.00*    OV        0.95     PT        1.01     
!   SC        1.00*    TS        0.95     WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.117162Jy  sigma=1.516252
! Fit after  self-cal, rms=0.102921Jy  sigma=1.268734
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7048 mas, bmaj=1.114 mas, bpa=-67.57 degrees
! Estimated noise=0.242597 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 (-0.4, -1.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000586742 Jy
! Component: 100  -  total flux cleaned = 0.000509267 Jy
! Total flux subtracted in 100 components = 0.000509267 Jy
! Clean residual min=-0.001728 max=0.001663 Jy/beam
! Clean residual mean=0.000006 rms=0.000358 Jy/beam
! Combined flux in latest and established models = 0.31147 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 56 components and 0.31147 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.102854Jy  sigma=1.267655
! Fit after  self-cal, rms=0.102875Jy  sigma=1.267276
! 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 = 7.03938e-05 Jy
! Component: 100  -  total flux cleaned = -2.78441e-05 Jy
! Total flux subtracted in 100 components = -2.78441e-05 Jy
! Clean residual min=-0.001777 max=0.001550 Jy/beam
! Clean residual mean=0.000006 rms=0.000350 Jy/beam
! Combined flux in latest and established models = 0.311442 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 64 components and 0.311442 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.102841Jy  sigma=1.266891
! Fit after  self-cal, rms=0.107045Jy  sigma=1.220400
! Inverting map and beam 
! Estimated beam: bmin=0.7024 mas, bmaj=1.114 mas, bpa=-67.4 degrees
! Estimated noise=0.242273 mJy/beam.
! Added new window around map position (0.5, 1.1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000223469 Jy
! Component: 100  -  total flux cleaned = 8.2277e-05 Jy
! Total flux subtracted in 100 components = 8.2277e-05 Jy
! Clean residual min=-0.001365 max=0.001356 Jy/beam
! Clean residual mean=0.000002 rms=0.000318 Jy/beam
! Combined flux in latest and established models = 0.311525 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 73 components and 0.311525 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107009Jy  sigma=1.219907
! Fit after  self-cal, rms=0.107033Jy  sigma=1.216650
! Inverting map and beam 
! Estimated beam: bmin=0.701 mas, bmaj=1.113 mas, bpa=-67.28 degrees
! Estimated noise=0.241325 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 = -0.000278783 Jy
! Component: 100  -  total flux cleaned = -0.000352106 Jy
! Total flux subtracted in 100 components = -0.000352106 Jy
! Clean residual min=-0.001293 max=0.001355 Jy/beam
! Clean residual mean=0.000002 rms=0.000310 Jy/beam
! Combined flux in latest and established models = 0.311173 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 77 components and 0.311173 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107006Jy  sigma=1.216521
! Fit after  self-cal, rms=0.107028Jy  sigma=1.216317
! Inverting map 
! Added new window around map position (3.9, 4.1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000621747 Jy
! Component: 100  -  total flux cleaned = 0.000511993 Jy
! Total flux subtracted in 100 components = 0.000511993 Jy
! Clean residual min=-0.001274 max=0.001316 Jy/beam
! Clean residual mean=0.000002 rms=0.000304 Jy/beam
! Combined flux in latest and established models = 0.311685 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 86 components and 0.311685 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107003Jy  sigma=1.216039
! Fit after  self-cal, rms=0.107017Jy  sigma=1.216056
! Inverting map 
! Added new window around map position (-5.3, -17.3).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00101693 Jy
! Component: 100  -  total flux cleaned = 0.00104977 Jy
! Total flux subtracted in 100 components = 0.00104977 Jy
! Clean residual min=-0.001253 max=0.001315 Jy/beam
! Clean residual mean=-0.000000 rms=0.000294 Jy/beam
! Combined flux in latest and established models = 0.312734 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 93 components and 0.312734 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.106998Jy  sigma=1.215802
! Fit after  self-cal, rms=0.107004Jy  sigma=1.215813
! Inverting map 
! Added new window around map position (13.5, 8.5).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.000751931 Jy
! Component: 100  -  total flux cleaned = 0.000787517 Jy
! Total flux subtracted in 100 components = 0.000787517 Jy
! Clean residual min=-0.001229 max=0.001205 Jy/beam
! Clean residual mean=0.000002 rms=0.000286 Jy/beam
! Combined flux in latest and established models = 0.313522 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 103 components and 0.313522 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.106981Jy  sigma=1.215568
! Fit after  self-cal, rms=0.106984Jy  sigma=1.215560
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1448+762_X
! Writing UV FITS file: 1448+762_X.uvf
! Writing 103 model components to file: 1448+762_X.mod
! wwins: Wrote 8 windows to 1448+762_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.701 x 1.113 at -67.28 degrees (North through East)
! Clean map  min=-0.0021429  max=0.21882 Jy/beam
! Writing clean map to FITS file: 1448+762_X.fits
! Writing difmap environment to: 1448+762_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1448+762_X]
device 1448+762_Xuv.ps/vps,1,2
! Attempting to open device: '1448+762_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1448+762_Xim.ps/vps
! Attempting to open device: '1448+762_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=0.701 mas, bmaj=1.113 mas, bpa=-67.28 degrees
! Estimated noise=0.241325 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.701 x 1.113 at -67.28 degrees (North through East)
! Clean map  min=-0.0021429  max=0.21882 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.1]
quit
! Quitting program
! Log file 1448+762_X.log closed on Tue Jul  8 17:19:38 2008