! Started logfile: 0454-234_X.log on Mon Sep 17 22:04:01 2007
observe 0454-234_X.edt
! Reading UV FITS file: 0454-234_X.edt
! AN table 1: 40 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.141813 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0454-234
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! 
! 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 2132 lines of history.
! 
! Reading 3880 visibilities.
![@gonzo5-0.1 0454-234_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 = 5.0
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 602 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 599 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 601 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 601 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=1.281945Jy  sigma=0.019735
! Fit after  self-cal, rms=1.283497Jy  sigma=0.019763
! 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=0.9001 mas, bmaj=2.421 mas, bpa=-4.85 degrees
! Estimated noise=2155.2 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 = 1.70778 Jy
! Total flux subtracted in 50 components = 1.70778 Jy
! Clean residual min=-0.114115 max=0.476292 Jy/beam
! Clean residual mean=0.006226 rms=0.064344 Jy/beam
! Combined flux in latest and established models = 1.70778 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 1.70778 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.598781Jy  sigma=0.009239
! Fit after  self-cal, rms=0.598781Jy  sigma=0.009239
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.410469 Jy
! Total flux subtracted in 50 components = 0.410469 Jy
! Clean residual min=-0.049543 max=0.159404 Jy/beam
! Clean residual mean=0.002715 rms=0.025459 Jy/beam
! Combined flux in latest and established models = 2.11825 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 15 components and 2.11825 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.246937Jy  sigma=0.003805
! Fit after  self-cal, rms=0.246898Jy  sigma=0.003804
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.159701 Jy
! Total flux subtracted in 50 components = 0.159701 Jy
! Clean residual min=-0.025315 max=0.066809 Jy/beam
! Clean residual mean=0.001347 rms=0.011694 Jy/beam
! Combined flux in latest and established models = 2.27795 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 23 components and 2.27795 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.128561Jy  sigma=0.001952
! Fit after  self-cal, rms=0.128555Jy  sigma=0.001952
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0710522 Jy
! Total flux subtracted in 50 components = 0.0710522 Jy
! Clean residual min=-0.015093 max=0.031627 Jy/beam
! Clean residual mean=0.000741 rms=0.006159 Jy/beam
! Combined flux in latest and established models = 2.349 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 28 components and 2.349 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.090080Jy  sigma=0.001336
! Fit after  self-cal, rms=0.090077Jy  sigma=0.001336
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0348781 Jy
! Total flux subtracted in 50 components = 0.0348781 Jy
! Clean residual min=-0.011052 max=0.016910 Jy/beam
! Clean residual mean=0.000443 rms=0.003825 Jy/beam
! Combined flux in latest and established models = 2.38388 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 34 components and 2.38388 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078711Jy  sigma=0.001152
! Fit after  self-cal, rms=0.078707Jy  sigma=0.001152
! 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=1.127 mas, bmaj=3.913 mas, bpa=-4.571 degrees
! Estimated noise=1105.19 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 = 0.0202233 Jy
! Component: 100  -  total flux cleaned = 0.0299419 Jy
! Total flux subtracted in 100 components = 0.0299419 Jy
! Clean residual min=-0.006584 max=0.008867 Jy/beam
! Clean residual mean=0.000330 rms=0.002050 Jy/beam
! Combined flux in latest and established models = 2.41382 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 50 components and 2.41382 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.074123Jy  sigma=0.001081
! Fit after  self-cal, rms=0.074105Jy  sigma=0.001080
! 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        1.00     FD        1.00     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        1.00     LA        1.00     MA        1.00*    
!   MK        1.00     NL        1.00     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.00     SC        1.00*    TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.00     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        1.00     LA        1.00     MA        1.00*    
!   MK        1.00     NL        1.00     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.00     SC        1.00*    TC        1.01     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        1.00     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        1.00     LA        1.00     MA        1.00*    
!   MK        1.00     NL        0.99     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.00     SC        1.00*    TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.00*    GG        1.00*    
!   HN        1.00*    KP        1.00     LA        1.00     MA        1.00*    
!   MK        1.00     NL        1.00     NY        1.00*    ON        1.00*    
!   OV        1.00     PT        1.00     SC        1.00*    TC        1.00*    
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.074105Jy  sigma=0.001080
! Fit after  self-cal, rms=0.073396Jy  sigma=0.001075
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.128 mas, bmaj=3.911 mas, bpa=-4.559 degrees
! Estimated noise=1104.26 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 (-5.2, -4.1).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00794466 Jy
! Component: 100  -  total flux cleaned = 0.0117253 Jy
! Total flux subtracted in 100 components = 0.0117253 Jy
! Clean residual min=-0.005004 max=0.004538 Jy/beam
! Clean residual mean=0.000128 rms=0.001363 Jy/beam
! Combined flux in latest and established models = 2.42554 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 11 model components to the UV plane model.
! The established model now contains 61 components and 2.42554 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.072646Jy  sigma=0.001063
! Fit after  self-cal, rms=0.072625Jy  sigma=0.001063
! 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 = 0.00228143 Jy
! Component: 100  -  total flux cleaned = 0.00314987 Jy
! Total flux subtracted in 100 components = 0.00314987 Jy
! Clean residual min=-0.004973 max=0.004168 Jy/beam
! Clean residual mean=0.000089 rms=0.001282 Jy/beam
! Combined flux in latest and established models = 2.42869 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 73 components and 2.42869 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.072513Jy  sigma=0.001061
! Fit after  self-cal, rms=0.072012Jy  sigma=0.001054
! Inverting map and beam 
! Estimated beam: bmin=1.128 mas, bmaj=3.909 mas, bpa=-4.557 degrees
! Estimated noise=1104.25 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 = 0.00217504 Jy
! Component: 100  -  total flux cleaned = 0.00294244 Jy
! Total flux subtracted in 100 components = 0.00294244 Jy
! Clean residual min=-0.004619 max=0.003706 Jy/beam
! Clean residual mean=0.000111 rms=0.001183 Jy/beam
! Combined flux in latest and established models = 2.43164 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 17 model components to the UV plane model.
! The established model now contains 83 components and 2.43164 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.071928Jy  sigma=0.001053
! Fit after  self-cal, rms=0.071920Jy  sigma=0.001052
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0454-234_X
! Writing UV FITS file: 0454-234_X.uvf
! Writing 83 model components to file: 0454-234_X.mod
! wwins: Wrote 2 windows to 0454-234_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.128 x 3.909 at -4.557 degrees (North through East)
! Clean map  min=-0.0045509  max=2.2468 Jy/beam
! Writing clean map to FITS file: 0454-234_X.fits
! Writing difmap environment to: 0454-234_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0454-234_X]
device 0454-234_Xuv.ps/vps,1,2
! Attempting to open device: '0454-234_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0454-234_Xim.ps/vps
! Attempting to open device: '0454-234_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=1.128 mas, bmaj=3.909 mas, bpa=-4.557 degrees
! Estimated noise=1104.25 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.128 x 3.909 at -4.557 degrees (North through East)
! Clean map  min=-0.0045509  max=2.2468 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo5-0.1]
quit
! Quitting program
! Log file 0454-234_X.log closed on Mon Sep 17 22:04:07 2007