! Started logfile: 0202+149_S.log on Fri Jul  7 10:07:58 2006
observe 0202+149_S.edt
! Reading UV FITS file: 0202+149_S.edt
! AN table 1: 32 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.096875 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0202+149
! 
! 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 1588 lines of history.
! 
! Reading 2356 visibilities.
![@gonzo7-0.4 0202+149_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 496 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 495 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 496 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 496 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.384985Jy  sigma=0.005669
! Fit after  self-cal, rms=0.381961Jy  sigma=0.005613
! 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=2.379 mas, bmaj=4.647 mas, bpa=-8.617 degrees
! Estimated noise=1509.36 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 = 0.66249 Jy
! Total flux subtracted in 50 components = 0.66249 Jy
! Clean residual min=-0.061398 max=0.198364 Jy/beam
! Clean residual mean=0.001370 rms=0.021931 Jy/beam
! Combined flux in latest and established models = 0.66249 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 2 model components to the UV plane model.
! The established model now contains 2 components and 0.66249 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.426210Jy  sigma=0.006480
! Fit after  self-cal, rms=0.426205Jy  sigma=0.006477
! Inverting map 
! Added new window around map position (-3.2, 2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.222161 Jy
! Total flux subtracted in 50 components = 0.222161 Jy
! Clean residual min=-0.044968 max=0.111305 Jy/beam
! Clean residual mean=0.001161 rms=0.014701 Jy/beam
! Combined flux in latest and established models = 0.88465 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 12 components and 0.88465 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.321530Jy  sigma=0.004719
! Fit after  self-cal, rms=0.317841Jy  sigma=0.004683
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.136184 Jy
! Total flux subtracted in 50 components = 0.136184 Jy
! Clean residual min=-0.031862 max=0.069821 Jy/beam
! Clean residual mean=0.001031 rms=0.010688 Jy/beam
! Combined flux in latest and established models = 1.02083 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 15 components and 1.02083 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.265739Jy  sigma=0.003764
! Fit after  self-cal, rms=0.264127Jy  sigma=0.003750
! 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=2.598 mas, bmaj=4.873 mas, bpa=-8.62 degrees
! Estimated noise=1084.61 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 = 0.115782 Jy
! Component: 100  -  total flux cleaned = 0.193738 Jy
! Total flux subtracted in 100 components = 0.193738 Jy
! Clean residual min=-0.019145 max=0.046280 Jy/beam
! Clean residual mean=0.005290 rms=0.008136 Jy/beam
! Combined flux in latest and established models = 1.21457 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 45 components and 1.21457 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.209899Jy  sigma=0.002808
! Fit after  self-cal, rms=0.207553Jy  sigma=0.002779
! 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 42 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.97     GC        1.01     HN        0.97     
!   LA        0.94     NL        0.96     OV        0.98     SC        1.07     
!   WF        0.86     GG        1.00*    HH        1.00*    KK        0.94     
!   KP        0.93     MA        1.00*    MC        1.00*    MK        1.04     
!   NY        1.09     TS        1.00*    WZ        1.00*    PT        0.90     
! 
! 
! Correcting IF 2.
!  A total of 42 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.02     GC        0.97     HN        0.96     
!   LA        0.95     NL        0.93     OV        0.96     SC        1.02     
!   WF        0.86     GG        1.00*    HH        1.00*    KK        0.97     
!   KP        0.99     MA        1.00*    MC        1.00*    MK        1.02     
!   NY        0.93     TS        1.00*    WZ        1.00*    PT        0.89     
! 
! 
! Correcting IF 3.
!  A total of 42 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.95     FD        1.05     GC        1.07     HN        0.91     
!   LA        0.95     NL        0.85     OV        0.97     SC        1.07     
!   WF        0.89     GG        1.00*    HH        1.00*    KK        0.97     
!   KP        0.95     MA        1.00*    MC        1.00*    MK        1.04     
!   NY        1.13     TS        1.00*    WZ        1.00*    PT        0.87     
! 
! 
! Correcting IF 4.
!  A total of 42 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.98     GC        1.04     HN        0.97     
!   LA        0.94     NL        0.98     OV        0.98     SC        1.03     
!   WF        0.81     GG        1.00*    HH        1.00*    KK        0.90     
!   KP        0.97     MA        1.00*    MC        1.00*    MK        1.02     
!   NY        1.06     TS        1.00*    WZ        1.00*    PT        0.88     
! 
! 
! Fit before self-cal, rms=0.207553Jy  sigma=0.002779
! Fit after  self-cal, rms=0.172561Jy  sigma=0.002444
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.593 mas, bmaj=4.753 mas, bpa=-7.942 degrees
! Estimated noise=1108.72 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 (0.8, 6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0376564 Jy
! Component: 100  -  total flux cleaned = 0.0598182 Jy
! Total flux subtracted in 100 components = 0.0598182 Jy
! Clean residual min=-0.010820 max=0.020582 Jy/beam
! Clean residual mean=0.003176 rms=0.003992 Jy/beam
! Combined flux in latest and established models = 1.27439 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 18 model components to the UV plane model.
! The established model now contains 61 components and 1.27439 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.164206Jy  sigma=0.002324
! Fit after  self-cal, rms=0.163464Jy  sigma=0.002316
! 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)
! Added new window around map position (-9.2, 0.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0211677 Jy
! Component: 100  -  total flux cleaned = 0.0344736 Jy
! Total flux subtracted in 100 components = 0.0344736 Jy
! Clean residual min=-0.010445 max=0.017422 Jy/beam
! Clean residual mean=0.002884 rms=0.003666 Jy/beam
! Combined flux in latest and established models = 1.30886 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 77 components and 1.30886 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.160347Jy  sigma=0.002275
! Fit after  self-cal, rms=0.158136Jy  sigma=0.002234
! Inverting map and beam 
! Estimated beam: bmin=2.581 mas, bmaj=4.737 mas, bpa=-8.077 degrees
! Estimated noise=1110.18 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 = 0.0151611 Jy
! Component: 100  -  total flux cleaned = 0.0265627 Jy
! Total flux subtracted in 100 components = 0.0265627 Jy
! Clean residual min=-0.008763 max=0.016139 Jy/beam
! Clean residual mean=0.002482 rms=0.003292 Jy/beam
! Combined flux in latest and established models = 1.33543 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 95 components and 1.33543 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.156417Jy  sigma=0.002212
! Fit after  self-cal, rms=0.156263Jy  sigma=0.002210
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0202+149_S
! Writing UV FITS file: 0202+149_S.uvf
! Writing 95 model components to file: 0202+149_S.mod
! wwins: Wrote 4 windows to 0202+149_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.581 x 4.737 at -8.077 degrees (North through East)
! Clean map  min=-0.0085354  max=0.8411 Jy/beam
! Writing clean map to FITS file: 0202+149_S.fits
! Writing difmap environment to: 0202+149_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0202+149_S]
device 0202+149_Suv.ps/vps,1,2
! Attempting to open device: '0202+149_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0202+149_Sim.ps/vps
! Attempting to open device: '0202+149_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=2.581 mas, bmaj=4.737 mas, bpa=-8.077 degrees
! Estimated noise=1110.18 mJy/beam.
xyrange 0, 0, 0, 0
! The mapplot display area will be limited to:
!  Relative  RA: (The whole available range)
!  Relative DEC: (The whole available range)
mapcolor grey
! Mapplot colormap: grey, contrast: 1 brightness: 0.5.
docont=true
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.581 x 4.737 at -8.077 degrees (North through East)
! Clean map  min=-0.0085354  max=0.8411 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 0202+149_S.log closed on Fri Jul  7 10:08:11 2006