! Started logfile: 1657-261_S.log on Fri Jun 20 15:27:49 2008
observe 1657-261_S.edt
! Reading UV FITS file: 1657-261_S.edt
! AN table 1: 11 integrations on 190 of 190 possible baselines.
! AN table 2: 11 integrations on 190 of 190 possible baselines.
! AN table 3: 11 integrations on 190 of 190 possible baselines.
! Apparent sampling: 0.0767145 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1657-261
! 
! 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 1901 lines of history.
! 
! Reading 1924 visibilities.
![@gonzo5-0.4-pw 1657-261_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 = 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 0.400x0.400 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 187 telescope corrections were flagged in sub-array 1.
!  A total of 208 telescope corrections were flagged in sub-array 2.
!  A total of 151 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 187 telescope corrections were flagged in sub-array 1.
!  A total of 208 telescope corrections were flagged in sub-array 2.
!  A total of 151 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 187 telescope corrections were flagged in sub-array 1.
!  A total of 208 telescope corrections were flagged in sub-array 2.
!  A total of 151 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 187 telescope corrections were flagged in sub-array 1.
!  A total of 208 telescope corrections were flagged in sub-array 2.
!  A total of 154 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.555541Jy  sigma=8.150444
! Fit after  self-cal, rms=0.554143Jy  sigma=8.173197
! 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
peakw win_mult
! Inverting map and beam 
! Estimated beam: bmin=2.178 mas, bmaj=9.767 mas, bpa=0.7087 degrees
! Estimated noise=2.38039 mJy/beam.
! Added new window around map position (0, 0).
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=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.317228 Jy
! Total flux subtracted in 50 components = 0.317228 Jy
! Clean residual min=-0.033514 max=0.099553 Jy/beam
! Clean residual mean=0.000417 rms=0.011971 Jy/beam
! Combined flux in latest and established models = 0.317228 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 0.317228 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.236756Jy  sigma=2.566906
! Fit after  self-cal, rms=0.236763Jy  sigma=2.566604
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0989435 Jy
! Total flux subtracted in 50 components = 0.0989435 Jy
! Clean residual min=-0.027959 max=0.048176 Jy/beam
! Clean residual mean=0.000262 rms=0.008105 Jy/beam
! Combined flux in latest and established models = 0.416172 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 17 components and 0.416172 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.184885Jy  sigma=1.860227
! Fit after  self-cal, rms=0.184871Jy  sigma=1.859747
! Inverting map 
! Added new window around map position (-4.8, -7.6).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0474148 Jy
! Total flux subtracted in 50 components = 0.0474148 Jy
! Clean residual min=-0.027789 max=0.035472 Jy/beam
! Clean residual mean=0.000194 rms=0.006851 Jy/beam
! Combined flux in latest and established models = 0.463587 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 26 components and 0.463587 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.170201Jy  sigma=1.647216
! Fit after  self-cal, rms=0.170156Jy  sigma=1.643540
! 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=2.89 mas, bmaj=12.83 mas, bpa=-1.339 degrees
! Estimated noise=1.77933 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 = 0.0353233 Jy
! Component: 100  -  total flux cleaned = 0.0477303 Jy
! Total flux subtracted in 100 components = 0.0477303 Jy
! Clean residual min=-0.028242 max=0.019616 Jy/beam
! Clean residual mean=0.000346 rms=0.005823 Jy/beam
! Combined flux in latest and established models = 0.511317 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 38 components and 0.511317 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.161271Jy  sigma=1.567913
! Fit after  self-cal, rms=0.161192Jy  sigma=1.563382
! 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        1.00*    FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.78     KP        0.99     LA        1.00*    
!   MA        1.00*    MC        1.00*    MK        1.03     NL        1.00*    
!   NY        1.00*    ON        1.00*    OV        1.04     PT        1.00*    
!   SC        1.00*    TS        1.31     WF        1.00*    WZ        1.00*    
! 
!  A total of 12 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        0.00*    MC        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    ON        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.88     FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.93     KP        1.06     LA        0.82     
!   MA        1.00*    MC        1.00*    MK        0.89     NL        1.17     
!   NY        1.00*    ON        1.00*    OV        1.08     PT        1.00     
!   SC        1.00*    TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.82     KP        1.25     LA        1.00*    
!   MA        1.00*    MC        1.00*    MK        1.19     NL        1.00*    
!   NY        1.00*    ON        1.00*    OV        1.11     PT        1.00*    
!   SC        1.00*    TS        1.20     WF        1.00*    WZ        1.00*    
! 
!  A total of 12 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        0.00*    MC        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    ON        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.98     FD        0.97     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.79     KP        1.07     LA        0.97     
!   MA        1.00*    MC        1.00*    MK        1.02     NL        1.07     
!   NY        1.00*    ON        1.00*    OV        1.15     PT        0.91     
!   SC        1.00*    TS        1.00*    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        1.00*    FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        1.04     KP        0.98     LA        1.00*    
!   MA        1.00*    MC        1.00*    MK        1.02     NL        1.00*    
!   NY        1.00*    ON        1.00*    OV        0.95     PT        1.00*    
!   SC        1.00*    TS        1.16     WF        1.00*    WZ        1.00*    
! 
!  A total of 12 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        0.00*    MC        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    ON        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  A total of 3 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.88     FD        1.04     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.66     KP        1.10     LA        0.96     
!   MA        1.00*    MC        1.00*    MK        1.13     NL        0.92     
!   NY        1.00*    ON        1.00*    OV        0.99     PT        1.09     
!   SC        1.00*    TS        1.00*    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        1.00*    FD        1.00*    GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.87     KP        1.18     LA        1.00*    
!   MA        1.00*    MC        1.00*    MK        1.17     NL        1.00*    
!   NY        1.00*    ON        1.00*    OV        1.14     PT        1.00*    
!   SC        1.00*    TS        1.06     WF        1.00*    WZ        1.00*    
! 
!  A total of 12 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MA        0.00*    MC        0.00*    MK        0.00*    NL        0.00*    
!   NY        0.00*    ON        0.00*    OV        0.00*    PT        0.00*    
!   SC        0.00*    TS        0.00*    WF        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.88     FD        0.89     GC        1.00*    HH        1.00*    
!   HN        1.00*    KK        0.63     KP        1.05     LA        1.13     
!   MA        1.00*    MC        1.00*    MK        1.13     NL        1.03     
!   NY        1.00*    ON        1.00*    OV        0.96     PT        1.01     
!   SC        1.00*    TS        1.00*    WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.161192Jy  sigma=1.563382
! Fit after  self-cal, rms=0.121404Jy  sigma=1.191590
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.952 mas, bmaj=15.82 mas, bpa=-4.127 degrees
! Estimated noise=1.79657 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 (-2, -5.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0101585 Jy
! Component: 100  -  total flux cleaned = 0.0131028 Jy
! Total flux subtracted in 100 components = 0.0131028 Jy
! Clean residual min=-0.007741 max=0.008346 Jy/beam
! Clean residual mean=0.000086 rms=0.002387 Jy/beam
! Combined flux in latest and established models = 0.52442 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 49 components and 0.52442 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.120137Jy  sigma=1.171092
! Fit after  self-cal, rms=0.119971Jy  sigma=1.169907
! 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 (-54, 65.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0066618 Jy
! Component: 100  -  total flux cleaned = 0.0100503 Jy
! Total flux subtracted in 100 components = 0.0100503 Jy
! Clean residual min=-0.007204 max=0.007510 Jy/beam
! Clean residual mean=0.000050 rms=0.002205 Jy/beam
! Combined flux in latest and established models = 0.53447 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 65 components and 0.53447 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119388Jy  sigma=1.161042
! Fit after  self-cal, rms=0.117971Jy  sigma=1.138015
! Inverting map and beam 
! Estimated beam: bmin=2.932 mas, bmaj=15.78 mas, bpa=-4.185 degrees
! Estimated noise=1.78898 mJy/beam.
! Added new window around map position (52, -97.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00449389 Jy
! Component: 100  -  total flux cleaned = 0.00695591 Jy
! Total flux subtracted in 100 components = 0.00695591 Jy
! Clean residual min=-0.006863 max=0.006747 Jy/beam
! Clean residual mean=0.000020 rms=0.001925 Jy/beam
! Combined flux in latest and established models = 0.541426 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 81 components and 0.541426 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.117332Jy  sigma=1.128643
! Fit after  self-cal, rms=0.116927Jy  sigma=1.123593
! Inverting map and beam 
! Estimated beam: bmin=2.922 mas, bmaj=15.78 mas, bpa=-4.213 degrees
! Estimated noise=1.78243 mJy/beam.
! Added new window around map position (38.4, -57.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00379499 Jy
! Component: 100  -  total flux cleaned = 0.00582001 Jy
! Total flux subtracted in 100 components = 0.00582001 Jy
! Clean residual min=-0.006273 max=0.006389 Jy/beam
! Clean residual mean=0.000003 rms=0.001723 Jy/beam
! Combined flux in latest and established models = 0.547246 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 22 model components to the UV plane model.
! The established model now contains 96 components and 0.547246 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.116407Jy  sigma=1.117121
! Fit after  self-cal, rms=0.116225Jy  sigma=1.115451
! Inverting map and beam 
! Estimated beam: bmin=2.916 mas, bmaj=15.77 mas, bpa=-4.23 degrees
! Estimated noise=1.77748 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 = 0.000917936 Jy
! Component: 100  -  total flux cleaned = 0.00289132 Jy
! Total flux subtracted in 100 components = 0.00289132 Jy
! Clean residual min=-0.006115 max=0.005863 Jy/beam
! Clean residual mean=-0.000001 rms=0.001615 Jy/beam
! Combined flux in latest and established models = 0.550137 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 23 model components to the UV plane model.
! The established model now contains 104 components and 0.550137 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.115899Jy  sigma=1.111964
! Fit after  self-cal, rms=0.115916Jy  sigma=1.111681
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1657-261_S
! Writing UV FITS file: 1657-261_S.uvf
! Writing 104 model components to file: 1657-261_S.mod
! wwins: Wrote 6 windows to 1657-261_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.916 x 15.77 at -4.23 degrees (North through East)
! Clean map  min=-0.0060458  max=0.42672 Jy/beam
! Writing clean map to FITS file: 1657-261_S.fits
! Writing difmap environment to: 1657-261_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1657-261_S]
device 1657-261_Suv.ps/vps,1,2
! Attempting to open device: '1657-261_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1657-261_Sim.ps/vps
! Attempting to open device: '1657-261_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=2.916 mas, bmaj=15.77 mas, bpa=-4.23 degrees
! Estimated noise=1.77748 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.916 x 15.77 at -4.23 degrees (North through East)
! Clean map  min=-0.0060458  max=0.42672 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo5-0.4-pw]
quit
! Quitting program
! Log file 1657-261_S.log closed on Fri Jun 20 15:27:58 2008