! Started logfile: 1101+384_S.log on Tue Oct 19 23:09:23 2004
observe 1101+384_S.edt
! Reading UV FITS file: 1101+384_S.edt
! AN table 1: 79 integrations on 153 of 153 possible baselines.
! AN table 2: 105 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.101023 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1101+384
! Warning: Unknown AN-table MNTSTA value (3).
!          Will assume that it is ground-based.
! 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  2.23697e+09        8e+06          1        8e+06
!  02        2  2.26697e+09        8e+06          1        8e+06
!  03        3  2.35697e+09        8e+06          1        8e+06
!  04        4  2.37697e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1075 lines of history.
! 
! Reading 11376 visibilities.
![@gonzo8-0.4 1101+384_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 = 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 0.400x0.400 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 1422 telescope corrections were flagged in sub-array 1.
!  A total of 1093 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 1422 telescope corrections were flagged in sub-array 1.
!  A total of 1093 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 1422 telescope corrections were flagged in sub-array 1.
!  A total of 1093 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 1422 telescope corrections were flagged in sub-array 1.
!  A total of 1093 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.734017Jy  sigma=5.291044
! Fit after  self-cal, rms=0.734008Jy  sigma=5.290981
! 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=2.15 mas, bmaj=7.711 mas, bpa=25.57 degrees
! Estimated noise=1.91951 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 = 0.201631 Jy
! Total flux subtracted in 50 components = 0.201631 Jy
! Clean residual min=-0.021030 max=0.056511 Jy/beam
! Clean residual mean=0.000014 rms=0.004964 Jy/beam
! Combined flux in latest and established models = 0.201631 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 0.201631 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.111608Jy  sigma=0.803655
! Fit after  self-cal, rms=0.111564Jy  sigma=0.803341
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.047013 Jy
! Total flux subtracted in 50 components = 0.047013 Jy
! Clean residual min=-0.013122 max=0.019180 Jy/beam
! Clean residual mean=0.000006 rms=0.003079 Jy/beam
! Combined flux in latest and established models = 0.248644 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 7 components and 0.248644 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.089917Jy  sigma=0.647111
! Fit after  self-cal, rms=0.089807Jy  sigma=0.646331
! 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=2.827 mas, bmaj=7.559 mas, bpa=23.96 degrees
! Estimated noise=0.943855 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 = 0.0286152 Jy
! Component: 100  -  total flux cleaned = 0.0445081 Jy
! Total flux subtracted in 100 components = 0.0445081 Jy
! Clean residual min=-0.010090 max=0.010853 Jy/beam
! Clean residual mean=-0.000011 rms=0.002696 Jy/beam
! Combined flux in latest and established models = 0.293152 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 28 model components to the UV plane model.
! The established model now contains 31 components and 0.293153 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.081249Jy  sigma=0.584521
! Fit after  self-cal, rms=0.081107Jy  sigma=0.583483
! Inverting map 
print "****************************************"
! **************************************** 
print "*** Finished Natural Weighting CLEAN ***"
! *** Finished Natural Weighting CLEAN *** 
print "****************************************"
! **************************************** 
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        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 2:
!   BR        0.95     FD        1.02     GC        1.00*    GG        1.00*    
!   HN        1.05     KK        1.00*    KP        0.97     LA        1.00*    
!   MC        1.00*    MK        0.92     NL        0.93     ON        1.00*    
!   OV        0.93     PT        1.00*    SC        0.94     TS        1.00*    
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        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 2:
!   BR        1.02     FD        1.02     GC        1.00*    GG        1.00*    
!   HN        1.15     KK        1.00*    KP        1.00     LA        1.00*    
!   MC        1.00*    MK        0.99     NL        0.97     ON        1.00*    
!   OV        0.99     PT        1.00*    SC        1.00     TS        1.00*    
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        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 2:
!   BR        1.04     FD        0.90     GC        1.00*    GG        1.00*    
!   HN        1.13     KK        1.00*    KP        0.98     LA        1.00*    
!   MC        1.00*    MK        0.98     NL        1.00     ON        1.00*    
!   OV        0.97     PT        1.00*    SC        1.14     TS        1.00*    
!   WF        1.00*    WZ        1.00*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        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 2:
!   BR        0.98     FD        0.95     GC        1.00*    GG        1.00*    
!   HN        1.09     KK        1.00*    KP        0.92     LA        1.00*    
!   MC        1.00*    MK        0.93     NL        0.93     ON        1.00*    
!   OV        0.83     PT        1.00*    SC        1.14     TS        1.00*    
!   WF        1.00*    WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.081107Jy  sigma=0.583483
! Fit after  self-cal, rms=0.073671Jy  sigma=0.543113
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=2.865 mas, bmaj=7.692 mas, bpa=23.83 degrees
! Estimated noise=0.919029 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 = 0.00663031 Jy
! Component: 100  -  total flux cleaned = 0.00744449 Jy
! Total flux subtracted in 100 components = 0.00744449 Jy
! Clean residual min=-0.003583 max=0.007033 Jy/beam
! Clean residual mean=-0.000002 rms=0.001254 Jy/beam
! Combined flux in latest and established models = 0.300597 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 16 model components to the UV plane model.
! The established model now contains 44 components and 0.300597 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.073154Jy  sigma=0.539022
! Fit after  self-cal, rms=0.073131Jy  sigma=0.538764
! 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 = 0.000483262 Jy
! Component: 100  -  total flux cleaned = 0.000701139 Jy
! Total flux subtracted in 100 components = 0.000701139 Jy
! Clean residual min=-0.003482 max=0.007082 Jy/beam
! Clean residual mean=-0.000002 rms=0.001214 Jy/beam
! Combined flux in latest and established models = 0.301298 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 51 components and 0.301298 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.073070Jy  sigma=0.538306
! Fit after  self-cal, rms=0.070999Jy  sigma=0.519883
! Inverting map and beam 
! Estimated beam: bmin=2.862 mas, bmaj=7.689 mas, bpa=23.84 degrees
! Estimated noise=0.919761 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)
! Added new window around map position (-6.4, 6.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0058771 Jy
! Component: 100  -  total flux cleaned = 0.00859411 Jy
! Total flux subtracted in 100 components = 0.00859411 Jy
! Clean residual min=-0.002515 max=0.002926 Jy/beam
! Clean residual mean=0.000000 rms=0.000710 Jy/beam
! Combined flux in latest and established models = 0.309892 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 22 model components to the UV plane model.
! The established model now contains 73 components and 0.309892 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.070565Jy  sigma=0.516479
! Fit after  self-cal, rms=0.070564Jy  sigma=0.516422
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1101+384_S
! Writing UV FITS file: 1101+384_S.uvf
! Writing 73 model components to file: 1101+384_S.mod
! wwins: Wrote 2 windows to 1101+384_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.862 x 7.689 at 23.84 degrees (North through East)
! Clean map  min=-0.002472  max=0.26512 Jy/beam
! Writing clean map to FITS file: 1101+384_S.fits
! Writing difmap environment to: 1101+384_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1101+384_S]
device 1101+384_Suv.ps/vps,1,2
! Attempting to open device: '1101+384_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1101+384_Sim.ps/vps
! Attempting to open device: '1101+384_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=2.862 mas, bmaj=7.689 mas, bpa=23.84 degrees
! Estimated noise=0.919761 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 2.862 x 7.689 at 23.84 degrees (North through East)
! Clean map  min=-0.002472  max=0.26512 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.4]
quit
! Quitting program
! Log file 1101+384_S.log closed on Tue Oct 19 23:09:44 2004