! Started logfile: 1302-102_X.log on Wed Oct 27 19:14:17 2004
observe 1302-102_X.edt
! Reading UV FITS file: 1302-102_X.edt
! AN table 1: 37 integrations on 153 of 153 possible baselines.
! AN table 2: 6 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.132391 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1302-102
! 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  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 1070 lines of history.
! 
! Reading 3484 visibilities.
![@gonzo8-0.1 1302-102_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 = 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 0.100x0.100 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 508 telescope corrections were flagged in sub-array 1.
!  A total of 93 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 508 telescope corrections were flagged in sub-array 1.
!  A total of 93 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 508 telescope corrections were flagged in sub-array 1.
!  A total of 93 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 508 telescope corrections were flagged in sub-array 1.
!  A total of 93 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.701180Jy  sigma=5.049036
! Fit after  self-cal, rms=0.701329Jy  sigma=5.050548
! 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=0.979 mas, bmaj=2.345 mas, bpa=13.44 degrees
! Estimated noise=3.28179 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 = 0.231416 Jy
! Total flux subtracted in 50 components = 0.231416 Jy
! Clean residual min=-0.031920 max=0.077703 Jy/beam
! Clean residual mean=-0.000717 rms=0.012663 Jy/beam
! Combined flux in latest and established models = 0.231416 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 0.231416 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.168701Jy  sigma=1.223101
! Fit after  self-cal, rms=0.168654Jy  sigma=1.222764
! 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=1.262 mas, bmaj=2.744 mas, bpa=2.115 degrees
! Estimated noise=2.09341 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 = 0.10361 Jy
! Component: 100  -  total flux cleaned = 0.151642 Jy
! Total flux subtracted in 100 components = 0.151642 Jy
! Clean residual min=-0.024333 max=0.027694 Jy/beam
! Clean residual mean=-0.000358 rms=0.007607 Jy/beam
! Combined flux in latest and established models = 0.383058 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 37 model components to the UV plane model.
! The established model now contains 43 components and 0.383058 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.102574Jy  sigma=0.741441
! Fit after  self-cal, rms=0.101529Jy  sigma=0.733912
! 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        1.00     FD        0.77     GC        1.00*    GG        1.00*    
!   HN        1.05     KK        1.00*    KP        0.95     LA        0.99     
!   MC        1.00*    MK        1.00*    NL        1.03     ON        1.00*    
!   OV        0.98     PT        0.94     SC        1.05     TS        1.00*    
!   WF        1.00*    WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   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*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.76     GC        1.00*    GG        1.00*    
!   HN        1.04     KK        1.00*    KP        0.88     LA        1.02     
!   MC        1.00*    MK        1.00*    NL        1.01     ON        1.00*    
!   OV        0.98     PT        1.00     SC        0.99     TS        1.00*    
!   WF        1.00*    WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   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*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.09     FD        0.79     GC        1.00*    GG        1.00*    
!   HN        1.00     KK        1.00*    KP        0.85     LA        0.98     
!   MC        1.00*    MK        1.00*    NL        1.10     ON        1.00*    
!   OV        1.04     PT        1.01     SC        1.08     TS        1.00*    
!   WF        1.00*    WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   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*    
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.79     GC        1.00*    GG        1.00*    
!   HN        1.03     KK        1.00*    KP        0.89     LA        1.00     
!   MC        1.00*    MK        1.00*    NL        1.09     ON        1.00*    
!   OV        0.98     PT        1.04     SC        1.11     TS        1.00*    
!   WF        1.00*    WZ        1.00*    
! 
!  A total of 15 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   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*    
! 
! 
! Fit before self-cal, rms=0.101529Jy  sigma=0.733912
! Fit after  self-cal, rms=0.079526Jy  sigma=0.608892
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=1.291 mas, bmaj=2.962 mas, bpa=-0.5708 degrees
! Estimated noise=1.96897 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 = 0.00649613 Jy
! Component: 100  -  total flux cleaned = 0.00692513 Jy
! Total flux subtracted in 100 components = 0.00692513 Jy
! Clean residual min=-0.005520 max=0.008087 Jy/beam
! Clean residual mean=0.000002 rms=0.001798 Jy/beam
! Combined flux in latest and established models = 0.389983 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 49 components and 0.389983 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078729Jy  sigma=0.602562
! Fit after  self-cal, rms=0.078726Jy  sigma=0.602062
! 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 = 0.000267561 Jy
! Component: 100  -  total flux cleaned = 0.000378518 Jy
! Total flux subtracted in 100 components = 0.000378518 Jy
! Clean residual min=-0.005206 max=0.007544 Jy/beam
! Clean residual mean=0.000005 rms=0.001683 Jy/beam
! Combined flux in latest and established models = 0.390361 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 54 components and 0.390361 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078525Jy  sigma=0.600553
! Fit after  self-cal, rms=0.077037Jy  sigma=0.589699
! Inverting map and beam 
! Estimated beam: bmin=1.291 mas, bmaj=2.962 mas, bpa=-0.862 degrees
! Estimated noise=1.96807 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 = 0.00429 Jy
! Component: 100  -  total flux cleaned = 0.00471192 Jy
! Total flux subtracted in 100 components = 0.00471192 Jy
! Clean residual min=-0.004745 max=0.006602 Jy/beam
! Clean residual mean=0.000015 rms=0.001429 Jy/beam
! Combined flux in latest and established models = 0.395073 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 56 components and 0.395073 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.076830Jy  sigma=0.587888
! Fit after  self-cal, rms=0.076820Jy  sigma=0.587788
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1302-102_X
! Writing UV FITS file: 1302-102_X.uvf
! Writing 56 model components to file: 1302-102_X.mod
! wwins: Wrote 1 windows to 1302-102_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.291 x 2.962 at -0.862 degrees (North through East)
! Clean map  min=-0.0046774  max=0.28886 Jy/beam
! Writing clean map to FITS file: 1302-102_X.fits
! Writing difmap environment to: 1302-102_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1302-102_X]
device 1302-102_Xuv.ps/vps,1,2
! Attempting to open device: '1302-102_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1302-102_Xim.ps/vps
! Attempting to open device: '1302-102_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=1.291 mas, bmaj=2.962 mas, bpa=-0.862 degrees
! Estimated noise=1.96807 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 1.291 x 2.962 at -0.862 degrees (North through East)
! Clean map  min=-0.0046774  max=0.28886 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo8-0.1]
quit
! Quitting program
! Log file 1302-102_X.log closed on Wed Oct 27 19:14:31 2004