! Started logfile: 0827+243_X.log on Wed May 14 11:54:14 2008
observe 0827+243_X.edt
! Reading UV FITS file: 0827+243_X.edt
! AN table 1: 41 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.0726925 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 0827+243
! 
! 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 949 lines of history.
! 
! Reading 1824 visibilities.
![@gonzo7-0.1 0827+243_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 = 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 0.100x0.100 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 665 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 656 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 663 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 664 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.258544Jy  sigma=0.003628
! Fit after  self-cal, rms=0.259392Jy  sigma=0.003648
! 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=0.7238 mas, bmaj=1.408 mas, bpa=-6.704 degrees
! Estimated noise=2756.09 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 = 0.590438 Jy
! Total flux subtracted in 50 components = 0.590438 Jy
! Clean residual min=-0.041514 max=0.164663 Jy/beam
! Clean residual mean=0.000134 rms=0.015217 Jy/beam
! Combined flux in latest and established models = 0.590438 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 0.590438 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.188938Jy  sigma=0.003045
! Fit after  self-cal, rms=0.188938Jy  sigma=0.003045
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.13135 Jy
! Total flux subtracted in 50 components = 0.13135 Jy
! Clean residual min=-0.019703 max=0.044731 Jy/beam
! Clean residual mean=0.000092 rms=0.006129 Jy/beam
! Combined flux in latest and established models = 0.721788 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 0.721788 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.094903Jy  sigma=0.001476
! Fit after  self-cal, rms=0.094913Jy  sigma=0.001475
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0465293 Jy
! Total flux subtracted in 50 components = 0.0465293 Jy
! Clean residual min=-0.014428 max=0.020460 Jy/beam
! Clean residual mean=0.000074 rms=0.003796 Jy/beam
! Combined flux in latest and established models = 0.768317 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 10 components and 0.768317 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.076716Jy  sigma=0.001114
! Fit after  self-cal, rms=0.076620Jy  sigma=0.001113
! 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=0.8246 mas, bmaj=1.6 mas, bpa=-4.825 degrees
! Estimated noise=1691.23 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 = 0.0275237 Jy
! Component: 100  -  total flux cleaned = 0.0408891 Jy
! Total flux subtracted in 100 components = 0.0408891 Jy
! Clean residual min=-0.010564 max=0.012396 Jy/beam
! Clean residual mean=0.000022 rms=0.002827 Jy/beam
! Combined flux in latest and established models = 0.809206 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 19 model components to the UV plane model.
! The established model now contains 26 components and 0.809206 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.069099Jy  sigma=0.000947
! Fit after  self-cal, rms=0.069029Jy  sigma=0.000946
! 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        0.99     FD        1.00     GC        1.01     HH        1.00*    
!   HN        1.00     KK        1.00     KP        0.99     LA        0.99     
!   MC        1.00*    MK        1.00*    NL        1.00     NY        1.01     
!   ON        1.00*    OV        0.98     PT        1.00*    SC        1.00     
!   WF        1.01     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.99     GC        1.02     HH        1.00*    
!   HN        1.00     KK        1.01     KP        0.99     LA        0.99     
!   MC        1.00*    MK        1.00*    NL        0.99     NY        0.99     
!   ON        1.00*    OV        0.99     PT        1.00*    SC        1.01     
!   WF        0.99     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.01     GC        1.02     HH        1.00*    
!   HN        1.00     KK        1.02     KP        0.99     LA        0.98     
!   MC        1.00*    MK        1.00*    NL        0.99     NY        1.00     
!   ON        1.00*    OV        0.99     PT        1.00*    SC        1.01     
!   WF        0.98     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  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        1.02     HH        1.00*    
!   HN        1.00     KK        1.03     KP        0.99     LA        0.99     
!   MC        1.00*    MK        1.00*    NL        0.99     NY        1.07     
!   ON        1.00*    OV        1.00     PT        1.00*    SC        1.00     
!   WF        0.96     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.069029Jy  sigma=0.000946
! Fit after  self-cal, rms=0.068408Jy  sigma=0.000930
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.8292 mas, bmaj=1.61 mas, bpa=-4.689 degrees
! Estimated noise=1684.81 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 = 0.00146924 Jy
! Component: 100  -  total flux cleaned = 0.00213436 Jy
! Total flux subtracted in 100 components = 0.00213436 Jy
! Clean residual min=-0.009346 max=0.013233 Jy/beam
! Clean residual mean=0.000036 rms=0.002534 Jy/beam
! Combined flux in latest and established models = 0.81134 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 33 components and 0.811341 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.068210Jy  sigma=0.000929
! Fit after  self-cal, rms=0.068204Jy  sigma=0.000929
! 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 (-3.9, -12.3).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0104072 Jy
! Component: 100  -  total flux cleaned = 0.0125725 Jy
! Total flux subtracted in 100 components = 0.0125725 Jy
! Clean residual min=-0.008366 max=0.007891 Jy/beam
! Clean residual mean=0.000019 rms=0.002074 Jy/beam
! Combined flux in latest and established models = 0.823913 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 15 model components to the UV plane model.
! The established model now contains 48 components and 0.823913 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.066918Jy  sigma=0.000903
! Fit after  self-cal, rms=0.066382Jy  sigma=0.000896
! Inverting map and beam 
! Estimated beam: bmin=0.8286 mas, bmaj=1.609 mas, bpa=-4.715 degrees
! Estimated noise=1683.31 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 = 0.00331899 Jy
! Component: 100  -  total flux cleaned = 0.00476598 Jy
! Total flux subtracted in 100 components = 0.00476598 Jy
! Clean residual min=-0.008165 max=0.007457 Jy/beam
! Clean residual mean=0.000012 rms=0.001983 Jy/beam
! Combined flux in latest and established models = 0.828679 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 60 components and 0.828679 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.066209Jy  sigma=0.000893
! Fit after  self-cal, rms=0.066193Jy  sigma=0.000893
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 0827+243_X
! Writing UV FITS file: 0827+243_X.uvf
! Writing 60 model components to file: 0827+243_X.mod
! wwins: Wrote 2 windows to 0827+243_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8286 x 1.609 at -4.715 degrees (North through East)
! Clean map  min=-0.0080372  max=0.75857 Jy/beam
! Writing clean map to FITS file: 0827+243_X.fits
! Writing difmap environment to: 0827+243_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 0827+243_X]
device 0827+243_Xuv.ps/vps,1,2
! Attempting to open device: '0827+243_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 0827+243_Xim.ps/vps
! Attempting to open device: '0827+243_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=0.8286 mas, bmaj=1.609 mas, bpa=-4.715 degrees
! Estimated noise=1683.31 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.8286 x 1.609 at -4.715 degrees (North through East)
! Clean map  min=-0.0080372  max=0.75857 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.1]
quit
! Quitting program
! Log file 0827+243_X.log closed on Wed May 14 11:54:22 2008