! Started logfile: 1216+487_X.log on Wed May 14 12:49:23 2008
observe 1216+487_X.edt
! Reading UV FITS file: 1216+487_X.edt
! AN table 1: 75 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.290109 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1216+487
! 
! 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 946 lines of history.
! 
! Reading 13316 visibilities.
![@gonzo6-0.1 1216+487_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 = 6.0
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 886 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 828 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 818 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 825 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.672030Jy  sigma=0.009988
! Fit after  self-cal, rms=0.669277Jy  sigma=0.009924
! 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=0.5456 mas, bmaj=0.7153 mas, bpa=-62.63 degrees
! Estimated noise=1191.64 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 = 0.253296 Jy
! Total flux subtracted in 50 components = 0.253296 Jy
! Clean residual min=-0.018636 max=0.070654 Jy/beam
! Clean residual mean=0.000030 rms=0.005436 Jy/beam
! Combined flux in latest and established models = 0.253296 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 0.253296 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.147091Jy  sigma=0.002216
! Fit after  self-cal, rms=0.147101Jy  sigma=0.002216
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0638757 Jy
! Total flux subtracted in 50 components = 0.0638757 Jy
! Clean residual min=-0.013287 max=0.051284 Jy/beam
! Clean residual mean=0.000021 rms=0.004008 Jy/beam
! Combined flux in latest and established models = 0.317172 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 4 model components to the UV plane model.
! The established model now contains 4 components and 0.317172 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.116534Jy  sigma=0.001713
! Fit after  self-cal, rms=0.116162Jy  sigma=0.001710
! Inverting map 
! Added new window around map position (0.9, 0).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.045913 Jy
! Total flux subtracted in 50 components = 0.045913 Jy
! Clean residual min=-0.010897 max=0.018936 Jy/beam
! Clean residual mean=0.000016 rms=0.002865 Jy/beam
! Combined flux in latest and established models = 0.363085 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 9 components and 0.363085 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.097403Jy  sigma=0.001380
! Fit after  self-cal, rms=0.095729Jy  sigma=0.001360
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0249374 Jy
! Total flux subtracted in 50 components = 0.0249374 Jy
! Clean residual min=-0.008411 max=0.012512 Jy/beam
! Clean residual mean=0.000013 rms=0.002229 Jy/beam
! Combined flux in latest and established models = 0.388022 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 13 components and 0.388022 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.088834Jy  sigma=0.001225
! Fit after  self-cal, rms=0.088319Jy  sigma=0.001219
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0163484 Jy
! Total flux subtracted in 50 components = 0.0163484 Jy
! Clean residual min=-0.007881 max=0.010025 Jy/beam
! Clean residual mean=0.000011 rms=0.001916 Jy/beam
! Combined flux in latest and established models = 0.404371 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 8 model components to the UV plane model.
! The established model now contains 15 components and 0.404371 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.084982Jy  sigma=0.001150
! Fit after  self-cal, rms=0.084783Jy  sigma=0.001148
! 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=0.6674 mas, bmaj=0.8963 mas, bpa=-66.72 degrees
! Estimated noise=572.292 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 = 0.0197709 Jy
! Component: 100  -  total flux cleaned = 0.0311775 Jy
! Total flux subtracted in 100 components = 0.0311775 Jy
! Clean residual min=-0.006256 max=0.006862 Jy/beam
! Clean residual mean=0.000015 rms=0.001799 Jy/beam
! Combined flux in latest and established models = 0.435548 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 29 components and 0.435548 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.081135Jy  sigma=0.001066
! Fit after  self-cal, rms=0.080892Jy  sigma=0.001062
! 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        0.98     FD        0.98     GC        0.99     HH        1.00*    
!   HN        0.99     KK        0.98     KP        0.98     LA        0.98     
!   MC        1.00*    MK        1.00     NL        0.98     NY        1.01     
!   ON        1.02     OV        0.99     PT        1.00*    SC        0.99     
!   WF        1.00*    WZ        0.96     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.98     FD        0.98     GC        1.00     HH        1.00*    
!   HN        0.99     KK        0.98     KP        0.98     LA        0.99     
!   MC        1.02     MK        1.00     NL        0.98     NY        1.00     
!   ON        1.02     OV        0.99     PT        1.00*    SC        1.00     
!   WF        1.00*    WZ        0.94     
! 
! 
! Correcting IF 3.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.98     GC        0.99     HH        1.00*    
!   HN        0.99     KK        0.98     KP        0.98     LA        0.99     
!   MC        1.02     MK        1.00     NL        0.98     NY        1.00     
!   ON        1.02     OV        0.99     PT        1.00*    SC        0.98     
!   WF        1.00*    WZ        0.95     
! 
! 
! Correcting IF 4.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.98     GC        0.99     HH        1.00*    
!   HN        0.99     KK        0.99     KP        0.98     LA        0.99     
!   MC        1.03     MK        1.00     NL        0.98     NY        1.00     
!   ON        1.02     OV        0.99     PT        1.00*    SC        0.99     
!   WF        1.00*    WZ        0.95     
! 
! 
! Fit before self-cal, rms=0.080892Jy  sigma=0.001062
! Fit after  self-cal, rms=0.079387Jy  sigma=0.001052
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.6717 mas, bmaj=0.8985 mas, bpa=-66.23 degrees
! Estimated noise=561.007 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 = 0.00581078 Jy
! Component: 100  -  total flux cleaned = 0.00837108 Jy
! Total flux subtracted in 100 components = 0.00837108 Jy
! Clean residual min=-0.004679 max=0.006143 Jy/beam
! Clean residual mean=0.000008 rms=0.001312 Jy/beam
! Combined flux in latest and established models = 0.443919 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 43 components and 0.443919 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.079079Jy  sigma=0.001044
! Fit after  self-cal, rms=0.079034Jy  sigma=0.001043
! 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 (3.1, 0.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00657847 Jy
! Component: 100  -  total flux cleaned = 0.0109247 Jy
! Total flux subtracted in 100 components = 0.0109247 Jy
! Clean residual min=-0.004109 max=0.005128 Jy/beam
! Clean residual mean=0.000006 rms=0.001070 Jy/beam
! Combined flux in latest and established models = 0.454844 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 21 model components to the UV plane model.
! The established model now contains 62 components and 0.454844 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078557Jy  sigma=0.001032
! Fit after  self-cal, rms=0.078682Jy  sigma=0.001028
! Inverting map and beam 
! Estimated beam: bmin=0.6724 mas, bmaj=0.8969 mas, bpa=-66.07 degrees
! Estimated noise=562.085 mJy/beam.
! Added new window around map position (5.9, -11.3).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00493755 Jy
! Component: 100  -  total flux cleaned = 0.00833433 Jy
! Total flux subtracted in 100 components = 0.00833433 Jy
! Clean residual min=-0.003775 max=0.003665 Jy/beam
! Clean residual mean=0.000006 rms=0.000907 Jy/beam
! Combined flux in latest and established models = 0.463178 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 81 components and 0.463178 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078414Jy  sigma=0.001022
! Fit after  self-cal, rms=0.078525Jy  sigma=0.001021
! Inverting map and beam 
! Estimated beam: bmin=0.6725 mas, bmaj=0.8968 mas, bpa=-66.04 degrees
! Estimated noise=562.435 mJy/beam.
! Added new window around map position (-17.9, -17.8).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00361183 Jy
! Component: 100  -  total flux cleaned = 0.0062671 Jy
! Total flux subtracted in 100 components = 0.0062671 Jy
! Clean residual min=-0.003588 max=0.003341 Jy/beam
! Clean residual mean=0.000006 rms=0.000826 Jy/beam
! Combined flux in latest and established models = 0.469445 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 24 model components to the UV plane model.
! The established model now contains 88 components and 0.469445 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078352Jy  sigma=0.001018
! Fit after  self-cal, rms=0.078436Jy  sigma=0.001018
! Inverting map and beam 
! Estimated beam: bmin=0.6722 mas, bmaj=0.8965 mas, bpa=-66.02 degrees
! Estimated noise=562.927 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 = 0.00259915 Jy
! Component: 100  -  total flux cleaned = 0.00433762 Jy
! Total flux subtracted in 100 components = 0.00433762 Jy
! Clean residual min=-0.003498 max=0.003216 Jy/beam
! Clean residual mean=0.000005 rms=0.000783 Jy/beam
! Combined flux in latest and established models = 0.473783 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 98 components and 0.473783 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.078339Jy  sigma=0.001016
! Fit after  self-cal, rms=0.078306Jy  sigma=0.001016
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1216+487_X
! Writing UV FITS file: 1216+487_X.uvf
! Writing 98 model components to file: 1216+487_X.mod
! wwins: Wrote 5 windows to 1216+487_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6722 x 0.8965 at -66.02 degrees (North through East)
! Clean map  min=-0.0033728  max=0.32792 Jy/beam
! Writing clean map to FITS file: 1216+487_X.fits
! Writing difmap environment to: 1216+487_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1216+487_X]
device 1216+487_Xuv.ps/vps,1,2
! Attempting to open device: '1216+487_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1216+487_Xim.ps/vps
! Attempting to open device: '1216+487_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=0.6722 mas, bmaj=0.8965 mas, bpa=-66.02 degrees
! Estimated noise=562.927 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.6722 x 0.8965 at -66.02 degrees (North through East)
! Clean map  min=-0.0033728  max=0.32792 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo6-0.1]
quit
! Quitting program
! Log file 1216+487_X.log closed on Wed May 14 12:49:34 2008