! Started logfile: 1923+210_S.log on Mon Feb  5 21:11:43 2007
observe 1923+210_S.edt
! Reading UV FITS file: 1923+210_S.edt
! AN table 1: 103 integrations on 153 of 153 possible baselines.
! Apparent sampling: 0.130021 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 1923+210
! 
! 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  2.22997e+09        8e+06          1        8e+06
!  02        2  2.25997e+09        8e+06          1        8e+06
!  03        3  2.34997e+09        8e+06          1        8e+06
!  04        4  2.36997e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1912 lines of history.
! 
! Reading 8196 visibilities.
![@gonzo7-0.4 1923+210_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 = 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 0.400x0.400 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 1361 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 2.
!  A total of 1365 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 3.
!  A total of 1372 telescope corrections were flagged in sub-array 1.
! 
! Correcting IF 4.
!  A total of 1364 telescope corrections were flagged in sub-array 1.
! 
! Fit before self-cal, rms=0.505850Jy  sigma=0.007399
! Fit after  self-cal, rms=0.503210Jy  sigma=0.007421
! 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=2.349 mas, bmaj=3.784 mas, bpa=-13.49 degrees
! Estimated noise=1199.67 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 = 0.381721 Jy
! Total flux subtracted in 50 components = 0.381721 Jy
! Clean residual min=-0.037676 max=0.137125 Jy/beam
! Clean residual mean=-0.000063 rms=0.012904 Jy/beam
! Combined flux in latest and established models = 0.381721 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 0.381721 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.316712Jy  sigma=0.005431
! Fit after  self-cal, rms=0.316544Jy  sigma=0.005429
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.147808 Jy
! Total flux subtracted in 50 components = 0.147808 Jy
! Clean residual min=-0.026184 max=0.074357 Jy/beam
! Clean residual mean=-0.000040 rms=0.008928 Jy/beam
! Combined flux in latest and established models = 0.529529 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 13 components and 0.529528 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.232063Jy  sigma=0.003948
! Fit after  self-cal, rms=0.231861Jy  sigma=0.003946
! Inverting map 
! Added new window around map position (-3.6, -1.2).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0882289 Jy
! Total flux subtracted in 50 components = 0.0882289 Jy
! Clean residual min=-0.020325 max=0.048745 Jy/beam
! Clean residual mean=-0.000027 rms=0.006966 Jy/beam
! Combined flux in latest and established models = 0.617757 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 32 components and 0.617757 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.189621Jy  sigma=0.003172
! Fit after  self-cal, rms=0.188755Jy  sigma=0.003164
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0649927 Jy
! Total flux subtracted in 50 components = 0.0649927 Jy
! Clean residual min=-0.016405 max=0.036988 Jy/beam
! Clean residual mean=-0.000019 rms=0.005596 Jy/beam
! Combined flux in latest and established models = 0.68275 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 53 components and 0.68275 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.161297Jy  sigma=0.002645
! Fit after  self-cal, rms=0.160780Jy  sigma=0.002640
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0500769 Jy
! Total flux subtracted in 50 components = 0.0500769 Jy
! Clean residual min=-0.013656 max=0.030436 Jy/beam
! Clean residual mean=-0.000012 rms=0.004615 Jy/beam
! Combined flux in latest and established models = 0.732827 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 27 model components to the UV plane model.
! The established model now contains 73 components and 0.732827 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.142211Jy  sigma=0.002279
! Fit after  self-cal, rms=0.141898Jy  sigma=0.002276
! 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=3.161 mas, bmaj=4.537 mas, bpa=-17.02 degrees
! Estimated noise=608.357 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 = 0.0695383 Jy
! Component: 100  -  total flux cleaned = 0.111792 Jy
! Total flux subtracted in 100 components = 0.111792 Jy
! Clean residual min=-0.015608 max=0.028759 Jy/beam
! Clean residual mean=0.000089 rms=0.004565 Jy/beam
! Combined flux in latest and established models = 0.844619 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 45 model components to the UV plane model.
! The established model now contains 98 components and 0.844619 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.112051Jy  sigma=0.001652
! Fit after  self-cal, rms=0.111267Jy  sigma=0.001640
! Inverting map 
! Added new window around map position (-7.2, -1.6).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0314815 Jy
! Component: 100  -  total flux cleaned = 0.0514321 Jy
! Total flux subtracted in 100 components = 0.0514321 Jy
! Clean residual min=-0.012342 max=0.016200 Jy/beam
! Clean residual mean=0.000067 rms=0.002995 Jy/beam
! Combined flux in latest and established models = 0.896051 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 26 model components to the UV plane model.
! The established model now contains 121 components and 0.896051 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.102854Jy  sigma=0.001488
! Fit after  self-cal, rms=0.102395Jy  sigma=0.001480
! 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 36 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        1.12     GC        1.00     HH        1.00*    HN        1.01     
!   LA        1.09     MC        1.00*    MK        0.96     NY        1.06     
!   ON        1.00*    OV        1.01     PT        0.98     SC        1.00*    
!   TS        1.04     WF        1.11     BR        0.93     KK        0.93     
!   KP        0.95     WZ        1.00*    
! 
! 
! Correcting IF 2.
!  A total of 33 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.99     GC        0.98     HH        1.00*    HN        0.99     
!   LA        1.04     MC        1.00*    MK        1.03     NY        1.02     
!   ON        1.00*    OV        1.04     PT        0.95     SC        1.00*    
!   TS        1.03     WF        1.08     BR        0.99     KK        0.90     
!   KP        0.97     WZ        1.00*    
! 
! 
! Correcting IF 3.
!  A total of 42 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.91     GC        1.01     HH        1.00*    HN        1.19     
!   LA        0.93     MC        1.00*    MK        1.01     NY        1.06     
!   ON        1.00*    OV        1.03     PT        1.04     SC        1.00*    
!   TS        0.94     WF        1.21     BR        1.00     KK        0.92     
!   KP        0.99     WZ        1.00*    
! 
! 
! Correcting IF 4.
!  A total of 48 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   FD        0.88     GC        1.11     HH        1.00*    HN        1.10     
!   LA        0.82     MC        1.00*    MK        0.98     NY        1.11     
!   ON        1.00*    OV        0.92     PT        1.05     SC        1.00*    
!   TS        1.08     WF        1.16     BR        0.98     KK        0.94     
!   KP        1.01     WZ        1.00*    
! 
! 
! Fit before self-cal, rms=0.102395Jy  sigma=0.001480
! Fit after  self-cal, rms=0.089213Jy  sigma=0.001204
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=3.176 mas, bmaj=4.62 mas, bpa=-17.09 degrees
! Estimated noise=604.666 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 (-14.4, -5.2).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0103698 Jy
! Component: 100  -  total flux cleaned = 0.0132286 Jy
! Total flux subtracted in 100 components = 0.0132286 Jy
! Clean residual min=-0.006677 max=0.005834 Jy/beam
! Clean residual mean=0.000041 rms=0.001369 Jy/beam
! Combined flux in latest and established models = 0.909279 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 149 components and 0.90928 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.088187Jy  sigma=0.001182
! Fit after  self-cal, rms=0.088073Jy  sigma=0.001179
! 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 = 0.00359757 Jy
! Component: 100  -  total flux cleaned = 0.00443942 Jy
! Total flux subtracted in 100 components = 0.00443942 Jy
! Clean residual min=-0.006295 max=0.005256 Jy/beam
! Clean residual mean=0.000037 rms=0.001260 Jy/beam
! Combined flux in latest and established models = 0.913719 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 25 model components to the UV plane model.
! The established model now contains 163 components and 0.913719 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.087710Jy  sigma=0.001173
! Fit after  self-cal, rms=0.085460Jy  sigma=0.001130
! Inverting map and beam 
! Estimated beam: bmin=3.176 mas, bmaj=4.62 mas, bpa=-17.3 degrees
! Estimated noise=606.744 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 = 0.00441808 Jy
! Component: 100  -  total flux cleaned = 0.0062574 Jy
! Total flux subtracted in 100 components = 0.0062574 Jy
! Clean residual min=-0.005567 max=0.004446 Jy/beam
! Clean residual mean=0.000016 rms=0.001019 Jy/beam
! Combined flux in latest and established models = 0.919976 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 26 model components to the UV plane model.
! The established model now contains 177 components and 0.919976 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.085227Jy  sigma=0.001126
! Fit after  self-cal, rms=0.085226Jy  sigma=0.001125
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 1923+210_S
! Writing UV FITS file: 1923+210_S.uvf
! Writing 177 model components to file: 1923+210_S.mod
! wwins: Wrote 4 windows to 1923+210_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.176 x 4.62 at -17.3 degrees (North through East)
! Clean map  min=-0.0055245  max=0.54333 Jy/beam
! Writing clean map to FITS file: 1923+210_S.fits
! Writing difmap environment to: 1923+210_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot 1923+210_S]
device 1923+210_Suv.ps/vps,1,2
! Attempting to open device: '1923+210_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 1923+210_Sim.ps/vps
! Attempting to open device: '1923+210_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=3.176 mas, bmaj=4.62 mas, bpa=-17.3 degrees
! Estimated noise=606.744 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 3.176 x 4.62 at -17.3 degrees (North through East)
! Clean map  min=-0.0055245  max=0.54333 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file 1923+210_S.log closed on Mon Feb  5 21:12:06 2007