! Started logfile: NRAO530_S.log on Mon Aug 22 09:28:28 2005
observe NRAO530_S.edt
! Reading UV FITS file: NRAO530_S.edt
! AN table 1: 39 integrations on 171 of 171 possible baselines.
! AN table 2: 47 integrations on 171 of 171 possible baselines.
! AN table 3: 9 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.0848261 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: NRAO530
! 
! 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  2.22497e+09        8e+06          1        8e+06
!  02        2  2.24497e+09        8e+06          1        8e+06
!  03        3  2.33497e+09        8e+06          1        8e+06
!  04        4  2.36497e+09        8e+06          1        8e+06
! 
! Polarization(s): RR
! 
! Read 1565 lines of history.
! 
! Reading 5512 visibilities.
![@gonzo7-0.4 NRAO530_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 720 telescope corrections were flagged in sub-array 1.
!  A total of 659 telescope corrections were flagged in sub-array 2.
!  A total of 171 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 720 telescope corrections were flagged in sub-array 1.
!  A total of 659 telescope corrections were flagged in sub-array 2.
!  A total of 171 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 720 telescope corrections were flagged in sub-array 1.
!  A total of 676 telescope corrections were flagged in sub-array 2.
!  A total of 171 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 720 telescope corrections were flagged in sub-array 1.
!  A total of 659 telescope corrections were flagged in sub-array 2.
!  A total of 171 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=2.601795Jy  sigma=0.036631
! Fit after  self-cal, rms=2.616669Jy  sigma=0.036834
! 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=3.899 mas, bmaj=8.999 mas, bpa=9.974 degrees
! Estimated noise=1274.91 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 = 2.4918 Jy
! Total flux subtracted in 50 components = 2.4918 Jy
! Clean residual min=-0.168045 max=0.695607 Jy/beam
! Clean residual mean=0.001753 rms=0.062544 Jy/beam
! Combined flux in latest and established models = 2.4918 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 2.4918 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=1.291877Jy  sigma=0.018312
! Fit after  self-cal, rms=1.291795Jy  sigma=0.018311
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.625223 Jy
! Total flux subtracted in 50 components = 0.625223 Jy
! Clean residual min=-0.110846 max=0.281447 Jy/beam
! Clean residual mean=0.001360 rms=0.041251 Jy/beam
! Combined flux in latest and established models = 3.11702 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 26 components and 3.11702 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.891285Jy  sigma=0.012655
! Fit after  self-cal, rms=0.891004Jy  sigma=0.012648
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.33772 Jy
! Total flux subtracted in 50 components = 0.33772 Jy
! Clean residual min=-0.093300 max=0.244863 Jy/beam
! Clean residual mean=0.001155 rms=0.033170 Jy/beam
! Combined flux in latest and established models = 3.45474 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 12 model components to the UV plane model.
! The established model now contains 34 components and 3.45474 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.726262Jy  sigma=0.010283
! Fit after  self-cal, rms=0.725778Jy  sigma=0.010273
! Inverting map 
! Added new window around map position (0, 20.4).
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.268298 Jy
! Total flux subtracted in 50 components = 0.268298 Jy
! Clean residual min=-0.081154 max=0.144886 Jy/beam
! Clean residual mean=0.000967 rms=0.027168 Jy/beam
! Combined flux in latest and established models = 3.72304 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 49 components and 3.72304 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.608261Jy  sigma=0.008584
! Fit after  self-cal, rms=0.603944Jy  sigma=0.008538
! 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=4.854 mas, bmaj=10.44 mas, bpa=8.915 degrees
! Estimated noise=895.016 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 = 0.330416 Jy
! Component: 100  -  total flux cleaned = 0.544999 Jy
! Total flux subtracted in 100 components = 0.544999 Jy
! Clean residual min=-0.075745 max=0.119476 Jy/beam
! Clean residual mean=0.002361 rms=0.027816 Jy/beam
! Combined flux in latest and established models = 4.26804 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 53 model components to the UV plane model.
! The established model now contains 97 components and 4.26804 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.402902Jy  sigma=0.005599
! Fit after  self-cal, rms=0.394483Jy  sigma=0.005502
! 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 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.01     KK        1.00*    KP        1.00*    LA        1.01     
!   MC        1.00*    MK        1.00*    NL        1.01     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        0.97     SC        0.96     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.03     FD        1.00     GC        1.00*    HH        1.00*    
!   HN        1.03     KK        1.00*    KP        0.97     LA        0.96     
!   MC        1.00*    MK        1.01     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.98     PT        0.92     SC        1.00     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        0.00*    NY        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.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.03     GC        1.00*    HH        1.00*    
!   HN        1.03     KK        1.00*    KP        1.00*    LA        1.00     
!   MC        1.00*    MK        1.00*    NL        1.02     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        0.97     SC        1.14     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        0.98     GC        1.00*    HH        1.00*    
!   HN        1.03     KK        1.00*    KP        0.96     LA        0.97     
!   MC        1.00*    MK        1.07     NL        0.99     NY        1.00*    
!   ON        1.00*    OV        0.96     PT        0.90     SC        1.05     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        0.00*    NY        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.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.02     GC        1.00*    HH        1.00*    
!   HN        1.12     KK        1.00*    KP        1.00*    LA        1.13     
!   MC        1.00*    MK        1.00*    NL        1.03     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        0.98     SC        1.20     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  A total of 6 telescope corrections were flagged in sub-array 2.
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.93     FD        0.99     GC        1.00*    HH        1.00*    
!   HN        1.02     KK        1.00*    KP        0.97     LA        1.16     
!   MC        1.00*    MK        1.02     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        1.01     PT        0.94     SC        1.07     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        0.00*    NY        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.
!  A total of 3 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00*    FD        1.01     GC        1.00*    HH        1.00*    
!   HN        1.08     KK        1.00*    KP        1.00*    LA        1.02     
!   MC        1.00*    MK        1.00*    NL        1.04     NY        1.00*    
!   ON        1.00*    OV        1.00*    PT        0.97     SC        1.21     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.92     FD        0.97     GC        1.00*    HH        1.00*    
!   HN        1.02     KK        1.00*    KP        0.98     LA        1.00     
!   MC        1.00*    MK        1.02     NL        1.00     NY        1.00*    
!   ON        1.00*    OV        0.85     PT        0.96     SC        1.08     
!   TS        1.00*    WF        1.00*    WZ        1.00*    
! 
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.00*    FD        0.00*    GC        0.00*    HH        0.00*    
!   HN        0.00*    KK        0.00*    KP        0.00*    LA        0.00*    
!   MC        0.00*    MK        0.00*    NL        0.00*    NY        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=0.394483Jy  sigma=0.005502
! Fit after  self-cal, rms=0.263602Jy  sigma=0.003747
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=4.928 mas, bmaj=10.63 mas, bpa=8.571 degrees
! Estimated noise=869.264 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 (-4.4, 24.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.126273 Jy
! Component: 100  -  total flux cleaned = 0.194935 Jy
! Total flux subtracted in 100 components = 0.194935 Jy
! Clean residual min=-0.032248 max=0.040039 Jy/beam
! Clean residual mean=0.000460 rms=0.010600 Jy/beam
! Combined flux in latest and established models = 4.46298 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 116 components and 4.46297 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.203646Jy  sigma=0.002844
! Fit after  self-cal, rms=0.193801Jy  sigma=0.002718
! 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 = 0.0604247 Jy
! Component: 100  -  total flux cleaned = 0.0895342 Jy
! Total flux subtracted in 100 components = 0.0895342 Jy
! Clean residual min=-0.027304 max=0.029655 Jy/beam
! Clean residual mean=0.000227 rms=0.008009 Jy/beam
! Combined flux in latest and established models = 4.55251 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 43 model components to the UV plane model.
! The established model now contains 155 components and 4.55251 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.175733Jy  sigma=0.002449
! Fit after  self-cal, rms=0.149677Jy  sigma=0.002086
! Inverting map and beam 
! Estimated beam: bmin=4.915 mas, bmaj=10.61 mas, bpa=8.606 degrees
! Estimated noise=871.381 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 = 0.038098 Jy
! Component: 100  -  total flux cleaned = 0.0608521 Jy
! Total flux subtracted in 100 components = 0.0608521 Jy
! Clean residual min=-0.013526 max=0.019184 Jy/beam
! Clean residual mean=0.000063 rms=0.005223 Jy/beam
! Combined flux in latest and established models = 4.61336 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 52 model components to the UV plane model.
! The established model now contains 203 components and 4.61336 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.140323Jy  sigma=0.001948
! Fit after  self-cal, rms=0.138187Jy  sigma=0.001921
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save NRAO530_S
! Writing UV FITS file: NRAO530_S.uvf
! Writing 203 model components to file: NRAO530_S.mod
! wwins: Wrote 3 windows to NRAO530_S.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.915 x 10.61 at 8.606 degrees (North through East)
! Clean map  min=-0.014363  max=3.3478 Jy/beam
! Writing clean map to FITS file: NRAO530_S.fits
! Writing difmap environment to: NRAO530_S.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
![@gonzo_plot NRAO530_S]
device NRAO530_Suv.ps/vps,1,2
! Attempting to open device: 'NRAO530_Suv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device NRAO530_Sim.ps/vps
! Attempting to open device: 'NRAO530_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=4.915 mas, bmaj=10.61 mas, bpa=8.606 degrees
! Estimated noise=871.381 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 4.915 x 10.61 at 8.606 degrees (North through East)
! Clean map  min=-0.014363  max=3.3478 Jy/beam
![Exited script file: gonzo_plot]
![Exited script file: gonzo7-0.4]
quit
! Quitting program
! Log file NRAO530_S.log closed on Mon Aug 22 09:29:25 2005