! Started logfile: 2234+282_X.log on Mon May 13 13:53:07 2002
observe 2234+282_X.edt
! Reading UV FITS file: 2234+282_X.edt
! AN table 1: 26 integrations on 171 of 171 possible baselines.
! AN table 2: 27 integrations on 171 of 171 possible baselines.
! AN table 3: 280 integrations on 171 of 171 possible baselines.
! Apparent sampling: 0.0845407 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! Found source: 2234+282
! 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.
! 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 1606 lines of history.
! 
! Reading 19256 visibilities.
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 464 telescope corrections were flagged in sub-array 1.
!  A total of 513 telescope corrections were flagged in sub-array 2.
!  A total of 4609 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 2.
!  A total of 461 telescope corrections were flagged in sub-array 1.
!  A total of 513 telescope corrections were flagged in sub-array 2.
!  A total of 4609 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 3.
!  A total of 461 telescope corrections were flagged in sub-array 1.
!  A total of 513 telescope corrections were flagged in sub-array 2.
!  A total of 4609 telescope corrections were flagged in sub-array 3.
! 
! Correcting IF 4.
!  A total of 461 telescope corrections were flagged in sub-array 1.
!  A total of 513 telescope corrections were flagged in sub-array 2.
!  A total of 4616 telescope corrections were flagged in sub-array 3.
! 
! Fit before self-cal, rms=0.322348Jy  sigma=2.285040
! Fit after  self-cal, rms=0.322409Jy  sigma=2.286375
! 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=0.5202 mas, bmaj=0.9122 mas, bpa=-17.31 degrees
! Estimated noise=1.51357 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 = 0.685672 Jy
! Total flux subtracted in 50 components = 0.685672 Jy
! Clean residual min=-0.053229 max=0.240559 Jy/beam
! Clean residual mean=0.000039 rms=0.013526 Jy/beam
! Combined flux in latest and established models = 0.685672 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 0.685672 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.470957Jy  sigma=3.328492
! Fit after  self-cal, rms=0.470937Jy  sigma=3.328350
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.263428 Jy
! Total flux subtracted in 50 components = 0.263428 Jy
! Clean residual min=-0.027475 max=0.122557 Jy/beam
! Clean residual mean=-0.000019 rms=0.007484 Jy/beam
! Combined flux in latest and established models = 0.949101 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 6 components and 0.949101 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.278044Jy  sigma=1.958919
! Fit after  self-cal, rms=0.277882Jy  sigma=1.957764
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.136736 Jy
! Total flux subtracted in 50 components = 0.136736 Jy
! Clean residual min=-0.017046 max=0.064069 Jy/beam
! Clean residual mean=-0.000048 rms=0.004692 Jy/beam
! Combined flux in latest and established models = 1.08584 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 7 components and 1.08584 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.189145Jy  sigma=1.323729
! Fit after  self-cal, rms=0.188994Jy  sigma=1.322661
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0716187 Jy
! Total flux subtracted in 50 components = 0.0716187 Jy
! Clean residual min=-0.012936 max=0.034379 Jy/beam
! Clean residual mean=-0.000064 rms=0.003574 Jy/beam
! Combined flux in latest and established models = 1.15746 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 10 model components to the UV plane model.
! The established model now contains 12 components and 1.15746 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.151199Jy  sigma=1.050323
! Fit after  self-cal, rms=0.151109Jy  sigma=1.049677
! Inverting map 
! clean: niter=50  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.0416666 Jy
! Total flux subtracted in 50 components = 0.0416666 Jy
! Clean residual min=-0.012445 max=0.022114 Jy/beam
! Clean residual mean=-0.000073 rms=0.003116 Jy/beam
! Combined flux in latest and established models = 1.19912 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 9 model components to the UV plane model.
! The established model now contains 18 components and 1.19912 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.134523Jy  sigma=0.929565
! Fit after  self-cal, rms=0.134472Jy  sigma=0.929195
! 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=0.7011 mas, bmaj=1.135 mas, bpa=-21.42 degrees
! Estimated noise=0.855974 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 = 0.0501794 Jy
! Component: 100  -  total flux cleaned = 0.0767705 Jy
! Total flux subtracted in 100 components = 0.0767705 Jy
! Clean residual min=-0.010264 max=0.016020 Jy/beam
! Clean residual mean=-0.000311 rms=0.002849 Jy/beam
! Combined flux in latest and established models = 1.27589 Jy
! Performing phase self-cal over 0.6 minute time intervals
! Adding 32 model components to the UV plane model.
! The established model now contains 41 components and 1.27589 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.116932Jy  sigma=0.801708
! Fit after  self-cal, rms=0.116915Jy  sigma=0.801592
! 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 30 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        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*    KK        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        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*    KK        0.00*    WZ        0.00*    
! 
!  A total of 39 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.96     FD        0.98     GC        0.99     GG        1.00*    
!   HN        0.97     KP        0.97     LA        0.98     MC        1.22     
!   MK        0.98     NL        0.97     NY        1.01     ON        1.03     
!   OV        0.97     PT        0.98     SC        1.00     TS        1.02     
!   WF        1.14     KK        0.94     WZ        1.10     
! 
! 
! Correcting IF 2.
!  A total of 33 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        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*    KK        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        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*    KK        0.00*    WZ        0.00*    
! 
!  A total of 39 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.98     FD        0.97     GC        0.97     GG        1.00*    
!   HN        0.99     KP        0.97     LA        0.99     MC        1.23     
!   MK        0.98     NL        0.98     NY        1.02     ON        1.03     
!   OV        0.96     PT        0.98     SC        1.01     TS        1.00     
!   WF        1.15     KK        0.96     WZ        1.11     
! 
! 
! Correcting IF 3.
!  A total of 33 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        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*    KK        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        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*    KK        0.00*    WZ        0.00*    
! 
!  A total of 39 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        0.99     FD        0.99     GC        1.01     GG        1.00*    
!   HN        1.00     KP        0.99     LA        1.01     MC        1.27     
!   MK        0.99     NL        0.99     NY        1.04     ON        1.08     
!   OV        0.98     PT        0.99     SC        1.02     TS        1.04     
!   WF        1.15     KK        0.95     WZ        1.13     
! 
! 
! Correcting IF 4.
!  A total of 33 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        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*    KK        0.00*    WZ        0.00*    
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.00*    FD        0.00*    GC        0.00*    GG        0.00*    
!   HN        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*    KK        0.00*    WZ        0.00*    
! 
!  A total of 42 telescope corrections were flagged in sub-array 3.
!  Telescope amplitude corrections in sub-array 3:
!   BR        1.00     FD        1.00     GC        0.98     GG        1.00*    
!   HN        1.01     KP        0.99     LA        1.00     MC        1.00*    
!   MK        1.00     NL        1.00     NY        1.04     ON        1.08     
!   OV        0.99     PT        1.00     SC        1.04     TS        1.06     
!   WF        1.17     KK        0.96     WZ        1.12     
! 
! 
! Fit before self-cal, rms=0.116915Jy  sigma=0.801592
! Fit after  self-cal, rms=0.099356Jy  sigma=0.648188
dynam = dynam - 0.5
doamp = false
flux_cutoff = imstat(rms) * dynam
! Inverting map and beam 
! Estimated beam: bmin=0.7149 mas, bmaj=1.151 mas, bpa=-22.29 degrees
! Estimated noise=0.864341 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 = 0.00273327 Jy
! Component: 100  -  total flux cleaned = 0.00290676 Jy
! Total flux subtracted in 100 components = 0.00290676 Jy
! Clean residual min=-0.004491 max=0.004194 Jy/beam
! Clean residual mean=0.000107 rms=0.001087 Jy/beam
! Combined flux in latest and established models = 1.2788 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 44 components and 1.2788 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.098984Jy  sigma=0.645545
! Fit after  self-cal, rms=0.098980Jy  sigma=0.645464
! 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 = 3.60774e-05 Jy
! Component: 100  -  total flux cleaned = 0.000284326 Jy
! Total flux subtracted in 100 components = 0.000284326 Jy
! Clean residual min=-0.004393 max=0.004156 Jy/beam
! Clean residual mean=0.000107 rms=0.001074 Jy/beam
! Combined flux in latest and established models = 1.27908 Jy
! Performing amp+phase self-cal over 1 minute time intervals
! Adding 6 model components to the UV plane model.
! The established model now contains 45 components and 1.27908 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.098816Jy  sigma=0.644339
! Fit after  self-cal, rms=0.096286Jy  sigma=0.623540
! Inverting map and beam 
! Estimated beam: bmin=0.7152 mas, bmaj=1.151 mas, bpa=-22.54 degrees
! Estimated noise=0.864611 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)
! Added new window around map position (-1.1, -0.4).
! clean: niter=100  gain=0.03  cutoff=0
! Component: 050  -  total flux cleaned = 0.00414585 Jy
! Component: 100  -  total flux cleaned = 0.00544692 Jy
! Total flux subtracted in 100 components = 0.00544692 Jy
! Clean residual min=-0.002385 max=0.003097 Jy/beam
! Clean residual mean=0.000097 rms=0.000676 Jy/beam
! Combined flux in latest and established models = 1.28453 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 56 components and 1.28453 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.096050Jy  sigma=0.621762
! Fit after  self-cal, rms=0.096041Jy  sigma=0.621667
! Inverting map 
print "***********************************"
! *********************************** 
print "*** Finished Amplitude Self-Cal ***"
! *** Finished Amplitude Self-Cal *** 
print "***********************************"
! *********************************** 
save 2234+282_X
! Writing UV FITS file: 2234+282_X.uvf
! Writing 56 model components to file: 2234+282_X.mod
! wwins: Wrote 2 windows to 2234+282_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7152 x 1.151 at -22.54 degrees (North through East)
! Clean map  min=-0.0022882  max=0.99678 Jy/beam
! Writing clean map to FITS file: 2234+282_X.fits
! Writing difmap environment to: 2234+282_X.par
print "****************************"
! **************************** 
print "*** Now, make some plots ***"
! *** Now, make some plots *** 
print "****************************"
! **************************** 
device 2234+282_Xuv.ps/vps,1,2
! Attempting to open device: '2234+282_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
! Using default options string ""
device 2234+282_Xim.ps/vps
! Attempting to open device: '2234+282_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=0.7152 mas, bmaj=1.151 mas, bpa=-22.54 degrees
! Estimated noise=0.864611 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7152 x 1.151 at -22.54 degrees (North through East)
! Clean map  min=-0.0022882  max=0.99678 Jy/beam
quit
! Quitting program
! Log file 2234+282_X.log closed on Mon May 13 13:53:59 2002