! Started logfile: CTA102_X.log on Fri Nov 20 14:00:21 1998
observe CTA102_X.edt
! Reading UV FITS file: CTA102_X.edt
! AN table 1: 67 integrations on 91 of 91 possible baselines.
! AN table 2: 34 integrations on 67 of 91 possible baselines.
! Apparent sampling: 0.58603 visibilities/baseline/integration-bin.
! Found source: CTA102
! 
! 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 744 lines of history.
! 
! Reading 19632 visibilities.
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
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.
mapsi 1024,0.1
! Map grid = 1024x1024 pixels with 0.100x0.100 milli-arcsec cellsize.
mapp
! Inverting map and beam 
! Estimated beam: bmin=0.7097 mas, bmaj=1.479 mas, bpa=-9.126 degrees
! Estimated noise=1.09643 mJy/beam.
! 
! Move the cursor into the plot window and press 'H' for help
peakw 1.5
! Added new window around map position (0, 0).
clean
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 1.55089 Jy
! Component: 100  -  total flux cleaned = 1.85911 Jy
! Total flux subtracted in 100 components = 1.85911 Jy
! Clean residual min=-0.095283 max=0.375869 Jy/beam
! Clean residual mean=0.001331 rms=0.042213 Jy/beam
! Combined flux in latest and established models = 1.85911 Jy
selfcal
! Performing phase self-cal
! Adding 18 model components to the UV plane model.
! The established model now contains 18 components and 1.85911 Jy
! 
! Correcting IF 1.
!  A total of 228 telescope corrections were flagged in sub-array 1.
!  A total of 403 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 228 telescope corrections were flagged in sub-array 1.
!  A total of 403 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 179 telescope corrections were flagged in sub-array 1.
!  A total of 399 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 179 telescope corrections were flagged in sub-array 1.
!  A total of 399 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.620897Jy  sigma=3.063159
! Fit after  self-cal, rms=0.619728Jy  sigma=3.057252
mapp
! Inverting map and beam 
! Estimated beam: bmin=0.7097 mas, bmaj=1.479 mas, bpa=-9.129 degrees
! Estimated noise=1.09644 mJy/beam.
! 
! Move the cursor into the plot window and press 'H' for help
peakw 1.5
! Added new window around map position (1.2, -1.7).
clean
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.449876 Jy
! Component: 100  -  total flux cleaned = 0.614947 Jy
! Total flux subtracted in 100 components = 0.614947 Jy
! Clean residual min=-0.065412 max=0.205820 Jy/beam
! Clean residual mean=0.000635 rms=0.028046 Jy/beam
! Combined flux in latest and established models = 2.47406 Jy
selfcal
! Performing phase self-cal
! Adding 43 model components to the UV plane model.
! The established model now contains 61 components and 2.47406 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.419781Jy  sigma=2.069752
! Fit after  self-cal, rms=0.394950Jy  sigma=1.947093
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
clean
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.103832 Jy
! Component: 100  -  total flux cleaned = 0.1047 Jy
! Total flux subtracted in 100 components = 0.1047 Jy
! Clean residual min=-0.059187 max=0.199394 Jy/beam
! Clean residual mean=0.000516 rms=0.025471 Jy/beam
! Combined flux in latest and established models = 2.57876 Jy
selfcal
! Performing phase self-cal
! Adding 26 model components to the UV plane model.
! The established model now contains 80 components and 2.57876 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.371580Jy  sigma=1.831236
! Fit after  self-cal, rms=0.368958Jy  sigma=1.818242
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
peakw 2
! Added new window around map position (2.7, -6).
clean
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.285122 Jy
! Component: 100  -  total flux cleaned = 0.417556 Jy
! Total flux subtracted in 100 components = 0.417556 Jy
! Clean residual min=-0.037894 max=0.080770 Jy/beam
! Clean residual mean=-0.000272 rms=0.013965 Jy/beam
! Combined flux in latest and established models = 2.99631 Jy
selfcal
! Performing phase self-cal
! Adding 46 model components to the UV plane model.
! The established model now contains 126 components and 2.99631 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.230407Jy  sigma=1.136860
! Fit after  self-cal, rms=0.226621Jy  sigma=1.118442
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
clean
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.0804497 Jy
! Component: 100  -  total flux cleaned = 0.121802 Jy
! Total flux subtracted in 100 components = 0.121802 Jy
! Clean residual min=-0.034211 max=0.075977 Jy/beam
! Clean residual mean=-0.000481 rms=0.012066 Jy/beam
! Combined flux in latest and established models = 3.11812 Jy
selfcal
! Performing phase self-cal
! Adding 34 model components to the UV plane model.
! The established model now contains 147 components and 3.11812 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.209543Jy  sigma=1.034316
! Fit after  self-cal, rms=0.209006Jy  sigma=1.031696
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
peakw 2
! Added new window around map position (3.2, -8.9).
mapp
! 
! Move the cursor into the plot window and press 'H' for help
clean
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.100107 Jy
! Component: 100  -  total flux cleaned = 0.144303 Jy
! Total flux subtracted in 100 components = 0.144303 Jy
! Clean residual min=-0.027910 max=0.053699 Jy/beam
! Clean residual mean=-0.000711 rms=0.009438 Jy/beam
! Combined flux in latest and established models = 3.26242 Jy
selfcal
! Performing phase self-cal
! Adding 25 model components to the UV plane model.
! The established model now contains 168 components and 3.26242 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.181055Jy  sigma=0.893694
! Fit after  self-cal, rms=0.179903Jy  sigma=0.888101
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
peakw 1.5
! Added new window around map position (1.2, -4.4).
mapp
! 
! Move the cursor into the plot window and press 'H' for help
clean
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.0654436 Jy
! Component: 100  -  total flux cleaned = 0.0888274 Jy
! Total flux subtracted in 100 components = 0.0888274 Jy
! Clean residual min=-0.027013 max=0.033585 Jy/beam
! Clean residual mean=-0.000862 rms=0.007935 Jy/beam
! Combined flux in latest and established models = 3.35125 Jy
selfcal
! Performing phase self-cal
! Adding 31 model components to the UV plane model.
! The established model now contains 195 components and 3.35125 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.164966Jy  sigma=0.814924
! Fit after  self-cal, rms=0.163663Jy  sigma=0.808523
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
clean
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.0217628 Jy
! Component: 100  -  total flux cleaned = 0.0320278 Jy
! Total flux subtracted in 100 components = 0.0320278 Jy
! Clean residual min=-0.026275 max=0.032811 Jy/beam
! Clean residual mean=-0.000916 rms=0.007311 Jy/beam
! Combined flux in latest and established models = 3.38327 Jy
selfcal
! Performing phase self-cal
! Adding 26 model components to the UV plane model.
! The established model now contains 208 components and 3.38327 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.158412Jy  sigma=0.782790
! Fit after  self-cal, rms=0.158144Jy  sigma=0.781481
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
clean
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.0109834 Jy
! Component: 100  -  total flux cleaned = 0.0172165 Jy
! Total flux subtracted in 100 components = 0.0172165 Jy
! Clean residual min=-0.026511 max=0.032436 Jy/beam
! Clean residual mean=-0.000947 rms=0.007029 Jy/beam
! Combined flux in latest and established models = 3.40049 Jy
selfcal
! Performing phase self-cal
! Adding 26 model components to the UV plane model.
! The established model now contains 218 components and 3.40049 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.155149Jy  sigma=0.766778
! Fit after  self-cal, rms=0.155039Jy  sigma=0.766246
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
radp
! Using default options string "m1"
! Move the cursor into the plot window and press 'H' for help
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.02     GC        1.00*    GN        1.00     
!   HN        1.00     KP        0.99     LA        0.97     MC        1.05     
!   NL        1.02     NY        1.06     OV        1.05     PT        0.99     
!   SC        0.96     WF        1.25     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.04     FD        1.04     GC        1.00*    HN        1.04     
!   KK        0.93     KP        1.04     LA        1.04     MC        1.00*    
!   MK        0.91     NL        1.06     ON        1.00*    OV        1.04     
!   PT        1.03     WF        1.06     
! 
! 
! Correcting IF 2.
!  A total of 6 telescope corrections were flagged in sub-array 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.03     GC        1.00*    GN        1.02     
!   HN        0.99     KP        0.99     LA        0.98     MC        1.03     
!   NL        1.02     NY        1.06     OV        1.05     PT        0.98     
!   SC        0.98     WF        1.17     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.03     FD        1.05     GC        1.00*    HN        1.05     
!   KK        0.93     KP        1.03     LA        1.04     MC        1.00*    
!   MK        0.90     NL        1.05     ON        1.00*    OV        1.05     
!   PT        1.03     WF        1.05     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        0.99     GC        0.99     GN        1.00     
!   HN        0.96     KP        0.99     LA        0.97     MC        1.00     
!   NL        1.01     NY        1.03     OV        1.02     PT        0.99     
!   SC        0.95     WF        1.16     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.99     FD        1.03     GC        1.11     HN        1.03     
!   KK        0.94     KP        1.02     LA        1.04     MC        1.00*    
!   MK        0.86     NL        1.04     ON        1.00*    OV        1.01     
!   PT        1.03     WF        1.07     
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        0.99     FD        0.98     GC        1.00     GN        1.00     
!   HN        0.95     KP        0.99     LA        0.96     MC        1.02     
!   NL        1.00     NY        1.02     OV        1.01     PT        0.98     
!   SC        0.95     WF        1.10     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        1.01     GC        1.11     HN        1.04     
!   KK        0.91     KP        1.02     LA        1.02     MC        1.00*    
!   MK        0.85     NL        1.02     ON        1.00*    OV        1.01     
!   PT        1.02     WF        1.05     
! 
! 
! Fit before self-cal, rms=0.155039Jy  sigma=0.766246
! Fit after  self-cal, rms=0.132244Jy  sigma=0.644537
radp
! Using default options string "m1"
! Move the cursor into the plot window and press 'H' for help
clean
! Inverting map and beam 
! Estimated beam: bmin=0.7129 mas, bmaj=1.47 mas, bpa=-8.821 degrees
! Estimated noise=1.09823 mJy/beam.
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = -0.00931016 Jy
! Component: 100  -  total flux cleaned = -0.0112047 Jy
! Total flux subtracted in 100 components = -0.0112047 Jy
! Clean residual min=-0.021408 max=0.027591 Jy/beam
! Clean residual mean=-0.000075 rms=0.005324 Jy/beam
! Combined flux in latest and established models = 3.38929 Jy
selfcal
! Performing phase self-cal
! Adding 21 model components to the UV plane model.
! The established model now contains 236 components and 3.38929 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.127888Jy  sigma=0.622919
! Fit after  self-cal, rms=0.127808Jy  sigma=0.622468
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
clean
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = -0.00135725 Jy
! Component: 100  -  total flux cleaned = -0.00133271 Jy
! Total flux subtracted in 100 components = -0.00133271 Jy
! Clean residual min=-0.020433 max=0.026981 Jy/beam
! Clean residual mean=-0.000073 rms=0.005200 Jy/beam
! Combined flux in latest and established models = 3.38795 Jy
selfcal
! Performing phase self-cal
! Adding 25 model components to the UV plane model.
! The established model now contains 245 components and 3.38795 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.125690Jy  sigma=0.611945
! Fit after  self-cal, rms=0.125659Jy  sigma=0.611808
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
peakw 2
! Added new window around map position (5.3, -8.7).
mapp
! 
! Move the cursor into the plot window and press 'H' for help
clean
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.0370343 Jy
! Component: 100  -  total flux cleaned = 0.0424148 Jy
! Total flux subtracted in 100 components = 0.0424148 Jy
! Clean residual min=-0.019716 max=0.018200 Jy/beam
! Clean residual mean=-0.000126 rms=0.004543 Jy/beam
! Combined flux in latest and established models = 3.43037 Jy
selfcal
! Performing phase self-cal
! Adding 22 model components to the UV plane model.
! The established model now contains 265 components and 3.43037 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119689Jy  sigma=0.581647
! Fit after  self-cal, rms=0.119349Jy  sigma=0.579974
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
radp
! Using default options string "m1"
! Move the cursor into the plot window and press 'H' for help
selfcal true,true
! Performing amp+phase self-cal
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.119349Jy  sigma=0.579974
! Fit after  self-cal, rms=0.111733Jy  sigma=0.541276
radp
! Using default options string "m1"
! Move the cursor into the plot window and press 'H' for help
clean
! Inverting map and beam 
! Estimated beam: bmin=0.7152 mas, bmaj=1.466 mas, bpa=-8.722 degrees
! Estimated noise=1.09822 mJy/beam.
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.00332979 Jy
! Component: 100  -  total flux cleaned = 0.00469082 Jy
! Total flux subtracted in 100 components = 0.00469082 Jy
! Clean residual min=-0.018506 max=0.016907 Jy/beam
! Clean residual mean=-0.000029 rms=0.004068 Jy/beam
! Combined flux in latest and established models = 3.43506 Jy
selfcal
! Performing phase self-cal
! Adding 26 model components to the UV plane model.
! The established model now contains 277 components and 3.43506 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.108923Jy  sigma=0.527373
! Fit after  self-cal, rms=0.108843Jy  sigma=0.526989
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
clean
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.00268185 Jy
! Component: 100  -  total flux cleaned = 0.00378572 Jy
! Total flux subtracted in 100 components = 0.00378572 Jy
! Clean residual min=-0.017940 max=0.016878 Jy/beam
! Clean residual mean=-0.000035 rms=0.003924 Jy/beam
! Combined flux in latest and established models = 3.43884 Jy
selfcal
! Performing phase self-cal
! Adding 31 model components to the UV plane model.
! The established model now contains 287 components and 3.43884 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.107319Jy  sigma=0.519357
! Fit after  self-cal, rms=0.107287Jy  sigma=0.519211
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
peakw 2
! Added new window around map position (11.7, -14.7).
mapp
! 
! Move the cursor into the plot window and press 'H' for help
clean
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.0254542 Jy
! Component: 100  -  total flux cleaned = 0.0276912 Jy
! Total flux subtracted in 100 components = 0.0276912 Jy
! Clean residual min=-0.016018 max=0.014662 Jy/beam
! Clean residual mean=-0.000076 rms=0.003511 Jy/beam
! Combined flux in latest and established models = 3.46654 Jy
selfcal
! Performing phase self-cal
! Adding 30 model components to the UV plane model.
! The established model now contains 307 components and 3.46654 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.103879Jy  sigma=0.502707
! Fit after  self-cal, rms=0.103711Jy  sigma=0.501934
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
clean
! clean: niter=100  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.00695028 Jy
! Component: 100  -  total flux cleaned = 0.00936662 Jy
! Total flux subtracted in 100 components = 0.00936662 Jy
! Clean residual min=-0.015126 max=0.014118 Jy/beam
! Clean residual mean=-0.000087 rms=0.003351 Jy/beam
! Combined flux in latest and established models = 3.4759 Jy
selfcal
! Performing phase self-cal
! Adding 35 model components to the UV plane model.
! The established model now contains 313 components and 3.4759 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.102440Jy  sigma=0.495669
! Fit after  self-cal, rms=0.102397Jy  sigma=0.495489
mapp
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
save CTA102_X
! Writing UV FITS file: CTA102_X.uvf
! Writing 313 model components to file: CTA102_X.mod
! wwins: Wrote 7 windows to CTA102_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7152 x 1.466 at -8.722 degrees (North through East)
! Clean map  min=-0.014893  max=1.5347 Jy/beam
! Writing clean map to FITS file: CTA102_X.fits
! Writing difmap environment to: CTA102_X.par
device CTA102_Xuv.ps/vps,1,2
! Attempting to open device: 'CTA102_Xuv.ps/vps'
radplot
! Using default options string "m1"
uvplot
device CTA102_Xim.ps/vps
! Attempting to open device: 'CTA102_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=1.466 mas, bpa=-8.722 degrees
! Estimated noise=1.09822 mJy/beam.
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.7152 x 1.466 at -8.722 degrees (North through East)
! Clean map  min=-0.014893  max=1.5347 Jy/beam
quit
! Quitting program
! Log file CTA102_X.log closed on Fri Nov 20 14:07:20 1998