! Started logfile: CTA102_X.log on Wed Oct  8 11:45:04 1997
observe CTA102_X.edt
! Reading UV FITS file: CTA102_X.edt
! AN table 1: 30 integrations on 70 of 120 possible baselines.
! AN table 2: 28 integrations on 120 of 120 possible baselines.
! Apparent sampling: 0.492491 visibilities/baseline/integration-bin.
! *** This seems a bit low - see "help observe" on the binwid argument.
! 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  8.40972e+09      6.5e+06          1      6.5e+06
!  02        2  8.47972e+09      6.5e+06          1      6.5e+06
!  03        3  8.79472e+09      6.5e+06          1      6.5e+06
!  04        4  8.89972e+09      6.5e+06          1      6.5e+06
! 
! Polarization(s): RR
! 
! Read 2187 lines of history.
! 
! Reading 10756 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
mapsize 1024,0.1
! Map grid = 1024x1024 pixels with 0.100x0.100 milli-arcsec cellsize.
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.
mapplot
! Inverting map and beam 
! Estimated beam: bmin=0.6774 mas, bmaj=1.535 mas, bpa=-9.351 degrees
! Estimated noise=1.39352 mJy/beam.
! 
! Move the cursor into the plot window and press 'H' for help
peakwin 0.8
! Added new window around map position (0, 0).
clean 200,0.05
! clean: niter=200  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.769528 Jy
! Component: 100  -  total flux cleaned = 0.908919 Jy
! Component: 150  -  total flux cleaned = 0.940988 Jy
! Component: 200  -  total flux cleaned = 0.948314 Jy
! Total flux subtracted in 200 components = 0.948314 Jy
! Clean residual min=-0.067005 max=0.363764 Jy/beam
! Clean residual mean=-0.000625 rms=0.024664 Jy/beam
! Combined flux in latest and established models = 0.948314 Jy
selfcal false,false
! Performing phase self-cal
! Adding 18 model components to the UV plane model.
! The established model now contains 18 components and 0.948314 Jy
! 
! Correcting IF 1.
!  A total of 369 telescope corrections were flagged in sub-array 1.
!  A total of 160 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 2.
!  A total of 369 telescope corrections were flagged in sub-array 1.
!  A total of 160 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 3.
!  A total of 369 telescope corrections were flagged in sub-array 1.
!  A total of 160 telescope corrections were flagged in sub-array 2.
! 
! Correcting IF 4.
!  A total of 369 telescope corrections were flagged in sub-array 1.
!  A total of 160 telescope corrections were flagged in sub-array 2.
! 
! Fit before self-cal, rms=0.569456Jy  sigma=3.130674
! Fit after  self-cal, rms=0.568304Jy  sigma=3.124749
mapplot
! Inverting map and beam 
! Estimated beam: bmin=0.6773 mas, bmaj=1.535 mas, bpa=-9.351 degrees
! Estimated noise=1.39347 mJy/beam.
! 
! Move the cursor into the plot window and press 'H' for help
peakwin 1
! Added new window around map position (1.1, -1.4).
clean 200,0.05
! clean: niter=200  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.384285 Jy
! Component: 100  -  total flux cleaned = 0.448333 Jy
! Component: 150  -  total flux cleaned = 0.466493 Jy
! Component: 200  -  total flux cleaned = 0.477131 Jy
! Total flux subtracted in 200 components = 0.477131 Jy
! Clean residual min=-0.048614 max=0.151475 Jy/beam
! Clean residual mean=-0.000361 rms=0.016609 Jy/beam
! Combined flux in latest and established models = 1.42544 Jy
selfcal false,false
! Performing phase self-cal
! Adding 31 model components to the UV plane model.
! The established model now contains 48 components and 1.42545 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.405220Jy  sigma=2.213739
! Fit after  self-cal, rms=0.356514Jy  sigma=1.946770
mapplot
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
clean 200,0.05
! clean: niter=200  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.231456 Jy
! Component: 100  -  total flux cleaned = 0.365885 Jy
! Component: 150  -  total flux cleaned = 0.459571 Jy
! Component: 200  -  total flux cleaned = 0.513105 Jy
! Total flux subtracted in 200 components = 0.513105 Jy
! Clean residual min=-0.026433 max=0.050457 Jy/beam
! Clean residual mean=-0.000307 rms=0.007995 Jy/beam
! Combined flux in latest and established models = 1.93855 Jy
selfcal false,false
! Performing phase self-cal
! Adding 119 model components to the UV plane model.
! The established model now contains 158 components and 1.93855 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.240816Jy  sigma=1.295795
! Fit after  self-cal, rms=0.230667Jy  sigma=1.239416
mapplot
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
clean 200,0.05
! clean: niter=200  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.0598532 Jy
! Component: 100  -  total flux cleaned = 0.110863 Jy
! Component: 150  -  total flux cleaned = 0.151858 Jy
! Component: 200  -  total flux cleaned = 0.191754 Jy
! Total flux subtracted in 200 components = 0.191754 Jy
! Clean residual min=-0.019083 max=0.030108 Jy/beam
! Clean residual mean=-0.000250 rms=0.005563 Jy/beam
! Combined flux in latest and established models = 2.1303 Jy
selfcal false,false
! Performing phase self-cal
! Adding 103 model components to the UV plane model.
! The established model now contains 248 components and 2.1303 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.198474Jy  sigma=1.056052
! Fit after  self-cal, rms=0.196458Jy  sigma=1.044699
mapplot
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
clean 200,0.05
! clean: niter=200  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.0244657 Jy
! Component: 100  -  total flux cleaned = 0.0589135 Jy
! Component: 150  -  total flux cleaned = 0.0883131 Jy
! Component: 200  -  total flux cleaned = 0.116452 Jy
! Total flux subtracted in 200 components = 0.116452 Jy
! Clean residual min=-0.015547 max=0.021276 Jy/beam
! Clean residual mean=-0.000205 rms=0.004348 Jy/beam
! Combined flux in latest and established models = 2.24676 Jy
selfcal false,false
! Performing phase self-cal
! Adding 119 model components to the UV plane model.
! The established model now contains 342 components and 2.24676 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.181417Jy  sigma=0.958051
! Fit after  self-cal, rms=0.180607Jy  sigma=0.953429
mapplot
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
clean 200,0.05
! clean: niter=200  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.0183982 Jy
! Component: 100  -  total flux cleaned = 0.0422391 Jy
! Component: 150  -  total flux cleaned = 0.0640551 Jy
! Component: 200  -  total flux cleaned = 0.0840921 Jy
! Total flux subtracted in 200 components = 0.0840921 Jy
! Clean residual min=-0.013503 max=0.015958 Jy/beam
! Clean residual mean=-0.000173 rms=0.003568 Jy/beam
! Combined flux in latest and established models = 2.33085 Jy
selfcal false,false
! Performing phase self-cal
! Adding 114 model components to the UV plane model.
! The established model now contains 411 components and 2.33085 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.172161Jy  sigma=0.904499
! Fit after  self-cal, rms=0.171784Jy  sigma=0.902339
mapplot
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
gscale true
! Performing overall amplitude self-cal
! 
! Correcting IF 1.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.00     FD        1.00     GC        1.03     GN        0.99     
!   HN        0.95     KK        1.00*    KP        1.01     LA        0.99     
!   MC        0.98     MK        0.97     NL        1.12     ON        0.90     
!   OV        0.98     PT        0.96     SC        0.99     WF        0.90     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.99     FD        0.99     GC        1.04     GN        0.94     
!   HN        1.01     KK        1.01     KP        0.97     LA        0.96     
!   MC        0.99     MK        0.97     NL        1.00     ON        1.00     
!   OV        1.00     PT        0.92     SC        0.98     WF        0.98     
! 
! 
! Correcting IF 2.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.03     FD        1.01     GC        1.04     GN        0.98     
!   HN        0.94     KK        1.00*    KP        1.01     LA        0.98     
!   MC        1.04     MK        0.96     NL        1.12     ON        0.90     
!   OV        1.00     PT        0.96     SC        1.03     WF        0.91     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        0.98     FD        0.99     GC        1.04     GN        0.95     
!   HN        1.01     KK        1.00     KP        0.97     LA        0.97     
!   MC        1.03     MK        0.98     NL        0.99     ON        1.00     
!   OV        1.01     PT        0.92     SC        0.98     WF        0.99     
! 
! 
! Correcting IF 3.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.02     FD        1.03     GC        1.04     GN        1.02     
!   HN        0.91     KK        1.00*    KP        1.03     LA        1.00     
!   MC        0.99     MK        0.97     NL        1.15     ON        0.90     
!   OV        1.02     PT        0.99     SC        0.93     WF        0.93     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        1.01     GC        1.05     GN        0.94     
!   HN        0.99     KK        0.99     KP        0.99     LA        0.98     
!   MC        1.01     MK        1.01     NL        1.02     ON        0.98     
!   OV        1.03     PT        0.94     SC        0.98     WF        1.02     
! 
! 
! Correcting IF 4.
!  Telescope amplitude corrections in sub-array 1:
!   BR        1.04     FD        1.02     GC        1.04     GN        1.03     
!   HN        0.96     KK        1.00*    KP        1.04     LA        1.02     
!   MC        1.00     MK        0.98     NL        1.15     ON        0.91     
!   OV        1.08     PT        1.01     SC        1.01     WF        0.94     
! 
!  Telescope amplitude corrections in sub-array 2:
!   BR        1.01     FD        1.00     GC        1.04     GN        0.97     
!   HN        1.00     KK        1.03     KP        1.00     LA        0.99     
!   MC        1.04     MK        1.01     NL        1.03     ON        1.01     
!   OV        1.10     PT        0.96     SC        0.96     WF        1.02     
! 
! 
! Fit before self-cal, rms=0.171784Jy  sigma=0.902339
! Fit after  self-cal, rms=0.162343Jy  sigma=0.850940
clean 200,0.05
! Inverting map and beam 
! Estimated beam: bmin=0.677 mas, bmaj=1.54 mas, bpa=-9.46 degrees
! Estimated noise=1.38886 mJy/beam.
! clean: niter=200  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = -0.00141878 Jy
! Component: 100  -  total flux cleaned = 0.0100132 Jy
! Component: 150  -  total flux cleaned = 0.0193707 Jy
! Component: 200  -  total flux cleaned = 0.0278297 Jy
! Total flux subtracted in 200 components = 0.0278297 Jy
! Clean residual min=-0.009811 max=0.009228 Jy/beam
! Clean residual mean=-0.000061 rms=0.002342 Jy/beam
! Combined flux in latest and established models = 2.35868 Jy
selfcal false,false
! Performing phase self-cal
! Adding 84 model components to the UV plane model.
! The established model now contains 476 components and 2.35868 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.158176Jy  sigma=0.825764
! Fit after  self-cal, rms=0.158003Jy  sigma=0.824580
mapplot
! Inverting map 
! 
! Move the cursor into the plot window and press 'H' for help
clean 200,0.05
! clean: niter=200  gain=0.05  cutoff=0
! Component: 050  -  total flux cleaned = 0.0050708 Jy
! Component: 100  -  total flux cleaned = 0.0120754 Jy
! Component: 150  -  total flux cleaned = 0.0196365 Jy
! Component: 200  -  total flux cleaned = 0.0261871 Jy
! Total flux subtracted in 200 components = 0.0261871 Jy
! Clean residual min=-0.008850 max=0.007953 Jy/beam
! Clean residual mean=-0.000054 rms=0.002116 Jy/beam
! Combined flux in latest and established models = 2.38486 Jy
selfcal false,false
! Performing phase self-cal
! Adding 92 model components to the UV plane model.
! The established model now contains 526 components and 2.38486 Jy
! 
! Correcting IF 1.
! 
! Correcting IF 2.
! 
! Correcting IF 3.
! 
! Correcting IF 4.
! 
! Fit before self-cal, rms=0.155939Jy  sigma=0.812201
! Fit after  self-cal, rms=0.155859Jy  sigma=0.811740
mapplot
! 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 526 model components to file: CTA102_X.mod
! wwins: Wrote 4 windows to CTA102_X.win
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.677 x 1.54 at -9.46 degrees (North through East)
! Clean map  min=-0.011377  max=0.71075 Jy/beam
! Writing clean map to FITS file: CTA102_X.fits
! Writing difmap environment to: CTA102_X.par
device uv.ps/vps,1,2
! Attempting to open device: 'uv.ps/vps'
radplot
! Using default options string "m1"
uvplot
device im.ps/vps
! Attempting to open device: 'im.ps/vps'
cmul = 1.0
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 (imstat(rms)*3),20000,2
! Inverting map and beam 
! Estimated beam: bmin=0.677 mas, bmaj=1.54 mas, bpa=-9.46 degrees
! Estimated noise=1.38886 mJy/beam.
! The new contour levels are:
!  -0.0063754 0.0063754 0.0127508 0.0255016 0.0510032 0.102006 0.204013 0.408026 0.816051 1.6321 3.26421 6.52841 13.0568 26.1136 52.2273 104.455 208.909 417.818 835.637 1671.27 3342.55 6685.09 13370.2
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.677 x 1.54 at -9.46 degrees (North through East)
! Clean map  min=-0.011377  max=0.71075 Jy/beam
device im_un.ps/vps
! Attempting to open device: 'im_un.ps/vps'
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.
loglevs (imstat(rms)*3),20000,2
! Inverting map and beam 
! Estimated beam: bmin=0.5492 mas, bmaj=1.4 mas, bpa=-11.16 degrees
! Estimated noise=1.8442 mJy/beam.
! The new contour levels are:
!  -0.00687524 0.00687524 0.0137505 0.0275009 0.0550019 0.110004 0.220008 0.440015 0.88003 1.76006 3.52012 7.04024 14.0805 28.161 56.3219 112.644 225.288 450.575 901.151 1802.3 3604.6 7209.21 14418.4
mappl cln
! restore: Substituting estimate of restoring beam from last 'invert'.
! Restoring with beam: 0.5492 x 1.4 at -11.16 degrees (North through East)
! Clean map  min=-0.014464  max=0.68859 Jy/beam
quit
! Quitting program
! Log file CTA102_X.log closed on Wed Oct  8 13:35:46 1997