! Started logfile: 3C120_S.log on Fri Aug 19 15:45:03 2005 observe 3C120_S.edt ! Reading UV FITS file: 3C120_S.edt ! AN table 1: 47 integrations on 171 of 171 possible baselines. ! AN table 2: 15 integrations on 171 of 171 possible baselines. ! AN table 3: 70 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.106769 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 3C120 ! ! 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 9640 visibilities. ![@gonzo7-0.4 3C120_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 698 telescope corrections were flagged in sub-array 1. ! A total of 266 telescope corrections were flagged in sub-array 2. ! A total of 1148 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 667 telescope corrections were flagged in sub-array 1. ! A total of 266 telescope corrections were flagged in sub-array 2. ! A total of 1148 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 668 telescope corrections were flagged in sub-array 1. ! A total of 266 telescope corrections were flagged in sub-array 2. ! A total of 1149 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 665 telescope corrections were flagged in sub-array 1. ! A total of 266 telescope corrections were flagged in sub-array 2. ! A total of 1148 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.752530Jy sigma=0.025199 ! Fit after self-cal, rms=1.756943Jy sigma=0.025312 ! 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 mas, bmaj=4.9 mas, bpa=1.898 degrees ! Estimated noise=1247.21 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 = 1.31873 Jy ! Total flux subtracted in 50 components = 1.31873 Jy ! Clean residual min=-0.160988 max=0.658247 Jy/beam ! Clean residual mean=0.000549 rms=0.056707 Jy/beam ! Combined flux in latest and established models = 1.31873 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 6 components and 1.31873 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.529822Jy sigma=0.022009 ! Fit after self-cal, rms=1.526929Jy sigma=0.021966 ! Inverting map ! Added new window around map position (-2.8, -0.8). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.702726 Jy ! Total flux subtracted in 50 components = 0.702726 Jy ! Clean residual min=-0.109391 max=0.429851 Jy/beam ! Clean residual mean=0.000408 rms=0.037633 Jy/beam ! Combined flux in latest and established models = 2.02146 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 14 components and 2.02146 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=1.056298Jy sigma=0.015014 ! Fit after self-cal, rms=1.040974Jy sigma=0.014843 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.439419 Jy ! Total flux subtracted in 50 components = 0.439419 Jy ! Clean residual min=-0.076941 max=0.267727 Jy/beam ! Clean residual mean=0.000318 rms=0.025760 Jy/beam ! Combined flux in latest and established models = 2.46088 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 17 model components to the UV plane model. ! The established model now contains 23 components and 2.46088 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.761875Jy sigma=0.010678 ! Fit after self-cal, rms=0.754975Jy sigma=0.010608 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.280432 Jy ! Total flux subtracted in 50 components = 0.280432 Jy ! Clean residual min=-0.055849 max=0.190828 Jy/beam ! Clean residual mean=0.000255 rms=0.019161 Jy/beam ! Combined flux in latest and established models = 2.74131 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 21 model components to the UV plane model. ! The established model now contains 35 components and 2.74131 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.591860Jy sigma=0.008156 ! Fit after self-cal, rms=0.588863Jy sigma=0.008124 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.188788 Jy ! Total flux subtracted in 50 components = 0.188788 Jy ! Clean residual min=-0.046815 max=0.145812 Jy/beam ! Clean residual mean=0.000213 rms=0.015393 Jy/beam ! Combined flux in latest and established models = 2.9301 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 2.9301 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.490931Jy sigma=0.006639 ! Fit after self-cal, rms=0.489052Jy sigma=0.006618 ! Inverting map ! Added new window around map position (3.6, 2.4). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.14334 Jy ! Total flux subtracted in 50 components = 0.14334 Jy ! Clean residual min=-0.042206 max=0.113156 Jy/beam ! Clean residual mean=0.000182 rms=0.012752 Jy/beam ! Combined flux in latest and established models = 3.07344 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 57 components and 3.07344 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.422925Jy sigma=0.005625 ! Fit after self-cal, rms=0.422552Jy sigma=0.005618 ! Inverting map ! Added new window around map position (-6, -0.8). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.114701 Jy ! Total flux subtracted in 50 components = 0.114701 Jy ! Clean residual min=-0.039865 max=0.068622 Jy/beam ! Clean residual mean=0.000164 rms=0.010835 Jy/beam ! Combined flux in latest and established models = 3.18814 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 69 components and 3.18814 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.375098Jy sigma=0.004904 ! Fit after self-cal, rms=0.373823Jy sigma=0.004889 ! 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=2.441 mas, bmaj=5.916 mas, bpa=3.636 degrees ! Estimated noise=817.157 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 = 0.168873 Jy ! Component: 100 - total flux cleaned = 0.273166 Jy ! Total flux subtracted in 100 components = 0.273166 Jy ! Clean residual min=-0.041427 max=0.084116 Jy/beam ! Clean residual mean=0.005495 rms=0.015794 Jy/beam ! Combined flux in latest and established models = 3.46131 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 54 model components to the UV plane model. ! The established model now contains 113 components and 3.4613 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.290184Jy sigma=0.003663 ! Fit after self-cal, rms=0.288015Jy sigma=0.003633 ! 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 6 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 GC 1.03 HH 1.17 ! HN 0.97 KK 1.00* KP 1.02 LA 1.01 ! MC 1.01 MK 1.13 NL 1.02 NY 1.14 ! ON 1.00* OV 1.00 PT 0.98 SC 0.92 ! TS 1.00* WF 0.96 WZ 0.88 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.96 LA 1.00* ! MC 1.00* MK 1.08 NL 1.00* NY 1.00* ! ON 1.00* OV 0.99 PT 1.00* SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.97 GC 1.00* HH 1.00* ! HN 1.00* KK 0.93 KP 0.98 LA 0.92 ! MC 1.00* MK 0.90 NL 0.97 NY 1.00* ! ON 1.00* OV 0.97 PT 0.93 SC 1.00* ! TS 1.00 WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.98 GC 1.03 HH 1.23 ! HN 0.98 KK 1.00* KP 0.99 LA 1.00 ! MC 0.91 MK 1.11 NL 1.02 NY 1.05 ! ON 1.02 OV 1.01 PT 1.00 SC 0.98 ! TS 1.00* WF 0.96 WZ 0.91 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.97 LA 1.00* ! MC 1.00* MK 1.09 NL 1.00* NY 1.00* ! ON 1.00* OV 0.98 PT 1.00* SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.97 GC 1.00* HH 1.00* ! HN 1.00* KK 0.95 KP 0.95 LA 0.90 ! MC 1.00* MK 0.92 NL 0.98 NY 1.00* ! ON 1.00* OV 1.03 PT 0.92 SC 1.00* ! TS 1.02 WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 GC 1.02 HH 0.84 ! HN 0.99 KK 1.00* KP 1.01 LA 1.19 ! MC 1.55 MK 1.04 NL 1.03 NY 1.12 ! ON 0.93 OV 1.00 PT 0.99 SC 1.05 ! TS 1.00* WF 0.98 WZ 0.87 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.96 LA 1.00* ! MC 1.00* MK 1.01 NL 1.00* NY 1.00* ! ON 1.00* OV 1.00 PT 1.00* SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.99 FD 0.98 GC 1.00* HH 1.00* ! HN 1.00* KK 0.96 KP 0.95 LA 1.11 ! MC 1.00* MK 0.93 NL 1.00 NY 1.00* ! ON 1.00* OV 1.02 PT 0.94 SC 1.00* ! TS 1.03 WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.98 GC 1.03 HH 0.86 ! HN 0.99 KK 1.00* KP 1.00 LA 0.99 ! MC 1.61 MK 1.05 NL 1.03 NY 1.06 ! ON 0.97 OV 0.98 PT 1.01 SC 1.08 ! TS 1.00* WF 0.98 WZ 0.87 ! ! A total of 3 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.00* GC 1.00* HH 1.00* ! HN 1.00* KK 1.00* KP 0.99 LA 1.00* ! MC 1.00* MK 0.58 NL 1.00* NY 1.00* ! ON 1.00* OV 1.00 PT 1.00* SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 48 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.01 FD 0.96 GC 1.00* HH 1.00* ! HN 1.00* KK 0.95 KP 0.95 LA 0.92 ! MC 1.00* MK 0.95 NL 0.97 NY 1.00* ! ON 1.00* OV 1.03 PT 0.93 SC 1.00* ! TS 1.06 WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.288015Jy sigma=0.003633 ! Fit after self-cal, rms=0.202006Jy sigma=0.002576 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.589 mas, bmaj=5.79 mas, bpa=4.01 degrees ! Estimated noise=839.14 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 (-21.6, -11.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0554315 Jy ! Component: 100 - total flux cleaned = 0.0843562 Jy ! Total flux subtracted in 100 components = 0.0843562 Jy ! Clean residual min=-0.020437 max=0.039142 Jy/beam ! Clean residual mean=0.003409 rms=0.007268 Jy/beam ! Combined flux in latest and established models = 3.54566 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 135 components and 3.54566 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.186996Jy sigma=0.002353 ! Fit after self-cal, rms=0.184336Jy sigma=0.002297 ! 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) ! Added new window around map position (-9.6, -1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0320963 Jy ! Component: 100 - total flux cleaned = 0.0416777 Jy ! Total flux subtracted in 100 components = 0.0416777 Jy ! Clean residual min=-0.024546 max=0.031235 Jy/beam ! Clean residual mean=0.003005 rms=0.006593 Jy/beam ! Combined flux in latest and established models = 3.58734 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 147 components and 3.58734 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.177989Jy sigma=0.002187 ! Fit after self-cal, rms=0.166363Jy sigma=0.002043 ! Inverting map and beam ! Estimated beam: bmin=2.593 mas, bmaj=5.796 mas, bpa=3.893 degrees ! Estimated noise=840.289 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 (-15.6, -2.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0301102 Jy ! Component: 100 - total flux cleaned = 0.0431131 Jy ! Total flux subtracted in 100 components = 0.0431131 Jy ! Clean residual min=-0.015054 max=0.023031 Jy/beam ! Clean residual mean=0.002210 rms=0.004978 Jy/beam ! Combined flux in latest and established models = 3.63045 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 29 model components to the UV plane model. ! The established model now contains 173 components and 3.63045 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.160790Jy sigma=0.001960 ! Fit after self-cal, rms=0.160023Jy sigma=0.001950 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C120_S ! Writing UV FITS file: 3C120_S.uvf ! Writing 173 model components to file: 3C120_S.mod ! wwins: Wrote 7 windows to 3C120_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.593 x 5.796 at 3.893 degrees (North through East) ! Clean map min=-0.015985 max=1.6244 Jy/beam ! Writing clean map to FITS file: 3C120_S.fits ! Writing difmap environment to: 3C120_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 3C120_S] device 3C120_Suv.ps/vps,1,2 ! Attempting to open device: '3C120_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 3C120_Sim.ps/vps ! Attempting to open device: '3C120_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=2.593 mas, bmaj=5.796 mas, bpa=3.893 degrees ! Estimated noise=840.289 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.593 x 5.796 at 3.893 degrees (North through East) ! Clean map min=-0.015985 max=1.6244 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 3C120_S.log closed on Fri Aug 19 15:46:15 2005