! Started logfile: 3C274_S.log on Mon Aug 22 09:05:20 2005 observe 3C274_S.edt ! Reading UV FITS file: 3C274_S.edt ! AN table 1: 76 integrations on 171 of 171 possible baselines. ! AN table 2: 47 integrations on 171 of 171 possible baselines. ! AN table 3: 69 integrations on 171 of 171 possible baselines. ! Apparent sampling: 0.0900646 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 3C274 ! ! 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 11828 visibilities. ![@gonzo7-0.4 3C274_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 1121 telescope corrections were flagged in sub-array 1. ! A total of 877 telescope corrections were flagged in sub-array 2. ! A total of 1140 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 1124 telescope corrections were flagged in sub-array 1. ! A total of 872 telescope corrections were flagged in sub-array 2. ! A total of 1144 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 1108 telescope corrections were flagged in sub-array 1. ! A total of 881 telescope corrections were flagged in sub-array 2. ! A total of 1144 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 1109 telescope corrections were flagged in sub-array 1. ! A total of 870 telescope corrections were flagged in sub-array 2. ! A total of 1141 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=0.583470Jy sigma=0.005872 ! Fit after self-cal, rms=0.581778Jy sigma=0.005959 ! 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=2.9 mas, bmaj=3.664 mas, bpa=9.153 degrees ! Estimated noise=1658.51 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 = 0.741684 Jy ! Total flux subtracted in 50 components = 0.741684 Jy ! Clean residual min=-0.062434 max=0.265477 Jy/beam ! Clean residual mean=0.000088 rms=0.021345 Jy/beam ! Combined flux in latest and established models = 0.741684 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 10 components and 0.741684 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.652419Jy sigma=0.007155 ! Fit after self-cal, rms=0.652246Jy sigma=0.007154 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.277247 Jy ! Total flux subtracted in 50 components = 0.277247 Jy ! Clean residual min=-0.048082 max=0.122811 Jy/beam ! Clean residual mean=0.000265 rms=0.014634 Jy/beam ! Combined flux in latest and established models = 1.01893 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 16 model components to the UV plane model. ! The established model now contains 24 components and 1.01893 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.505216Jy sigma=0.005368 ! Fit after self-cal, rms=0.504706Jy sigma=0.005365 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.13633 Jy ! Total flux subtracted in 50 components = 0.13633 Jy ! Clean residual min=-0.044464 max=0.114335 Jy/beam ! Clean residual mean=0.000350 rms=0.012552 Jy/beam ! Combined flux in latest and established models = 1.15526 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 39 components and 1.15526 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.453929Jy sigma=0.004751 ! Fit after self-cal, rms=0.453324Jy sigma=0.004747 ! Inverting map ! Added new window around map position (-7.6, 3.2). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.116687 Jy ! Total flux subtracted in 50 components = 0.116687 Jy ! Clean residual min=-0.038537 max=0.083971 Jy/beam ! Clean residual mean=0.000394 rms=0.010826 Jy/beam ! Combined flux in latest and established models = 1.27195 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 58 components and 1.27195 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.413543Jy sigma=0.004248 ! Fit after self-cal, rms=0.412364Jy sigma=0.004234 ! Inverting map ! Added new window around map position (-12.4, 4.8). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.090096 Jy ! Total flux subtracted in 50 components = 0.090096 Jy ! Clean residual min=-0.034484 max=0.070068 Jy/beam ! Clean residual mean=0.000424 rms=0.009407 Jy/beam ! Combined flux in latest and established models = 1.36204 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 14 model components to the UV plane model. ! The established model now contains 67 components and 1.36204 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.386766Jy sigma=0.003908 ! Fit after self-cal, rms=0.386033Jy sigma=0.003900 ! Inverting map ! Added new window around map position (-18.4, 8.8). ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0762319 Jy ! Total flux subtracted in 50 components = 0.0762319 Jy ! Clean residual min=-0.030143 max=0.047214 Jy/beam ! Clean residual mean=0.000439 rms=0.008325 Jy/beam ! Combined flux in latest and established models = 1.43828 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 22 model components to the UV plane model. ! The established model now contains 84 components and 1.43828 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.366082Jy sigma=0.003646 ! Fit after self-cal, rms=0.365369Jy sigma=0.003638 ! 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=3.917 mas, bmaj=4.973 mas, bpa=17.48 degrees ! Estimated noise=962.616 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 = 0.110657 Jy ! Component: 100 - total flux cleaned = 0.189089 Jy ! Total flux subtracted in 100 components = 0.189089 Jy ! Clean residual min=-0.028356 max=0.077766 Jy/beam ! Clean residual mean=0.015568 rms=0.014513 Jy/beam ! Combined flux in latest and established models = 1.62736 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 57 model components to the UV plane model. ! The established model now contains 132 components and 1.62736 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.330147Jy sigma=0.003170 ! Fit after self-cal, rms=0.328519Jy sigma=0.003148 ! 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 9 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.06 GC 1.10 HH 1.00 ! HN 0.85 KK 1.00* KP 0.94 LA 0.85 ! MC 0.99 MK 1.00* NL 1.13 NY 1.07 ! ON 0.91 OV 0.99 PT 0.85 SC 1.06 ! TS 1.00* WF 0.78 WZ 2.04 ! ! A total of 12 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 0.97 ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MC 1.21 MK 1.00* NL 1.00* NY 0.81 ! ON 1.12 OV 1.00* PT 1.00* SC 1.00* ! TS 1.00* WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.96 FD 1.01 GC 1.00* HH 1.00* ! HN 1.10 KK 1.00* KP 1.00 LA 0.90 ! MC 1.00* MK 0.91 NL 0.98 NY 1.00* ! ON 1.00* OV 1.02 PT 0.92 SC 1.00 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 2. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.06 GC 1.05 HH 1.00 ! HN 0.88 KK 1.00* KP 0.92 LA 0.86 ! MC 0.94 MK 1.00* NL 1.12 NY 1.08 ! ON 0.96 OV 0.99 PT 0.86 SC 1.14 ! TS 1.00* WF 0.77 WZ 2.13 ! ! A total of 12 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 1.19 ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MC 1.25 MK 1.00* NL 1.00* NY 1.01 ! ON 1.16 OV 1.00* PT 1.00* SC 1.00* ! TS 0.85 WF 1.00* WZ 1.00* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 FD 1.01 GC 1.00* HH 1.00* ! HN 1.07 KK 1.00* KP 0.92 LA 0.88 ! MC 1.00* MK 0.94 NL 1.00 NY 1.00* ! ON 1.00* OV 1.02 PT 0.91 SC 0.98 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 3. ! A total of 18 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.07 GC 1.03 HH 0.84 ! HN 0.88 KK 1.00* KP 0.94 LA 1.33 ! MC 1.12 MK 1.00* NL 1.08 NY 0.98 ! ON 1.00 OV 0.96 PT 0.88 SC 1.25 ! TS 1.00* WF 0.79 WZ 2.17 ! ! A total of 12 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! 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* ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 1.01 GC 1.00* HH 1.00* ! HN 1.00 KK 1.00* KP 0.96 LA 1.60 ! MC 1.00* MK 0.90 NL 1.02 NY 1.00* ! ON 1.00* OV 1.01 PT 0.91 SC 0.98 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Correcting IF 4. ! A total of 12 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.07 GC 1.07 HH 0.85 ! HN 0.88 KK 1.00* KP 0.91 LA 0.87 ! MC 1.18 MK 1.00* NL 1.11 NY 1.02 ! ON 0.98 OV 0.97 PT 0.87 SC 1.31 ! TS 1.00* WF 0.77 WZ 2.40 ! ! A total of 15 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 1.01 ! HN 1.00* KK 1.00* KP 1.00* LA 1.00* ! MC 1.00* MK 1.00* NL 1.00* NY 1.04 ! ON 0.95 OV 1.00* PT 1.00* SC 1.00* ! TS 1.00 WF 1.00* WZ 0.98 ! ! A total of 6 telescope corrections were flagged in sub-array 3. ! Telescope amplitude corrections in sub-array 3: ! BR 1.03 FD 1.01 GC 1.00* HH 1.00* ! HN 1.07 KK 1.00* KP 0.96 LA 0.88 ! MC 1.00* MK 0.91 NL 1.00 NY 1.00* ! ON 1.00* OV 1.00 PT 0.89 SC 0.94 ! TS 1.00* WF 1.00* WZ 1.00* ! ! ! Fit before self-cal, rms=0.328519Jy sigma=0.003148 ! Fit after self-cal, rms=0.201196Jy sigma=0.002099 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.012 mas, bmaj=5.342 mas, bpa=21.06 degrees ! Estimated noise=935.92 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 (-25.2, 8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0581096 Jy ! Component: 100 - total flux cleaned = 0.0928664 Jy ! Total flux subtracted in 100 components = 0.0928665 Jy ! Clean residual min=-0.017907 max=0.031337 Jy/beam ! Clean residual mean=0.001307 rms=0.006509 Jy/beam ! Combined flux in latest and established models = 1.72023 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 163 components and 1.72023 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.187416Jy sigma=0.001852 ! Fit after self-cal, rms=0.186108Jy sigma=0.001838 ! 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 = 0.0280998 Jy ! Component: 100 - total flux cleaned = 0.0416764 Jy ! Total flux subtracted in 100 components = 0.0416764 Jy ! Clean residual min=-0.018694 max=0.028705 Jy/beam ! Clean residual mean=0.000488 rms=0.005960 Jy/beam ! Combined flux in latest and established models = 1.76191 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 31 model components to the UV plane model. ! The established model now contains 187 components and 1.76191 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.182636Jy sigma=0.001770 ! Fit after self-cal, rms=0.167743Jy sigma=0.001572 ! Inverting map and beam ! Estimated beam: bmin=3.999 mas, bmaj=5.344 mas, bpa=21.8 degrees ! Estimated noise=939.849 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 (-68.4, 27.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0273345 Jy ! Component: 100 - total flux cleaned = 0.0452786 Jy ! Total flux subtracted in 100 components = 0.0452786 Jy ! Clean residual min=-0.013370 max=0.019507 Jy/beam ! Clean residual mean=0.000071 rms=0.004561 Jy/beam ! Combined flux in latest and established models = 1.80719 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 38 model components to the UV plane model. ! The established model now contains 223 components and 1.80719 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.163998Jy sigma=0.001495 ! Fit after self-cal, rms=0.163559Jy sigma=0.001491 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 3C274_S ! Writing UV FITS file: 3C274_S.uvf ! Writing 223 model components to file: 3C274_S.mod ! wwins: Wrote 6 windows to 3C274_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.999 x 5.344 at 21.8 degrees (North through East) ! Clean map min=-0.013347 max=0.94694 Jy/beam ! Writing clean map to FITS file: 3C274_S.fits ! Writing difmap environment to: 3C274_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 3C274_S] device 3C274_Suv.ps/vps,1,2 ! Attempting to open device: '3C274_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 3C274_Sim.ps/vps ! Attempting to open device: '3C274_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=3.999 mas, bmaj=5.344 mas, bpa=21.8 degrees ! Estimated noise=939.849 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 3.999 x 5.344 at 21.8 degrees (North through East) ! Clean map min=-0.013347 max=0.94694 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo7-0.4] quit ! Quitting program ! Log file 3C274_S.log closed on Mon Aug 22 09:05:50 2005