! Started logfile: 0458-020_S.log on Sun Mar 1 17:34:12 2009 observe 0458-020_S.edt2 ! Reading UV FITS file: 0458-020_S.edt2 ! AN table 1: 71 integrations on 190 of 190 possible baselines. ! AN table 2: 52 integrations on 190 of 190 possible baselines. ! Apparent sampling: 0.133333 visibilities/baseline/integration-bin. ! *** This seems a bit low - see "help observe" on the binwid argument. ! Found source: 0458-020 ! ! 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 1477 lines of history. ! ! Reading 12464 visibilities. ![@gonzo6-0.4 0458-020_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 = 6.0 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 1214 telescope corrections were flagged in sub-array 1. ! A total of 796 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 1208 telescope corrections were flagged in sub-array 1. ! A total of 776 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 1218 telescope corrections were flagged in sub-array 1. ! A total of 778 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 1219 telescope corrections were flagged in sub-array 1. ! A total of 791 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=0.725067Jy sigma=8.808142 ! Fit after self-cal, rms=0.707942Jy sigma=8.742856 ! 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=1.901 mas, bmaj=5.372 mas, bpa=-3.002 degrees ! Estimated noise=1.09989 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 = 0.288652 Jy ! Total flux subtracted in 50 components = 0.288652 Jy ! Clean residual min=-0.027725 max=0.103108 Jy/beam ! Clean residual mean=-0.000006 rms=0.009119 Jy/beam ! Combined flux in latest and established models = 0.288652 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 0.288652 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.291530Jy sigma=3.931171 ! Fit after self-cal, rms=0.291167Jy sigma=3.929100 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.115239 Jy ! Total flux subtracted in 50 components = 0.115239 Jy ! Clean residual min=-0.026559 max=0.087065 Jy/beam ! Clean residual mean=-0.000008 rms=0.007085 Jy/beam ! Combined flux in latest and established models = 0.403891 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 8 model components to the UV plane model. ! The established model now contains 10 components and 0.403891 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.255911Jy sigma=3.112530 ! Fit after self-cal, rms=0.255085Jy sigma=3.106441 ! 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 = 0.0861054 Jy ! Total flux subtracted in 50 components = 0.0861054 Jy ! Clean residual min=-0.022420 max=0.044698 Jy/beam ! Clean residual mean=-0.000008 rms=0.005646 Jy/beam ! Combined flux in latest and established models = 0.489996 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 19 components and 0.489996 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233549Jy sigma=2.603002 ! Fit after self-cal, rms=0.231999Jy sigma=2.583643 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0598264 Jy ! Total flux subtracted in 50 components = 0.0598264 Jy ! Clean residual min=-0.021827 max=0.032730 Jy/beam ! Clean residual mean=-0.000007 rms=0.004754 Jy/beam ! Combined flux in latest and established models = 0.549822 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 13 model components to the UV plane model. ! The established model now contains 22 components and 0.549822 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.221791Jy sigma=2.281567 ! Fit after self-cal, rms=0.221286Jy sigma=2.274993 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0436504 Jy ! Total flux subtracted in 50 components = 0.0436504 Jy ! Clean residual min=-0.020877 max=0.024530 Jy/beam ! Clean residual mean=-0.000008 rms=0.004219 Jy/beam ! Combined flux in latest and established models = 0.593473 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 30 components and 0.593473 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.216217Jy sigma=2.093950 ! Fit after self-cal, rms=0.216027Jy sigma=2.090791 ! Inverting map ! clean: niter=50 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0328857 Jy ! Total flux subtracted in 50 components = 0.0328857 Jy ! Clean residual min=-0.019881 max=0.018928 Jy/beam ! Clean residual mean=-0.000008 rms=0.003884 Jy/beam ! Combined flux in latest and established models = 0.626359 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 37 components and 0.626358 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.213584Jy sigma=1.982865 ! Fit after self-cal, rms=0.213464Jy sigma=1.980865 ! 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=1.986 mas, bmaj=6.068 mas, bpa=-2.899 degrees ! Estimated noise=0.807036 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 = 0.0303504 Jy ! Component: 100 - total flux cleaned = 0.0500702 Jy ! Total flux subtracted in 100 components = 0.0500702 Jy ! Clean residual min=-0.018109 max=0.014719 Jy/beam ! Clean residual mean=-0.000005 rms=0.003542 Jy/beam ! Combined flux in latest and established models = 0.676429 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 51 components and 0.676429 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.211683Jy sigma=1.868782 ! Fit after self-cal, rms=0.211468Jy sigma=1.865902 ! 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 72 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 1.00 GC 1.07 HH 1.99 ! HN 0.87 KK 0.87 KP 1.00 LA 0.99 ! MA 2.24 MC 0.78 MK 0.86 NL 0.81 ! NY 1.00* ON 1.28 OV 1.07 PT 0.89 ! SC 1.12 TS 0.77 WF 1.00* WZ 1.00* ! ! A total of 18 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.86 FD 1.01 GC 1.06 HH 1.00* ! HN 0.92 KK 1.00* KP 1.01 LA 1.09 ! MA 2.12 MC 1.66 MK 0.87 NL 0.86 ! NY 1.00* ON 1.03 OV 0.97 PT 0.86 ! SC 1.11 TS 1.00* WF 1.00* WZ 1.06 ! ! ! Correcting IF 2. ! A total of 63 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.88 FD 0.93 GC 0.95 HH 1.27 ! HN 0.93 KK 0.88 KP 1.07 LA 1.05 ! MA 1.66 MC 0.98 MK 0.95 NL 0.87 ! NY 1.00* ON 0.88 OV 0.93 PT 0.95 ! SC 0.93 TS 0.83 WF 1.00* WZ 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 0.94 GC 1.11 HH 1.00* ! HN 0.94 KK 1.00* KP 1.07 LA 1.06 ! MA 2.28 MC 1.10 MK 0.87 NL 1.01 ! NY 1.00* ON 1.07 OV 0.91 PT 0.92 ! SC 0.86 TS 1.00* WF 1.00* WZ 1.11 ! ! ! Correcting IF 3. ! A total of 54 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.27 GC 0.97 HH 0.91 ! HN 1.20 KK 0.91 KP 0.96 LA 0.80 ! MA 1.33 MC 1.34 MK 0.89 NL 0.66 ! NY 1.00* ON 1.01 OV 1.11 PT 1.22 ! SC 0.93 TS 0.92 WF 1.00* WZ 1.00* ! ! A total of 30 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 FD 0.97 GC 1.22 HH 1.00* ! HN 1.28 KK 1.00* KP 1.15 LA 0.99 ! MA 1.17 MC 1.61 MK 0.87 NL 0.81 ! NY 1.00* ON 1.12 OV 1.02 PT 0.94 ! SC 1.09 TS 1.00* WF 1.00* WZ 1.20 ! ! ! Correcting IF 4. ! A total of 60 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.82 GC 1.00 HH 0.85 ! HN 1.13 KK 0.92 KP 1.12 LA 0.90 ! MA 1.14 MC 1.67 MK 0.87 NL 0.93 ! NY 1.00* ON 1.15 OV 0.92 PT 0.97 ! SC 1.05 TS 0.84 WF 1.00* WZ 1.00* ! ! A total of 21 telescope corrections were flagged in sub-array 2. ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.87 GC 1.17 HH 1.00* ! HN 1.15 KK 1.00* KP 1.14 LA 0.90 ! MA 2.43 MC 1.57 MK 0.83 NL 0.94 ! NY 1.00* ON 1.04 OV 0.93 PT 0.98 ! SC 0.95 TS 1.00* WF 1.00* WZ 1.11 ! ! ! Fit before self-cal, rms=0.211468Jy sigma=1.865902 ! Fit after self-cal, rms=0.234457Jy sigma=1.518304 dynam = dynam - 0.5 doamp = false flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=2.02 mas, bmaj=6.488 mas, bpa=-2.992 degrees ! Estimated noise=0.804583 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 (-9.6, 5.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0117901 Jy ! Component: 100 - total flux cleaned = 0.016045 Jy ! Total flux subtracted in 100 components = 0.016045 Jy ! Clean residual min=-0.007937 max=0.007355 Jy/beam ! Clean residual mean=0.000023 rms=0.001849 Jy/beam ! Combined flux in latest and established models = 0.692474 Jy ! Performing phase self-cal over 0.6 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 77 components and 0.692473 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233660Jy sigma=1.493255 ! Fit after self-cal, rms=0.233717Jy sigma=1.490982 ! 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 = 0.00506946 Jy ! Component: 100 - total flux cleaned = 0.00797359 Jy ! Total flux subtracted in 100 components = 0.00797359 Jy ! Clean residual min=-0.007097 max=0.007071 Jy/beam ! Clean residual mean=0.000022 rms=0.001754 Jy/beam ! Combined flux in latest and established models = 0.700447 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 28 model components to the UV plane model. ! The established model now contains 89 components and 0.700447 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.233381Jy sigma=1.483016 ! Fit after self-cal, rms=0.243962Jy sigma=1.387228 ! Inverting map and beam ! Estimated beam: bmin=2.039 mas, bmaj=6.468 mas, bpa=-2.873 degrees ! Estimated noise=0.807921 mJy/beam. ! Added new window around map position (-13.6, 0.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00181828 Jy ! Component: 100 - total flux cleaned = 0.00477599 Jy ! Total flux subtracted in 100 components = 0.00477599 Jy ! Clean residual min=-0.005980 max=0.005069 Jy/beam ! Clean residual mean=0.000007 rms=0.001401 Jy/beam ! Combined flux in latest and established models = 0.705223 Jy ! Performing amp+phase self-cal over 1 minute time intervals ! Adding 23 model components to the UV plane model. ! The established model now contains 108 components and 0.705223 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.243489Jy sigma=1.378053 ! Fit after self-cal, rms=0.248610Jy sigma=1.370884 ! Inverting map and beam ! Estimated beam: bmin=2.047 mas, bmaj=6.447 mas, bpa=-2.907 degrees ! Estimated noise=0.804277 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) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00234053 Jy ! Component: 100 - total flux cleaned = 0.000590518 Jy ! Total flux subtracted in 100 components = 0.000590518 Jy ! Clean residual min=-0.005622 max=0.004979 Jy/beam ! Clean residual mean=0.000006 rms=0.001322 Jy/beam ! Combined flux in latest and established models = 0.705813 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 120 components and 0.705813 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Fit before self-cal, rms=0.248222Jy sigma=1.365991 ! Fit after self-cal, rms=0.248255Jy sigma=1.364100 ! Inverting map print "***********************************" ! *********************************** print "*** Finished Amplitude Self-Cal ***" ! *** Finished Amplitude Self-Cal *** print "***********************************" ! *********************************** save 0458-020_S ! Writing UV FITS file: 0458-020_S.uvf ! Writing 120 model components to file: 0458-020_S.mod ! wwins: Wrote 4 windows to 0458-020_S.win ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.047 x 6.447 at -2.907 degrees (North through East) ! Clean map min=-0.005498 max=0.36467 Jy/beam ! Writing clean map to FITS file: 0458-020_S.fits ! Writing difmap environment to: 0458-020_S.par print "****************************" ! **************************** print "*** Now, make some plots ***" ! *** Now, make some plots *** print "****************************" ! **************************** ![@gonzo_plot 0458-020_S] device 0458-020_Suv.ps/vps,1,2 ! Attempting to open device: '0458-020_Suv.ps/vps' radplot ! Using default options string "m1" uvplot ! Using default options string "" device 0458-020_Sim.ps/vps ! Attempting to open device: '0458-020_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=2.047 mas, bmaj=6.447 mas, bpa=-2.907 degrees ! Estimated noise=0.804277 mJy/beam. mappl cln ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 2.047 x 6.447 at -2.907 degrees (North through East) ! Clean map min=-0.005498 max=0.36467 Jy/beam ![Exited script file: gonzo_plot] ![Exited script file: gonzo6-0.4] quit ! Quitting program ! Log file 0458-020_S.log closed on Sun Mar 1 17:34:22 2009