! Started logfile: /vlbi/bs262/maps//J0227-1737_C_20180501_dfm.log on Mon Jun 4 23:14:10 2018 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs /vlbi/bs262/maps//J0227-1737_C_20180501_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0227-1737_C_20180501_uva.fits ! AN table 1: 90 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.886111 visibilities/baseline/integration-bin. ! Found source: J0227-1737 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 94 lines of history. ! ! Reading 17864 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J0227-1737_C] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.300x0.300 milli-arcsec cellsize. 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 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 41 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.000665Jy sigma=22.019711 ! Fit after self-cal, rms=0.986574Jy sigma=21.717754 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 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. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.223 mas, bmaj=3.171 mas, bpa=-4.532 degrees ! Estimated noise=0.577245 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0107254 Jy ! Component: 100 - total flux cleaned = 0.0131016 Jy ! Total flux subtracted in 100 components = 0.0131016 Jy ! Clean residual min=-0.001713 max=0.002105 Jy/beam ! Clean residual mean=-0.000001 rms=0.000446 Jy/beam ! Combined flux in latest and established models = 0.0131016 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.0131016 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.030821Jy sigma=0.577648 ! Fit after self-cal, rms=0.029223Jy sigma=0.535237 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00361582 Jy ! Component: 100 - total flux cleaned = 0.00412894 Jy ! Total flux subtracted in 100 components = 0.00412894 Jy ! Clean residual min=-0.001640 max=0.001385 Jy/beam ! Clean residual mean=-0.000000 rms=0.000364 Jy/beam ! Combined flux in latest and established models = 0.0172305 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 9 components and 0.0172305 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.028863Jy sigma=0.528252 ! Fit after self-cal, rms=0.028856Jy sigma=0.528218 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 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 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.547 mas, bmaj=3.655 mas, bpa=-2.874 degrees ! Estimated noise=0.255874 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000381835 Jy ! Component: 100 - total flux cleaned = -0.000424328 Jy ! Component: 150 - total flux cleaned = -0.000469713 Jy ! Component: 200 - total flux cleaned = -0.000501096 Jy ! Total flux subtracted in 200 components = -0.000501096 Jy ! Clean residual min=-0.001173 max=0.001080 Jy/beam ! Clean residual mean=0.000000 rms=0.000266 Jy/beam ! Combined flux in latest and established models = 0.0167294 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 19 components and 0.0167294 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.028850Jy sigma=0.528050 ! Fit after self-cal, rms=0.028842Jy sigma=0.527995 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.547 x 3.655 at -2.874 degrees (North through East) ! Clean map min=-0.0011334 max=0.017236 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.75 LA 0.97 MK 0.97 ! NL 1.01 OV 0.91 PT 0.83 SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.74 LA 1.14 MK 0.90 ! NL 1.12 OV 1.01 PT 1.13 SC 0.91 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 0.86 LA 1.14 MK 0.93 ! NL 0.97 OV 1.03 PT 0.45 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.90 LA 1.12 MK 0.98 ! NL 1.09 OV 1.07 PT 1.08 SC 1.03 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.74 FD 0.90 LA 1.16 MK 1.09 ! NL 0.94 OV 1.01 PT 1.13 SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.83 LA 1.22 MK 0.95 ! NL 1.09 OV 1.21 PT 1.18 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 LA 1.16 MK 1.01 ! NL 1.09 OV 1.04 PT 0.94 SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.89 LA 1.04 MK 1.02 ! NL 1.13 OV 1.05 PT 1.19 SC 0.98 ! ! ! Fit before self-cal, rms=0.028842Jy sigma=0.527995 ! Fit after self-cal, rms=0.027392Jy sigma=0.521368 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.543 mas, bmaj=3.668 mas, bpa=-2.86 degrees ! Estimated noise=0.254923 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.98226e-05 Jy ! Component: 100 - total flux cleaned = -9.66387e-05 Jy ! Component: 150 - total flux cleaned = -0.000109823 Jy ! Component: 200 - total flux cleaned = -0.000112631 Jy ! Total flux subtracted in 200 components = -0.000112631 Jy ! Clean residual min=-0.000617 max=0.000542 Jy/beam ! Clean residual mean=0.000001 rms=0.000143 Jy/beam ! Combined flux in latest and established models = 0.0166168 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 26 components and 0.0166168 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.027390Jy sigma=0.521362 ! Fit after self-cal, rms=0.027609Jy sigma=0.519425 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.027609Jy sigma=0.519425 ! Fit after self-cal, rms=0.028408Jy sigma=0.518797 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.551 mas, bmaj=3.686 mas, bpa=-2.927 degrees ! Estimated noise=0.256381 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000124229 Jy ! Component: 100 - total flux cleaned = -0.00014961 Jy ! Component: 150 - total flux cleaned = -0.000161002 Jy ! Component: 200 - total flux cleaned = -0.000160918 Jy ! Total flux subtracted in 200 components = -0.000160918 Jy ! Clean residual min=-0.000673 max=0.000548 Jy/beam ! Clean residual mean=0.000001 rms=0.000146 Jy/beam ! Combined flux in latest and established models = 0.0164559 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 29 components and 0.0164559 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.028405Jy sigma=0.518789 ! Fit after self-cal, rms=0.028521Jy sigma=0.518280 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.3498e-06 Jy ! Component: 100 - total flux cleaned = 2.62102e-06 Jy ! Component: 150 - total flux cleaned = 6.03949e-06 Jy ! Component: 200 - total flux cleaned = 5.84587e-06 Jy ! Total flux subtracted in 200 components = 5.84587e-06 Jy ! Clean residual min=-0.000731 max=0.000532 Jy/beam ! Clean residual mean=0.000001 rms=0.000149 Jy/beam ! Combined flux in latest and established models = 0.0164617 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 32 components and 0.0164617 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.028520Jy sigma=0.518266 ! Fit after self-cal, rms=0.028520Jy sigma=0.518256 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.028520Jy sigma=0.518256 ! Fit after self-cal, rms=0.028942Jy sigma=0.518101 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.559 mas, bmaj=3.702 mas, bpa=-3.135 degrees ! Estimated noise=0.256939 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000141347 Jy ! Component: 100 - total flux cleaned = -0.000159634 Jy ! Component: 150 - total flux cleaned = -0.0001697 Jy ! Component: 200 - total flux cleaned = -0.000166944 Jy ! Total flux subtracted in 200 components = -0.000166944 Jy ! Clean residual min=-0.000720 max=0.000514 Jy/beam ! Clean residual mean=0.000001 rms=0.000144 Jy/beam ! Combined flux in latest and established models = 0.0162948 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 34 components and 0.0162948 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.028938Jy sigma=0.518097 ! Fit after self-cal, rms=0.028999Jy sigma=0.517976 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.55508e-06 Jy ! Component: 100 - total flux cleaned = -3.5482e-06 Jy ! Component: 150 - total flux cleaned = -3.40463e-06 Jy ! Component: 200 - total flux cleaned = -8.943e-07 Jy ! Total flux subtracted in 200 components = -8.943e-07 Jy ! Clean residual min=-0.000732 max=0.000517 Jy/beam ! Clean residual mean=0.000001 rms=0.000144 Jy/beam ! Combined flux in latest and established models = 0.0162939 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 34 components and 0.0162939 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.028998Jy sigma=0.517969 ! Fit after self-cal, rms=0.029001Jy sigma=0.517964 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.029001Jy sigma=0.517964 ! Fit after self-cal, rms=0.029259Jy sigma=0.517918 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.944 mas, bmaj=7.548 mas, bpa=-0.4794 degrees ! Estimated noise=0.326094 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000133541 Jy ! Component: 100 - total flux cleaned = -0.000133353 Jy ! Component: 150 - total flux cleaned = -0.000138858 Jy ! Component: 200 - total flux cleaned = -0.000145787 Jy ! Total flux subtracted in 200 components = -0.000145787 Jy ! Clean residual min=-0.000726 max=0.000525 Jy/beam ! Clean residual mean=0.000002 rms=0.000173 Jy/beam ! Combined flux in latest and established models = 0.0161481 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 35 components and 0.0161481 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.029256Jy sigma=0.517931 ! Fit after self-cal, rms=0.029293Jy sigma=0.517910 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.97324e-05 Jy ! Component: 100 - total flux cleaned = -1.9922e-05 Jy ! Component: 150 - total flux cleaned = -2.00718e-05 Jy ! Component: 200 - total flux cleaned = -2.36129e-05 Jy ! Total flux subtracted in 200 components = -2.36129e-05 Jy ! Clean residual min=-0.000736 max=0.000523 Jy/beam ! Clean residual mean=0.000002 rms=0.000177 Jy/beam ! Combined flux in latest and established models = 0.0161245 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 36 components and 0.0161245 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.029292Jy sigma=0.517935 ! Fit after self-cal, rms=0.029294Jy sigma=0.517914 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.567 mas, bmaj=3.715 mas, bpa=-3.382 degrees ! Estimated noise=0.257084 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.567 x 3.715 at -3.382 degrees (North through East) ! Clean map min=-0.00069214 max=0.016968 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal 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 new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 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. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.236 mas, bmaj=3.224 mas, bpa=-4.994 degrees ! Estimated noise=0.579903 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0135972 Jy ! Component: 100 - total flux cleaned = 0.0165946 Jy ! Component: 150 - total flux cleaned = 0.0167314 Jy ! Component: 200 - total flux cleaned = 0.0166862 Jy ! Total flux subtracted in 200 components = 0.0166862 Jy ! Clean residual min=-0.001243 max=0.001268 Jy/beam ! Clean residual mean=0.000000 rms=0.000305 Jy/beam ! Combined flux in latest and established models = 0.0166862 Jy uvw 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. flux_cutoff = imstat(rms) * dynam ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0166862 Jy ! Inverting map and beam ! Estimated beam: bmin=1.567 mas, bmaj=3.715 mas, bpa=-3.382 degrees ! Estimated noise=0.257084 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000351375 Jy ! Component: 100 - total flux cleaned = -0.000418284 Jy ! Component: 150 - total flux cleaned = -0.000464239 Jy ! Component: 200 - total flux cleaned = -0.000499246 Jy ! Total flux subtracted in 200 components = -0.000499246 Jy ! Clean residual min=-0.000720 max=0.000522 Jy/beam ! Clean residual mean=0.000001 rms=0.000147 Jy/beam ! Combined flux in latest and established models = 0.016187 Jy ! Adding 9 model components to the UV plane model. ! The established model now contains 16 components and 0.016187 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.944 mas, bmaj=7.548 mas, bpa=-0.4794 degrees ! Estimated noise=0.326094 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.56205e-05 Jy ! Component: 100 - total flux cleaned = -2.50073e-05 Jy ! Component: 150 - total flux cleaned = -2.46476e-05 Jy ! Component: 200 - total flux cleaned = -2.74941e-05 Jy ! Total flux subtracted in 200 components = -2.74941e-05 Jy ! Clean residual min=-0.000737 max=0.000524 Jy/beam ! Clean residual mean=0.000002 rms=0.000178 Jy/beam ! Combined flux in latest and established models = 0.0161595 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.48721e-06 Jy ! Component: 100 - total flux cleaned = -1.24273e-05 Jy ! Component: 150 - total flux cleaned = -1.6451e-05 Jy ! Component: 200 - total flux cleaned = -2.16217e-05 Jy ! Total flux subtracted in 200 components = -2.16217e-05 Jy ! Clean residual min=-0.000738 max=0.000524 Jy/beam ! Clean residual mean=0.000002 rms=0.000178 Jy/beam ! Combined flux in latest and established models = 0.0161379 Jy ! Adding 6 model components to the UV plane model. ! The established model now contains 21 components and 0.0161379 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.567 mas, bmaj=3.715 mas, bpa=-3.382 degrees ! Estimated noise=0.257084 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.30605e-05 Jy ! Component: 100 - total flux cleaned = -5.3311e-05 Jy ! Component: 150 - total flux cleaned = -5.32602e-05 Jy ! Component: 200 - total flux cleaned = -5.02007e-05 Jy ! Total flux subtracted in 200 components = -5.02007e-05 Jy ! Clean residual min=-0.000723 max=0.000537 Jy/beam ! Clean residual mean=0.000001 rms=0.000145 Jy/beam ! Combined flux in latest and established models = 0.0160877 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 35 components and 0.0160877 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.029295Jy sigma=0.517928 ! Fit after self-cal, rms=0.029293Jy sigma=0.517910 wmodel J0227-1737_C_map.mod ! Writing 35 model components to file: J0227-1737_C_map.mod wobs J0227-1737_C_uvs.fits ! Writing UV FITS file: J0227-1737_C_uvs.fits wwins J0227-1737_C_map.win ! wwins: Wrote 1 windows to J0227-1737_C_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.000313386 Jy ! Component: 100 - total flux cleaned = -0.000509647 Jy ! Component: 150 - total flux cleaned = -0.000566491 Jy ! Component: 200 - total flux cleaned = -0.00061048 Jy ! Component: 250 - total flux cleaned = -0.000635398 Jy ! Component: 300 - total flux cleaned = -0.000643194 Jy ! Component: 350 - total flux cleaned = -0.000643007 Jy ! Component: 400 - total flux cleaned = -0.000605933 Jy ! Component: 450 - total flux cleaned = -0.000584571 Jy ! Component: 500 - total flux cleaned = -0.000563759 Jy ! Component: 550 - total flux cleaned = -0.000536587 Jy ! Component: 600 - total flux cleaned = -0.000497166 Jy ! Component: 650 - total flux cleaned = -0.000471464 Jy ! Component: 700 - total flux cleaned = -0.000427697 Jy ! Component: 750 - total flux cleaned = -0.000403324 Jy ! Component: 800 - total flux cleaned = -0.000385451 Jy ! Component: 850 - total flux cleaned = -0.000362256 Jy ! Component: 900 - total flux cleaned = -0.000339559 Jy ! Component: 950 - total flux cleaned = -0.000334061 Jy ! Component: 1000 - total flux cleaned = -0.00033968 Jy ! Component: 1050 - total flux cleaned = -0.00033966 Jy ! Component: 1100 - total flux cleaned = -0.000329164 Jy ! Component: 1150 - total flux cleaned = -0.000329218 Jy ! Component: 1200 - total flux cleaned = -0.000334253 Jy ! Component: 1250 - total flux cleaned = -0.000329269 Jy ! Component: 1300 - total flux cleaned = -0.000344179 Jy ! Component: 1350 - total flux cleaned = -0.000349027 Jy ! Component: 1400 - total flux cleaned = -0.000344194 Jy ! Component: 1450 - total flux cleaned = -0.000325193 Jy ! Component: 1500 - total flux cleaned = -0.000315819 Jy ! Component: 1550 - total flux cleaned = -0.00031585 Jy ! Component: 1600 - total flux cleaned = -0.000288221 Jy ! Component: 1650 - total flux cleaned = -0.000297397 Jy ! Component: 1700 - total flux cleaned = -0.000279315 Jy ! Component: 1750 - total flux cleaned = -0.000265914 Jy ! Component: 1800 - total flux cleaned = -0.000257044 Jy ! Component: 1850 - total flux cleaned = -0.000239529 Jy ! Component: 1900 - total flux cleaned = -0.000226513 Jy ! Component: 1950 - total flux cleaned = -0.000209322 Jy ! Component: 2000 - total flux cleaned = -0.000183837 Jy ! Component: 2050 - total flux cleaned = -0.000183852 Jy ! Component: 2100 - total flux cleaned = -0.000162964 Jy ! Component: 2150 - total flux cleaned = -0.000150546 Jy ! Component: 2200 - total flux cleaned = -0.00011768 Jy ! Component: 2250 - total flux cleaned = -9.32191e-05 Jy ! Component: 2300 - total flux cleaned = -6.4956e-05 Jy ! Component: 2350 - total flux cleaned = -4.89022e-05 Jy ! Component: 2400 - total flux cleaned = -1.70697e-05 Jy ! Component: 2450 - total flux cleaned = 2.6735e-06 Jy ! Component: 2500 - total flux cleaned = 2.6224e-05 Jy ! Component: 2550 - total flux cleaned = 5.74135e-05 Jy ! Component: 2600 - total flux cleaned = 7.28898e-05 Jy ! Component: 2650 - total flux cleaned = 8.44124e-05 Jy ! Component: 2700 - total flux cleaned = 0.000107359 Jy ! Component: 2750 - total flux cleaned = 0.000114956 Jy ! Component: 2800 - total flux cleaned = 0.000122534 Jy ! Component: 2850 - total flux cleaned = 0.000130043 Jy ! Component: 2900 - total flux cleaned = 0.000144978 Jy ! Component: 2950 - total flux cleaned = 0.000152404 Jy ! Component: 3000 - total flux cleaned = 0.000156111 Jy ! Component: 3050 - total flux cleaned = 0.000159798 Jy ! Component: 3100 - total flux cleaned = 0.00016717 Jy ! Component: 3150 - total flux cleaned = 0.000159874 Jy ! Component: 3200 - total flux cleaned = 0.000174483 Jy ! Component: 3250 - total flux cleaned = 0.000167193 Jy ! Component: 3300 - total flux cleaned = 0.000156331 Jy ! Component: 3350 - total flux cleaned = 0.000156347 Jy ! Component: 3400 - total flux cleaned = 0.000152754 Jy ! Component: 3450 - total flux cleaned = 0.00016353 Jy ! Component: 3500 - total flux cleaned = 0.000159947 Jy ! Component: 3550 - total flux cleaned = 0.000170648 Jy ! Component: 3600 - total flux cleaned = 0.000170657 Jy ! Component: 3650 - total flux cleaned = 0.00018131 Jy ! Component: 3700 - total flux cleaned = 0.000181306 Jy ! Component: 3750 - total flux cleaned = 0.00019193 Jy ! Component: 3800 - total flux cleaned = 0.000191956 Jy ! Component: 3850 - total flux cleaned = 0.000202519 Jy ! Component: 3900 - total flux cleaned = 0.000209532 Jy ! Component: 3950 - total flux cleaned = 0.000209518 Jy ! Component: 4000 - total flux cleaned = 0.000223482 Jy ! Component: 4050 - total flux cleaned = 0.000223481 Jy ! Total flux subtracted in 4096 components = 0.000216521 Jy ! Clean residual min=-0.000242 max=0.000227 Jy/beam ! Clean residual mean=0.000001 rms=0.000056 Jy/beam ! Combined flux in latest and established models = 0.0163042 Jy keep ! Adding 246 model components to the UV plane model. ! The established model now contains 281 components and 0.0163042 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0227-1737_C_20180501_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.567 x 3.715 at -3.382 degrees (North through East) ! Clean map min=-0.00036696 max=0.016994 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0227-1737_C_20180501_map.fits wmodel /vlbi/bs262/maps//J0227-1737_C_20180501_map.mod ! Writing 281 model components to file: /vlbi/bs262/maps//J0227-1737_C_20180501_map.mod wobs /vlbi/bs262/maps//J0227-1737_C_20180501_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0227-1737_C_20180501_uvs.fits wwins /vlbi/bs262/maps//J0227-1737_C_20180501_map.win ! wwins: Wrote 2 windows to /vlbi/bs262/maps//J0227-1737_C_20180501_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0169939 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 5.42143e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.957067 0.957067 1.91413 3.82827 7.65654 15.3131 30.6262 61.2523 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0001 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.016 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 313.457 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0227-1737_C_20180501_dfm.log closed on Mon Jun 4 23:14:15 2018