! Started logfile: /vlbi/bs262/maps//J0702-1951_C_20180408_dfm.log on Mon Jun 4 23:20:01 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//J0702-1951_C_20180408_uva.fits ! Reading UV FITS file: /vlbi/bs262/maps//J0702-1951_C_20180408_uva.fits ! AN table 1: 14 integrations on 36 of 36 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J0702-1951 ! ! 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 4032 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 J0702-1951_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. ! ! 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=1.357869Jy sigma=30.595632 ! Fit after self-cal, rms=0.247023Jy sigma=5.585508 ! 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=1.233 mas, bmaj=3.438 mas, bpa=-1.878 degrees ! Estimated noise=0.720275 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 = 0.630949 Jy ! Component: 100 - total flux cleaned = 0.804709 Jy ! Total flux subtracted in 100 components = 0.804709 Jy ! Clean residual min=-0.048507 max=0.079588 Jy/beam ! Clean residual mean=-0.000038 rms=0.011862 Jy/beam ! Combined flux in latest and established models = 0.804708 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.804708 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=0.195829Jy sigma=4.154018 ! Fit after self-cal, rms=0.195487Jy sigma=4.130387 ! Inverting map ! Added new window around map position (-1.8, -3). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0903504 Jy ! Component: 100 - total flux cleaned = 0.142244 Jy ! Total flux subtracted in 100 components = 0.142244 Jy ! Clean residual min=-0.042466 max=0.049723 Jy/beam ! Clean residual mean=-0.000020 rms=0.007881 Jy/beam ! Combined flux in latest and established models = 0.946952 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 11 components and 0.946952 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=0.132229Jy sigma=2.793345 ! Fit after self-cal, rms=0.130391Jy sigma=2.737308 ! Inverting map ! Added new window around map position (-2.1, 4.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.045204 Jy ! Component: 100 - total flux cleaned = 0.0668939 Jy ! Total flux subtracted in 100 components = 0.0668939 Jy ! Clean residual min=-0.031445 max=0.032474 Jy/beam ! Clean residual mean=-0.000011 rms=0.006262 Jy/beam ! Combined flux in latest and established models = 1.01385 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 18 components and 1.01385 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=0.109577Jy sigma=2.305133 ! Fit after self-cal, rms=0.109076Jy sigma=2.278924 ! 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=1.494 mas, bmaj=3.92 mas, bpa=-1.682 degrees ! Estimated noise=0.507639 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 = 0.0271827 Jy ! Component: 100 - total flux cleaned = 0.0429391 Jy ! Component: 150 - total flux cleaned = 0.0468826 Jy ! Component: 200 - total flux cleaned = 0.0479652 Jy ! Total flux subtracted in 200 components = 0.0479652 Jy ! Clean residual min=-0.028607 max=0.031909 Jy/beam ! Clean residual mean=0.000002 rms=0.006875 Jy/beam ! Combined flux in latest and established models = 1.06181 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 41 components and 1.06181 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=0.100033Jy sigma=2.120404 ! Fit after self-cal, rms=0.099642Jy sigma=2.101733 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.494 x 3.92 at -1.682 degrees (North through East) ! Clean map min=-0.027045 max=0.80246 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.95 HN 1.21 KP 0.96 ! LA 1.24 MK 0.98 NL 1.03 PT 0.95 ! SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.95 HN 1.18 KP 0.96 ! LA 1.16 MK 0.99 NL 1.02 PT 0.94 ! SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.94 HN 1.15 KP 0.95 ! LA 1.06 MK 0.97 NL 1.01 PT 0.96 ! SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.94 HN 1.14 KP 0.95 ! LA 1.01 MK 0.98 NL 1.03 PT 0.83 ! SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.94 HN 1.15 KP 0.95 ! LA 1.04 MK 1.01 NL 1.02 PT 0.94 ! SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.94 HN 1.15 KP 0.95 ! LA 1.04 MK 0.99 NL 1.00 PT 0.94 ! SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.94 HN 1.15 KP 0.95 ! LA 1.03 MK 1.00 NL 1.01 PT 0.94 ! SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.94 HN 1.15 KP 0.95 ! LA 1.04 MK 1.02 NL 1.01 PT 0.94 ! SC 0.99 ! ! ! Fit before self-cal, rms=0.099642Jy sigma=2.101733 ! Fit after self-cal, rms=0.059763Jy sigma=1.192291 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.5 mas, bmaj=3.92 mas, bpa=-1.435 degrees ! Estimated noise=0.511762 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 = -0.017879 Jy ! Component: 100 - total flux cleaned = -0.0257552 Jy ! Component: 150 - total flux cleaned = -0.027488 Jy ! Component: 200 - total flux cleaned = -0.029096 Jy ! Total flux subtracted in 200 components = -0.029096 Jy ! Clean residual min=-0.012042 max=0.015417 Jy/beam ! Clean residual mean=0.000003 rms=0.002721 Jy/beam ! Combined flux in latest and established models = 1.03272 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 62 components and 1.03272 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=0.053127Jy sigma=1.051961 ! Fit after self-cal, rms=0.052439Jy sigma=1.039532 ! Inverting map ! Added new window around map position (3, -4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0149911 Jy ! Component: 100 - total flux cleaned = 0.0186766 Jy ! Component: 150 - total flux cleaned = 0.0186909 Jy ! Component: 200 - total flux cleaned = 0.0182502 Jy ! Total flux subtracted in 200 components = 0.0182502 Jy ! Clean residual min=-0.010289 max=0.007887 Jy/beam ! Clean residual mean=0.000004 rms=0.002131 Jy/beam ! Combined flux in latest and established models = 1.05097 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 78 components and 1.05097 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=0.046558Jy sigma=0.918851 ! Fit after self-cal, rms=0.045813Jy sigma=0.905336 ! 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=0.045813Jy sigma=0.905336 ! Fit after self-cal, rms=0.045440Jy sigma=0.890101 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.5 mas, bmaj=3.92 mas, bpa=-1.377 degrees ! Estimated noise=0.512968 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00559075 Jy ! Component: 100 - total flux cleaned = -0.00696176 Jy ! Component: 150 - total flux cleaned = -0.00752153 Jy ! Component: 200 - total flux cleaned = -0.00785189 Jy ! Total flux subtracted in 200 components = -0.00785189 Jy ! Clean residual min=-0.008592 max=0.006728 Jy/beam ! Clean residual mean=0.000003 rms=0.001774 Jy/beam ! Combined flux in latest and established models = 1.04311 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 84 components and 1.04311 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=0.042915Jy sigma=0.842435 ! Fit after self-cal, rms=0.042573Jy sigma=0.836985 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 = -0.000140587 Jy ! Component: 100 - total flux cleaned = -0.000297294 Jy ! Component: 150 - total flux cleaned = -0.000695535 Jy ! Component: 200 - total flux cleaned = -0.000933763 Jy ! Total flux subtracted in 200 components = -0.000933763 Jy ! Clean residual min=-0.008037 max=0.006374 Jy/beam ! Clean residual mean=0.000003 rms=0.001657 Jy/beam ! Combined flux in latest and established models = 1.04218 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 100 components and 1.04218 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=0.041494Jy sigma=0.817963 ! Fit after self-cal, rms=0.041321Jy sigma=0.815246 ! 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=0.041321Jy sigma=0.815246 ! Fit after self-cal, rms=0.041145Jy sigma=0.807585 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.502 mas, bmaj=3.92 mas, bpa=-1.318 degrees ! Estimated noise=0.513125 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00380279 Jy ! Component: 100 - total flux cleaned = -0.00486653 Jy ! Component: 150 - total flux cleaned = -0.00556124 Jy ! Component: 200 - total flux cleaned = -0.00618641 Jy ! Total flux subtracted in 200 components = -0.00618641 Jy ! Clean residual min=-0.007289 max=0.005413 Jy/beam ! Clean residual mean=0.000003 rms=0.001498 Jy/beam ! Combined flux in latest and established models = 1.03599 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 106 components and 1.03599 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=0.040116Jy sigma=0.789325 ! Fit after self-cal, rms=0.040000Jy sigma=0.787795 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 = -0.000210821 Jy ! Component: 100 - total flux cleaned = -0.000407607 Jy ! Component: 150 - total flux cleaned = -0.000405462 Jy ! Component: 200 - total flux cleaned = -0.000566261 Jy ! Total flux subtracted in 200 components = -0.000566261 Jy ! Clean residual min=-0.007284 max=0.005294 Jy/beam ! Clean residual mean=0.000002 rms=0.001454 Jy/beam ! Combined flux in latest and established models = 1.03543 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 116 components and 1.03543 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=0.039527Jy sigma=0.780245 ! Fit after self-cal, rms=0.039458Jy sigma=0.779330 ! 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=0.039458Jy sigma=0.779330 ! Fit after self-cal, rms=0.039361Jy sigma=0.774851 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.622 mas, bmaj=7.671 mas, bpa=3.238 degrees ! Estimated noise=0.66551 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00350899 Jy ! Component: 100 - total flux cleaned = -0.00442066 Jy ! Component: 150 - total flux cleaned = -0.00491495 Jy ! Component: 200 - total flux cleaned = -0.00518342 Jy ! Total flux subtracted in 200 components = -0.00518342 Jy ! Clean residual min=-0.006767 max=0.006944 Jy/beam ! Clean residual mean=0.000003 rms=0.002136 Jy/beam ! Combined flux in latest and established models = 1.03024 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 122 components and 1.03024 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=0.039226Jy sigma=0.772819 ! Fit after self-cal, rms=0.039203Jy sigma=0.772497 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 = -0.000192082 Jy ! Component: 100 - total flux cleaned = -0.00028273 Jy ! Component: 150 - total flux cleaned = -0.000410905 Jy ! Component: 200 - total flux cleaned = -0.000492853 Jy ! Total flux subtracted in 200 components = -0.000492853 Jy ! Clean residual min=-0.006769 max=0.006801 Jy/beam ! Clean residual mean=0.000003 rms=0.002116 Jy/beam ! Combined flux in latest and established models = 1.02975 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 126 components and 1.02975 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=0.039156Jy sigma=0.772079 ! Fit after self-cal, rms=0.039145Jy sigma=0.771918 ! 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=1.502 mas, bmaj=3.92 mas, bpa=-1.272 degrees ! Estimated noise=0.513074 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.502 x 3.92 at -1.272 degrees (North through East) ! Clean map min=-0.011713 max=0.80861 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 ! Performing amp+phase self-cal ! ! 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=0.039145Jy sigma=0.771918 ! Fit after self-cal, rms=0.037395Jy sigma=0.729220 ! Inverting map and beam ! Estimated beam: bmin=1.504 mas, bmaj=3.922 mas, bpa=-1.232 degrees ! Estimated noise=0.513141 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00304671 Jy ! Component: 100 - total flux cleaned = -0.00323484 Jy ! Component: 150 - total flux cleaned = -0.00331966 Jy ! Component: 200 - total flux cleaned = -0.00332296 Jy ! Total flux subtracted in 200 components = -0.00332296 Jy ! Clean residual min=-0.006815 max=0.004885 Jy/beam ! Clean residual mean=0.000002 rms=0.001334 Jy/beam ! Combined flux in latest and established models = 1.02643 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 136 components and 1.02643 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=0.036832Jy sigma=0.719881 ! Fit after self-cal, rms=0.036777Jy sigma=0.719302 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000260744 Jy ! Component: 100 - total flux cleaned = -4.46721e-05 Jy ! Component: 150 - total flux cleaned = 8.83767e-05 Jy ! Component: 200 - total flux cleaned = 0.000150446 Jy ! Total flux subtracted in 200 components = 0.000150446 Jy ! Clean residual min=-0.006690 max=0.004888 Jy/beam ! Clean residual mean=0.000002 rms=0.001311 Jy/beam ! Combined flux in latest and established models = 1.02658 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 141 components and 1.02658 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=0.036498Jy sigma=0.714663 ! Fit after self-cal, rms=0.036468Jy sigma=0.714410 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.036468Jy sigma=0.714410 ! Fit after self-cal, rms=0.036440Jy sigma=0.712236 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=1.233 mas, bmaj=3.429 mas, bpa=-1.405 degrees ! Estimated noise=0.733229 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.642262 Jy ! Component: 100 - total flux cleaned = 0.821085 Jy ! Component: 150 - total flux cleaned = 0.90543 Jy ! Component: 200 - total flux cleaned = 0.955441 Jy ! Total flux subtracted in 200 components = 0.955441 Jy ! Clean residual min=-0.022291 max=0.027310 Jy/beam ! Clean residual mean=-0.000007 rms=0.004527 Jy/beam ! Combined flux in latest and established models = 0.955441 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.955441 Jy ! Inverting map and beam ! Estimated beam: bmin=1.503 mas, bmaj=3.921 mas, bpa=-1.22 degrees ! Estimated noise=0.512986 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 = 0.0350985 Jy ! Component: 100 - total flux cleaned = 0.0526815 Jy ! Component: 150 - total flux cleaned = 0.059122 Jy ! Component: 200 - total flux cleaned = 0.0632109 Jy ! Total flux subtracted in 200 components = 0.0632109 Jy ! Clean residual min=-0.010287 max=0.010750 Jy/beam ! Clean residual mean=0.000003 rms=0.002038 Jy/beam ! Combined flux in latest and established models = 1.01865 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 28 components and 1.01865 Jy ! Inverting map ! Added new window around map position (4.8, -11.1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00539484 Jy ! Component: 100 - total flux cleaned = 0.00713341 Jy ! Component: 150 - total flux cleaned = 0.00830879 Jy ! Component: 200 - total flux cleaned = 0.00830776 Jy ! Total flux subtracted in 200 components = 0.00830776 Jy ! Clean residual min=-0.009186 max=0.006316 Jy/beam ! Clean residual mean=0.000002 rms=0.001579 Jy/beam ! Combined flux in latest and established models = 1.02696 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 45 components and 1.02696 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=3.628 mas, bmaj=7.681 mas, bpa=3.265 degrees ! Estimated noise=0.664379 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00147598 Jy ! Component: 100 - total flux cleaned = -0.00212429 Jy ! Component: 150 - total flux cleaned = -0.00268412 Jy ! Component: 200 - total flux cleaned = -0.00308346 Jy ! Total flux subtracted in 200 components = -0.00308346 Jy ! Clean residual min=-0.007690 max=0.006568 Jy/beam ! Clean residual mean=0.000005 rms=0.002129 Jy/beam ! Combined flux in latest and established models = 1.02388 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 = -0.000363781 Jy ! Component: 100 - total flux cleaned = -0.000689057 Jy ! Component: 150 - total flux cleaned = -0.000984508 Jy ! Component: 200 - total flux cleaned = -0.00125695 Jy ! Total flux subtracted in 200 components = -0.00125695 Jy ! Clean residual min=-0.007242 max=0.006115 Jy/beam ! Clean residual mean=0.000005 rms=0.002062 Jy/beam ! Combined flux in latest and established models = 1.02262 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 74 components and 1.02262 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.503 mas, bmaj=3.921 mas, bpa=-1.22 degrees ! Estimated noise=0.512986 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000104929 Jy ! Component: 100 - total flux cleaned = 0.000491407 Jy ! Component: 150 - total flux cleaned = 0.000491028 Jy ! Component: 200 - total flux cleaned = 0.00049103 Jy ! Total flux subtracted in 200 components = 0.00049103 Jy ! Clean residual min=-0.007038 max=0.005677 Jy/beam ! Clean residual mean=0.000003 rms=0.001345 Jy/beam ! Combined flux in latest and established models = 1.02311 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 90 components and 1.02311 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=0.037565Jy sigma=0.732931 ! Fit after self-cal, rms=0.037064Jy sigma=0.726251 wmodel J0702-1951_C_map.mod ! Writing 90 model components to file: J0702-1951_C_map.mod wobs J0702-1951_C_uvs.fits ! Writing UV FITS file: J0702-1951_C_uvs.fits wwins J0702-1951_C_map.win ! wwins: Wrote 5 windows to J0702-1951_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 = -0.00238312 Jy ! Component: 100 - total flux cleaned = -0.00399224 Jy ! Component: 150 - total flux cleaned = -0.00518702 Jy ! Component: 200 - total flux cleaned = -0.00586945 Jy ! Component: 250 - total flux cleaned = -0.00627352 Jy ! Component: 300 - total flux cleaned = -0.00650378 Jy ! Component: 350 - total flux cleaned = -0.00636111 Jy ! Component: 400 - total flux cleaned = -0.00622319 Jy ! Component: 450 - total flux cleaned = -0.00608931 Jy ! Component: 500 - total flux cleaned = -0.0058971 Jy ! Component: 550 - total flux cleaned = -0.00565208 Jy ! Component: 600 - total flux cleaned = -0.00547361 Jy ! Component: 650 - total flux cleaned = -0.0051877 Jy ! Component: 700 - total flux cleaned = -0.0049691 Jy ! Component: 750 - total flux cleaned = -0.00502114 Jy ! Component: 800 - total flux cleaned = -0.00491745 Jy ! Component: 850 - total flux cleaned = -0.00486758 Jy ! Component: 900 - total flux cleaned = -0.0047714 Jy ! Component: 950 - total flux cleaned = -0.00458604 Jy ! Component: 1000 - total flux cleaned = -0.0046757 Jy ! Component: 1050 - total flux cleaned = -0.00458835 Jy ! Component: 1100 - total flux cleaned = -0.00458936 Jy ! Component: 1150 - total flux cleaned = -0.00454811 Jy ! Component: 1200 - total flux cleaned = -0.00442802 Jy ! Component: 1250 - total flux cleaned = -0.00442957 Jy ! Component: 1300 - total flux cleaned = -0.00450555 Jy ! Component: 1350 - total flux cleaned = -0.00450413 Jy ! Component: 1400 - total flux cleaned = -0.00443148 Jy ! Component: 1450 - total flux cleaned = -0.00436136 Jy ! Component: 1500 - total flux cleaned = -0.00429256 Jy ! Component: 1550 - total flux cleaned = -0.00429237 Jy ! Component: 1600 - total flux cleaned = -0.00419429 Jy ! Component: 1650 - total flux cleaned = -0.00429007 Jy ! Component: 1700 - total flux cleaned = -0.00428964 Jy ! Component: 1750 - total flux cleaned = -0.0043199 Jy ! Component: 1800 - total flux cleaned = -0.00435002 Jy ! Component: 1850 - total flux cleaned = -0.00432119 Jy ! Component: 1900 - total flux cleaned = -0.00434912 Jy ! Component: 1950 - total flux cleaned = -0.00420751 Jy ! Component: 2000 - total flux cleaned = -0.00420835 Jy ! Component: 2050 - total flux cleaned = -0.00418134 Jy ! Component: 2100 - total flux cleaned = -0.00420823 Jy ! Component: 2150 - total flux cleaned = -0.00412966 Jy ! Component: 2200 - total flux cleaned = -0.00418099 Jy ! Component: 2250 - total flux cleaned = -0.00410505 Jy ! Component: 2300 - total flux cleaned = -0.004031 Jy ! Component: 2350 - total flux cleaned = -0.00403128 Jy ! Component: 2400 - total flux cleaned = -0.00403166 Jy ! Component: 2450 - total flux cleaned = -0.00403141 Jy ! Component: 2500 - total flux cleaned = -0.00396157 Jy ! Component: 2550 - total flux cleaned = -0.00398467 Jy ! Component: 2600 - total flux cleaned = -0.00396169 Jy ! Component: 2650 - total flux cleaned = -0.00393906 Jy ! Component: 2700 - total flux cleaned = -0.00400453 Jy ! Component: 2750 - total flux cleaned = -0.00402575 Jy ! Component: 2800 - total flux cleaned = -0.00402546 Jy ! Component: 2850 - total flux cleaned = -0.00406749 Jy ! Component: 2900 - total flux cleaned = -0.00412927 Jy ! Component: 2950 - total flux cleaned = -0.0041085 Jy ! Component: 3000 - total flux cleaned = -0.00416889 Jy ! Component: 3050 - total flux cleaned = -0.00416848 Jy ! Component: 3100 - total flux cleaned = -0.0041683 Jy ! Component: 3150 - total flux cleaned = -0.00416792 Jy ! Component: 3200 - total flux cleaned = -0.00411044 Jy ! Component: 3250 - total flux cleaned = -0.00414831 Jy ! Component: 3300 - total flux cleaned = -0.00414794 Jy ! Component: 3350 - total flux cleaned = -0.00412946 Jy ! Component: 3400 - total flux cleaned = -0.00412909 Jy ! Component: 3450 - total flux cleaned = -0.00407455 Jy ! Component: 3500 - total flux cleaned = -0.00402023 Jy ! Component: 3550 - total flux cleaned = -0.0040024 Jy ! Component: 3600 - total flux cleaned = -0.00393188 Jy ! Component: 3650 - total flux cleaned = -0.00391448 Jy ! Component: 3700 - total flux cleaned = -0.00387986 Jy ! Component: 3750 - total flux cleaned = -0.00386281 Jy ! Component: 3800 - total flux cleaned = -0.00382875 Jy ! Component: 3850 - total flux cleaned = -0.00374479 Jy ! Component: 3900 - total flux cleaned = -0.00369511 Jy ! Component: 3950 - total flux cleaned = -0.00361272 Jy ! Component: 4000 - total flux cleaned = -0.00353114 Jy ! Component: 4050 - total flux cleaned = -0.00341781 Jy ! Total flux subtracted in 4096 components = -0.00335332 Jy ! Clean residual min=-0.000801 max=0.000917 Jy/beam ! Clean residual mean=0.000001 rms=0.000276 Jy/beam ! Combined flux in latest and established models = 1.01976 Jy keep ! Adding 287 model components to the UV plane model. ! The established model now contains 375 components and 1.01976 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bs262/maps//J0702-1951_C_20180408_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.503 x 3.921 at -1.22 degrees (North through East) ! Clean map min=-0.0087731 max=0.81797 Jy/beam ! Writing clean map to FITS file: /vlbi/bs262/maps//J0702-1951_C_20180408_map.fits wmodel /vlbi/bs262/maps//J0702-1951_C_20180408_map.mod ! Writing 375 model components to file: /vlbi/bs262/maps//J0702-1951_C_20180408_map.mod wobs /vlbi/bs262/maps//J0702-1951_C_20180408_uvs.fits ! Writing UV FITS file: /vlbi/bs262/maps//J0702-1951_C_20180408_uvs.fits wwins /vlbi/bs262/maps//J0702-1951_C_20180408_map.win ! wwins: Wrote 6 windows to /vlbi/bs262/maps//J0702-1951_C_20180408_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.817972 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000270914 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0993606 0.0993606 0.198721 0.397442 0.794885 1.58977 3.17954 6.35908 12.7182 25.4363 50.8726 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0008 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.817 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3019.31 quit ! Quitting program ! Log file /vlbi/bs262/maps//J0702-1951_C_20180408_dfm.log closed on Mon Jun 4 23:20:06 2018