! Started logfile: /image_prod/ug002_uva//J1838+4802_X_a_dfm.log on Thu Mar 5 03:52:00 2020 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /image_prod/ug002_uva//J1838+4802_X_a_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1838+4802_X_a_uva.fits ! AN table 1: 90 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.759259 visibilities/baseline/integration-bin. ! Found source: J1838+4802 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 29520 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 12 channels. ! Selecting polarization: RR, channels: 1..12 ! 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 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1838+4802_X_a] 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 0.200x0.200 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 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 120 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002561Jy sigma=9.342617 ! Fit after self-cal, rms=0.970699Jy sigma=9.050747 ! 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=0.6446 mas, bmaj=1.297 mas, bpa=-20.63 degrees ! Estimated noise=0.991225 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 = 0.024421 Jy ! Component: 100 - total flux cleaned = 0.029635 Jy ! Total flux subtracted in 100 components = 0.029635 Jy ! Clean residual min=-0.003020 max=0.003760 Jy/beam ! Clean residual mean=0.000002 rms=0.000627 Jy/beam ! Combined flux in latest and established models = 0.029635 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.029635 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.055006Jy sigma=0.479956 ! Fit after self-cal, rms=0.053160Jy sigma=0.461983 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0032318 Jy ! Component: 100 - total flux cleaned = 0.00352676 Jy ! Total flux subtracted in 100 components = 0.00352676 Jy ! Clean residual min=-0.002526 max=0.003022 Jy/beam ! Clean residual mean=0.000002 rms=0.000574 Jy/beam ! Combined flux in latest and established models = 0.0331618 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0331618 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.052883Jy sigma=0.459691 ! Fit after self-cal, rms=0.052866Jy sigma=0.459571 ! 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=0.8571 mas, bmaj=1.563 mas, bpa=-19.82 degrees ! Estimated noise=0.4482 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 (8.2, 17.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00215836 Jy ! Component: 100 - total flux cleaned = 0.00237668 Jy ! Component: 150 - total flux cleaned = 0.00233791 Jy ! Component: 200 - total flux cleaned = 0.00222395 Jy ! Total flux subtracted in 200 components = 0.00222395 Jy ! Clean residual min=-0.001790 max=0.002185 Jy/beam ! Clean residual mean=0.000003 rms=0.000419 Jy/beam ! Combined flux in latest and established models = 0.0353857 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 23 components and 0.0353857 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.052751Jy sigma=0.458391 ! Fit after self-cal, rms=0.052723Jy sigma=0.458197 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8571 x 1.563 at -19.82 degrees (North through East) ! Clean map min=-0.0016381 max=0.033683 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.01 HN 1.01 KP 1.14 ! LA 0.94 MK 1.18 NL 1.29 OV 0.90 ! SC 0.83 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.02 HN 1.04 KP 1.27 ! LA 0.94 MK 1.12 NL 1.30 OV 0.89 ! SC 0.86 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 1.03 KP 1.20 ! LA 0.90 MK 1.11 NL 1.35 OV 0.95 ! SC 0.82 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.98 HN 0.97 KP 1.17 ! LA 0.98 MK 1.12 NL 1.28 OV 0.96 ! SC 0.81 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.04 HN 1.03 KP 1.22 ! LA 0.94 MK 1.08 NL 1.29 OV 0.88 ! SC 0.82 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.03 HN 0.98 KP 1.24 ! LA 0.87 MK 1.09 NL 1.28 OV 0.89 ! SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HN 1.00 KP 1.25 ! LA 0.90 MK 1.10 NL 1.27 OV 0.91 ! SC 0.79 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.02 HN 0.91 KP 1.19 ! LA 0.96 MK 1.08 NL 1.23 OV 0.93 ! SC 0.84 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.89 KP 1.17 ! LA 0.94 MK 1.09 NL 1.37 OV 0.82 ! SC 0.85 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 0.96 HN 0.91 KP 1.26 ! LA 0.86 MK 1.08 NL 1.23 OV 0.88 ! SC 0.81 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.89 FD 0.94 HN 0.86 KP 1.25 ! LA 0.92 MK 1.04 NL 1.37 OV 0.94 ! SC 0.76 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 1.00 HN 0.92 KP 1.16 ! LA 1.01 MK 0.88 NL 1.21 OV 0.88 ! SC 0.73 ! ! ! Fit before self-cal, rms=0.052723Jy sigma=0.458197 ! Fit after self-cal, rms=0.050140Jy sigma=0.454033 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8548 mas, bmaj=1.511 mas, bpa=-16.93 degrees ! Estimated noise=0.444658 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 = -0.000599691 Jy ! Component: 100 - total flux cleaned = -0.000614336 Jy ! Component: 150 - total flux cleaned = -0.000715157 Jy ! Component: 200 - total flux cleaned = -0.000760405 Jy ! Total flux subtracted in 200 components = -0.000760405 Jy ! Clean residual min=-0.001026 max=0.001006 Jy/beam ! Clean residual mean=0.000002 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.0346253 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 35 components and 0.0346253 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.050123Jy sigma=0.453856 ! Fit after self-cal, rms=0.050230Jy sigma=0.452934 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.050230Jy sigma=0.452934 ! Fit after self-cal, rms=0.050828Jy sigma=0.451497 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8533 mas, bmaj=1.498 mas, bpa=-17.22 degrees ! Estimated noise=0.441857 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000266783 Jy ! Component: 100 - total flux cleaned = -0.000269273 Jy ! Component: 150 - total flux cleaned = -0.000239044 Jy ! Component: 200 - total flux cleaned = -0.000239059 Jy ! Total flux subtracted in 200 components = -0.000239059 Jy ! Clean residual min=-0.000802 max=0.000823 Jy/beam ! Clean residual mean=-0.000000 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.0343863 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 48 components and 0.0343863 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.050821Jy sigma=0.451445 ! Fit after self-cal, rms=0.050919Jy sigma=0.451073 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) ! Added new window around map position (-14, 38). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000686772 Jy ! Component: 100 - total flux cleaned = 0.000898403 Jy ! Component: 150 - total flux cleaned = 0.000911815 Jy ! Component: 200 - total flux cleaned = 0.000922899 Jy ! Total flux subtracted in 200 components = 0.000922899 Jy ! Clean residual min=-0.000779 max=0.000760 Jy/beam ! Clean residual mean=-0.000000 rms=0.000178 Jy/beam ! Combined flux in latest and established models = 0.0353092 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 59 components and 0.0353092 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.050907Jy sigma=0.450980 ! Fit after self-cal, rms=0.050905Jy sigma=0.450953 ! 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.050905Jy sigma=0.450953 ! Fit after self-cal, rms=0.051289Jy sigma=0.450867 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8511 mas, bmaj=1.496 mas, bpa=-17.18 degrees ! Estimated noise=0.441514 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000197735 Jy ! Component: 100 - total flux cleaned = 0.000284853 Jy ! Component: 150 - total flux cleaned = 0.000339071 Jy ! Component: 200 - total flux cleaned = 0.000339189 Jy ! Total flux subtracted in 200 components = 0.000339189 Jy ! Clean residual min=-0.000747 max=0.000720 Jy/beam ! Clean residual mean=-0.000001 rms=0.000175 Jy/beam ! Combined flux in latest and established models = 0.0356484 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 63 components and 0.0356484 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051283Jy sigma=0.450817 ! Fit after self-cal, rms=0.051316Jy sigma=0.450754 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 = 0.000182801 Jy ! Component: 100 - total flux cleaned = 0.000162083 Jy ! Component: 150 - total flux cleaned = 0.000143581 Jy ! Component: 200 - total flux cleaned = 0.000152335 Jy ! Total flux subtracted in 200 components = 0.000152335 Jy ! Clean residual min=-0.000759 max=0.000719 Jy/beam ! Clean residual mean=-0.000001 rms=0.000174 Jy/beam ! Combined flux in latest and established models = 0.0358007 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 66 components and 0.0358007 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051311Jy sigma=0.450728 ! Fit after self-cal, rms=0.051313Jy sigma=0.450724 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051313Jy sigma=0.450724 ! Fit after self-cal, rms=0.051400Jy sigma=0.450705 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.996 mas, bmaj=2.354 mas, bpa=-18.94 degrees ! Estimated noise=0.591831 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 1.68127e-06 Jy ! Component: 100 - total flux cleaned = -5.33779e-05 Jy ! Component: 150 - total flux cleaned = -5.37906e-05 Jy ! Component: 200 - total flux cleaned = -5.39541e-05 Jy ! Total flux subtracted in 200 components = -5.39541e-05 Jy ! Clean residual min=-0.000990 max=0.000891 Jy/beam ! Clean residual mean=-0.000001 rms=0.000235 Jy/beam ! Combined flux in latest and established models = 0.0357467 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 87 components and 0.0357467 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051398Jy sigma=0.450695 ! Fit after self-cal, rms=0.051408Jy sigma=0.450680 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 = -6.53087e-05 Jy ! Component: 100 - total flux cleaned = -9.11088e-05 Jy ! Component: 150 - total flux cleaned = -8.57829e-05 Jy ! Component: 200 - total flux cleaned = -7.06481e-05 Jy ! Total flux subtracted in 200 components = -7.06481e-05 Jy ! Clean residual min=-0.000973 max=0.000868 Jy/beam ! Clean residual mean=-0.000001 rms=0.000234 Jy/beam ! Combined flux in latest and established models = 0.0356761 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 90 components and 0.0356761 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051407Jy sigma=0.450675 ! Fit after self-cal, rms=0.051407Jy sigma=0.450671 ! 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=0.85 mas, bmaj=1.494 mas, bpa=-17.16 degrees ! Estimated noise=0.441092 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.85 x 1.494 at -17.16 degrees (North through East) ! Clean map min=-0.00099901 max=0.033069 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=0.6451 mas, bmaj=1.237 mas, bpa=-18.01 degrees ! Estimated noise=0.944293 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0255277 Jy ! Component: 100 - total flux cleaned = 0.0311484 Jy ! Component: 150 - total flux cleaned = 0.0323664 Jy ! Component: 200 - total flux cleaned = 0.0333226 Jy ! Total flux subtracted in 200 components = 0.0333226 Jy ! Clean residual min=-0.001745 max=0.001695 Jy/beam ! Clean residual mean=-0.000000 rms=0.000395 Jy/beam ! Combined flux in latest and established models = 0.0333226 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0333226 Jy ! Inverting map and beam ! Estimated beam: bmin=0.85 mas, bmaj=1.494 mas, bpa=-17.16 degrees ! Estimated noise=0.441092 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 = 0.00134001 Jy ! Component: 100 - total flux cleaned = 0.00194287 Jy ! Component: 150 - total flux cleaned = 0.00232262 Jy ! Component: 200 - total flux cleaned = 0.00266932 Jy ! Total flux subtracted in 200 components = 0.00266932 Jy ! Clean residual min=-0.001092 max=0.000890 Jy/beam ! Clean residual mean=-0.000000 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.0359919 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 30 components and 0.0359919 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.996 mas, bmaj=2.354 mas, bpa=-18.94 degrees ! Estimated noise=0.591831 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00013975 Jy ! Component: 100 - total flux cleaned = 0.000158209 Jy ! Component: 150 - total flux cleaned = 0.000158111 Jy ! Component: 200 - total flux cleaned = 0.000142586 Jy ! Total flux subtracted in 200 components = 0.000142586 Jy ! Clean residual min=-0.001125 max=0.000878 Jy/beam ! Clean residual mean=-0.000001 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.0361345 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 = -2.61506e-05 Jy ! Component: 100 - total flux cleaned = -4.89031e-05 Jy ! Component: 150 - total flux cleaned = -6.9084e-05 Jy ! Component: 200 - total flux cleaned = -0.000107464 Jy ! Total flux subtracted in 200 components = -0.000107464 Jy ! Clean residual min=-0.001063 max=0.000866 Jy/beam ! Clean residual mean=-0.000002 rms=0.000238 Jy/beam ! Combined flux in latest and established models = 0.036027 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 49 components and 0.036027 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.85 mas, bmaj=1.494 mas, bpa=-17.16 degrees ! Estimated noise=0.441092 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00031971 Jy ! Component: 100 - total flux cleaned = 0.000372845 Jy ! Component: 150 - total flux cleaned = 0.000388681 Jy ! Component: 200 - total flux cleaned = 0.000403373 Jy ! Total flux subtracted in 200 components = 0.000403373 Jy ! Clean residual min=-0.000799 max=0.000790 Jy/beam ! Clean residual mean=-0.000001 rms=0.000180 Jy/beam ! Combined flux in latest and established models = 0.0364304 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 63 components and 0.0364304 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. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.051418Jy sigma=0.450795 ! Fit after self-cal, rms=0.051417Jy sigma=0.450761 wmodel J1838+4802_X_a_map.mod ! Writing 63 model components to file: J1838+4802_X_a_map.mod wobs J1838+4802_X_a_uvs.fits ! Writing UV FITS file: J1838+4802_X_a_uvs.fits wwins J1838+4802_X_a_map.win ! wwins: Wrote 3 windows to J1838+4802_X_a_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 = -7.08418e-05 Jy ! Component: 100 - total flux cleaned = -0.000150155 Jy ! Component: 150 - total flux cleaned = -0.00016268 Jy ! Component: 200 - total flux cleaned = -0.00019883 Jy ! Component: 250 - total flux cleaned = -0.0002573 Jy ! Component: 300 - total flux cleaned = -0.000337123 Jy ! Component: 350 - total flux cleaned = -0.000392821 Jy ! Component: 400 - total flux cleaned = -0.000425605 Jy ! Component: 450 - total flux cleaned = -0.00047932 Jy ! Component: 500 - total flux cleaned = -0.000511074 Jy ! Component: 550 - total flux cleaned = -0.000563116 Jy ! Component: 600 - total flux cleaned = -0.000573396 Jy ! Component: 650 - total flux cleaned = -0.000623889 Jy ! Component: 700 - total flux cleaned = -0.000673326 Jy ! Component: 750 - total flux cleaned = -0.000722372 Jy ! Component: 800 - total flux cleaned = -0.000751469 Jy ! Component: 850 - total flux cleaned = -0.000846773 Jy ! Component: 900 - total flux cleaned = -0.000893717 Jy ! Component: 950 - total flux cleaned = -0.000958621 Jy ! Component: 1000 - total flux cleaned = -0.00100447 Jy ! Component: 1050 - total flux cleaned = -0.00104081 Jy ! Component: 1100 - total flux cleaned = -0.00107667 Jy ! Component: 1150 - total flux cleaned = -0.00107663 Jy ! Component: 1200 - total flux cleaned = -0.00112931 Jy ! Component: 1250 - total flux cleaned = -0.00116397 Jy ! Component: 1300 - total flux cleaned = -0.00122386 Jy ! Component: 1350 - total flux cleaned = -0.00126611 Jy ! Component: 1400 - total flux cleaned = -0.00125765 Jy ! Component: 1450 - total flux cleaned = -0.00129944 Jy ! Component: 1500 - total flux cleaned = -0.00135677 Jy ! Component: 1550 - total flux cleaned = -0.00137291 Jy ! Component: 1600 - total flux cleaned = -0.00141322 Jy ! Component: 1650 - total flux cleaned = -0.00142125 Jy ! Component: 1700 - total flux cleaned = -0.00146868 Jy ! Component: 1750 - total flux cleaned = -0.00149223 Jy ! Component: 1800 - total flux cleaned = -0.00149227 Jy ! Component: 1850 - total flux cleaned = -0.00154631 Jy ! Component: 1900 - total flux cleaned = -0.00155388 Jy ! Component: 1950 - total flux cleaned = -0.00156144 Jy ! Component: 2000 - total flux cleaned = -0.00159154 Jy ! Component: 2050 - total flux cleaned = -0.00164376 Jy ! Component: 2100 - total flux cleaned = -0.00165851 Jy ! Component: 2150 - total flux cleaned = -0.00168059 Jy ! Component: 2200 - total flux cleaned = -0.00173158 Jy ! Component: 2250 - total flux cleaned = -0.00176781 Jy ! Component: 2300 - total flux cleaned = -0.00178941 Jy ! Component: 2350 - total flux cleaned = -0.00181083 Jy ! Component: 2400 - total flux cleaned = -0.00186044 Jy ! Component: 2450 - total flux cleaned = -0.00190963 Jy ! Component: 2500 - total flux cleaned = -0.00192364 Jy ! Component: 2550 - total flux cleaned = -0.00195133 Jy ! Component: 2600 - total flux cleaned = -0.00199271 Jy ! Component: 2650 - total flux cleaned = -0.00203374 Jy ! Component: 2700 - total flux cleaned = -0.00204053 Jy ! Component: 2750 - total flux cleaned = -0.00206077 Jy ! Component: 2800 - total flux cleaned = -0.0020742 Jy ! Component: 2850 - total flux cleaned = -0.00208089 Jy ! Component: 2900 - total flux cleaned = -0.00212733 Jy ! Component: 2950 - total flux cleaned = -0.00215367 Jy ! Component: 3000 - total flux cleaned = -0.00216675 Jy ! Component: 3050 - total flux cleaned = -0.00217972 Jy ! Component: 3100 - total flux cleaned = -0.00221208 Jy ! Component: 3150 - total flux cleaned = -0.00223772 Jy ! Component: 3200 - total flux cleaned = -0.00226968 Jy ! Component: 3250 - total flux cleaned = -0.0022633 Jy ! Component: 3300 - total flux cleaned = -0.00229486 Jy ! Component: 3350 - total flux cleaned = -0.00232618 Jy ! Component: 3400 - total flux cleaned = -0.00234485 Jy ! Component: 3450 - total flux cleaned = -0.00236957 Jy ! Component: 3500 - total flux cleaned = -0.00238805 Jy ! Component: 3550 - total flux cleaned = -0.00242483 Jy ! Component: 3600 - total flux cleaned = -0.00244925 Jy ! Component: 3650 - total flux cleaned = -0.00248556 Jy ! Component: 3700 - total flux cleaned = -0.00250359 Jy ! Component: 3750 - total flux cleaned = -0.00254557 Jy ! Component: 3800 - total flux cleaned = -0.00256339 Jy ! Component: 3850 - total flux cleaned = -0.00259302 Jy ! Component: 3900 - total flux cleaned = -0.0026225 Jy ! Component: 3950 - total flux cleaned = -0.00264008 Jy ! Component: 4000 - total flux cleaned = -0.0026809 Jy ! Component: 4050 - total flux cleaned = -0.00269826 Jy ! Total flux subtracted in 4096 components = -0.00271556 Jy ! Clean residual min=-0.000340 max=0.000376 Jy/beam ! Clean residual mean=-0.000000 rms=0.000095 Jy/beam ! Combined flux in latest and established models = 0.0337148 Jy keep ! Adding 310 model components to the UV plane model. ! The established model now contains 373 components and 0.0337148 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1838+4802_X_a_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.85 x 1.494 at -17.16 degrees (North through East) ! Clean map min=-0.00076688 max=0.032791 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1838+4802_X_a_map.fits wmodel /image_prod/ug002_uva//J1838+4802_X_a_map.mod ! Writing 373 model components to file: /image_prod/ug002_uva//J1838+4802_X_a_map.mod wobs /image_prod/ug002_uva//J1838+4802_X_a_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1838+4802_X_a_uvs.fits wwins /image_prod/ug002_uva//J1838+4802_X_a_map.win ! wwins: Wrote 4 windows to /image_prod/ug002_uva//J1838+4802_X_a_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0327912 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 9.53141e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.87201 0.87201 1.74402 3.48804 6.97608 13.9522 27.9043 55.8086 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.032 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 344.032 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1838+4802_X_a_dfm.log closed on Thu Mar 5 03:52:05 2020