! Started logfile: /image_prod/ug002_uva//J1920-3831_X_dfm.log on Thu Mar 5 04:08:08 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//J1920-3831_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1920-3831_X_uva.fits ! AN table 1: 38 integrations on 21 of 21 possible baselines. ! AN table 2: 37 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.999455 visibilities/baseline/integration-bin. ! Found source: J1920-3831 ! ! 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 121 lines of history. ! ! Reading 21996 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 J1920-3831_X] 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. ! ! 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=1.005896Jy sigma=6.572661 ! Fit after self-cal, rms=0.952967Jy sigma=6.218082 ! 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=0.5427 mas, bmaj=1.501 mas, bpa=-6.809 degrees ! Estimated noise=1.87537 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 = 0.0349794 Jy ! Component: 100 - total flux cleaned = 0.0443544 Jy ! Total flux subtracted in 100 components = 0.0443544 Jy ! Clean residual min=-0.004781 max=0.006652 Jy/beam ! Clean residual mean=0.000071 rms=0.001377 Jy/beam ! Combined flux in latest and established models = 0.0443544 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0443544 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=0.082792Jy sigma=0.472824 ! Fit after self-cal, rms=0.081583Jy sigma=0.464762 ! 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=0.7171 mas, bmaj=1.913 mas, bpa=-6.017 degrees ! Estimated noise=0.753356 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 = 0.0113079 Jy ! Component: 100 - total flux cleaned = 0.016917 Jy ! Component: 150 - total flux cleaned = 0.0198067 Jy ! Component: 200 - total flux cleaned = 0.0212997 Jy ! Total flux subtracted in 200 components = 0.0212997 Jy ! Clean residual min=-0.005584 max=0.007441 Jy/beam ! Clean residual mean=0.000117 rms=0.001679 Jy/beam ! Combined flux in latest and established models = 0.065654 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 30 components and 0.065654 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=0.080316Jy sigma=0.452038 ! Fit after self-cal, rms=0.080239Jy sigma=0.451282 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7171 x 1.913 at -6.017 degrees (North through East) ! Clean map min=-0.0053464 max=0.049671 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! HN 0.82 LA 1.06 MK 1.09 NL 1.32 ! OV 1.05 PT 0.84 SC 1.12 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 KP 0.80 LA 1.11 MK 1.18 ! NL 1.68 OV 0.89 PT 0.77 SC 1.02 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! HN 0.74 LA 1.12 MK 1.05 NL 1.34 ! OV 1.15 PT 0.83 SC 1.19 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 KP 0.84 LA 1.05 MK 1.26 ! NL 1.85 OV 0.89 PT 0.81 SC 1.15 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! HN 0.80 LA 1.05 MK 1.05 NL 1.30 ! OV 0.95 PT 0.93 SC 1.16 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 KP 0.80 LA 0.99 MK 1.22 ! NL 1.88 OV 1.04 PT 0.78 SC 1.24 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! HN 0.73 LA 1.15 MK 0.95 NL 1.40 ! OV 1.06 PT 0.87 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.88 KP 0.88 LA 0.99 MK 1.25 ! NL 1.61 OV 0.93 PT 0.82 SC 1.14 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! HN 0.71 LA 1.04 MK 0.97 NL 1.30 ! OV 1.02 PT 0.94 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 KP 0.81 LA 1.07 MK 1.11 ! NL 1.55 OV 0.94 PT 0.81 SC 1.13 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! HN 0.75 LA 1.07 MK 0.90 NL 1.25 ! OV 1.06 PT 0.98 SC 1.10 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.84 KP 0.82 LA 1.04 MK 1.40 ! NL 1.55 OV 0.95 PT 0.81 SC 1.17 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! HN 0.62 LA 1.27 MK 1.04 NL 1.18 ! OV 1.04 PT 1.05 SC 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 KP 0.82 LA 1.09 MK 1.36 ! NL 1.64 OV 1.02 PT 0.80 SC 1.24 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! HN 0.74 LA 1.21 MK 0.97 NL 1.43 ! OV 1.05 PT 0.89 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 KP 0.83 LA 1.16 MK 1.21 ! NL 1.44 OV 0.93 PT 0.88 SC 1.15 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! HN 0.67 LA 1.19 MK 1.07 NL 1.39 ! OV 1.02 PT 0.83 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 KP 0.84 LA 1.02 MK 1.12 ! NL 1.60 OV 0.94 PT 0.84 SC 0.94 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! HN 0.74 LA 1.12 MK 0.92 NL 1.47 ! OV 1.06 PT 0.82 SC 1.06 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.87 KP 0.85 LA 1.15 MK 1.20 ! NL 1.72 OV 0.87 PT 0.83 SC 1.30 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! HN 0.67 LA 1.05 MK 0.84 NL 1.42 ! OV 1.02 PT 0.96 SC 0.90 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 KP 0.86 LA 1.16 MK 1.04 ! NL 1.67 OV 0.82 PT 0.82 SC 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! HN 0.64 LA 1.23 MK 0.79 NL 1.25 ! OV 0.93 PT 1.12 SC 0.87 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 KP 0.84 LA 1.13 MK 0.99 ! NL 1.48 OV 0.83 PT 0.83 SC 1.12 ! ! ! Fit before self-cal, rms=0.080239Jy sigma=0.451282 ! Fit after self-cal, rms=0.084135Jy sigma=0.442135 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.735 mas, bmaj=1.95 mas, bpa=-6.497 degrees ! Estimated noise=0.761771 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 (3.2, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00562476 Jy ! Component: 100 - total flux cleaned = 0.00812804 Jy ! Component: 150 - total flux cleaned = 0.00956747 Jy ! Component: 200 - total flux cleaned = 0.0101962 Jy ! Total flux subtracted in 200 components = 0.0101962 Jy ! Clean residual min=-0.002845 max=0.003678 Jy/beam ! Clean residual mean=0.000058 rms=0.000798 Jy/beam ! Combined flux in latest and established models = 0.0758503 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 48 components and 0.0758503 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=0.083808Jy sigma=0.439139 ! Fit after self-cal, rms=0.084141Jy sigma=0.436458 ! 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=0.084141Jy sigma=0.436458 ! Fit after self-cal, rms=0.084370Jy sigma=0.436020 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7333 mas, bmaj=1.943 mas, bpa=-6.413 degrees ! Estimated noise=0.750457 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00313486 Jy ! Component: 100 - total flux cleaned = 0.00435581 Jy ! Component: 150 - total flux cleaned = 0.00453699 Jy ! Component: 200 - total flux cleaned = 0.00463528 Jy ! Total flux subtracted in 200 components = 0.00463528 Jy ! Clean residual min=-0.002265 max=0.002624 Jy/beam ! Clean residual mean=0.000037 rms=0.000628 Jy/beam ! Combined flux in latest and established models = 0.0804856 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 56 components and 0.0804855 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=0.084267Jy sigma=0.435143 ! Fit after self-cal, rms=0.084295Jy sigma=0.434583 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 = 0.0017768 Jy ! Component: 100 - total flux cleaned = 0.00215426 Jy ! Component: 150 - total flux cleaned = 0.00220062 Jy ! Component: 200 - total flux cleaned = 0.00222236 Jy ! Total flux subtracted in 200 components = 0.00222236 Jy ! Clean residual min=-0.002141 max=0.002230 Jy/beam ! Clean residual mean=0.000032 rms=0.000582 Jy/beam ! Combined flux in latest and established models = 0.0827079 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 64 components and 0.0827079 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=0.084251Jy sigma=0.434331 ! Fit after self-cal, rms=0.084234Jy sigma=0.434183 ! 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=0.084234Jy sigma=0.434183 ! Fit after self-cal, rms=0.084347Jy sigma=0.433930 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7345 mas, bmaj=1.945 mas, bpa=-6.282 degrees ! Estimated noise=0.748396 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00138289 Jy ! Component: 100 - total flux cleaned = 0.00139153 Jy ! Component: 150 - total flux cleaned = 0.00136909 Jy ! Component: 200 - total flux cleaned = 0.0013881 Jy ! Total flux subtracted in 200 components = 0.0013881 Jy ! Clean residual min=-0.001971 max=0.002017 Jy/beam ! Clean residual mean=0.000023 rms=0.000505 Jy/beam ! Combined flux in latest and established models = 0.084096 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 66 components and 0.084096 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=0.084318Jy sigma=0.433713 ! Fit after self-cal, rms=0.084319Jy sigma=0.433526 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 = 0.000833432 Jy ! Component: 100 - total flux cleaned = 0.000785295 Jy ! Component: 150 - total flux cleaned = 0.000805849 Jy ! Component: 200 - total flux cleaned = 0.000824866 Jy ! Total flux subtracted in 200 components = 0.000824866 Jy ! Clean residual min=-0.001949 max=0.001893 Jy/beam ! Clean residual mean=0.000021 rms=0.000483 Jy/beam ! Combined flux in latest and established models = 0.0849209 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 68 components and 0.0849209 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=0.084301Jy sigma=0.433423 ! Fit after self-cal, rms=0.084309Jy sigma=0.433359 ! 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=0.084309Jy sigma=0.433359 ! Fit after self-cal, rms=0.084043Jy sigma=0.433278 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.281 mas, bmaj=6.918 mas, bpa=0.9081 degrees ! Estimated noise=0.944504 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000971029 Jy ! Component: 100 - total flux cleaned = 0.00120669 Jy ! Component: 150 - total flux cleaned = 0.00122141 Jy ! Component: 200 - total flux cleaned = 0.00122117 Jy ! Total flux subtracted in 200 components = 0.00122117 Jy ! Clean residual min=-0.002614 max=0.002844 Jy/beam ! Clean residual mean=0.000034 rms=0.000767 Jy/beam ! Combined flux in latest and established models = 0.0861421 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 75 components and 0.0861421 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=0.084040Jy sigma=0.433230 ! Fit after self-cal, rms=0.084035Jy sigma=0.433135 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 = 0.000285275 Jy ! Component: 100 - total flux cleaned = 0.000270505 Jy ! Component: 150 - total flux cleaned = 0.000270863 Jy ! Component: 200 - total flux cleaned = 0.00025711 Jy ! Total flux subtracted in 200 components = 0.00025711 Jy ! Clean residual min=-0.002560 max=0.002778 Jy/beam ! Clean residual mean=0.000033 rms=0.000750 Jy/beam ! Combined flux in latest and established models = 0.0863992 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 76 components and 0.0863992 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=0.084034Jy sigma=0.433114 ! Fit after self-cal, rms=0.084032Jy sigma=0.433085 ! 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=0.7349 mas, bmaj=1.945 mas, bpa=-6.218 degrees ! Estimated noise=0.746536 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7349 x 1.945 at -6.218 degrees (North through East) ! Clean map min=-0.0016783 max=0.048521 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=0.5471 mas, bmaj=1.499 mas, bpa=-7.135 degrees ! Estimated noise=1.87964 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0346616 Jy ! Component: 100 - total flux cleaned = 0.0453715 Jy ! Component: 150 - total flux cleaned = 0.0527386 Jy ! Component: 200 - total flux cleaned = 0.0583264 Jy ! Total flux subtracted in 200 components = 0.0583264 Jy ! Clean residual min=-0.004134 max=0.004498 Jy/beam ! Clean residual mean=0.000042 rms=0.001074 Jy/beam ! Combined flux in latest and established models = 0.0583264 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.0583264 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7349 mas, bmaj=1.945 mas, bpa=-6.218 degrees ! Estimated noise=0.746536 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 = 0.00857706 Jy ! Component: 100 - total flux cleaned = 0.0142146 Jy ! Component: 150 - total flux cleaned = 0.0181241 Jy ! Component: 200 - total flux cleaned = 0.0208916 Jy ! Total flux subtracted in 200 components = 0.0208916 Jy ! Clean residual min=-0.002259 max=0.002697 Jy/beam ! Clean residual mean=0.000041 rms=0.000604 Jy/beam ! Combined flux in latest and established models = 0.079218 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 46 components and 0.079218 Jy ! Inverting map ! Added new window around map position (-0.8, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00246995 Jy ! Component: 100 - total flux cleaned = 0.00406534 Jy ! Component: 150 - total flux cleaned = 0.0052757 Jy ! Component: 200 - total flux cleaned = 0.00620289 Jy ! Total flux subtracted in 200 components = 0.00620289 Jy ! Clean residual min=-0.001776 max=0.001859 Jy/beam ! Clean residual mean=0.000018 rms=0.000455 Jy/beam ! Combined flux in latest and established models = 0.0854209 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 63 components and 0.0854209 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=2.281 mas, bmaj=6.918 mas, bpa=0.9081 degrees ! Estimated noise=0.944504 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0011498 Jy ! Component: 100 - total flux cleaned = 0.00137952 Jy ! Component: 150 - total flux cleaned = 0.00147849 Jy ! Component: 200 - total flux cleaned = 0.00150155 Jy ! Total flux subtracted in 200 components = 0.00150155 Jy ! Clean residual min=-0.002598 max=0.002814 Jy/beam ! Clean residual mean=0.000030 rms=0.000741 Jy/beam ! Combined flux in latest and established models = 0.0869224 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 = 2.17711e-05 Jy ! Component: 100 - total flux cleaned = 6.0922e-05 Jy ! Component: 150 - total flux cleaned = 7.91046e-05 Jy ! Component: 200 - total flux cleaned = 0.000111594 Jy ! Total flux subtracted in 200 components = 0.000111594 Jy ! Clean residual min=-0.002508 max=0.002735 Jy/beam ! Clean residual mean=0.000028 rms=0.000723 Jy/beam ! Combined flux in latest and established models = 0.087034 Jy ! Adding 12 model components to the UV plane model. ! The established model now contains 71 components and 0.087034 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7349 mas, bmaj=1.945 mas, bpa=-6.218 degrees ! Estimated noise=0.746536 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000225593 Jy ! Component: 100 - total flux cleaned = -0.000177762 Jy ! Component: 150 - total flux cleaned = -0.000134924 Jy ! Component: 200 - total flux cleaned = -9.65619e-05 Jy ! Total flux subtracted in 200 components = -9.65619e-05 Jy ! Clean residual min=-0.001711 max=0.001761 Jy/beam ! Clean residual mean=0.000013 rms=0.000421 Jy/beam ! Combined flux in latest and established models = 0.0869374 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 88 components and 0.0869374 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=0.083963Jy sigma=0.432847 ! Fit after self-cal, rms=0.083898Jy sigma=0.432712 wmodel J1920-3831_X_map.mod ! Writing 88 model components to file: J1920-3831_X_map.mod wobs J1920-3831_X_uvs.fits ! Writing UV FITS file: J1920-3831_X_uvs.fits wwins J1920-3831_X_map.win ! wwins: Wrote 3 windows to J1920-3831_X_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 = 4.65772e-05 Jy ! Component: 100 - total flux cleaned = 4.7482e-05 Jy ! Component: 150 - total flux cleaned = 7.20904e-05 Jy ! Component: 200 - total flux cleaned = 0.000196402 Jy ! Component: 250 - total flux cleaned = 0.00036117 Jy ! Component: 300 - total flux cleaned = 0.000450951 Jy ! Component: 350 - total flux cleaned = 0.000515805 Jy ! Component: 400 - total flux cleaned = 0.00060029 Jy ! Component: 450 - total flux cleaned = 0.000702076 Jy ! Component: 500 - total flux cleaned = 0.000819855 Jy ! Component: 550 - total flux cleaned = 0.00085804 Jy ! Component: 600 - total flux cleaned = 0.000876312 Jy ! Component: 650 - total flux cleaned = 0.000876223 Jy ! Component: 700 - total flux cleaned = 0.000823382 Jy ! Component: 750 - total flux cleaned = 0.000823697 Jy ! Component: 800 - total flux cleaned = 0.000773315 Jy ! Component: 850 - total flux cleaned = 0.000723293 Jy ! Component: 900 - total flux cleaned = 0.000625995 Jy ! Component: 950 - total flux cleaned = 0.000562349 Jy ! Component: 1000 - total flux cleaned = 0.00046942 Jy ! Component: 1050 - total flux cleaned = 0.000393363 Jy ! Component: 1100 - total flux cleaned = 0.00036343 Jy ! Component: 1150 - total flux cleaned = 0.00027464 Jy ! Component: 1200 - total flux cleaned = 0.000172898 Jy ! Component: 1250 - total flux cleaned = 0.000101213 Jy ! Component: 1300 - total flux cleaned = 3.05988e-05 Jy ! Component: 1350 - total flux cleaned = -5.28095e-05 Jy ! Component: 1400 - total flux cleaned = -6.68161e-05 Jy ! Component: 1450 - total flux cleaned = -0.000174913 Jy ! Component: 1500 - total flux cleaned = -0.00024153 Jy ! Component: 1550 - total flux cleaned = -0.000267738 Jy ! Component: 1600 - total flux cleaned = -0.00033274 Jy ! Component: 1650 - total flux cleaned = -0.000383853 Jy ! Component: 1700 - total flux cleaned = -0.000358313 Jy ! Component: 1750 - total flux cleaned = -0.000446467 Jy ! Component: 1800 - total flux cleaned = -0.000471352 Jy ! Component: 1850 - total flux cleaned = -0.000483631 Jy ! Component: 1900 - total flux cleaned = -0.00054441 Jy ! Component: 1950 - total flux cleaned = -0.00056827 Jy ! Component: 2000 - total flux cleaned = -0.00054438 Jy ! Component: 2050 - total flux cleaned = -0.000579989 Jy ! Component: 2100 - total flux cleaned = -0.000627077 Jy ! Component: 2150 - total flux cleaned = -0.000638799 Jy ! Component: 2200 - total flux cleaned = -0.000684812 Jy ! Component: 2250 - total flux cleaned = -0.000696163 Jy ! Component: 2300 - total flux cleaned = -0.000730138 Jy ! Component: 2350 - total flux cleaned = -0.000752581 Jy ! Component: 2400 - total flux cleaned = -0.000774883 Jy ! Component: 2450 - total flux cleaned = -0.000774974 Jy ! Component: 2500 - total flux cleaned = -0.000840571 Jy ! Component: 2550 - total flux cleaned = -0.000851439 Jy ! Component: 2600 - total flux cleaned = -0.000862231 Jy ! Component: 2650 - total flux cleaned = -0.000851676 Jy ! Component: 2700 - total flux cleaned = -0.000915279 Jy ! Component: 2750 - total flux cleaned = -0.000894153 Jy ! Component: 2800 - total flux cleaned = -0.000935866 Jy ! Component: 2850 - total flux cleaned = -0.000956487 Jy ! Component: 2900 - total flux cleaned = -0.000946203 Jy ! Component: 2950 - total flux cleaned = -0.00097692 Jy ! Component: 3000 - total flux cleaned = -0.000997354 Jy ! Component: 3050 - total flux cleaned = -0.00105808 Jy ! Component: 3100 - total flux cleaned = -0.00106813 Jy ! Component: 3150 - total flux cleaned = -0.00112817 Jy ! Component: 3200 - total flux cleaned = -0.0011779 Jy ! Component: 3250 - total flux cleaned = -0.0012372 Jy ! Component: 3300 - total flux cleaned = -0.00130614 Jy ! Component: 3350 - total flux cleaned = -0.00137464 Jy ! Component: 3400 - total flux cleaned = -0.00142332 Jy ! Component: 3450 - total flux cleaned = -0.00147186 Jy ! Component: 3500 - total flux cleaned = -0.00153943 Jy ! Component: 3550 - total flux cleaned = -0.00156818 Jy ! Component: 3600 - total flux cleaned = -0.00162558 Jy ! Component: 3650 - total flux cleaned = -0.00167314 Jy ! Component: 3700 - total flux cleaned = -0.00171104 Jy ! Component: 3750 - total flux cleaned = -0.00177703 Jy ! Component: 3800 - total flux cleaned = -0.00182403 Jy ! Component: 3850 - total flux cleaned = -0.00188008 Jy ! Component: 3900 - total flux cleaned = -0.00191729 Jy ! Component: 3950 - total flux cleaned = -0.00198212 Jy ! Component: 4000 - total flux cleaned = -0.00205601 Jy ! Component: 4050 - total flux cleaned = -0.0021387 Jy ! Total flux subtracted in 4096 components = -0.0021571 Jy ! Clean residual min=-0.000629 max=0.000511 Jy/beam ! Clean residual mean=0.000001 rms=0.000150 Jy/beam ! Combined flux in latest and established models = 0.0847803 Jy keep ! Adding 256 model components to the UV plane model. ! The established model now contains 344 components and 0.0847804 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1920-3831_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7349 x 1.945 at -6.218 degrees (North through East) ! Clean map min=-0.00095662 max=0.049614 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1920-3831_X_map.fits wmodel /image_prod/ug002_uva//J1920-3831_X_map.mod ! Writing 344 model components to file: /image_prod/ug002_uva//J1920-3831_X_map.mod wobs /image_prod/ug002_uva//J1920-3831_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1920-3831_X_uvs.fits wwins /image_prod/ug002_uva//J1920-3831_X_map.win ! wwins: Wrote 4 windows to /image_prod/ug002_uva//J1920-3831_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0496139 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000147639 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.892726 0.892726 1.78545 3.5709 7.14181 14.2836 28.5672 57.1344 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.049 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 336.049 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1920-3831_X_dfm.log closed on Thu Mar 5 04:08:13 2020