! Started logfile: /image_prod/ug002_uva//J0237+2046_X_dfm.log on Wed Mar 4 19:36:52 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//J0237+2046_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J0237+2046_X_uva.fits ! AN table 1: 75 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.856667 visibilities/baseline/integration-bin. ! Found source: J0237+2046 ! ! 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 27756 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 J0237+2046_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. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002795Jy sigma=9.300358 ! Fit after self-cal, rms=0.942284Jy sigma=8.724922 ! 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=0.6908 mas, bmaj=1.493 mas, bpa=-1.51 degrees ! Estimated noise=1.06571 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 = 0.0432589 Jy ! Component: 100 - total flux cleaned = 0.0549629 Jy ! Total flux subtracted in 100 components = 0.0549629 Jy ! Clean residual min=-0.002678 max=0.004824 Jy/beam ! Clean residual mean=0.000001 rms=0.000640 Jy/beam ! Combined flux in latest and established models = 0.0549629 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0549629 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=0.053323Jy sigma=0.462344 ! Fit after self-cal, rms=0.052683Jy sigma=0.455924 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00534735 Jy ! Component: 100 - total flux cleaned = 0.00820254 Jy ! Total flux subtracted in 100 components = 0.00820254 Jy ! Clean residual min=-0.002387 max=0.002571 Jy/beam ! Clean residual mean=0.000001 rms=0.000566 Jy/beam ! Combined flux in latest and established models = 0.0631654 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 12 components and 0.0631654 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=0.051963Jy sigma=0.447940 ! Fit after self-cal, rms=0.051986Jy sigma=0.447882 ! 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=0.8721 mas, bmaj=1.814 mas, bpa=-0.6338 degrees ! Estimated noise=0.468372 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 = 0.00320902 Jy ! Component: 100 - total flux cleaned = 0.00463712 Jy ! Component: 150 - total flux cleaned = 0.00504741 Jy ! Component: 200 - total flux cleaned = 0.00514642 Jy ! Total flux subtracted in 200 components = 0.00514642 Jy ! Clean residual min=-0.001722 max=0.002059 Jy/beam ! Clean residual mean=-0.000002 rms=0.000388 Jy/beam ! Combined flux in latest and established models = 0.0683119 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 22 components and 0.0683119 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=0.051808Jy sigma=0.446126 ! Fit after self-cal, rms=0.051815Jy sigma=0.446080 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8721 x 1.814 at -0.6338 degrees (North through East) ! Clean map min=-0.0015361 max=0.059631 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.07 HN 0.93 KP 1.09 ! LA 1.00 MK 1.19 OV 0.90 PT 0.91 ! SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.04 HN 0.88 KP 1.10 ! LA 1.01 MK 1.08 OV 0.94 PT 0.94 ! SC 1.06 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.88 KP 1.13 ! LA 1.03 MK 1.10 OV 0.94 PT 0.97 ! SC 1.07 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.89 KP 1.06 ! LA 1.04 MK 1.09 OV 0.92 PT 0.97 ! SC 1.04 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 0.89 KP 1.13 ! LA 1.01 MK 1.13 OV 0.94 PT 0.94 ! SC 1.05 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.05 HN 0.90 KP 1.09 ! LA 1.03 MK 1.09 OV 0.90 PT 0.98 ! SC 1.08 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 0.89 KP 1.11 ! LA 1.02 MK 1.07 OV 0.94 PT 0.96 ! SC 1.05 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 0.94 KP 1.10 ! LA 1.07 MK 1.08 OV 0.94 PT 0.96 ! SC 1.04 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HN 0.94 KP 1.03 ! LA 1.03 MK 1.02 OV 0.92 PT 0.98 ! SC 1.04 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.01 HN 0.95 KP 1.10 ! LA 1.02 MK 1.05 OV 0.95 PT 0.98 ! SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.05 HN 0.93 KP 1.08 ! LA 0.99 MK 1.02 OV 0.93 PT 0.96 ! SC 1.01 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 0.86 KP 1.03 ! LA 1.04 MK 1.00 OV 0.97 PT 0.94 ! SC 1.07 ! ! ! Fit before self-cal, rms=0.051815Jy sigma=0.446080 ! Fit after self-cal, rms=0.051705Jy sigma=0.443395 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8833 mas, bmaj=1.82 mas, bpa=-0.8421 degrees ! Estimated noise=0.467123 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.97219e-05 Jy ! Component: 100 - total flux cleaned = -0.000131321 Jy ! Component: 150 - total flux cleaned = -0.000130557 Jy ! Component: 200 - total flux cleaned = -0.000141948 Jy ! Total flux subtracted in 200 components = -0.000141948 Jy ! Clean residual min=-0.001005 max=0.001287 Jy/beam ! Clean residual mean=-0.000001 rms=0.000266 Jy/beam ! Combined flux in latest and established models = 0.0681699 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 29 components and 0.0681699 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=0.051694Jy sigma=0.443314 ! Fit after self-cal, rms=0.051709Jy sigma=0.443167 ! 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=0.051709Jy sigma=0.443167 ! Fit after self-cal, rms=0.051830Jy sigma=0.441780 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.885 mas, bmaj=1.828 mas, bpa=-0.491 degrees ! Estimated noise=0.466907 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.30718e-05 Jy ! Component: 100 - total flux cleaned = -1.1152e-05 Jy ! Component: 150 - total flux cleaned = -7.02375e-05 Jy ! Component: 200 - total flux cleaned = -7.86008e-05 Jy ! Total flux subtracted in 200 components = -7.86008e-05 Jy ! Clean residual min=-0.000844 max=0.001084 Jy/beam ! Clean residual mean=-0.000000 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0680913 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 35 components and 0.0680913 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=0.051823Jy sigma=0.441748 ! Fit after self-cal, rms=0.051836Jy sigma=0.441688 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 (-1.8, -7.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0011679 Jy ! Component: 100 - total flux cleaned = 0.00175061 Jy ! Component: 150 - total flux cleaned = 0.00197569 Jy ! Component: 200 - total flux cleaned = 0.00215397 Jy ! Total flux subtracted in 200 components = 0.00215397 Jy ! Clean residual min=-0.000827 max=0.000822 Jy/beam ! Clean residual mean=0.000000 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.0702453 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 54 components and 0.0702453 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=0.051809Jy sigma=0.441395 ! Fit after self-cal, rms=0.051802Jy sigma=0.441368 ! Inverting map ! Added new window around map position (-9.2, -0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00050812 Jy ! Component: 100 - total flux cleaned = 0.00063022 Jy ! Component: 150 - total flux cleaned = 0.000749135 Jy ! Component: 200 - total flux cleaned = 0.000800668 Jy ! Total flux subtracted in 200 components = 0.000800668 Jy ! Clean residual min=-0.000804 max=0.000811 Jy/beam ! Clean residual mean=0.000000 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.0710459 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 71 components and 0.071046 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=0.051788Jy sigma=0.441244 ! Fit after self-cal, rms=0.051788Jy sigma=0.441235 ! 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=0.051788Jy sigma=0.441235 ! Fit after self-cal, rms=0.051690Jy sigma=0.441205 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8856 mas, bmaj=1.829 mas, bpa=-0.5697 degrees ! Estimated noise=0.465143 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000211798 Jy ! Component: 100 - total flux cleaned = 0.000225356 Jy ! Component: 150 - total flux cleaned = 0.000225421 Jy ! Component: 200 - total flux cleaned = 0.000235655 Jy ! Total flux subtracted in 200 components = 0.000235655 Jy ! Clean residual min=-0.000766 max=0.000778 Jy/beam ! Clean residual mean=0.000000 rms=0.000187 Jy/beam ! Combined flux in latest and established models = 0.0712816 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 80 components and 0.0712816 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=0.051684Jy sigma=0.441160 ! Fit after self-cal, rms=0.051687Jy sigma=0.441158 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.25924e-05 Jy ! Component: 100 - total flux cleaned = 4.25896e-05 Jy ! Component: 150 - total flux cleaned = 4.29243e-05 Jy ! Component: 200 - total flux cleaned = 6.85261e-05 Jy ! Total flux subtracted in 200 components = 6.85261e-05 Jy ! Clean residual min=-0.000752 max=0.000779 Jy/beam ! Clean residual mean=0.000000 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.0713501 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 88 components and 0.0713501 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=0.051684Jy sigma=0.441132 ! Fit after self-cal, rms=0.051683Jy sigma=0.441132 ! 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=0.051683Jy sigma=0.441132 ! Fit after self-cal, rms=0.051679Jy sigma=0.441128 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.152 mas, bmaj=2.819 mas, bpa=8.671 degrees ! Estimated noise=0.57679 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000209509 Jy ! Component: 100 - total flux cleaned = 0.000219193 Jy ! Component: 150 - total flux cleaned = 0.000226591 Jy ! Component: 200 - total flux cleaned = 0.000233473 Jy ! Total flux subtracted in 200 components = 0.000233473 Jy ! Clean residual min=-0.000819 max=0.000786 Jy/beam ! Clean residual mean=-0.000001 rms=0.000217 Jy/beam ! Combined flux in latest and established models = 0.0715836 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 100 components and 0.0715836 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=0.051679Jy sigma=0.441118 ! Fit after self-cal, rms=0.051680Jy sigma=0.441115 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 = 7.99572e-05 Jy ! Component: 100 - total flux cleaned = 7.97644e-05 Jy ! Component: 150 - total flux cleaned = 7.9789e-05 Jy ! Component: 200 - total flux cleaned = 7.44261e-05 Jy ! Total flux subtracted in 200 components = 7.44261e-05 Jy ! Clean residual min=-0.000814 max=0.000783 Jy/beam ! Clean residual mean=-0.000001 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.071658 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 105 components and 0.071658 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=0.051680Jy sigma=0.441110 ! Fit after self-cal, rms=0.051680Jy sigma=0.441108 ! 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=0.8862 mas, bmaj=1.829 mas, bpa=-0.5876 degrees ! Estimated noise=0.464721 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8862 x 1.829 at -0.5876 degrees (North through East) ! Clean map min=-0.00072842 max=0.059098 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=0.7031 mas, bmaj=1.51 mas, bpa=-1.4 degrees ! Estimated noise=1.06256 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0431822 Jy ! Component: 100 - total flux cleaned = 0.0545982 Jy ! Component: 150 - total flux cleaned = 0.0596179 Jy ! Component: 200 - total flux cleaned = 0.0623053 Jy ! Total flux subtracted in 200 components = 0.0623053 Jy ! Clean residual min=-0.002301 max=0.002121 Jy/beam ! Clean residual mean=0.000001 rms=0.000530 Jy/beam ! Combined flux in latest and established models = 0.0623053 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0623053 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8862 mas, bmaj=1.829 mas, bpa=-0.5876 degrees ! Estimated noise=0.464721 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 = 0.00336094 Jy ! Component: 100 - total flux cleaned = 0.00502116 Jy ! Component: 150 - total flux cleaned = 0.00618256 Jy ! Component: 200 - total flux cleaned = 0.00700644 Jy ! Total flux subtracted in 200 components = 0.00700644 Jy ! Clean residual min=-0.000845 max=0.000920 Jy/beam ! Clean residual mean=0.000000 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.0693118 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 31 components and 0.0693118 Jy ! Inverting map ! Added new window around map position (-1.4, -2.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000757988 Jy ! Component: 100 - total flux cleaned = 0.00114025 Jy ! Component: 150 - total flux cleaned = 0.00140235 Jy ! Component: 200 - total flux cleaned = 0.00159442 Jy ! Total flux subtracted in 200 components = 0.00159442 Jy ! Clean residual min=-0.000797 max=0.000798 Jy/beam ! Clean residual mean=0.000000 rms=0.000187 Jy/beam ! Combined flux in latest and established models = 0.0709062 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 60 components and 0.0709062 Jy ! Inverting map ! Added new window around map position (19.2, -19.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000298284 Jy ! Component: 100 - total flux cleaned = 0.000426615 Jy ! Component: 150 - total flux cleaned = 0.000442404 Jy ! Component: 200 - total flux cleaned = 0.000441695 Jy ! Total flux subtracted in 200 components = 0.000441695 Jy ! Clean residual min=-0.000770 max=0.000743 Jy/beam ! Clean residual mean=0.000000 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.0713479 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 75 components and 0.0713479 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=2.152 mas, bmaj=2.819 mas, bpa=8.671 degrees ! Estimated noise=0.57679 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000160616 Jy ! Component: 100 - total flux cleaned = 0.000138024 Jy ! Component: 150 - total flux cleaned = 0.000137938 Jy ! Component: 200 - total flux cleaned = 0.000137858 Jy ! Total flux subtracted in 200 components = 0.000137858 Jy ! Clean residual min=-0.000821 max=0.000674 Jy/beam ! Clean residual mean=-0.000001 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.0714857 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -5.20031e-08 Jy ! Component: 100 - total flux cleaned = -2.5033e-07 Jy ! Component: 150 - total flux cleaned = -7.81132e-06 Jy ! Component: 200 - total flux cleaned = -7.82064e-06 Jy ! Total flux subtracted in 200 components = -7.82064e-06 Jy ! Clean residual min=-0.000823 max=0.000670 Jy/beam ! Clean residual mean=-0.000001 rms=0.000205 Jy/beam ! Combined flux in latest and established models = 0.0714779 Jy ! Adding 32 model components to the UV plane model. ! The established model now contains 107 components and 0.0714779 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8862 mas, bmaj=1.829 mas, bpa=-0.5876 degrees ! Estimated noise=0.464721 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00011353 Jy ! Component: 100 - total flux cleaned = -0.000181664 Jy ! Component: 150 - total flux cleaned = -0.000232032 Jy ! Component: 200 - total flux cleaned = -0.000243779 Jy ! Total flux subtracted in 200 components = -0.000243779 Jy ! Clean residual min=-0.000698 max=0.000746 Jy/beam ! Clean residual mean=-0.000000 rms=0.000174 Jy/beam ! Combined flux in latest and established models = 0.0712341 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 118 components and 0.0712341 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=0.051660Jy sigma=0.440976 ! Fit after self-cal, rms=0.051649Jy sigma=0.440941 wmodel J0237+2046_X_map.mod ! Writing 118 model components to file: J0237+2046_X_map.mod wobs J0237+2046_X_uvs.fits ! Writing UV FITS file: J0237+2046_X_uvs.fits wwins J0237+2046_X_map.win ! wwins: Wrote 5 windows to J0237+2046_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 = 0.000126007 Jy ! Component: 100 - total flux cleaned = 0.000253414 Jy ! Component: 150 - total flux cleaned = 0.00037546 Jy ! Component: 200 - total flux cleaned = 0.000399344 Jy ! Component: 250 - total flux cleaned = 0.000422686 Jy ! Component: 300 - total flux cleaned = 0.00044516 Jy ! Component: 350 - total flux cleaned = 0.000434164 Jy ! Component: 400 - total flux cleaned = 0.000488582 Jy ! Component: 450 - total flux cleaned = 0.000509867 Jy ! Component: 500 - total flux cleaned = 0.000530843 Jy ! Component: 550 - total flux cleaned = 0.000561749 Jy ! Component: 600 - total flux cleaned = 0.000592123 Jy ! Component: 650 - total flux cleaned = 0.000632225 Jy ! Component: 700 - total flux cleaned = 0.000701311 Jy ! Component: 750 - total flux cleaned = 0.00072065 Jy ! Component: 800 - total flux cleaned = 0.000768738 Jy ! Component: 850 - total flux cleaned = 0.000815887 Jy ! Component: 900 - total flux cleaned = 0.000862576 Jy ! Component: 950 - total flux cleaned = 0.000899418 Jy ! Component: 1000 - total flux cleaned = 0.000990699 Jy ! Component: 1050 - total flux cleaned = 0.000999738 Jy ! Component: 1100 - total flux cleaned = 0.00108021 Jy ! Component: 1150 - total flux cleaned = 0.00108891 Jy ! Component: 1200 - total flux cleaned = 0.00115037 Jy ! Component: 1250 - total flux cleaned = 0.00118532 Jy ! Component: 1300 - total flux cleaned = 0.00123694 Jy ! Component: 1350 - total flux cleaned = 0.00125416 Jy ! Component: 1400 - total flux cleaned = 0.00129638 Jy ! Component: 1450 - total flux cleaned = 0.00133837 Jy ! Component: 1500 - total flux cleaned = 0.00137167 Jy ! Component: 1550 - total flux cleaned = 0.00137996 Jy ! Component: 1600 - total flux cleaned = 0.00142908 Jy ! Component: 1650 - total flux cleaned = 0.00144531 Jy ! Component: 1700 - total flux cleaned = 0.00147758 Jy ! Component: 1750 - total flux cleaned = 0.00150147 Jy ! Component: 1800 - total flux cleaned = 0.00151734 Jy ! Component: 1850 - total flux cleaned = 0.00157242 Jy ! Component: 1900 - total flux cleaned = 0.00158803 Jy ! Component: 1950 - total flux cleaned = 0.00158802 Jy ! Component: 2000 - total flux cleaned = 0.00158807 Jy ! Component: 2050 - total flux cleaned = 0.00161107 Jy ! Component: 2100 - total flux cleaned = 0.00165669 Jy ! Component: 2150 - total flux cleaned = 0.00168681 Jy ! Component: 2200 - total flux cleaned = 0.00165677 Jy ! Component: 2250 - total flux cleaned = 0.00168651 Jy ! Component: 2300 - total flux cleaned = 0.00168647 Jy ! Component: 2350 - total flux cleaned = 0.00169381 Jy ! Component: 2400 - total flux cleaned = 0.00169383 Jy ! Component: 2450 - total flux cleaned = 0.00172292 Jy ! Component: 2500 - total flux cleaned = 0.0017085 Jy ! Component: 2550 - total flux cleaned = 0.00173712 Jy ! Component: 2600 - total flux cleaned = 0.00172287 Jy ! Component: 2650 - total flux cleaned = 0.00173 Jy ! Component: 2700 - total flux cleaned = 0.00175112 Jy ! Component: 2750 - total flux cleaned = 0.00173708 Jy ! Component: 2800 - total flux cleaned = 0.00177883 Jy ! Component: 2850 - total flux cleaned = 0.00178575 Jy ! Component: 2900 - total flux cleaned = 0.00181323 Jy ! Component: 2950 - total flux cleaned = 0.00181318 Jy ! Component: 3000 - total flux cleaned = 0.00180633 Jy ! Component: 3050 - total flux cleaned = 0.00183336 Jy ! Component: 3100 - total flux cleaned = 0.00184005 Jy ! Component: 3150 - total flux cleaned = 0.00184669 Jy ! Component: 3200 - total flux cleaned = 0.00186003 Jy ! Component: 3250 - total flux cleaned = 0.00182698 Jy ! Component: 3300 - total flux cleaned = 0.00182693 Jy ! Component: 3350 - total flux cleaned = 0.00179427 Jy ! Component: 3400 - total flux cleaned = 0.00183327 Jy ! Component: 3450 - total flux cleaned = 0.00179453 Jy ! Component: 3500 - total flux cleaned = 0.00180095 Jy ! Component: 3550 - total flux cleaned = 0.00181376 Jy ! Component: 3600 - total flux cleaned = 0.00180106 Jy ! Component: 3650 - total flux cleaned = 0.00180116 Jy ! Component: 3700 - total flux cleaned = 0.00180737 Jy ! Component: 3750 - total flux cleaned = 0.0017886 Jy ! Component: 3800 - total flux cleaned = 0.0017948 Jy ! Component: 3850 - total flux cleaned = 0.00178858 Jy ! Component: 3900 - total flux cleaned = 0.00180705 Jy ! Component: 3950 - total flux cleaned = 0.00181317 Jy ! Component: 4000 - total flux cleaned = 0.00178262 Jy ! Component: 4050 - total flux cleaned = 0.00177049 Jy ! Total flux subtracted in 4096 components = 0.00174627 Jy ! Clean residual min=-0.000422 max=0.000350 Jy/beam ! Clean residual mean=0.000000 rms=0.000101 Jy/beam ! Combined flux in latest and established models = 0.0729804 Jy keep ! Adding 283 model components to the UV plane model. ! The established model now contains 401 components and 0.0729805 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J0237+2046_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8862 x 1.829 at -0.5876 degrees (North through East) ! Clean map min=-0.00060029 max=0.059083 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J0237+2046_X_map.fits wmodel /image_prod/ug002_uva//J0237+2046_X_map.mod ! Writing 401 model components to file: /image_prod/ug002_uva//J0237+2046_X_map.mod wobs /image_prod/ug002_uva//J0237+2046_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J0237+2046_X_uvs.fits wwins /image_prod/ug002_uva//J0237+2046_X_map.win ! wwins: Wrote 6 windows to /image_prod/ug002_uva//J0237+2046_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0590825 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000100599 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.510803 0.510803 1.02161 2.04321 4.08643 8.17285 16.3457 32.6914 65.3828 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.059 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 587.31 quit ! Quitting program ! Log file /image_prod/ug002_uva//J0237+2046_X_dfm.log closed on Wed Mar 4 19:36:58 2020