! Started logfile: /image_prod/ug002_uva//J2253+1942_X_b_dfm.log on Thu Mar 5 05:56:40 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//J2253+1942_X_b_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2253+1942_X_b_uva.fits ! AN table 1: 21 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.541005 visibilities/baseline/integration-bin. ! Found source: J2253+1942 ! ! 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 4908 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 J2253+1942_X_b] 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=1.029253Jy sigma=11.160484 ! Fit after self-cal, rms=0.770964Jy sigma=8.291685 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.015 mas, bmaj=3.148 mas, bpa=-28.83 degrees ! Estimated noise=1.98089 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 = 0.171075 Jy ! Component: 100 - total flux cleaned = 0.219185 Jy ! Total flux subtracted in 100 components = 0.219185 Jy ! Clean residual min=-0.009500 max=0.018348 Jy/beam ! Clean residual mean=-0.000022 rms=0.003056 Jy/beam ! Combined flux in latest and established models = 0.219185 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.219185 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=0.072030Jy sigma=0.662100 ! Fit after self-cal, rms=0.072066Jy sigma=0.661887 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0188065 Jy ! Component: 100 - total flux cleaned = 0.0300886 Jy ! Total flux subtracted in 100 components = 0.0300886 Jy ! Clean residual min=-0.007658 max=0.010031 Jy/beam ! Clean residual mean=-0.000016 rms=0.002112 Jy/beam ! Combined flux in latest and established models = 0.249274 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 30 components and 0.249274 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=0.065211Jy sigma=0.567100 ! Fit after self-cal, rms=0.065229Jy sigma=0.566667 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.632 mas, bmaj=3.705 mas, bpa=-26.54 degrees ! Estimated noise=0.993812 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 = 0.0109254 Jy ! Component: 100 - total flux cleaned = 0.0169802 Jy ! Component: 150 - total flux cleaned = 0.0206484 Jy ! Component: 200 - total flux cleaned = 0.0229257 Jy ! Total flux subtracted in 200 components = 0.0229257 Jy ! Clean residual min=-0.006177 max=0.006867 Jy/beam ! Clean residual mean=-0.000023 rms=0.001616 Jy/beam ! Combined flux in latest and established models = 0.272199 Jy ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 58 components and 0.272199 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=0.063590Jy sigma=0.540281 ! Fit after self-cal, rms=0.063609Jy sigma=0.540214 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.632 x 3.705 at -26.54 degrees (North through East) ! Clean map min=-0.0060686 max=0.23205 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.04 HN 0.99 KP 1.08 ! LA 0.98 MK 1.01 NL 1.02 OV 0.96 ! PT 0.92 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.04 HN 0.91 KP 1.06 ! LA 1.01 MK 1.11 NL 1.02 OV 0.97 ! PT 0.90 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.04 HN 0.98 KP 1.06 ! LA 1.03 MK 1.08 NL 1.05 OV 0.98 ! PT 0.89 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.02 HN 0.98 KP 1.07 ! LA 1.01 MK 0.96 NL 1.03 OV 0.97 ! PT 0.91 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 1.01 KP 1.04 ! LA 0.99 MK 1.02 NL 1.02 OV 0.97 ! PT 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 0.93 KP 1.07 ! LA 1.01 MK 1.00 NL 1.05 OV 0.96 ! PT 0.89 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.95 KP 1.05 ! LA 1.03 MK 0.92 NL 1.07 OV 0.93 ! PT 0.91 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.03 HN 0.92 KP 1.05 ! LA 1.02 MK 1.18 NL 1.04 OV 0.96 ! PT 0.91 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.02 HN 1.01 KP 1.04 ! LA 1.01 MK 1.02 NL 1.02 OV 0.98 ! PT 0.92 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.02 HN 0.92 KP 1.04 ! LA 0.98 MK 0.97 NL 1.07 OV 0.97 ! PT 0.90 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 0.96 KP 1.06 ! LA 1.00 MK 1.21 NL 1.01 OV 0.94 ! PT 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 1.00 KP 1.08 ! LA 1.03 MK 1.01 NL 0.99 OV 0.92 ! PT 1.14 ! ! ! Fit before self-cal, rms=0.063609Jy sigma=0.540214 ! Fit after self-cal, rms=0.061580Jy sigma=0.508550 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.649 mas, bmaj=3.688 mas, bpa=-26.51 degrees ! Estimated noise=0.994766 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 = -0.000499026 Jy ! Component: 100 - total flux cleaned = -0.000578591 Jy ! Component: 150 - total flux cleaned = -0.000635963 Jy ! Component: 200 - total flux cleaned = -0.000637063 Jy ! Total flux subtracted in 200 components = -0.000637063 Jy ! Clean residual min=-0.003966 max=0.002749 Jy/beam ! Clean residual mean=-0.000000 rms=0.000784 Jy/beam ! Combined flux in latest and established models = 0.271562 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 72 components and 0.271562 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=0.061381Jy sigma=0.506966 ! Fit after self-cal, rms=0.061402Jy sigma=0.506850 ! 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=0.061402Jy sigma=0.506850 ! Fit after self-cal, rms=0.060882Jy sigma=0.500721 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.655 mas, bmaj=3.692 mas, bpa=-26.51 degrees ! Estimated noise=0.998027 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00123388 Jy ! Component: 100 - total flux cleaned = -0.00119205 Jy ! Component: 150 - total flux cleaned = -0.00111244 Jy ! Component: 200 - total flux cleaned = -0.00107748 Jy ! Total flux subtracted in 200 components = -0.00107748 Jy ! Clean residual min=-0.002642 max=0.002539 Jy/beam ! Clean residual mean=0.000004 rms=0.000635 Jy/beam ! Combined flux in latest and established models = 0.270485 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 81 components and 0.270485 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=0.060767Jy sigma=0.500042 ! Fit after self-cal, rms=0.060776Jy sigma=0.500006 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 = -7.50117e-05 Jy ! Component: 100 - total flux cleaned = -4.30769e-05 Jy ! Component: 150 - total flux cleaned = -4.25187e-05 Jy ! Component: 200 - total flux cleaned = -4.24793e-05 Jy ! Total flux subtracted in 200 components = -4.24793e-05 Jy ! Clean residual min=-0.002625 max=0.002518 Jy/beam ! Clean residual mean=0.000004 rms=0.000627 Jy/beam ! Combined flux in latest and established models = 0.270442 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 84 components and 0.270442 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=0.060733Jy sigma=0.499785 ! Fit after self-cal, rms=0.060729Jy sigma=0.499773 ! 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=0.060729Jy sigma=0.499773 ! Fit after self-cal, rms=0.060380Jy sigma=0.499378 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.655 mas, bmaj=3.683 mas, bpa=-26.5 degrees ! Estimated noise=0.999058 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000825842 Jy ! Component: 100 - total flux cleaned = -0.000786547 Jy ! Component: 150 - total flux cleaned = -0.000719273 Jy ! Component: 200 - total flux cleaned = -0.000661657 Jy ! Total flux subtracted in 200 components = -0.000661657 Jy ! Clean residual min=-0.002371 max=0.002460 Jy/beam ! Clean residual mean=0.000004 rms=0.000582 Jy/beam ! Combined flux in latest and established models = 0.269781 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 89 components and 0.269781 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=0.060300Jy sigma=0.498960 ! Fit after self-cal, rms=0.060293Jy sigma=0.498954 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -2.69381e-05 Jy ! Component: 100 - total flux cleaned = 8.24893e-07 Jy ! Component: 150 - total flux cleaned = 9.25935e-07 Jy ! Component: 200 - total flux cleaned = -2.2359e-05 Jy ! Total flux subtracted in 200 components = -2.2359e-05 Jy ! Clean residual min=-0.002354 max=0.002437 Jy/beam ! Clean residual mean=0.000004 rms=0.000577 Jy/beam ! Combined flux in latest and established models = 0.269758 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 90 components and 0.269758 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=0.060261Jy sigma=0.498799 ! Fit after self-cal, rms=0.060260Jy sigma=0.498794 ! 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=0.060260Jy sigma=0.498794 ! Fit after self-cal, rms=0.059972Jy sigma=0.498503 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.858 mas, bmaj=4.065 mas, bpa=-17.93 degrees ! Estimated noise=1.01326 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000333459 Jy ! Component: 100 - total flux cleaned = -0.00036118 Jy ! Component: 150 - total flux cleaned = -0.000379768 Jy ! Component: 200 - total flux cleaned = -0.00037825 Jy ! Total flux subtracted in 200 components = -0.00037825 Jy ! Clean residual min=-0.002010 max=0.002057 Jy/beam ! Clean residual mean=0.000005 rms=0.000547 Jy/beam ! Combined flux in latest and established models = 0.26938 Jy selfcal ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 94 components and 0.26938 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=0.059935Jy sigma=0.498238 ! Fit after self-cal, rms=0.059930Jy sigma=0.498230 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.07874e-05 Jy ! Component: 100 - total flux cleaned = -3.01034e-06 Jy ! Component: 150 - total flux cleaned = -2.67874e-06 Jy ! Component: 200 - total flux cleaned = -1.36134e-05 Jy ! Total flux subtracted in 200 components = -1.36134e-05 Jy ! Clean residual min=-0.002000 max=0.002059 Jy/beam ! Clean residual mean=0.000005 rms=0.000546 Jy/beam ! Combined flux in latest and established models = 0.269366 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 99 components and 0.269366 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=0.059920Jy sigma=0.498165 ! Fit after self-cal, rms=0.059919Jy sigma=0.498161 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.656 mas, bmaj=3.674 mas, bpa=-26.49 degrees ! Estimated noise=0.999934 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.656 x 3.674 at -26.49 degrees (North through East) ! Clean map min=-0.0020651 max=0.23446 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.028 mas, bmaj=3.13 mas, bpa=-28.83 degrees ! Estimated noise=1.99235 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.171814 Jy ! Component: 100 - total flux cleaned = 0.219266 Jy ! Component: 150 - total flux cleaned = 0.237618 Jy ! Component: 200 - total flux cleaned = 0.24736 Jy ! Total flux subtracted in 200 components = 0.24736 Jy ! Clean residual min=-0.004495 max=0.005156 Jy/beam ! Clean residual mean=-0.000002 rms=0.001227 Jy/beam ! Combined flux in latest and established models = 0.24736 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 29 model components to the UV plane model. ! The established model now contains 29 components and 0.24736 Jy ! Inverting map and beam ! Estimated beam: bmin=1.656 mas, bmaj=3.674 mas, bpa=-26.49 degrees ! Estimated noise=0.999934 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 = 0.00869156 Jy ! Component: 100 - total flux cleaned = 0.013472 Jy ! Component: 150 - total flux cleaned = 0.0164711 Jy ! Component: 200 - total flux cleaned = 0.0183975 Jy ! Total flux subtracted in 200 components = 0.0183975 Jy ! Clean residual min=-0.002242 max=0.002469 Jy/beam ! Clean residual mean=0.000002 rms=0.000619 Jy/beam ! Combined flux in latest and established models = 0.265757 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 65 components and 0.265757 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=2.858 mas, bmaj=4.065 mas, bpa=-17.93 degrees ! Estimated noise=1.01326 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00150221 Jy ! Component: 100 - total flux cleaned = 0.00231269 Jy ! Component: 150 - total flux cleaned = 0.00255827 Jy ! Component: 200 - total flux cleaned = 0.00269392 Jy ! Total flux subtracted in 200 components = 0.00269392 Jy ! Clean residual min=-0.001896 max=0.002272 Jy/beam ! Clean residual mean=0.000004 rms=0.000566 Jy/beam ! Combined flux in latest and established models = 0.268451 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000122359 Jy ! Component: 100 - total flux cleaned = 0.000231604 Jy ! Component: 150 - total flux cleaned = 0.000289947 Jy ! Component: 200 - total flux cleaned = 0.00031795 Jy ! Total flux subtracted in 200 components = 0.00031795 Jy ! Clean residual min=-0.001882 max=0.002246 Jy/beam ! Clean residual mean=0.000005 rms=0.000563 Jy/beam ! Combined flux in latest and established models = 0.268769 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 83 components and 0.268769 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.656 mas, bmaj=3.674 mas, bpa=-26.49 degrees ! Estimated noise=0.999934 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -8.62462e-05 Jy ! Component: 100 - total flux cleaned = -0.000141303 Jy ! Component: 150 - total flux cleaned = -0.000215071 Jy ! Component: 200 - total flux cleaned = -0.000238749 Jy ! Total flux subtracted in 200 components = -0.000238749 Jy ! Clean residual min=-0.002014 max=0.002542 Jy/beam ! Clean residual mean=0.000004 rms=0.000563 Jy/beam ! Combined flux in latest and established models = 0.26853 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 90 components and 0.26853 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=0.059917Jy sigma=0.498558 ! Fit after self-cal, rms=0.059906Jy sigma=0.498524 wmodel J2253+1942_X_b_map.mod ! Writing 90 model components to file: J2253+1942_X_b_map.mod wobs J2253+1942_X_b_uvs.fits ! Writing UV FITS file: J2253+1942_X_b_uvs.fits wwins J2253+1942_X_b_map.win ! wwins: Wrote 1 windows to J2253+1942_X_b_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 = 0.000687033 Jy ! Component: 100 - total flux cleaned = 0.000759472 Jy ! Component: 150 - total flux cleaned = 0.000759244 Jy ! Component: 200 - total flux cleaned = 0.000759281 Jy ! Component: 250 - total flux cleaned = 0.000698738 Jy ! Component: 300 - total flux cleaned = 0.000612455 Jy ! Component: 350 - total flux cleaned = 0.00055724 Jy ! Component: 400 - total flux cleaned = 0.000477505 Jy ! Component: 450 - total flux cleaned = 0.000425803 Jy ! Component: 500 - total flux cleaned = 0.000425117 Jy ! Component: 550 - total flux cleaned = 0.000376872 Jy ! Component: 600 - total flux cleaned = 0.00039955 Jy ! Component: 650 - total flux cleaned = 0.000376979 Jy ! Component: 700 - total flux cleaned = 0.000376964 Jy ! Component: 750 - total flux cleaned = 0.000376895 Jy ! Component: 800 - total flux cleaned = 0.00039793 Jy ! Component: 850 - total flux cleaned = 0.000377956 Jy ! Component: 900 - total flux cleaned = 0.000437813 Jy ! Component: 950 - total flux cleaned = 0.00043768 Jy ! Component: 1000 - total flux cleaned = 0.000380412 Jy ! Component: 1050 - total flux cleaned = 0.000323937 Jy ! Component: 1100 - total flux cleaned = 0.000305 Jy ! Component: 1150 - total flux cleaned = 0.00017743 Jy ! Component: 1200 - total flux cleaned = 0.000105856 Jy ! Component: 1250 - total flux cleaned = 8.81276e-05 Jy ! Component: 1300 - total flux cleaned = 5.32871e-05 Jy ! Component: 1350 - total flux cleaned = 1.86166e-06 Jy ! Component: 1400 - total flux cleaned = -1.49445e-05 Jy ! Component: 1450 - total flux cleaned = 1.82313e-06 Jy ! Component: 1500 - total flux cleaned = 1.80202e-06 Jy ! Component: 1550 - total flux cleaned = 1.8177e-06 Jy ! Component: 1600 - total flux cleaned = 1.85277e-06 Jy ! Component: 1650 - total flux cleaned = -4.5844e-05 Jy ! Component: 1700 - total flux cleaned = -4.57772e-05 Jy ! Component: 1750 - total flux cleaned = -1.47459e-05 Jy ! Component: 1800 - total flux cleaned = -3.01826e-05 Jy ! Component: 1850 - total flux cleaned = -3.0336e-05 Jy ! Component: 1900 - total flux cleaned = -1.52713e-05 Jy ! Component: 1950 - total flux cleaned = 2.95182e-05 Jy ! Component: 2000 - total flux cleaned = -1.33823e-08 Jy ! Component: 2050 - total flux cleaned = 7.31434e-05 Jy ! Component: 2100 - total flux cleaned = 0.000101952 Jy ! Component: 2150 - total flux cleaned = 0.000101953 Jy ! Component: 2200 - total flux cleaned = 7.3516e-05 Jy ! Component: 2250 - total flux cleaned = 0.00010185 Jy ! Component: 2300 - total flux cleaned = 8.79773e-05 Jy ! Component: 2350 - total flux cleaned = 7.42073e-05 Jy ! Component: 2400 - total flux cleaned = 7.42044e-05 Jy ! Component: 2450 - total flux cleaned = 6.04514e-05 Jy ! Component: 2500 - total flux cleaned = 1.97349e-05 Jy ! Component: 2550 - total flux cleaned = 1.98426e-05 Jy ! Component: 2600 - total flux cleaned = 4.67508e-05 Jy ! Component: 2650 - total flux cleaned = 9.98009e-05 Jy ! Component: 2700 - total flux cleaned = 8.65066e-05 Jy ! Component: 2750 - total flux cleaned = 8.64845e-05 Jy ! Component: 2800 - total flux cleaned = 9.95172e-05 Jy ! Component: 2850 - total flux cleaned = 0.00011242 Jy ! Component: 2900 - total flux cleaned = 0.000125289 Jy ! Component: 2950 - total flux cleaned = 0.000137962 Jy ! Component: 3000 - total flux cleaned = 0.000150605 Jy ! Component: 3050 - total flux cleaned = 0.000150621 Jy ! Component: 3100 - total flux cleaned = 0.000200665 Jy ! Component: 3150 - total flux cleaned = 0.000200528 Jy ! Component: 3200 - total flux cleaned = 0.000237505 Jy ! Component: 3250 - total flux cleaned = 0.000249787 Jy ! Component: 3300 - total flux cleaned = 0.000286441 Jy ! Component: 3350 - total flux cleaned = 0.000286456 Jy ! Component: 3400 - total flux cleaned = 0.000334873 Jy ! Component: 3450 - total flux cleaned = 0.000334932 Jy ! Component: 3500 - total flux cleaned = 0.000394606 Jy ! Component: 3550 - total flux cleaned = 0.000430191 Jy ! Component: 3600 - total flux cleaned = 0.000418401 Jy ! Component: 3650 - total flux cleaned = 0.000477207 Jy ! Component: 3700 - total flux cleaned = 0.000512245 Jy ! Component: 3750 - total flux cleaned = 0.000535529 Jy ! Component: 3800 - total flux cleaned = 0.000581919 Jy ! Component: 3850 - total flux cleaned = 0.000593497 Jy ! Component: 3900 - total flux cleaned = 0.000650887 Jy ! Component: 3950 - total flux cleaned = 0.000662267 Jy ! Component: 4000 - total flux cleaned = 0.000753321 Jy ! Component: 4050 - total flux cleaned = 0.000764496 Jy ! Total flux subtracted in 4096 components = 0.000798256 Jy ! Clean residual min=-0.000657 max=0.000718 Jy/beam ! Clean residual mean=0.000001 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.269329 Jy keep ! Adding 217 model components to the UV plane model. ! The established model now contains 307 components and 0.269328 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2253+1942_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.656 x 3.674 at -26.49 degrees (North through East) ! Clean map min=-0.0012588 max=0.23403 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2253+1942_X_b_map.fits wmodel /image_prod/ug002_uva//J2253+1942_X_b_map.mod ! Writing 307 model components to file: /image_prod/ug002_uva//J2253+1942_X_b_map.mod wobs /image_prod/ug002_uva//J2253+1942_X_b_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2253+1942_X_b_uvs.fits wwins /image_prod/ug002_uva//J2253+1942_X_b_map.win ! wwins: Wrote 2 windows to /image_prod/ug002_uva//J2253+1942_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.23403 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00018933 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.242699 0.242699 0.485398 0.970797 1.94159 3.88319 7.76637 15.5327 31.0655 62.131 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.234 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1236.1 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2253+1942_X_b_dfm.log closed on Thu Mar 5 05:56:44 2020