! Started logfile: /vlbi/uf001/uva//J0457-0849_X_dfm.log on Sun Jan 13 22:23:24 2019 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 /vlbi/uf001/uva//J0457-0849_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0457-0849_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.989084 visibilities/baseline/integration-bin. ! Found source: J0457-0849 ! ! 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 30444 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 J0457-0849_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=1.005417Jy sigma=20.104382 ! Fit after self-cal, rms=0.925592Jy sigma=18.477170 ! 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=0.6366 mas, bmaj=1.682 mas, bpa=-2.446 degrees ! Estimated noise=0.366727 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 = 0.0522523 Jy ! Component: 100 - total flux cleaned = 0.0723647 Jy ! Total flux subtracted in 100 components = 0.0723647 Jy ! Clean residual min=-0.004713 max=0.014046 Jy/beam ! Clean residual mean=0.000011 rms=0.001264 Jy/beam ! Combined flux in latest and established models = 0.0723647 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0723647 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=0.090198Jy sigma=1.545241 ! Fit after self-cal, rms=0.089485Jy sigma=1.532768 ! Inverting map ! Added new window around map position (0.8, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0145344 Jy ! Component: 100 - total flux cleaned = 0.0236341 Jy ! Total flux subtracted in 100 components = 0.0236341 Jy ! Clean residual min=-0.003741 max=0.005665 Jy/beam ! Clean residual mean=0.000008 rms=0.000899 Jy/beam ! Combined flux in latest and established models = 0.0959988 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 25 components and 0.0959988 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=0.085828Jy sigma=1.428304 ! Fit after self-cal, rms=0.085655Jy sigma=1.425329 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00700822 Jy ! Component: 100 - total flux cleaned = 0.0116293 Jy ! Total flux subtracted in 100 components = 0.0116293 Jy ! Clean residual min=-0.003562 max=0.005200 Jy/beam ! Clean residual mean=0.000006 rms=0.000782 Jy/beam ! Combined flux in latest and established models = 0.107628 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 30 components and 0.107628 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=0.084758Jy sigma=1.394839 ! Fit after self-cal, rms=0.084706Jy sigma=1.394067 ! Inverting map ! Added new window around map position (-1.6, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00488266 Jy ! Component: 100 - total flux cleaned = 0.00814747 Jy ! Total flux subtracted in 100 components = 0.00814747 Jy ! Clean residual min=-0.003356 max=0.003965 Jy/beam ! Clean residual mean=0.000005 rms=0.000720 Jy/beam ! Combined flux in latest and established models = 0.115776 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 40 components and 0.115776 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=0.084297Jy sigma=1.380241 ! Fit after self-cal, rms=0.084280Jy sigma=1.379656 ! 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=0.7946 mas, bmaj=1.976 mas, bpa=-2.885 degrees ! Estimated noise=0.212352 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 = 0.00542995 Jy ! Component: 100 - total flux cleaned = 0.00923093 Jy ! Component: 150 - total flux cleaned = 0.0120787 Jy ! Component: 200 - total flux cleaned = 0.0142392 Jy ! Total flux subtracted in 200 components = 0.0142392 Jy ! Clean residual min=-0.003407 max=0.004510 Jy/beam ! Clean residual mean=0.000007 rms=0.000929 Jy/beam ! Combined flux in latest and established models = 0.130015 Jy ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 68 components and 0.130015 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=0.084006Jy sigma=1.365252 ! Fit after self-cal, rms=0.083978Jy sigma=1.364830 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7946 x 1.976 at -2.885 degrees (North through East) ! Clean map min=-0.0034072 max=0.075124 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.97 HN 0.95 KP 0.91 ! LA 0.91 MK 1.02 NL 1.07 OV 0.89 ! PT 1.02 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.96 HN 0.95 KP 0.93 ! LA 0.89 MK 1.04 NL 1.05 OV 0.92 ! PT 1.17 SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.94 HN 0.93 KP 0.91 ! LA 0.91 MK 1.09 NL 1.05 OV 0.91 ! PT 1.04 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.99 HN 0.96 KP 0.93 ! LA 0.87 MK 1.03 NL 1.04 OV 0.91 ! PT 1.01 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.98 HN 0.94 KP 0.94 ! LA 0.88 MK 1.03 NL 1.06 OV 0.91 ! PT 1.11 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.91 KP 0.94 ! LA 0.90 MK 1.12 NL 1.08 OV 0.90 ! PT 1.05 SC 0.92 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.98 HN 0.89 KP 0.96 ! LA 0.90 MK 1.06 NL 1.16 OV 0.92 ! PT 1.03 SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 0.96 HN 0.97 KP 0.95 ! LA 0.88 MK 1.08 NL 1.06 OV 0.96 ! PT 1.05 SC 1.04 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.03 HN 0.94 KP 0.96 ! LA 0.85 MK 1.07 NL 1.09 OV 0.93 ! PT 1.06 SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.99 HN 0.91 KP 0.91 ! LA 0.87 MK 1.07 NL 1.12 OV 0.90 ! PT 0.98 SC 1.02 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.01 HN 0.95 KP 1.00 ! LA 0.88 MK 0.88 NL 1.11 OV 0.93 ! PT 1.04 SC 1.03 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.02 HN 0.95 KP 0.96 ! LA 0.87 MK 0.86 NL 1.10 OV 0.95 ! PT 1.07 SC 0.95 ! ! ! Fit before self-cal, rms=0.083978Jy sigma=1.364830 ! Fit after self-cal, rms=0.082161Jy sigma=1.350048 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7997 mas, bmaj=2.007 mas, bpa=-2.645 degrees ! Estimated noise=0.206691 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 = -0.00134284 Jy ! Component: 100 - total flux cleaned = -0.00163501 Jy ! Component: 150 - total flux cleaned = -0.00176955 Jy ! Component: 200 - total flux cleaned = -0.00179248 Jy ! Total flux subtracted in 200 components = -0.00179248 Jy ! Clean residual min=-0.002454 max=0.003470 Jy/beam ! Clean residual mean=0.000007 rms=0.000757 Jy/beam ! Combined flux in latest and established models = 0.128222 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 77 components and 0.128222 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=0.082094Jy sigma=1.349903 ! Fit after self-cal, rms=0.082192Jy sigma=1.349413 ! 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=0.082192Jy sigma=1.349413 ! Fit after self-cal, rms=0.086433Jy sigma=1.333385 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8012 mas, bmaj=2.017 mas, bpa=-2.775 degrees ! Estimated noise=0.205743 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000935206 Jy ! Component: 100 - total flux cleaned = -0.0011434 Jy ! Component: 150 - total flux cleaned = -0.00118903 Jy ! Component: 200 - total flux cleaned = -0.00121599 Jy ! Total flux subtracted in 200 components = -0.00121599 Jy ! Clean residual min=-0.001707 max=0.001898 Jy/beam ! Clean residual mean=0.000003 rms=0.000475 Jy/beam ! Combined flux in latest and established models = 0.127006 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 87 components and 0.127006 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=0.086408Jy sigma=1.333336 ! Fit after self-cal, rms=0.086574Jy sigma=1.332993 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 = -0.000125176 Jy ! Component: 100 - total flux cleaned = -0.000135702 Jy ! Component: 150 - total flux cleaned = -0.000145352 Jy ! Component: 200 - total flux cleaned = -0.000136133 Jy ! Total flux subtracted in 200 components = -0.000136133 Jy ! Clean residual min=-0.001708 max=0.001900 Jy/beam ! Clean residual mean=0.000004 rms=0.000480 Jy/beam ! Combined flux in latest and established models = 0.12687 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 92 components and 0.12687 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=0.086569Jy sigma=1.332970 ! Fit after self-cal, rms=0.086569Jy sigma=1.332967 ! 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=0.086569Jy sigma=1.332967 ! Fit after self-cal, rms=0.101450Jy sigma=1.326500 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8007 mas, bmaj=2.024 mas, bpa=-2.886 degrees ! Estimated noise=0.206224 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000447097 Jy ! Component: 100 - total flux cleaned = 0.000504921 Jy ! Component: 150 - total flux cleaned = 0.000541844 Jy ! Component: 200 - total flux cleaned = 0.000564787 Jy ! Total flux subtracted in 200 components = 0.000564787 Jy ! Clean residual min=-0.001500 max=0.001788 Jy/beam ! Clean residual mean=0.000002 rms=0.000336 Jy/beam ! Combined flux in latest and established models = 0.127435 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 94 components and 0.127435 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=0.101444Jy sigma=1.326389 ! Fit after self-cal, rms=0.101692Jy sigma=1.326123 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 (32, -11). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00170357 Jy ! Component: 100 - total flux cleaned = 0.00254809 Jy ! Component: 150 - total flux cleaned = 0.0027974 Jy ! Component: 200 - total flux cleaned = 0.0029949 Jy ! Total flux subtracted in 200 components = 0.0029949 Jy ! Clean residual min=-0.001386 max=0.001265 Jy/beam ! Clean residual mean=0.000002 rms=0.000308 Jy/beam ! Combined flux in latest and established models = 0.13043 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 122 components and 0.13043 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=0.101659Jy sigma=1.325164 ! Fit after self-cal, rms=0.101667Jy sigma=1.325020 ! 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=0.101667Jy sigma=1.325020 ! Fit after self-cal, rms=0.103347Jy sigma=1.324854 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.057 mas, bmaj=3.679 mas, bpa=4.136 degrees ! Estimated noise=0.280864 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00140584 Jy ! Component: 100 - total flux cleaned = 0.00217631 Jy ! Component: 150 - total flux cleaned = 0.0026954 Jy ! Component: 200 - total flux cleaned = 0.00289985 Jy ! Total flux subtracted in 200 components = 0.00289985 Jy ! Clean residual min=-0.001625 max=0.001779 Jy/beam ! Clean residual mean=0.000005 rms=0.000439 Jy/beam ! Combined flux in latest and established models = 0.13333 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 133 components and 0.13333 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=0.103340Jy sigma=1.324626 ! Fit after self-cal, rms=0.103356Jy sigma=1.324531 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 = 0.000540388 Jy ! Component: 100 - total flux cleaned = 0.000756487 Jy ! Component: 150 - total flux cleaned = 0.000836162 Jy ! Component: 200 - total flux cleaned = 0.000904226 Jy ! Total flux subtracted in 200 components = 0.000904226 Jy ! Clean residual min=-0.001556 max=0.001820 Jy/beam ! Clean residual mean=0.000005 rms=0.000432 Jy/beam ! Combined flux in latest and established models = 0.134234 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 141 components and 0.134234 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=0.103357Jy sigma=1.324547 ! Fit after self-cal, rms=0.103362Jy sigma=1.324535 ! 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=0.8011 mas, bmaj=2.025 mas, bpa=-2.913 degrees ! Estimated noise=0.206568 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8011 x 2.025 at -2.913 degrees (North through East) ! Clean map min=-0.0012615 max=0.072218 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=0.6393 mas, bmaj=1.717 mas, bpa=-2.478 degrees ! Estimated noise=0.361438 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.051324 Jy ! Component: 100 - total flux cleaned = 0.0731704 Jy ! Component: 150 - total flux cleaned = 0.0867506 Jy ! Component: 200 - total flux cleaned = 0.0957785 Jy ! Total flux subtracted in 200 components = 0.0957785 Jy ! Clean residual min=-0.002935 max=0.004950 Jy/beam ! Clean residual mean=0.000006 rms=0.000707 Jy/beam ! Combined flux in latest and established models = 0.0957785 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 0.0957785 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8011 mas, bmaj=2.025 mas, bpa=-2.913 degrees ! Estimated noise=0.206568 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 = 0.0104241 Jy ! Component: 100 - total flux cleaned = 0.0168264 Jy ! Component: 150 - total flux cleaned = 0.0211563 Jy ! Component: 200 - total flux cleaned = 0.0243628 Jy ! Total flux subtracted in 200 components = 0.0243628 Jy ! Clean residual min=-0.001820 max=0.002240 Jy/beam ! Clean residual mean=0.000005 rms=0.000418 Jy/beam ! Combined flux in latest and established models = 0.120141 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 56 components and 0.120141 Jy ! Inverting map ! Added new window around map position (-0.8, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00258212 Jy ! Component: 100 - total flux cleaned = 0.00460205 Jy ! Component: 150 - total flux cleaned = 0.00623895 Jy ! Component: 200 - total flux cleaned = 0.00759341 Jy ! Total flux subtracted in 200 components = 0.00759341 Jy ! Clean residual min=-0.001475 max=0.001240 Jy/beam ! Clean residual mean=0.000003 rms=0.000321 Jy/beam ! Combined flux in latest and established models = 0.127735 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 86 components and 0.127735 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=2.057 mas, bmaj=3.679 mas, bpa=4.136 degrees ! Estimated noise=0.280864 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00213871 Jy ! Component: 100 - total flux cleaned = 0.00359598 Jy ! Component: 150 - total flux cleaned = 0.00464323 Jy ! Component: 200 - total flux cleaned = 0.00541748 Jy ! Total flux subtracted in 200 components = 0.00541748 Jy ! Clean residual min=-0.001658 max=0.001761 Jy/beam ! Clean residual mean=0.000005 rms=0.000439 Jy/beam ! Combined flux in latest and established models = 0.133152 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 = 0.000523384 Jy ! Component: 100 - total flux cleaned = 0.000824377 Jy ! Component: 150 - total flux cleaned = 0.00107034 Jy ! Component: 200 - total flux cleaned = 0.00126048 Jy ! Total flux subtracted in 200 components = 0.00126048 Jy ! Clean residual min=-0.001527 max=0.001810 Jy/beam ! Clean residual mean=0.000005 rms=0.000431 Jy/beam ! Combined flux in latest and established models = 0.134413 Jy ! Adding 64 model components to the UV plane model. ! The established model now contains 139 components and 0.134413 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8011 mas, bmaj=2.025 mas, bpa=-2.913 degrees ! Estimated noise=0.206568 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000129059 Jy ! Component: 100 - total flux cleaned = 0.00020093 Jy ! Component: 150 - total flux cleaned = 0.000262884 Jy ! Component: 200 - total flux cleaned = 0.000299478 Jy ! Total flux subtracted in 200 components = 0.000299478 Jy ! Clean residual min=-0.001372 max=0.001233 Jy/beam ! Clean residual mean=0.000002 rms=0.000286 Jy/beam ! Combined flux in latest and established models = 0.134712 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 151 components and 0.134712 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=0.103356Jy sigma=1.324318 ! Fit after self-cal, rms=0.103345Jy sigma=1.324240 wmodel J0457-0849_X_map.mod ! Writing 151 model components to file: J0457-0849_X_map.mod wobs J0457-0849_X_uvs.fits ! Writing UV FITS file: J0457-0849_X_uvs.fits wwins J0457-0849_X_map.win ! wwins: Wrote 5 windows to J0457-0849_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 = -0.000421663 Jy ! Component: 100 - total flux cleaned = -0.000615957 Jy ! Component: 150 - total flux cleaned = -0.000716792 Jy ! Component: 200 - total flux cleaned = -0.0008528 Jy ! Component: 250 - total flux cleaned = -0.000927934 Jy ! Component: 300 - total flux cleaned = -0.000982421 Jy ! Component: 350 - total flux cleaned = -0.000982201 Jy ! Component: 400 - total flux cleaned = -0.00106989 Jy ! Component: 450 - total flux cleaned = -0.00110434 Jy ! Component: 500 - total flux cleaned = -0.00117198 Jy ! Component: 550 - total flux cleaned = -0.00123847 Jy ! Component: 600 - total flux cleaned = -0.00127103 Jy ! Component: 650 - total flux cleaned = -0.00130322 Jy ! Component: 700 - total flux cleaned = -0.00135091 Jy ! Component: 750 - total flux cleaned = -0.00138249 Jy ! Component: 800 - total flux cleaned = -0.00138265 Jy ! Component: 850 - total flux cleaned = -0.00145974 Jy ! Component: 900 - total flux cleaned = -0.00149 Jy ! Component: 950 - total flux cleaned = -0.00152016 Jy ! Component: 1000 - total flux cleaned = -0.00152018 Jy ! Component: 1050 - total flux cleaned = -0.00156421 Jy ! Component: 1100 - total flux cleaned = -0.0015348 Jy ! Component: 1150 - total flux cleaned = -0.00152045 Jy ! Component: 1200 - total flux cleaned = -0.00156343 Jy ! Component: 1250 - total flux cleaned = -0.00157763 Jy ! Component: 1300 - total flux cleaned = -0.00159155 Jy ! Component: 1350 - total flux cleaned = -0.00156378 Jy ! Component: 1400 - total flux cleaned = -0.00163254 Jy ! Component: 1450 - total flux cleaned = -0.00161877 Jy ! Component: 1500 - total flux cleaned = -0.00157828 Jy ! Component: 1550 - total flux cleaned = -0.00159184 Jy ! Component: 1600 - total flux cleaned = -0.00156517 Jy ! Component: 1650 - total flux cleaned = -0.00152557 Jy ! Component: 1700 - total flux cleaned = -0.00153885 Jy ! Component: 1750 - total flux cleaned = -0.00149975 Jy ! Component: 1800 - total flux cleaned = -0.00144781 Jy ! Component: 1850 - total flux cleaned = -0.00144787 Jy ! Component: 1900 - total flux cleaned = -0.00142241 Jy ! Component: 1950 - total flux cleaned = -0.00140963 Jy ! Component: 2000 - total flux cleaned = -0.00134643 Jy ! Component: 2050 - total flux cleaned = -0.00129613 Jy ! Component: 2100 - total flux cleaned = -0.00122148 Jy ! Component: 2150 - total flux cleaned = -0.00119673 Jy ! Component: 2200 - total flux cleaned = -0.00117222 Jy ! Component: 2250 - total flux cleaned = -0.00112327 Jy ! Component: 2300 - total flux cleaned = -0.00109894 Jy ! Component: 2350 - total flux cleaned = -0.00102644 Jy ! Component: 2400 - total flux cleaned = -0.000966363 Jy ! Component: 2450 - total flux cleaned = -0.000930612 Jy ! Component: 2500 - total flux cleaned = -0.000847614 Jy ! Component: 2550 - total flux cleaned = -0.000824038 Jy ! Component: 2600 - total flux cleaned = -0.000859191 Jy ! Component: 2650 - total flux cleaned = -0.000789189 Jy ! Component: 2700 - total flux cleaned = -0.000765894 Jy ! Component: 2750 - total flux cleaned = -0.000673528 Jy ! Component: 2800 - total flux cleaned = -0.000639093 Jy ! Component: 2850 - total flux cleaned = -0.00060486 Jy ! Component: 2900 - total flux cleaned = -0.000582084 Jy ! Component: 2950 - total flux cleaned = -0.000559556 Jy ! Component: 3000 - total flux cleaned = -0.000503373 Jy ! Component: 3050 - total flux cleaned = -0.000425123 Jy ! Component: 3100 - total flux cleaned = -0.000436208 Jy ! Component: 3150 - total flux cleaned = -0.00038088 Jy ! Component: 3200 - total flux cleaned = -0.000369841 Jy ! Component: 3250 - total flux cleaned = -0.000347903 Jy ! Component: 3300 - total flux cleaned = -0.000293354 Jy ! Component: 3350 - total flux cleaned = -0.000239022 Jy ! Component: 3400 - total flux cleaned = -0.000249888 Jy ! Component: 3450 - total flux cleaned = -0.000153085 Jy ! Component: 3500 - total flux cleaned = -0.000174615 Jy ! Component: 3550 - total flux cleaned = -0.000100033 Jy ! Component: 3600 - total flux cleaned = -7.88149e-05 Jy ! Component: 3650 - total flux cleaned = -4.71218e-05 Jy ! Component: 3700 - total flux cleaned = 5.44833e-06 Jy ! Component: 3750 - total flux cleaned = 3.66562e-05 Jy ! Component: 3800 - total flux cleaned = 5.75192e-05 Jy ! Component: 3850 - total flux cleaned = 0.000130074 Jy ! Component: 3900 - total flux cleaned = 0.000140399 Jy ! Component: 3950 - total flux cleaned = 0.000171173 Jy ! Component: 4000 - total flux cleaned = 0.000242808 Jy ! Component: 4050 - total flux cleaned = 0.000273341 Jy ! Total flux subtracted in 4096 components = 0.000273431 Jy ! Clean residual min=-0.000538 max=0.000635 Jy/beam ! Clean residual mean=0.000001 rms=0.000179 Jy/beam ! Combined flux in latest and established models = 0.134986 Jy keep ! Adding 320 model components to the UV plane model. ! The established model now contains 471 components and 0.134985 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0457-0849_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8011 x 2.025 at -2.913 degrees (North through East) ! Clean map min=-0.0010089 max=0.072293 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0457-0849_X_map.fits wmodel /vlbi/uf001/uva//J0457-0849_X_map.mod ! Writing 471 model components to file: /vlbi/uf001/uva//J0457-0849_X_map.mod wobs /vlbi/uf001/uva//J0457-0849_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0457-0849_X_uvs.fits wwins /vlbi/uf001/uva//J0457-0849_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J0457-0849_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0722933 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000178241 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.739657 0.739657 1.47931 2.95863 5.91725 11.8345 23.669 47.338 94.676 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.072 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 405.593 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0457-0849_X_dfm.log closed on Sun Jan 13 22:23:29 2019