! Started logfile: /vlbi/uf001/uva//J0731+2451_X_dfm.log on Sun Jan 13 23:29:08 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//J0731+2451_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0731+2451_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.978395 visibilities/baseline/integration-bin. ! Found source: J0731+2451 ! ! 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 38040 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 J0731+2451_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 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 8 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.011750Jy sigma=23.259094 ! Fit after self-cal, rms=0.870806Jy sigma=20.052445 ! 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=0.7152 mas, bmaj=1.502 mas, bpa=5.038 degrees ! Estimated noise=0.347812 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 = 0.0987378 Jy ! Component: 100 - total flux cleaned = 0.123887 Jy ! Total flux subtracted in 100 components = 0.123887 Jy ! Clean residual min=-0.005305 max=0.014851 Jy/beam ! Clean residual mean=-0.000007 rms=0.001227 Jy/beam ! Combined flux in latest and established models = 0.123886 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.123886 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=0.063699Jy sigma=1.386790 ! Fit after self-cal, rms=0.063699Jy sigma=1.386510 ! Inverting map ! Added new window around map position (0.8, 2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0138057 Jy ! Component: 100 - total flux cleaned = 0.0211743 Jy ! Total flux subtracted in 100 components = 0.0211743 Jy ! Clean residual min=-0.004307 max=0.006496 Jy/beam ! Clean residual mean=-0.000005 rms=0.000947 Jy/beam ! Combined flux in latest and established models = 0.145061 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 10 components and 0.145061 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=0.060093Jy sigma=1.306555 ! Fit after self-cal, rms=0.059988Jy sigma=1.304190 ! Inverting map ! Added new window around map position (2.4, 2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00639381 Jy ! Component: 100 - total flux cleaned = 0.0108829 Jy ! Total flux subtracted in 100 components = 0.0108829 Jy ! Clean residual min=-0.004220 max=0.005068 Jy/beam ! Clean residual mean=-0.000005 rms=0.000855 Jy/beam ! Combined flux in latest and established models = 0.155944 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 25 components and 0.155944 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=0.058968Jy sigma=1.280358 ! Fit after self-cal, rms=0.058918Jy sigma=1.279262 ! 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=0.9163 mas, bmaj=1.815 mas, bpa=4.353 degrees ! Estimated noise=0.159963 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 = 0.00541135 Jy ! Component: 100 - total flux cleaned = 0.0087655 Jy ! Component: 150 - total flux cleaned = 0.0110396 Jy ! Component: 200 - total flux cleaned = 0.0119699 Jy ! Total flux subtracted in 200 components = 0.0119699 Jy ! Clean residual min=-0.004305 max=0.004498 Jy/beam ! Clean residual mean=-0.000005 rms=0.000978 Jy/beam ! Combined flux in latest and established models = 0.167914 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 38 components and 0.167914 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=0.058328Jy sigma=1.266071 ! Fit after self-cal, rms=0.058279Jy sigma=1.265074 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9163 x 1.815 at 4.353 degrees (North through East) ! Clean map min=-0.0041496 max=0.12814 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.98 HN 0.98 KP 0.95 ! LA 1.16 MK 1.03 NL 1.11 OV 0.88 ! PT 0.93 SC 0.91 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.95 KP 0.95 ! LA 1.14 MK 1.01 NL 1.10 OV 0.90 ! PT 0.97 SC 0.93 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 1.00 KP 0.96 ! LA 1.12 MK 1.03 NL 1.08 OV 0.88 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.98 HN 0.97 KP 0.94 ! LA 1.12 MK 1.03 NL 1.12 OV 0.88 ! PT 0.98 SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.94 KP 0.95 ! LA 1.15 MK 1.03 NL 1.11 OV 0.90 ! PT 0.93 SC 0.92 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 0.96 KP 0.96 ! LA 1.15 MK 1.03 NL 1.11 OV 0.90 ! PT 0.95 SC 0.91 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.97 HN 0.96 KP 0.95 ! LA 1.14 MK 1.06 NL 1.08 OV 0.89 ! PT 0.96 SC 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.97 HN 0.97 KP 0.99 ! LA 1.12 MK 1.05 NL 1.10 OV 0.89 ! PT 0.96 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.97 HN 0.96 KP 0.96 ! LA 1.13 MK 1.03 NL 1.11 OV 0.89 ! PT 0.96 SC 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.97 HN 0.97 KP 0.96 ! LA 1.17 MK 1.05 NL 1.08 OV 0.90 ! PT 0.94 SC 0.94 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.99 HN 0.95 KP 0.96 ! LA 1.15 MK 1.06 NL 1.10 OV 0.89 ! PT 0.94 SC 0.93 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.97 HN 0.94 KP 0.98 ! LA 1.13 MK 1.02 NL 1.10 OV 0.90 ! PT 0.94 SC 0.96 ! ! ! Fit before self-cal, rms=0.058279Jy sigma=1.265074 ! Fit after self-cal, rms=0.056130Jy sigma=1.223640 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9095 mas, bmaj=1.814 mas, bpa=5.317 degrees ! Estimated noise=0.159974 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 = -0.00121449 Jy ! Component: 100 - total flux cleaned = -0.00118156 Jy ! Component: 150 - total flux cleaned = -0.00120941 Jy ! Component: 200 - total flux cleaned = -0.00123381 Jy ! Total flux subtracted in 200 components = -0.00123381 Jy ! Clean residual min=-0.003576 max=0.002966 Jy/beam ! Clean residual mean=-0.000004 rms=0.000738 Jy/beam ! Combined flux in latest and established models = 0.16668 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 52 components and 0.16668 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=0.056068Jy sigma=1.222288 ! Fit after self-cal, rms=0.056084Jy sigma=1.221776 ! 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=0.056084Jy sigma=1.221776 ! Fit after self-cal, rms=0.055635Jy sigma=1.200187 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9079 mas, bmaj=1.813 mas, bpa=5.17 degrees ! Estimated noise=0.16078 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000661096 Jy ! Component: 100 - total flux cleaned = 0.000684459 Jy ! Component: 150 - total flux cleaned = 0.000751876 Jy ! Component: 200 - total flux cleaned = 0.000829679 Jy ! Total flux subtracted in 200 components = 0.000829679 Jy ! Clean residual min=-0.002763 max=0.002058 Jy/beam ! Clean residual mean=-0.000002 rms=0.000484 Jy/beam ! Combined flux in latest and established models = 0.16751 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 63 components and 0.16751 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=0.055608Jy sigma=1.199482 ! Fit after self-cal, rms=0.055620Jy sigma=1.199304 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.68325e-05 Jy ! Component: 100 - total flux cleaned = 4.9106e-05 Jy ! Component: 150 - total flux cleaned = 4.89796e-05 Jy ! Component: 200 - total flux cleaned = 7.50307e-05 Jy ! Total flux subtracted in 200 components = 7.50307e-05 Jy ! Clean residual min=-0.002766 max=0.002069 Jy/beam ! Clean residual mean=-0.000002 rms=0.000483 Jy/beam ! Combined flux in latest and established models = 0.167585 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 68 components and 0.167585 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=0.055612Jy sigma=1.199103 ! Fit after self-cal, rms=0.055610Jy sigma=1.199080 ! 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=0.055610Jy sigma=1.199080 ! Fit after self-cal, rms=0.055453Jy sigma=1.182527 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9067 mas, bmaj=1.813 mas, bpa=5.115 degrees ! Estimated noise=0.160658 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.54913e-05 Jy ! Component: 100 - total flux cleaned = -0.000162978 Jy ! Component: 150 - total flux cleaned = -0.000208677 Jy ! Component: 200 - total flux cleaned = -0.000235159 Jy ! Total flux subtracted in 200 components = -0.000235159 Jy ! Clean residual min=-0.000819 max=0.000854 Jy/beam ! Clean residual mean=0.000000 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.167349 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 73 components and 0.167349 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=0.055444Jy sigma=1.182315 ! Fit after self-cal, rms=0.055468Jy sigma=1.182146 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 (11.6, 8.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000589452 Jy ! Component: 100 - total flux cleaned = 0.000849832 Jy ! Component: 150 - total flux cleaned = 0.00101136 Jy ! Component: 200 - total flux cleaned = 0.00111869 Jy ! Total flux subtracted in 200 components = 0.00111869 Jy ! Clean residual min=-0.000779 max=0.000836 Jy/beam ! Clean residual mean=-0.000000 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.168468 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 95 components and 0.168468 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=0.055450Jy sigma=1.181801 ! Fit after self-cal, rms=0.055449Jy sigma=1.181782 ! Inverting map ! Added new window around map position (9.8, 13.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000494179 Jy ! Component: 100 - total flux cleaned = 0.000651765 Jy ! Component: 150 - total flux cleaned = 0.000777174 Jy ! Component: 200 - total flux cleaned = 0.000889635 Jy ! Total flux subtracted in 200 components = 0.000889635 Jy ! Clean residual min=-0.000759 max=0.000809 Jy/beam ! Clean residual mean=-0.000000 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.169358 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 107 components and 0.169358 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=0.055436Jy sigma=1.181499 ! Fit after self-cal, rms=0.055436Jy sigma=1.181492 ! Inverting map ! Added new window around map position (14.4, -29.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000627541 Jy ! Component: 100 - total flux cleaned = 0.000776755 Jy ! Component: 150 - total flux cleaned = 0.000881517 Jy ! Component: 200 - total flux cleaned = 0.000993203 Jy ! Total flux subtracted in 200 components = 0.000993203 Jy ! Clean residual min=-0.000746 max=0.000725 Jy/beam ! Clean residual mean=-0.000000 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.170351 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 123 components and 0.170351 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=0.055425Jy sigma=1.181208 ! Fit after self-cal, rms=0.055424Jy sigma=1.181202 ! 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=0.055424Jy sigma=1.181202 ! Fit after self-cal, rms=0.055368Jy sigma=1.181162 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.007 mas, bmaj=2.772 mas, bpa=-0.1315 degrees ! Estimated noise=0.207698 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.40861e-05 Jy ! Component: 100 - total flux cleaned = 0.00017961 Jy ! Component: 150 - total flux cleaned = 0.000231286 Jy ! Component: 200 - total flux cleaned = 0.000265438 Jy ! Total flux subtracted in 200 components = 0.000265438 Jy ! Clean residual min=-0.000749 max=0.000909 Jy/beam ! Clean residual mean=-0.000000 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.170616 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 140 components and 0.170616 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=0.055364Jy sigma=1.181075 ! Fit after self-cal, rms=0.055364Jy sigma=1.181072 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 = -1.22626e-05 Jy ! Component: 100 - total flux cleaned = -1.21259e-05 Jy ! Component: 150 - total flux cleaned = 1.52436e-05 Jy ! Component: 200 - total flux cleaned = 1.48128e-05 Jy ! Total flux subtracted in 200 components = 1.48128e-05 Jy ! Clean residual min=-0.000733 max=0.000873 Jy/beam ! Clean residual mean=-0.000000 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.170631 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 150 components and 0.170631 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=0.055362Jy sigma=1.181033 ! Fit after self-cal, rms=0.055362Jy sigma=1.181031 ! 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=0.9062 mas, bmaj=1.812 mas, bpa=5.079 degrees ! Estimated noise=0.160565 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9062 x 1.812 at 5.079 degrees (North through East) ! Clean map min=-0.00066978 max=0.12882 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=0.7075 mas, bmaj=1.506 mas, bpa=5.855 degrees ! Estimated noise=0.346452 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0982393 Jy ! Component: 100 - total flux cleaned = 0.123629 Jy ! Component: 150 - total flux cleaned = 0.136456 Jy ! Component: 200 - total flux cleaned = 0.144216 Jy ! Total flux subtracted in 200 components = 0.144216 Jy ! Clean residual min=-0.002416 max=0.004198 Jy/beam ! Clean residual mean=-0.000002 rms=0.000577 Jy/beam ! Combined flux in latest and established models = 0.144216 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 13 model components to the UV plane model. ! The established model now contains 13 components and 0.144216 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9062 mas, bmaj=1.812 mas, bpa=5.079 degrees ! Estimated noise=0.160565 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 = 0.00767033 Jy ! Component: 100 - total flux cleaned = 0.0125952 Jy ! Component: 150 - total flux cleaned = 0.0159028 Jy ! Component: 200 - total flux cleaned = 0.0181708 Jy ! Total flux subtracted in 200 components = 0.0181708 Jy ! Clean residual min=-0.000986 max=0.001244 Jy/beam ! Clean residual mean=-0.000001 rms=0.000242 Jy/beam ! Combined flux in latest and established models = 0.162387 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 29 components and 0.162387 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00158079 Jy ! Component: 100 - total flux cleaned = 0.00274101 Jy ! Component: 150 - total flux cleaned = 0.0037174 Jy ! Component: 200 - total flux cleaned = 0.00442951 Jy ! Total flux subtracted in 200 components = 0.00442951 Jy ! Clean residual min=-0.000815 max=0.000784 Jy/beam ! Clean residual mean=-0.000000 rms=0.000199 Jy/beam ! Combined flux in latest and established models = 0.166816 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 49 components and 0.166816 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=2.007 mas, bmaj=2.772 mas, bpa=-0.1315 degrees ! Estimated noise=0.207698 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00105772 Jy ! Component: 100 - total flux cleaned = 0.00171882 Jy ! Component: 150 - total flux cleaned = 0.00210827 Jy ! Component: 200 - total flux cleaned = 0.00246312 Jy ! Total flux subtracted in 200 components = 0.00246312 Jy ! Clean residual min=-0.000806 max=0.000888 Jy/beam ! Clean residual mean=-0.000000 rms=0.000223 Jy/beam ! Combined flux in latest and established models = 0.169279 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 = 0.000235403 Jy ! Component: 100 - total flux cleaned = 0.000427558 Jy ! Component: 150 - total flux cleaned = 0.000570702 Jy ! Component: 200 - total flux cleaned = 0.000698633 Jy ! Total flux subtracted in 200 components = 0.000698633 Jy ! Clean residual min=-0.000781 max=0.000855 Jy/beam ! Clean residual mean=-0.000000 rms=0.000213 Jy/beam ! Combined flux in latest and established models = 0.169978 Jy ! Adding 66 model components to the UV plane model. ! The established model now contains 104 components and 0.169978 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9062 mas, bmaj=1.812 mas, bpa=5.079 degrees ! Estimated noise=0.160565 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000485709 Jy ! Component: 100 - total flux cleaned = 0.000665607 Jy ! Component: 150 - total flux cleaned = 0.000788918 Jy ! Component: 200 - total flux cleaned = 0.000853925 Jy ! Total flux subtracted in 200 components = 0.000853925 Jy ! Clean residual min=-0.000764 max=0.000728 Jy/beam ! Clean residual mean=-0.000000 rms=0.000180 Jy/beam ! Combined flux in latest and established models = 0.170832 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 124 components and 0.170832 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=0.055374Jy sigma=1.181283 ! Fit after self-cal, rms=0.055369Jy sigma=1.181207 wmodel J0731+2451_X_map.mod ! Writing 124 model components to file: J0731+2451_X_map.mod wobs J0731+2451_X_uvs.fits ! Writing UV FITS file: J0731+2451_X_uvs.fits wwins J0731+2451_X_map.win ! wwins: Wrote 6 windows to J0731+2451_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 = -0.000240178 Jy ! Component: 100 - total flux cleaned = -0.000356915 Jy ! Component: 150 - total flux cleaned = -0.000431789 Jy ! Component: 200 - total flux cleaned = -0.000456334 Jy ! Component: 250 - total flux cleaned = -0.000468541 Jy ! Component: 300 - total flux cleaned = -0.000468678 Jy ! Component: 350 - total flux cleaned = -0.000457112 Jy ! Component: 400 - total flux cleaned = -0.000434378 Jy ! Component: 450 - total flux cleaned = -0.000434439 Jy ! Component: 500 - total flux cleaned = -0.000456218 Jy ! Component: 550 - total flux cleaned = -0.00044545 Jy ! Component: 600 - total flux cleaned = -0.000466774 Jy ! Component: 650 - total flux cleaned = -0.00048776 Jy ! Component: 700 - total flux cleaned = -0.000508337 Jy ! Component: 750 - total flux cleaned = -0.000508361 Jy ! Component: 800 - total flux cleaned = -0.000508274 Jy ! Component: 850 - total flux cleaned = -0.000488311 Jy ! Component: 900 - total flux cleaned = -0.000528348 Jy ! Component: 950 - total flux cleaned = -0.000577694 Jy ! Component: 1000 - total flux cleaned = -0.000558211 Jy ! Component: 1050 - total flux cleaned = -0.000577517 Jy ! Component: 1100 - total flux cleaned = -0.000567869 Jy ! Component: 1150 - total flux cleaned = -0.000577432 Jy ! Component: 1200 - total flux cleaned = -0.000577296 Jy ! Component: 1250 - total flux cleaned = -0.000558748 Jy ! Component: 1300 - total flux cleaned = -0.00056807 Jy ! Component: 1350 - total flux cleaned = -0.000577216 Jy ! Component: 1400 - total flux cleaned = -0.000559007 Jy ! Component: 1450 - total flux cleaned = -0.000586095 Jy ! Component: 1500 - total flux cleaned = -0.000577102 Jy ! Component: 1550 - total flux cleaned = -0.000639356 Jy ! Component: 1600 - total flux cleaned = -0.000639264 Jy ! Component: 1650 - total flux cleaned = -0.000639224 Jy ! Component: 1700 - total flux cleaned = -0.000648049 Jy ! Component: 1750 - total flux cleaned = -0.00067405 Jy ! Component: 1800 - total flux cleaned = -0.000691193 Jy ! Component: 1850 - total flux cleaned = -0.000674081 Jy ! Component: 1900 - total flux cleaned = -0.000716469 Jy ! Component: 1950 - total flux cleaned = -0.000716521 Jy ! Component: 2000 - total flux cleaned = -0.000724863 Jy ! Component: 2050 - total flux cleaned = -0.000758075 Jy ! Component: 2100 - total flux cleaned = -0.000741542 Jy ! Component: 2150 - total flux cleaned = -0.000790713 Jy ! Component: 2200 - total flux cleaned = -0.000839617 Jy ! Component: 2250 - total flux cleaned = -0.000839585 Jy ! Component: 2300 - total flux cleaned = -0.000879764 Jy ! Component: 2350 - total flux cleaned = -0.000871697 Jy ! Component: 2400 - total flux cleaned = -0.000919453 Jy ! Component: 2450 - total flux cleaned = -0.000927264 Jy ! Component: 2500 - total flux cleaned = -0.000950903 Jy ! Component: 2550 - total flux cleaned = -0.000990144 Jy ! Component: 2600 - total flux cleaned = -0.00101356 Jy ! Component: 2650 - total flux cleaned = -0.00109096 Jy ! Component: 2700 - total flux cleaned = -0.0010602 Jy ! Component: 2750 - total flux cleaned = -0.00109082 Jy ! Component: 2800 - total flux cleaned = -0.00115177 Jy ! Component: 2850 - total flux cleaned = -0.00118961 Jy ! Component: 2900 - total flux cleaned = -0.00124222 Jy ! Component: 2950 - total flux cleaned = -0.00124214 Jy ! Component: 3000 - total flux cleaned = -0.00124962 Jy ! Component: 3050 - total flux cleaned = -0.00127932 Jy ! Component: 3100 - total flux cleaned = -0.00129412 Jy ! Component: 3150 - total flux cleaned = -0.00132349 Jy ! Component: 3200 - total flux cleaned = -0.00138923 Jy ! Component: 3250 - total flux cleaned = -0.00141833 Jy ! Component: 3300 - total flux cleaned = -0.00144725 Jy ! Component: 3350 - total flux cleaned = -0.00146164 Jy ! Component: 3400 - total flux cleaned = -0.00147596 Jy ! Component: 3450 - total flux cleaned = -0.00149026 Jy ! Component: 3500 - total flux cleaned = -0.00153284 Jy ! Component: 3550 - total flux cleaned = -0.00153985 Jy ! Component: 3600 - total flux cleaned = -0.00158202 Jy ! Component: 3650 - total flux cleaned = -0.00156797 Jy ! Component: 3700 - total flux cleaned = -0.00159579 Jy ! Component: 3750 - total flux cleaned = -0.00160969 Jy ! Component: 3800 - total flux cleaned = -0.00164419 Jy ! Component: 3850 - total flux cleaned = -0.0016648 Jy ! Component: 3900 - total flux cleaned = -0.0016853 Jy ! Component: 3950 - total flux cleaned = -0.00171931 Jy ! Component: 4000 - total flux cleaned = -0.00173967 Jy ! Component: 4050 - total flux cleaned = -0.0017261 Jy ! Total flux subtracted in 4096 components = -0.00176638 Jy ! Clean residual min=-0.000369 max=0.000362 Jy/beam ! Clean residual mean=-0.000000 rms=0.000115 Jy/beam ! Combined flux in latest and established models = 0.169066 Jy keep ! Adding 317 model components to the UV plane model. ! The established model now contains 441 components and 0.169066 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0731+2451_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9062 x 1.812 at 5.079 degrees (North through East) ! Clean map min=-0.00060569 max=0.12872 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0731+2451_X_map.fits wmodel /vlbi/uf001/uva//J0731+2451_X_map.mod ! Writing 441 model components to file: /vlbi/uf001/uva//J0731+2451_X_map.mod wobs /vlbi/uf001/uva//J0731+2451_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0731+2451_X_uvs.fits wwins /vlbi/uf001/uva//J0731+2451_X_map.win ! wwins: Wrote 7 windows to /vlbi/uf001/uva//J0731+2451_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.128718 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000115369 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.268888 0.268888 0.537776 1.07555 2.1511 4.30221 8.60441 17.2088 34.4176 68.8353 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.128 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1115.71 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0731+2451_X_dfm.log closed on Sun Jan 13 23:29:15 2019