! Started logfile: /vlbi/bp222/maps//J1431-2903_X_dfm.log on Mon Jan 14 16:55:52 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/bp222/maps//J1431-2903_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1431-2903_X_uva.fits ! AN table 1: 115 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.82795 visibilities/baseline/integration-bin. ! Found source: J1431-2903 ! ! 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 108 lines of history. ! ! Reading 31992 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 J1431-2903_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 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 88 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.006611Jy sigma=13.105873 ! Fit after self-cal, rms=0.931612Jy sigma=12.040055 ! 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=0.5801 mas, bmaj=1.639 mas, bpa=-3.855 degrees ! Estimated noise=0.59935 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 = 0.0477463 Jy ! Component: 100 - total flux cleaned = 0.0672907 Jy ! Total flux subtracted in 100 components = 0.0672907 Jy ! Clean residual min=-0.005567 max=0.015324 Jy/beam ! Clean residual mean=-0.000005 rms=0.001378 Jy/beam ! Combined flux in latest and established models = 0.0672907 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 15 components and 0.0672907 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=0.084954Jy sigma=0.989356 ! Fit after self-cal, rms=0.083983Jy sigma=0.977691 ! Inverting map ! Added new window around map position (0.6, 0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0182928 Jy ! Component: 100 - total flux cleaned = 0.0289151 Jy ! Total flux subtracted in 100 components = 0.0289151 Jy ! Clean residual min=-0.004102 max=0.008188 Jy/beam ! Clean residual mean=-0.000003 rms=0.000937 Jy/beam ! Combined flux in latest and established models = 0.0962058 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 21 components and 0.0962058 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=0.078849Jy sigma=0.880253 ! Fit after self-cal, rms=0.078074Jy sigma=0.872609 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0105952 Jy ! Component: 100 - total flux cleaned = 0.0163783 Jy ! Total flux subtracted in 100 components = 0.0163783 Jy ! Clean residual min=-0.003504 max=0.005756 Jy/beam ! Clean residual mean=-0.000002 rms=0.000781 Jy/beam ! Combined flux in latest and established models = 0.112584 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 22 components and 0.112584 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=0.076633Jy sigma=0.842349 ! Fit after self-cal, rms=0.076356Jy sigma=0.840127 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00488643 Jy ! Component: 100 - total flux cleaned = 0.00623944 Jy ! Total flux subtracted in 100 components = 0.00623944 Jy ! Clean residual min=-0.003369 max=0.004781 Jy/beam ! Clean residual mean=-0.000001 rms=0.000738 Jy/beam ! Combined flux in latest and established models = 0.118824 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 26 components and 0.118824 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=0.076091Jy sigma=0.834024 ! Fit after self-cal, rms=0.075951Jy sigma=0.833036 ! Inverting map ! Added new window around map position (-1, -1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0042763 Jy ! Component: 100 - total flux cleaned = 0.00475064 Jy ! Total flux subtracted in 100 components = 0.00475064 Jy ! Clean residual min=-0.003186 max=0.003374 Jy/beam ! Clean residual mean=-0.000001 rms=0.000706 Jy/beam ! Combined flux in latest and established models = 0.123574 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 31 components and 0.123574 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=0.075761Jy sigma=0.830038 ! Fit after self-cal, rms=0.075698Jy sigma=0.829655 ! 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=0.7386 mas, bmaj=1.976 mas, bpa=-3.706 degrees ! Estimated noise=0.319793 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 = 0.00141315 Jy ! Component: 100 - total flux cleaned = 0.00151857 Jy ! Component: 150 - total flux cleaned = 0.00155574 Jy ! Component: 200 - total flux cleaned = 0.00163038 Jy ! Total flux subtracted in 200 components = 0.00163038 Jy ! Clean residual min=-0.002013 max=0.002615 Jy/beam ! Clean residual mean=-0.000003 rms=0.000493 Jy/beam ! Combined flux in latest and established models = 0.125205 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 41 components and 0.125205 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=0.075609Jy sigma=0.828785 ! Fit after self-cal, rms=0.075576Jy sigma=0.828681 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7386 x 1.976 at -3.706 degrees (North through East) ! Clean map min=-0.0018177 max=0.070834 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HN 1.19 KP 0.99 ! MK 1.05 NL 1.09 OV 0.98 SC 0.89 ! ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 HN 1.12 KP 0.97 ! MK 1.00 NL 1.05 OV 0.98 SC 0.94 ! ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.97 HN 1.19 KP 1.02 ! MK 0.97 NL 1.05 OV 1.00 SC 0.91 ! ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 1.30 KP 0.99 ! MK 1.03 NL 1.02 OV 1.01 SC 0.87 ! ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 1.16 KP 0.96 ! MK 0.98 NL 1.02 OV 1.00 SC 0.93 ! ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.00 HN 1.22 KP 0.97 ! MK 0.99 NL 1.06 OV 0.99 SC 0.92 ! ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 1.26 KP 1.00 ! MK 0.99 NL 1.01 OV 0.99 SC 0.88 ! ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.98 HN 1.18 KP 0.99 ! MK 0.88 NL 1.02 OV 0.98 SC 0.97 ! ! ! Correcting IF 9. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.96 HN 1.22 KP 1.00 ! MK 0.89 NL 1.03 OV 1.00 SC 0.97 ! ! ! Correcting IF 10. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 HN 1.13 KP 0.98 ! MK 0.89 NL 0.98 OV 0.98 SC 0.96 ! ! ! Correcting IF 11. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.97 HN 1.03 KP 0.98 ! MK 0.90 NL 1.00 OV 1.01 SC 0.95 ! ! ! Correcting IF 12. ! A total of 3 telescope corrections were flagged in sub-array 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HN 1.00 KP 0.99 ! MK 0.81 NL 1.00 OV 0.98 SC 0.89 ! ! ! Fit before self-cal, rms=0.075576Jy sigma=0.828681 ! Fit after self-cal, rms=0.077156Jy sigma=0.825739 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7276 mas, bmaj=1.939 mas, bpa=-3.206 degrees ! Estimated noise=0.313123 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 = -0.000333245 Jy ! Component: 100 - total flux cleaned = -0.000455222 Jy ! Component: 150 - total flux cleaned = -0.000455501 Jy ! Component: 200 - total flux cleaned = -0.000503607 Jy ! Total flux subtracted in 200 components = -0.000503607 Jy ! Clean residual min=-0.001564 max=0.001828 Jy/beam ! Clean residual mean=-0.000001 rms=0.000420 Jy/beam ! Combined flux in latest and established models = 0.124701 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 52 components and 0.124701 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=0.077117Jy sigma=0.825307 ! Fit after self-cal, rms=0.077233Jy sigma=0.825109 ! 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=0.077233Jy sigma=0.825109 ! Fit after self-cal, rms=0.078564Jy sigma=0.822847 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7251 mas, bmaj=1.934 mas, bpa=-3.112 degrees ! Estimated noise=0.311676 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000144787 Jy ! Component: 100 - total flux cleaned = 0.00012352 Jy ! Component: 150 - total flux cleaned = 0.000124476 Jy ! Component: 200 - total flux cleaned = 0.000110093 Jy ! Total flux subtracted in 200 components = 0.000110093 Jy ! Clean residual min=-0.001352 max=0.001592 Jy/beam ! Clean residual mean=-0.000001 rms=0.000364 Jy/beam ! Combined flux in latest and established models = 0.124811 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 59 components and 0.124811 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=0.078552Jy sigma=0.822694 ! Fit after self-cal, rms=0.078608Jy sigma=0.822626 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 (13.6, -17). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00154845 Jy ! Component: 100 - total flux cleaned = 0.00193807 Jy ! Component: 150 - total flux cleaned = 0.00202402 Jy ! Component: 200 - total flux cleaned = 0.00202471 Jy ! Total flux subtracted in 200 components = 0.00202471 Jy ! Clean residual min=-0.001245 max=0.001392 Jy/beam ! Clean residual mean=-0.000000 rms=0.000346 Jy/beam ! Combined flux in latest and established models = 0.126836 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 75 components and 0.126836 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=0.078569Jy sigma=0.822054 ! Fit after self-cal, rms=0.078573Jy sigma=0.821971 ! 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=0.078573Jy sigma=0.821971 ! Fit after self-cal, rms=0.080926Jy sigma=0.818135 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7227 mas, bmaj=1.93 mas, bpa=-3.152 degrees ! Estimated noise=0.309801 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000379491 Jy ! Component: 100 - total flux cleaned = -0.000593623 Jy ! Component: 150 - total flux cleaned = -0.000643881 Jy ! Component: 200 - total flux cleaned = -0.000689325 Jy ! Total flux subtracted in 200 components = -0.000689325 Jy ! Clean residual min=-0.001019 max=0.001127 Jy/beam ! Clean residual mean=-0.000001 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.126146 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 86 components and 0.126146 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=0.080916Jy sigma=0.818012 ! Fit after self-cal, rms=0.081027Jy sigma=0.817821 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 (-37, -5.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000962839 Jy ! Component: 100 - total flux cleaned = 0.0010673 Jy ! Component: 150 - total flux cleaned = 0.00106742 Jy ! Component: 200 - total flux cleaned = 0.00106677 Jy ! Total flux subtracted in 200 components = 0.00106677 Jy ! Clean residual min=-0.000998 max=0.001051 Jy/beam ! Clean residual mean=-0.000001 rms=0.000240 Jy/beam ! Combined flux in latest and established models = 0.127213 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 100 components and 0.127213 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=0.081007Jy sigma=0.817647 ! Fit after self-cal, rms=0.081008Jy sigma=0.817613 ! Inverting map ! Added new window around map position (-10, 49.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000842601 Jy ! Component: 100 - total flux cleaned = 0.000827402 Jy ! Component: 150 - total flux cleaned = 0.000764429 Jy ! Component: 200 - total flux cleaned = 0.000735547 Jy ! Total flux subtracted in 200 components = 0.000735547 Jy ! Clean residual min=-0.000918 max=0.001002 Jy/beam ! Clean residual mean=-0.000001 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.127949 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 113 components and 0.127949 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=0.080991Jy sigma=0.817466 ! Fit after self-cal, rms=0.080991Jy sigma=0.817444 ! 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=0.080991Jy sigma=0.817444 ! Fit after self-cal, rms=0.081046Jy sigma=0.817363 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.919 mas, bmaj=4.406 mas, bpa=2.623 degrees ! Estimated noise=0.423184 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000105701 Jy ! Component: 100 - total flux cleaned = -0.000106626 Jy ! Component: 150 - total flux cleaned = -7.16393e-05 Jy ! Component: 200 - total flux cleaned = -1.34947e-05 Jy ! Total flux subtracted in 200 components = -1.34947e-05 Jy ! Clean residual min=-0.001141 max=0.001144 Jy/beam ! Clean residual mean=-0.000002 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.127935 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 127 components and 0.127935 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=0.081041Jy sigma=0.817319 ! Fit after self-cal, rms=0.081084Jy sigma=0.817292 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 = 1.95284e-05 Jy ! Component: 100 - total flux cleaned = 8.87361e-05 Jy ! Component: 150 - total flux cleaned = 0.000148791 Jy ! Component: 200 - total flux cleaned = 0.000149478 Jy ! Total flux subtracted in 200 components = 0.000149478 Jy ! Clean residual min=-0.001134 max=0.001122 Jy/beam ! Clean residual mean=-0.000002 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.128085 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 136 components and 0.128085 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=0.081081Jy sigma=0.817305 ! Fit after self-cal, rms=0.081085Jy sigma=0.817292 ! 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=0.7212 mas, bmaj=1.928 mas, bpa=-3.129 degrees ! Estimated noise=0.308263 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7212 x 1.928 at -3.129 degrees (North through East) ! Clean map min=-0.001213 max=0.069458 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=0.5696 mas, bmaj=1.614 mas, bpa=-3.057 degrees ! Estimated noise=0.565331 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0477769 Jy ! Component: 100 - total flux cleaned = 0.0743032 Jy ! Component: 150 - total flux cleaned = 0.0902686 Jy ! Component: 200 - total flux cleaned = 0.100268 Jy ! Total flux subtracted in 200 components = 0.100268 Jy ! Clean residual min=-0.003100 max=0.005296 Jy/beam ! Clean residual mean=-0.000002 rms=0.000770 Jy/beam ! Combined flux in latest and established models = 0.100268 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.100268 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7212 mas, bmaj=1.928 mas, bpa=-3.129 degrees ! Estimated noise=0.308263 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 = 0.0104545 Jy ! Component: 100 - total flux cleaned = 0.0162447 Jy ! Component: 150 - total flux cleaned = 0.0197062 Jy ! Component: 200 - total flux cleaned = 0.0219962 Jy ! Total flux subtracted in 200 components = 0.0219962 Jy ! Clean residual min=-0.001291 max=0.001507 Jy/beam ! Clean residual mean=-0.000002 rms=0.000301 Jy/beam ! Combined flux in latest and established models = 0.122264 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 29 components and 0.122264 Jy ! Inverting map ! Added new window around map position (0.4, -3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00178655 Jy ! Component: 100 - total flux cleaned = 0.0029798 Jy ! Component: 150 - total flux cleaned = 0.00364829 Jy ! Component: 200 - total flux cleaned = 0.00423166 Jy ! Total flux subtracted in 200 components = 0.00423166 Jy ! Clean residual min=-0.001075 max=0.001054 Jy/beam ! Clean residual mean=-0.000001 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.126495 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 41 components and 0.126495 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=1.919 mas, bmaj=4.406 mas, bpa=2.623 degrees ! Estimated noise=0.423184 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00117406 Jy ! Component: 100 - total flux cleaned = 0.00138304 Jy ! Component: 150 - total flux cleaned = 0.0014642 Jy ! Component: 200 - total flux cleaned = 0.00153391 Jy ! Total flux subtracted in 200 components = 0.00153391 Jy ! Clean residual min=-0.001253 max=0.001174 Jy/beam ! Clean residual mean=-0.000003 rms=0.000283 Jy/beam ! Combined flux in latest and established models = 0.128029 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 = 9.78963e-05 Jy ! Component: 100 - total flux cleaned = 0.000168809 Jy ! Component: 150 - total flux cleaned = 0.000201405 Jy ! Component: 200 - total flux cleaned = 0.000246208 Jy ! Total flux subtracted in 200 components = 0.000246208 Jy ! Clean residual min=-0.001197 max=0.001175 Jy/beam ! Clean residual mean=-0.000003 rms=0.000276 Jy/beam ! Combined flux in latest and established models = 0.128276 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 83 components and 0.128275 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7212 mas, bmaj=1.928 mas, bpa=-3.129 degrees ! Estimated noise=0.308263 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.04444e-05 Jy ! Component: 100 - total flux cleaned = 0.000129995 Jy ! Component: 150 - total flux cleaned = 0.00021778 Jy ! Component: 200 - total flux cleaned = 0.000319907 Jy ! Total flux subtracted in 200 components = 0.000319907 Jy ! Clean residual min=-0.000935 max=0.000984 Jy/beam ! Clean residual mean=-0.000001 rms=0.000233 Jy/beam ! Combined flux in latest and established models = 0.128595 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 98 components and 0.128595 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=0.081091Jy sigma=0.817504 ! Fit after self-cal, rms=0.081074Jy sigma=0.817314 wmodel J1431-2903_X_map.mod ! Writing 98 model components to file: J1431-2903_X_map.mod wobs J1431-2903_X_uvs.fits ! Writing UV FITS file: J1431-2903_X_uvs.fits wwins J1431-2903_X_map.win ! wwins: Wrote 7 windows to J1431-2903_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 = 0.000110031 Jy ! Component: 100 - total flux cleaned = 0.000228448 Jy ! Component: 150 - total flux cleaned = 0.000408752 Jy ! Component: 200 - total flux cleaned = 0.000519829 Jy ! Component: 250 - total flux cleaned = 0.000597538 Jy ! Component: 300 - total flux cleaned = 0.000704078 Jy ! Component: 350 - total flux cleaned = 0.000763494 Jy ! Component: 400 - total flux cleaned = 0.000822163 Jy ! Component: 450 - total flux cleaned = 0.000865191 Jy ! Component: 500 - total flux cleaned = 0.000907547 Jy ! Component: 550 - total flux cleaned = 0.000907461 Jy ! Component: 600 - total flux cleaned = 0.000949221 Jy ! Component: 650 - total flux cleaned = 0.000990249 Jy ! Component: 700 - total flux cleaned = 0.000990317 Jy ! Component: 750 - total flux cleaned = 0.00103032 Jy ! Component: 800 - total flux cleaned = 0.00103065 Jy ! Component: 850 - total flux cleaned = 0.00103063 Jy ! Component: 900 - total flux cleaned = 0.00106931 Jy ! Component: 950 - total flux cleaned = 0.00104357 Jy ! Component: 1000 - total flux cleaned = 0.0010815 Jy ! Component: 1050 - total flux cleaned = 0.00109404 Jy ! Component: 1100 - total flux cleaned = 0.00110655 Jy ! Component: 1150 - total flux cleaned = 0.00111886 Jy ! Component: 1200 - total flux cleaned = 0.00116754 Jy ! Component: 1250 - total flux cleaned = 0.00113119 Jy ! Component: 1300 - total flux cleaned = 0.0011192 Jy ! Component: 1350 - total flux cleaned = 0.00109574 Jy ! Component: 1400 - total flux cleaned = 0.00111944 Jy ! Component: 1450 - total flux cleaned = 0.00115447 Jy ! Component: 1500 - total flux cleaned = 0.00111958 Jy ! Component: 1550 - total flux cleaned = 0.00113092 Jy ! Component: 1600 - total flux cleaned = 0.00110811 Jy ! Component: 1650 - total flux cleaned = 0.00111953 Jy ! Component: 1700 - total flux cleaned = 0.00111952 Jy ! Component: 1750 - total flux cleaned = 0.00110838 Jy ! Component: 1800 - total flux cleaned = 0.00108626 Jy ! Component: 1850 - total flux cleaned = 0.00107532 Jy ! Component: 1900 - total flux cleaned = 0.00109717 Jy ! Component: 1950 - total flux cleaned = 0.00104302 Jy ! Component: 2000 - total flux cleaned = 0.00104296 Jy ! Component: 2050 - total flux cleaned = 0.00101091 Jy ! Component: 2100 - total flux cleaned = 0.00105362 Jy ! Component: 2150 - total flux cleaned = 0.00104316 Jy ! Component: 2200 - total flux cleaned = 0.0010327 Jy ! Component: 2250 - total flux cleaned = 0.00102223 Jy ! Component: 2300 - total flux cleaned = 0.00100156 Jy ! Component: 2350 - total flux cleaned = 0.000970663 Jy ! Component: 2400 - total flux cleaned = 0.000950256 Jy ! Component: 2450 - total flux cleaned = 0.000930034 Jy ! Component: 2500 - total flux cleaned = 0.00091989 Jy ! Component: 2550 - total flux cleaned = 0.000909843 Jy ! Component: 2600 - total flux cleaned = 0.000880081 Jy ! Component: 2650 - total flux cleaned = 0.000899776 Jy ! Component: 2700 - total flux cleaned = 0.000889935 Jy ! Component: 2750 - total flux cleaned = 0.00084105 Jy ! Component: 2800 - total flux cleaned = 0.000870279 Jy ! Component: 2850 - total flux cleaned = 0.00087026 Jy ! Component: 2900 - total flux cleaned = 0.000841491 Jy ! Component: 2950 - total flux cleaned = 0.00083185 Jy ! Component: 3000 - total flux cleaned = 0.000860265 Jy ! Component: 3050 - total flux cleaned = 0.000822523 Jy ! Component: 3100 - total flux cleaned = 0.000850601 Jy ! Component: 3150 - total flux cleaned = 0.000831937 Jy ! Component: 3200 - total flux cleaned = 0.000822802 Jy ! Component: 3250 - total flux cleaned = 0.000850581 Jy ! Component: 3300 - total flux cleaned = 0.00085978 Jy ! Component: 3350 - total flux cleaned = 0.00082314 Jy ! Component: 3400 - total flux cleaned = 0.000841355 Jy ! Component: 3450 - total flux cleaned = 0.000832388 Jy ! Component: 3500 - total flux cleaned = 0.000823266 Jy ! Component: 3550 - total flux cleaned = 0.000778571 Jy ! Component: 3600 - total flux cleaned = 0.000778531 Jy ! Component: 3650 - total flux cleaned = 0.000769629 Jy ! Component: 3700 - total flux cleaned = 0.000734355 Jy ! Component: 3750 - total flux cleaned = 0.00070801 Jy ! Component: 3800 - total flux cleaned = 0.00070803 Jy ! Component: 3850 - total flux cleaned = 0.000673215 Jy ! Component: 3900 - total flux cleaned = 0.000647286 Jy ! Component: 3950 - total flux cleaned = 0.00064729 Jy ! Component: 4000 - total flux cleaned = 0.000587246 Jy ! Component: 4050 - total flux cleaned = 0.000587289 Jy ! Total flux subtracted in 4096 components = 0.000578842 Jy ! Clean residual min=-0.000499 max=0.000470 Jy/beam ! Clean residual mean=-0.000001 rms=0.000145 Jy/beam ! Combined flux in latest and established models = 0.129174 Jy keep ! Adding 307 model components to the UV plane model. ! The established model now contains 405 components and 0.129174 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1431-2903_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7212 x 1.928 at -3.129 degrees (North through East) ! Clean map min=-0.00074397 max=0.069161 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1431-2903_X_map.fits wmodel /vlbi/bp222/maps//J1431-2903_X_map.mod ! Writing 405 model components to file: /vlbi/bp222/maps//J1431-2903_X_map.mod wobs /vlbi/bp222/maps//J1431-2903_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1431-2903_X_uvs.fits wwins /vlbi/bp222/maps//J1431-2903_X_map.win ! wwins: Wrote 8 windows to /vlbi/bp222/maps//J1431-2903_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0691608 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000144145 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.625261 0.625261 1.25052 2.50104 5.00209 10.0042 20.0084 40.0167 80.0334 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.069 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 479.799 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1431-2903_X_dfm.log closed on Mon Jan 14 16:55:59 2019