! Started logfile: /vlbi/uf001/uva//J0637-2942_X_dfm.log on Sun Jan 13 23:04:45 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//J0637-2942_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0637-2942_X_uva.fits ! AN table 1: 48 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.790509 visibilities/baseline/integration-bin. ! Found source: J0637-2942 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 121 lines of history. ! ! Reading 16392 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 J0637-2942_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 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 48 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.006721Jy sigma=18.572342 ! Fit after self-cal, rms=0.927829Jy sigma=17.068333 ! 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=0.5798 mas, bmaj=1.515 mas, bpa=-2.214 degrees ! Estimated noise=0.61005 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 = 0.0589933 Jy ! Component: 100 - total flux cleaned = 0.0718692 Jy ! Total flux subtracted in 100 components = 0.0718692 Jy ! Clean residual min=-0.003852 max=0.005272 Jy/beam ! Clean residual mean=-0.000006 rms=0.000989 Jy/beam ! Combined flux in latest and established models = 0.0718692 Jy ! Performing phase self-cal ! Adding 2 model components to the UV plane model. ! The established model now contains 2 components and 0.0718692 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=0.076775Jy sigma=1.272132 ! Fit after self-cal, rms=0.076182Jy sigma=1.261231 ! 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=0.7436 mas, bmaj=1.849 mas, bpa=-2.653 degrees ! Estimated noise=0.306312 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 (-10.2, 26). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00548142 Jy ! Component: 100 - total flux cleaned = 0.00829799 Jy ! Component: 150 - total flux cleaned = 0.0101566 Jy ! Component: 200 - total flux cleaned = 0.0114473 Jy ! Total flux subtracted in 200 components = 0.0114473 Jy ! Clean residual min=-0.002935 max=0.004256 Jy/beam ! Clean residual mean=-0.000006 rms=0.000657 Jy/beam ! Combined flux in latest and established models = 0.0833165 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 41 components and 0.0833165 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=0.075856Jy sigma=1.251987 ! Fit after self-cal, rms=0.075836Jy sigma=1.250759 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7436 x 1.849 at -2.653 degrees (North through East) ! Clean map min=-0.0026547 max=0.075196 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 HN 1.08 LA 0.99 ! MK 0.97 NL 1.15 OV 0.92 PT 0.96 ! SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.05 HN 1.10 LA 0.95 ! MK 0.96 NL 1.14 OV 0.95 PT 0.98 ! SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.08 HN 1.15 LA 0.94 ! MK 1.01 NL 1.13 OV 0.92 PT 0.98 ! SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.06 HN 1.20 LA 0.94 ! MK 1.05 NL 1.03 OV 0.99 PT 1.06 ! SC 0.94 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.09 HN 1.15 LA 0.91 ! MK 1.05 NL 1.13 OV 0.96 PT 1.05 ! SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.99 HN 1.03 LA 0.96 ! MK 0.93 NL 1.17 OV 0.91 PT 1.05 ! SC 0.94 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.93 HN 1.12 LA 0.89 ! MK 0.94 NL 1.10 OV 0.99 PT 0.99 ! SC 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 1.18 LA 0.93 ! MK 0.99 NL 1.13 OV 0.98 PT 0.97 ! SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 FD 1.00 HN 1.22 LA 0.99 ! MK 0.96 NL 1.18 OV 0.95 PT 0.97 ! SC 1.07 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.10 HN 1.06 LA 0.88 ! MK 1.01 NL 1.15 OV 0.93 PT 0.98 ! SC 1.02 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 0.98 LA 0.93 ! MK 0.98 NL 1.21 OV 0.91 PT 0.97 ! SC 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 1.04 HN 0.91 LA 0.88 ! MK 1.00 NL 1.12 OV 0.94 PT 0.97 ! SC 1.07 ! ! ! Fit before self-cal, rms=0.075836Jy sigma=1.250759 ! Fit after self-cal, rms=0.075816Jy sigma=1.243031 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7442 mas, bmaj=1.843 mas, bpa=-2.394 degrees ! Estimated noise=0.304276 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 = -0.000526688 Jy ! Component: 100 - total flux cleaned = -0.000496215 Jy ! Component: 150 - total flux cleaned = -0.000498741 Jy ! Component: 200 - total flux cleaned = -0.000475921 Jy ! Total flux subtracted in 200 components = -0.000475921 Jy ! Clean residual min=-0.001769 max=0.001827 Jy/beam ! Clean residual mean=-0.000001 rms=0.000417 Jy/beam ! Combined flux in latest and established models = 0.0828406 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 56 components and 0.0828406 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=0.075785Jy sigma=1.242627 ! Fit after self-cal, rms=0.075922Jy sigma=1.242154 ! 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=0.075922Jy sigma=1.242154 ! Fit after self-cal, rms=0.077079Jy sigma=1.238809 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7448 mas, bmaj=1.853 mas, bpa=-2.665 degrees ! Estimated noise=0.305581 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000290711 Jy ! Component: 100 - total flux cleaned = -0.000291042 Jy ! Component: 150 - total flux cleaned = -0.000271693 Jy ! Component: 200 - total flux cleaned = -0.000272237 Jy ! Total flux subtracted in 200 components = -0.000272237 Jy ! Clean residual min=-0.001519 max=0.001597 Jy/beam ! Clean residual mean=-0.000001 rms=0.000355 Jy/beam ! Combined flux in latest and established models = 0.0825684 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 68 components and 0.0825684 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=0.077066Jy sigma=1.238623 ! Fit after self-cal, rms=0.077138Jy sigma=1.238315 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 (-10.8, -9.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00096338 Jy ! Component: 100 - total flux cleaned = 0.00106112 Jy ! Component: 150 - total flux cleaned = 0.00108339 Jy ! Component: 200 - total flux cleaned = 0.00106457 Jy ! Total flux subtracted in 200 components = 0.00106457 Jy ! Clean residual min=-0.001452 max=0.001438 Jy/beam ! Clean residual mean=-0.000002 rms=0.000344 Jy/beam ! Combined flux in latest and established models = 0.083633 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 80 components and 0.083633 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=0.077106Jy sigma=1.237772 ! Fit after self-cal, rms=0.077109Jy sigma=1.237717 ! 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=0.077109Jy sigma=1.237717 ! Fit after self-cal, rms=0.077463Jy sigma=1.237456 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7444 mas, bmaj=1.853 mas, bpa=-2.699 degrees ! Estimated noise=0.305165 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000116885 Jy ! Component: 100 - total flux cleaned = -1.25779e-05 Jy ! Component: 150 - total flux cleaned = -0.000107568 Jy ! Component: 200 - total flux cleaned = -0.000141352 Jy ! Total flux subtracted in 200 components = -0.000141352 Jy ! Clean residual min=-0.001445 max=0.001376 Jy/beam ! Clean residual mean=-0.000002 rms=0.000331 Jy/beam ! Combined flux in latest and established models = 0.0834916 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 88 components and 0.0834916 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=0.077450Jy sigma=1.237259 ! Fit after self-cal, rms=0.077484Jy sigma=1.237226 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 = -9.37991e-05 Jy ! Component: 100 - total flux cleaned = -0.000110317 Jy ! Component: 150 - total flux cleaned = -0.000126251 Jy ! Component: 200 - total flux cleaned = -0.000140847 Jy ! Total flux subtracted in 200 components = -0.000140847 Jy ! Clean residual min=-0.001442 max=0.001380 Jy/beam ! Clean residual mean=-0.000001 rms=0.000330 Jy/beam ! Combined flux in latest and established models = 0.0833508 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 89 components and 0.0833508 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=0.077477Jy sigma=1.237124 ! Fit after self-cal, rms=0.077477Jy sigma=1.237117 ! 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=0.077477Jy sigma=1.237117 ! Fit after self-cal, rms=0.077579Jy sigma=1.237084 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.115 mas, bmaj=5.692 mas, bpa=2.918 degrees ! Estimated noise=0.408086 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00022891 Jy ! Component: 100 - total flux cleaned = -0.000282682 Jy ! Component: 150 - total flux cleaned = -0.000269732 Jy ! Component: 200 - total flux cleaned = -0.000280231 Jy ! Total flux subtracted in 200 components = -0.000280231 Jy ! Clean residual min=-0.001496 max=0.001756 Jy/beam ! Clean residual mean=-0.000003 rms=0.000442 Jy/beam ! Combined flux in latest and established models = 0.0830706 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 101 components and 0.0830706 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=0.077577Jy sigma=1.237085 ! Fit after self-cal, rms=0.077590Jy sigma=1.237063 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 = -0.000132729 Jy ! Component: 100 - total flux cleaned = -0.000143565 Jy ! Component: 150 - total flux cleaned = -0.000160779 Jy ! Component: 200 - total flux cleaned = -0.000184726 Jy ! Total flux subtracted in 200 components = -0.000184726 Jy ! Clean residual min=-0.001461 max=0.001752 Jy/beam ! Clean residual mean=-0.000003 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.0828858 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 106 components and 0.0828858 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=0.077591Jy sigma=1.237097 ! Fit after self-cal, rms=0.077591Jy sigma=1.237092 ! 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=0.7441 mas, bmaj=1.852 mas, bpa=-2.664 degrees ! Estimated noise=0.304881 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7441 x 1.852 at -2.664 degrees (North through East) ! Clean map min=-0.0013214 max=0.075149 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=0.581 mas, bmaj=1.519 mas, bpa=-2.202 degrees ! Estimated noise=0.60708 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0588413 Jy ! Component: 100 - total flux cleaned = 0.0716911 Jy ! Component: 150 - total flux cleaned = 0.0756547 Jy ! Component: 200 - total flux cleaned = 0.0775891 Jy ! Total flux subtracted in 200 components = 0.0775891 Jy ! Clean residual min=-0.002885 max=0.002834 Jy/beam ! Clean residual mean=-0.000003 rms=0.000712 Jy/beam ! Combined flux in latest and established models = 0.0775892 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0775892 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7441 mas, bmaj=1.852 mas, bpa=-2.664 degrees ! Estimated noise=0.304881 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 = 0.00276308 Jy ! Component: 100 - total flux cleaned = 0.00417541 Jy ! Component: 150 - total flux cleaned = 0.00466499 Jy ! Component: 200 - total flux cleaned = 0.00473354 Jy ! Total flux subtracted in 200 components = 0.00473354 Jy ! Clean residual min=-0.001426 max=0.001497 Jy/beam ! Clean residual mean=-0.000003 rms=0.000356 Jy/beam ! Combined flux in latest and established models = 0.0823227 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 41 components and 0.0823227 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=2.115 mas, bmaj=5.692 mas, bpa=2.918 degrees ! Estimated noise=0.408086 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000532673 Jy ! Component: 100 - total flux cleaned = 0.000531913 Jy ! Component: 150 - total flux cleaned = 0.000530513 Jy ! Component: 200 - total flux cleaned = 0.000529453 Jy ! Total flux subtracted in 200 components = 0.000529453 Jy ! Clean residual min=-0.001507 max=0.001657 Jy/beam ! Clean residual mean=-0.000004 rms=0.000449 Jy/beam ! Combined flux in latest and established models = 0.0828522 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 = 2.85595e-05 Jy ! Component: 100 - total flux cleaned = 4.08226e-05 Jy ! Component: 150 - total flux cleaned = 4.04391e-05 Jy ! Component: 200 - total flux cleaned = 4.04764e-05 Jy ! Total flux subtracted in 200 components = 4.04764e-05 Jy ! Clean residual min=-0.001473 max=0.001700 Jy/beam ! Clean residual mean=-0.000004 rms=0.000443 Jy/beam ! Combined flux in latest and established models = 0.0828926 Jy ! Adding 21 model components to the UV plane model. ! The established model now contains 56 components and 0.0828926 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7441 mas, bmaj=1.852 mas, bpa=-2.664 degrees ! Estimated noise=0.304881 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00018471 Jy ! Component: 100 - total flux cleaned = 0.000155371 Jy ! Component: 150 - total flux cleaned = 0.000129424 Jy ! Component: 200 - total flux cleaned = 8.15873e-05 Jy ! Total flux subtracted in 200 components = 8.15873e-05 Jy ! Clean residual min=-0.001376 max=0.001387 Jy/beam ! Clean residual mean=-0.000002 rms=0.000334 Jy/beam ! Combined flux in latest and established models = 0.0829742 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 67 components and 0.0829742 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=0.077611Jy sigma=1.237429 ! Fit after self-cal, rms=0.077594Jy sigma=1.237341 wmodel J0637-2942_X_map.mod ! Writing 67 model components to file: J0637-2942_X_map.mod wobs J0637-2942_X_uvs.fits ! Writing UV FITS file: J0637-2942_X_uvs.fits wwins J0637-2942_X_map.win ! wwins: Wrote 3 windows to J0637-2942_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 = 0.000196086 Jy ! Component: 100 - total flux cleaned = 0.000315149 Jy ! Component: 150 - total flux cleaned = 0.00038269 Jy ! Component: 200 - total flux cleaned = 0.000490241 Jy ! Component: 250 - total flux cleaned = 0.000573905 Jy ! Component: 300 - total flux cleaned = 0.000574031 Jy ! Component: 350 - total flux cleaned = 0.000496172 Jy ! Component: 400 - total flux cleaned = 0.000343489 Jy ! Component: 450 - total flux cleaned = 0.000194181 Jy ! Component: 500 - total flux cleaned = 2.94428e-05 Jy ! Component: 550 - total flux cleaned = -0.000149876 Jy ! Component: 600 - total flux cleaned = -0.00027309 Jy ! Component: 650 - total flux cleaned = -0.000429075 Jy ! Component: 700 - total flux cleaned = -0.000564904 Jy ! Component: 750 - total flux cleaned = -0.000698946 Jy ! Component: 800 - total flux cleaned = -0.000863159 Jy ! Component: 850 - total flux cleaned = -0.00102474 Jy ! Component: 900 - total flux cleaned = -0.00110411 Jy ! Component: 950 - total flux cleaned = -0.00122946 Jy ! Component: 1000 - total flux cleaned = -0.00129109 Jy ! Component: 1050 - total flux cleaned = -0.00136734 Jy ! Component: 1100 - total flux cleaned = -0.00147247 Jy ! Component: 1150 - total flux cleaned = -0.00148723 Jy ! Component: 1200 - total flux cleaned = -0.00157507 Jy ! Component: 1250 - total flux cleaned = -0.00166187 Jy ! Component: 1300 - total flux cleaned = -0.00173325 Jy ! Component: 1350 - total flux cleaned = -0.00181774 Jy ! Component: 1400 - total flux cleaned = -0.00190159 Jy ! Component: 1450 - total flux cleaned = -0.00199807 Jy ! Component: 1500 - total flux cleaned = -0.00207977 Jy ! Component: 1550 - total flux cleaned = -0.00217395 Jy ! Component: 1600 - total flux cleaned = -0.00216073 Jy ! Component: 1650 - total flux cleaned = -0.00227921 Jy ! Component: 1700 - total flux cleaned = -0.00233129 Jy ! Component: 1750 - total flux cleaned = -0.00234414 Jy ! Component: 1800 - total flux cleaned = -0.00240799 Jy ! Component: 1850 - total flux cleaned = -0.00245816 Jy ! Component: 1900 - total flux cleaned = -0.00244548 Jy ! Component: 1950 - total flux cleaned = -0.00249506 Jy ! Component: 2000 - total flux cleaned = -0.00250744 Jy ! Component: 2050 - total flux cleaned = -0.00250761 Jy ! Component: 2100 - total flux cleaned = -0.00253153 Jy ! Component: 2150 - total flux cleaned = -0.00254349 Jy ! Component: 2200 - total flux cleaned = -0.00255529 Jy ! Component: 2250 - total flux cleaned = -0.00259043 Jy ! Component: 2300 - total flux cleaned = -0.00257902 Jy ! Component: 2350 - total flux cleaned = -0.00261356 Jy ! Component: 2400 - total flux cleaned = -0.00263647 Jy ! Component: 2450 - total flux cleaned = -0.00267041 Jy ! Component: 2500 - total flux cleaned = -0.00269289 Jy ! Component: 2550 - total flux cleaned = -0.00269291 Jy ! Component: 2600 - total flux cleaned = -0.00272596 Jy ! Component: 2650 - total flux cleaned = -0.00273685 Jy ! Component: 2700 - total flux cleaned = -0.00273682 Jy ! Component: 2750 - total flux cleaned = -0.00271524 Jy ! Component: 2800 - total flux cleaned = -0.0027366 Jy ! Component: 2850 - total flux cleaned = -0.0027682 Jy ! Component: 2900 - total flux cleaned = -0.00272615 Jy ! Component: 2950 - total flux cleaned = -0.0027365 Jy ! Component: 3000 - total flux cleaned = -0.00270552 Jy ! Component: 3050 - total flux cleaned = -0.00268501 Jy ! Component: 3100 - total flux cleaned = -0.00268516 Jy ! Component: 3150 - total flux cleaned = -0.00267503 Jy ! Component: 3200 - total flux cleaned = -0.00265483 Jy ! Component: 3250 - total flux cleaned = -0.00263488 Jy ! Component: 3300 - total flux cleaned = -0.00260524 Jy ! Component: 3350 - total flux cleaned = -0.00259537 Jy ! Component: 3400 - total flux cleaned = -0.00259536 Jy ! Component: 3450 - total flux cleaned = -0.00254679 Jy ! Component: 3500 - total flux cleaned = -0.00254679 Jy ! Component: 3550 - total flux cleaned = -0.00252771 Jy ! Component: 3600 - total flux cleaned = -0.00248946 Jy ! Component: 3650 - total flux cleaned = -0.00247996 Jy ! Component: 3700 - total flux cleaned = -0.00242342 Jy ! Component: 3750 - total flux cleaned = -0.0024047 Jy ! Component: 3800 - total flux cleaned = -0.00235817 Jy ! Component: 3850 - total flux cleaned = -0.00233976 Jy ! Component: 3900 - total flux cleaned = -0.0022937 Jy ! Component: 3950 - total flux cleaned = -0.00227538 Jy ! Component: 4000 - total flux cleaned = -0.00228438 Jy ! Component: 4050 - total flux cleaned = -0.00225726 Jy ! Total flux subtracted in 4096 components = -0.00222135 Jy ! Clean residual min=-0.000516 max=0.000502 Jy/beam ! Clean residual mean=-0.000000 rms=0.000151 Jy/beam ! Combined flux in latest and established models = 0.0807529 Jy keep ! Adding 270 model components to the UV plane model. ! The established model now contains 337 components and 0.0807528 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0637-2942_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7441 x 1.852 at -2.664 degrees (North through East) ! Clean map min=-0.00092625 max=0.075024 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0637-2942_X_map.fits wmodel /vlbi/uf001/uva//J0637-2942_X_map.mod ! Writing 337 model components to file: /vlbi/uf001/uva//J0637-2942_X_map.mod wobs /vlbi/uf001/uva//J0637-2942_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0637-2942_X_uvs.fits wwins /vlbi/uf001/uva//J0637-2942_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J0637-2942_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0750239 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000150591 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.602173 0.602173 1.20435 2.40869 4.81739 9.63477 19.2695 38.5391 77.0782 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.075 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 498.195 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0637-2942_X_dfm.log closed on Sun Jan 13 23:04:49 2019