! Started logfile: /vlbi/uf001/uva//J1508-4953_X_dfm.log on Mon Jan 14 03:12:33 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//J1508-4953_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1508-4953_X_uva.fits ! AN table 1: 73 integrations on 10 of 10 possible baselines. ! Apparent sampling: 0.987671 visibilities/baseline/integration-bin. ! Found source: J1508-4953 ! ! 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 8652 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 J1508-4953_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 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 7 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.152444Jy sigma=18.358671 ! Fit after self-cal, rms=0.525805Jy sigma=8.426746 ! 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=0.5821 mas, bmaj=7.019 mas, bpa=-15.9 degrees ! Estimated noise=1.50732 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 = 0.375967 Jy ! Component: 100 - total flux cleaned = 0.458415 Jy ! Total flux subtracted in 100 components = 0.458415 Jy ! Clean residual min=-0.020357 max=0.025666 Jy/beam ! Clean residual mean=0.000202 rms=0.005558 Jy/beam ! Combined flux in latest and established models = 0.458415 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.458415 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=0.089402Jy sigma=1.404293 ! Fit after self-cal, rms=0.089399Jy sigma=1.404268 ! 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=0.8123 mas, bmaj=8.925 mas, bpa=-15.49 degrees ! Estimated noise=0.485534 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 = 0.0209872 Jy ! Component: 100 - total flux cleaned = 0.0267918 Jy ! Component: 150 - total flux cleaned = 0.0272927 Jy ! Component: 200 - total flux cleaned = 0.0274877 Jy ! Total flux subtracted in 200 components = 0.0274877 Jy ! Clean residual min=-0.019479 max=0.022937 Jy/beam ! Clean residual mean=0.000723 rms=0.006838 Jy/beam ! Combined flux in latest and established models = 0.485903 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 29 components and 0.485903 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=0.084181Jy sigma=1.336927 ! Fit after self-cal, rms=0.084178Jy sigma=1.336885 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8123 x 8.925 at -15.49 degrees (North through East) ! Clean map min=-0.019465 max=0.47353 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 0.97 LA 1.06 MK 0.98 ! PT 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 KP 0.96 LA 1.07 MK 0.98 ! PT 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 KP 0.96 LA 1.08 MK 0.99 ! PT 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 KP 0.97 LA 1.06 MK 0.98 ! PT 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 0.97 LA 1.08 MK 0.99 ! PT 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 KP 0.96 LA 1.06 MK 0.99 ! PT 0.98 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 KP 0.96 LA 1.07 MK 0.98 ! PT 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 KP 0.97 LA 1.06 MK 1.00 ! PT 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 0.95 LA 1.07 MK 1.00 ! PT 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 0.99 KP 0.96 LA 1.06 MK 0.99 ! PT 0.96 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 1.00 KP 0.97 LA 1.06 MK 1.00 ! PT 0.94 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 1.01 KP 0.97 LA 1.07 MK 0.98 ! PT 0.93 ! ! ! Fit before self-cal, rms=0.084178Jy sigma=1.336885 ! Fit after self-cal, rms=0.081681Jy sigma=1.284676 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8103 mas, bmaj=8.899 mas, bpa=-15.52 degrees ! Estimated noise=0.483358 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 = 0.00265992 Jy ! Component: 100 - total flux cleaned = 0.00310149 Jy ! Component: 150 - total flux cleaned = 0.00338827 Jy ! Component: 200 - total flux cleaned = 0.00378645 Jy ! Total flux subtracted in 200 components = 0.00378645 Jy ! Clean residual min=-0.020013 max=0.020168 Jy/beam ! Clean residual mean=0.000655 rms=0.006141 Jy/beam ! Combined flux in latest and established models = 0.48969 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 42 components and 0.48969 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=0.081193Jy sigma=1.277826 ! Fit after self-cal, rms=0.081190Jy sigma=1.277716 ! 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=0.081190Jy sigma=1.277716 ! Fit after self-cal, rms=0.081388Jy sigma=1.277473 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8096 mas, bmaj=8.891 mas, bpa=-15.51 degrees ! Estimated noise=0.483831 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00192291 Jy ! Component: 100 - total flux cleaned = 0.00218232 Jy ! Component: 150 - total flux cleaned = 0.00255359 Jy ! Component: 200 - total flux cleaned = 0.00290792 Jy ! Total flux subtracted in 200 components = 0.00290792 Jy ! Clean residual min=-0.019812 max=0.020062 Jy/beam ! Clean residual mean=0.000651 rms=0.006074 Jy/beam ! Combined flux in latest and established models = 0.492598 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 46 components and 0.492598 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=0.081031Jy sigma=1.272478 ! Fit after self-cal, rms=0.081031Jy sigma=1.272477 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 = 0.000342433 Jy ! Component: 100 - total flux cleaned = 0.000561595 Jy ! Component: 150 - total flux cleaned = 0.000876327 Jy ! Component: 200 - total flux cleaned = 0.0011717 Jy ! Total flux subtracted in 200 components = 0.0011717 Jy ! Clean residual min=-0.019624 max=0.019985 Jy/beam ! Clean residual mean=0.000639 rms=0.006019 Jy/beam ! Combined flux in latest and established models = 0.493769 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 47 components and 0.493769 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=0.080791Jy sigma=1.268900 ! Fit after self-cal, rms=0.080791Jy sigma=1.268898 ! 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=0.080791Jy sigma=1.268898 ! Fit after self-cal, rms=0.063851Jy sigma=0.994152 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8096 mas, bmaj=8.897 mas, bpa=-15.5 degrees ! Estimated noise=0.483912 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0014361 Jy ! Component: 100 - total flux cleaned = -0.00164381 Jy ! Component: 150 - total flux cleaned = -0.00190535 Jy ! Component: 200 - total flux cleaned = -0.00208929 Jy ! Total flux subtracted in 200 components = -0.00208929 Jy ! Clean residual min=-0.003370 max=0.003692 Jy/beam ! Clean residual mean=0.000037 rms=0.001012 Jy/beam ! Combined flux in latest and established models = 0.49168 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 55 components and 0.49168 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=0.063723Jy sigma=0.992233 ! Fit after self-cal, rms=0.063794Jy sigma=0.991824 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 = -0.00023503 Jy ! Component: 100 - total flux cleaned = -0.000397074 Jy ! Component: 150 - total flux cleaned = -0.000552892 Jy ! Component: 200 - total flux cleaned = -0.000652637 Jy ! Total flux subtracted in 200 components = -0.000652637 Jy ! Clean residual min=-0.003122 max=0.003443 Jy/beam ! Clean residual mean=0.000044 rms=0.000960 Jy/beam ! Combined flux in latest and established models = 0.491027 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 56 components and 0.491027 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=0.063717Jy sigma=0.990622 ! Fit after self-cal, rms=0.063716Jy sigma=0.990621 ! 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=0.063716Jy sigma=0.990621 ! Fit after self-cal, rms=0.063684Jy sigma=0.990361 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.392 mas, bmaj=18.26 mas, bpa=-3.472 degrees ! Estimated noise=0.633242 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00141541 Jy ! Component: 100 - total flux cleaned = -0.00160767 Jy ! Component: 150 - total flux cleaned = -0.00174035 Jy ! Component: 200 - total flux cleaned = -0.00190366 Jy ! Total flux subtracted in 200 components = -0.00190366 Jy ! Clean residual min=-0.003189 max=0.003387 Jy/beam ! Clean residual mean=0.000072 rms=0.001292 Jy/beam ! Combined flux in latest and established models = 0.489124 Jy selfcal ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 58 components and 0.489124 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=0.063654Jy sigma=0.990252 ! Fit after self-cal, rms=0.063657Jy sigma=0.990249 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 = -0.000148944 Jy ! Component: 100 - total flux cleaned = -0.000248967 Jy ! Component: 150 - total flux cleaned = -0.000370879 Jy ! Component: 200 - total flux cleaned = -0.000453864 Jy ! Total flux subtracted in 200 components = -0.000453864 Jy ! Clean residual min=-0.003064 max=0.003319 Jy/beam ! Clean residual mean=0.000080 rms=0.001257 Jy/beam ! Combined flux in latest and established models = 0.48867 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 60 components and 0.48867 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=0.063679Jy sigma=0.990828 ! Fit after self-cal, rms=0.063680Jy sigma=0.990825 ! 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=0.8099 mas, bmaj=8.901 mas, bpa=-15.51 degrees ! Estimated noise=0.483732 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8099 x 8.901 at -15.51 degrees (North through East) ! Clean map min=-0.0061687 max=0.47143 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=0.5819 mas, bmaj=6.99 mas, bpa=-15.88 degrees ! Estimated noise=1.48354 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.370049 Jy ! Component: 100 - total flux cleaned = 0.451573 Jy ! Component: 150 - total flux cleaned = 0.477596 Jy ! Component: 200 - total flux cleaned = 0.485224 Jy ! Total flux subtracted in 200 components = 0.485224 Jy ! Clean residual min=-0.005004 max=0.005586 Jy/beam ! Clean residual mean=0.000013 rms=0.001544 Jy/beam ! Combined flux in latest and established models = 0.485224 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.485224 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8099 mas, bmaj=8.901 mas, bpa=-15.51 degrees ! Estimated noise=0.483732 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) ! Added new window around map position (2.2, -22.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00342708 Jy ! Component: 100 - total flux cleaned = 0.00447078 Jy ! Component: 150 - total flux cleaned = 0.00512668 Jy ! Component: 200 - total flux cleaned = 0.0055513 Jy ! Total flux subtracted in 200 components = 0.0055513 Jy ! Clean residual min=-0.002141 max=0.002190 Jy/beam ! Clean residual mean=0.000040 rms=0.000667 Jy/beam ! Combined flux in latest and established models = 0.490776 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 49 components and 0.490776 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=4.392 mas, bmaj=18.26 mas, bpa=-3.472 degrees ! Estimated noise=0.633242 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000507342 Jy ! Component: 100 - total flux cleaned = 0.000773454 Jy ! Component: 150 - total flux cleaned = 0.000955627 Jy ! Component: 200 - total flux cleaned = 0.00107816 Jy ! Total flux subtracted in 200 components = 0.00107816 Jy ! Clean residual min=-0.002288 max=0.002829 Jy/beam ! Clean residual mean=0.000058 rms=0.000972 Jy/beam ! Combined flux in latest and established models = 0.491854 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 = 7.8172e-05 Jy ! Component: 100 - total flux cleaned = 0.000121391 Jy ! Component: 150 - total flux cleaned = 0.000147655 Jy ! Component: 200 - total flux cleaned = 0.000172699 Jy ! Total flux subtracted in 200 components = 0.000172699 Jy ! Clean residual min=-0.002365 max=0.002828 Jy/beam ! Clean residual mean=0.000056 rms=0.000959 Jy/beam ! Combined flux in latest and established models = 0.492027 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 73 components and 0.492027 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8099 mas, bmaj=8.901 mas, bpa=-15.51 degrees ! Estimated noise=0.483732 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000100362 Jy ! Component: 100 - total flux cleaned = -0.00015456 Jy ! Component: 150 - total flux cleaned = -0.000217378 Jy ! Component: 200 - total flux cleaned = -0.000183063 Jy ! Total flux subtracted in 200 components = -0.000183063 Jy ! Clean residual min=-0.002152 max=0.002214 Jy/beam ! Clean residual mean=0.000033 rms=0.000620 Jy/beam ! Combined flux in latest and established models = 0.491844 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 92 components and 0.491844 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=0.063424Jy sigma=0.986501 ! Fit after self-cal, rms=0.063412Jy sigma=0.986379 wmodel J1508-4953_X_map.mod ! Writing 92 model components to file: J1508-4953_X_map.mod wobs J1508-4953_X_uvs.fits ! Writing UV FITS file: J1508-4953_X_uvs.fits wwins J1508-4953_X_map.win ! wwins: Wrote 2 windows to J1508-4953_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 = 3.08272e-05 Jy ! Component: 100 - total flux cleaned = 0.000155428 Jy ! Component: 150 - total flux cleaned = 0.000437611 Jy ! Component: 200 - total flux cleaned = 0.000593211 Jy ! Component: 250 - total flux cleaned = 0.000809445 Jy ! Component: 300 - total flux cleaned = 0.00103536 Jy ! Component: 350 - total flux cleaned = 0.0011635 Jy ! Component: 400 - total flux cleaned = 0.00128469 Jy ! Component: 450 - total flux cleaned = 0.00134254 Jy ! Component: 500 - total flux cleaned = 0.00143423 Jy ! Component: 550 - total flux cleaned = 0.00154037 Jy ! Component: 600 - total flux cleaned = 0.00164215 Jy ! Component: 650 - total flux cleaned = 0.00165862 Jy ! Component: 700 - total flux cleaned = 0.00165897 Jy ! Component: 750 - total flux cleaned = 0.00165914 Jy ! Component: 800 - total flux cleaned = 0.00167415 Jy ! Component: 850 - total flux cleaned = 0.00166004 Jy ! Component: 900 - total flux cleaned = 0.00166015 Jy ! Component: 950 - total flux cleaned = 0.00163256 Jy ! Component: 1000 - total flux cleaned = 0.00157925 Jy ! Component: 1050 - total flux cleaned = 0.00150104 Jy ! Component: 1100 - total flux cleaned = 0.00138664 Jy ! Component: 1150 - total flux cleaned = 0.00128728 Jy ! Component: 1200 - total flux cleaned = 0.00117685 Jy ! Component: 1250 - total flux cleaned = 0.0010684 Jy ! Component: 1300 - total flux cleaned = 0.000926745 Jy ! Component: 1350 - total flux cleaned = 0.00084555 Jy ! Component: 1400 - total flux cleaned = 0.000811162 Jy ! Component: 1450 - total flux cleaned = 0.000732115 Jy ! Component: 1500 - total flux cleaned = 0.00068772 Jy ! Component: 1550 - total flux cleaned = 0.000621859 Jy ! Component: 1600 - total flux cleaned = 0.000600255 Jy ! Component: 1650 - total flux cleaned = 0.000589567 Jy ! Component: 1700 - total flux cleaned = 0.000579007 Jy ! Component: 1750 - total flux cleaned = 0.000568586 Jy ! Component: 1800 - total flux cleaned = 0.000547742 Jy ! Component: 1850 - total flux cleaned = 0.000537462 Jy ! Component: 1900 - total flux cleaned = 0.000516998 Jy ! Component: 1950 - total flux cleaned = 0.000496832 Jy ! Component: 2000 - total flux cleaned = 0.000456663 Jy ! Component: 2050 - total flux cleaned = 0.000446764 Jy ! Component: 2100 - total flux cleaned = 0.000436875 Jy ! Component: 2150 - total flux cleaned = 0.000427029 Jy ! Component: 2200 - total flux cleaned = 0.000397705 Jy ! Component: 2250 - total flux cleaned = 0.000378299 Jy ! Component: 2300 - total flux cleaned = 0.000349345 Jy ! Component: 2350 - total flux cleaned = 0.000378091 Jy ! Component: 2400 - total flux cleaned = 0.000378096 Jy ! Component: 2450 - total flux cleaned = 0.00037807 Jy ! Component: 2500 - total flux cleaned = 0.000406418 Jy ! Component: 2550 - total flux cleaned = 0.000396971 Jy ! Component: 2600 - total flux cleaned = 0.000453326 Jy ! Component: 2650 - total flux cleaned = 0.000453334 Jy ! Component: 2700 - total flux cleaned = 0.000471996 Jy ! Component: 2750 - total flux cleaned = 0.000481295 Jy ! Component: 2800 - total flux cleaned = 0.000509127 Jy ! Component: 2850 - total flux cleaned = 0.000527659 Jy ! Component: 2900 - total flux cleaned = 0.000536921 Jy ! Component: 2950 - total flux cleaned = 0.000564535 Jy ! Component: 3000 - total flux cleaned = 0.000555304 Jy ! Component: 3050 - total flux cleaned = 0.000573654 Jy ! Component: 3100 - total flux cleaned = 0.000610423 Jy ! Component: 3150 - total flux cleaned = 0.000610424 Jy ! Component: 3200 - total flux cleaned = 0.000610392 Jy ! Component: 3250 - total flux cleaned = 0.000619608 Jy ! Component: 3300 - total flux cleaned = 0.000628787 Jy ! Component: 3350 - total flux cleaned = 0.000647148 Jy ! Component: 3400 - total flux cleaned = 0.000665541 Jy ! Component: 3450 - total flux cleaned = 0.000674763 Jy ! Component: 3500 - total flux cleaned = 0.000702438 Jy ! Component: 3550 - total flux cleaned = 0.000730128 Jy ! Component: 3600 - total flux cleaned = 0.000767168 Jy ! Component: 3650 - total flux cleaned = 0.000804329 Jy ! Component: 3700 - total flux cleaned = 0.000841615 Jy ! Component: 3750 - total flux cleaned = 0.000879024 Jy ! Component: 3800 - total flux cleaned = 0.000916526 Jy ! Component: 3850 - total flux cleaned = 0.000954193 Jy ! Component: 3900 - total flux cleaned = 0.00101084 Jy ! Component: 3950 - total flux cleaned = 0.00104875 Jy ! Component: 4000 - total flux cleaned = 0.00108685 Jy ! Component: 4050 - total flux cleaned = 0.00114412 Jy ! Total flux subtracted in 4096 components = 0.00117288 Jy ! Clean residual min=-0.000539 max=0.000587 Jy/beam ! Clean residual mean=0.000008 rms=0.000187 Jy/beam ! Combined flux in latest and established models = 0.493017 Jy keep ! Adding 240 model components to the UV plane model. ! The established model now contains 332 components and 0.493017 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1508-4953_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8099 x 8.901 at -15.51 degrees (North through East) ! Clean map min=-0.0011689 max=0.4707 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1508-4953_X_map.fits wmodel /vlbi/uf001/uva//J1508-4953_X_map.mod ! Writing 332 model components to file: /vlbi/uf001/uva//J1508-4953_X_map.mod wobs /vlbi/uf001/uva//J1508-4953_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1508-4953_X_uvs.fits wwins /vlbi/uf001/uva//J1508-4953_X_map.win ! wwins: Wrote 3 windows to /vlbi/uf001/uva//J1508-4953_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.470697 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000194847 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.124187 0.124187 0.248373 0.496746 0.993492 1.98698 3.97397 7.94794 15.8959 31.7918 63.5835 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0005 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.47 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 2415.72 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1508-4953_X_dfm.log closed on Mon Jan 14 03:12:38 2019