! Started logfile: /vlbi/uf001/uva//J0751+6840_X_dfm.log on Sun Jan 13 23:40:43 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//J0751+6840_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0751+6840_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.91423 visibilities/baseline/integration-bin. ! Found source: J0751+6840 ! ! 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 28140 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 J0751+6840_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 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 49 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.007330Jy sigma=24.472349 ! Fit after self-cal, rms=0.901593Jy sigma=21.902943 ! 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=0.8237 mas, bmaj=0.8592 mas, bpa=57.73 degrees ! Estimated noise=0.36693 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 = 0.0733601 Jy ! Component: 100 - total flux cleaned = 0.0973112 Jy ! Total flux subtracted in 100 components = 0.0973112 Jy ! Clean residual min=-0.003662 max=0.010181 Jy/beam ! Clean residual mean=-0.000011 rms=0.000896 Jy/beam ! Combined flux in latest and established models = 0.0973112 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0973112 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=0.059810Jy sigma=1.370571 ! Fit after self-cal, rms=0.059645Jy sigma=1.366779 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0110219 Jy ! Component: 100 - total flux cleaned = 0.0162779 Jy ! Total flux subtracted in 100 components = 0.0162779 Jy ! Clean residual min=-0.003120 max=0.005544 Jy/beam ! Clean residual mean=-0.000006 rms=0.000663 Jy/beam ! Combined flux in latest and established models = 0.113589 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 9 components and 0.113589 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=0.057558Jy sigma=1.315707 ! Fit after self-cal, rms=0.057543Jy sigma=1.315195 ! Inverting map ! Added new window around map position (1.8, 1). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0046541 Jy ! Component: 100 - total flux cleaned = 0.00666451 Jy ! Total flux subtracted in 100 components = 0.00666451 Jy ! Clean residual min=-0.002816 max=0.003210 Jy/beam ! Clean residual mean=-0.000005 rms=0.000608 Jy/beam ! Combined flux in latest and established models = 0.120254 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 16 components and 0.120254 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=0.057113Jy sigma=1.303191 ! Fit after self-cal, rms=0.057052Jy sigma=1.301817 ! 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=1.058 mas, bmaj=1.104 mas, bpa=20.25 degrees ! Estimated noise=0.18199 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 = 0.00330559 Jy ! Component: 100 - total flux cleaned = 0.00485111 Jy ! Component: 150 - total flux cleaned = 0.00526894 Jy ! Component: 200 - total flux cleaned = 0.00554135 Jy ! Total flux subtracted in 200 components = 0.00554135 Jy ! Clean residual min=-0.002161 max=0.002959 Jy/beam ! Clean residual mean=-0.000007 rms=0.000522 Jy/beam ! Combined flux in latest and established models = 0.125795 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 23 components and 0.125795 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=0.056886Jy sigma=1.296835 ! Fit after self-cal, rms=0.056851Jy sigma=1.296078 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.058 x 1.104 at 20.25 degrees (North through East) ! Clean map min=-0.0019788 max=0.096523 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.99 HN 0.95 KP 1.00 ! LA 1.02 MK 1.03 NL 1.12 OV 0.91 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.96 KP 0.98 ! LA 1.03 MK 1.05 NL 1.13 OV 0.91 ! PT 0.91 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.01 HN 0.96 KP 0.96 ! LA 1.03 MK 1.06 NL 1.14 OV 0.90 ! PT 0.93 SC 0.94 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.00 HN 0.96 KP 1.00 ! LA 0.98 MK 1.08 NL 1.14 OV 0.92 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.98 HN 0.96 KP 1.01 ! LA 0.98 MK 1.07 NL 1.14 OV 0.93 ! PT 0.96 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.94 KP 1.02 ! LA 1.00 MK 1.07 NL 1.13 OV 0.89 ! PT 0.94 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.98 KP 1.03 ! LA 1.00 MK 1.06 NL 1.13 OV 0.90 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.95 KP 1.02 ! LA 1.01 MK 1.02 NL 1.14 OV 0.92 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 0.96 KP 0.99 ! LA 1.03 MK 1.05 NL 1.12 OV 0.95 ! PT 0.93 SC 0.95 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.00 HN 0.98 KP 1.04 ! LA 1.00 MK 1.05 NL 1.14 OV 0.93 ! PT 0.91 SC 0.92 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.96 KP 1.00 ! LA 1.03 MK 1.01 NL 1.14 OV 0.89 ! PT 0.96 SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 0.97 HN 0.95 KP 1.02 ! LA 0.99 MK 0.98 NL 1.15 OV 0.92 ! PT 0.95 SC 0.95 ! ! ! Fit before self-cal, rms=0.056851Jy sigma=1.296078 ! Fit after self-cal, rms=0.055741Jy sigma=1.275193 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.057 mas, bmaj=1.108 mas, bpa=22.42 degrees ! Estimated noise=0.182513 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 = -0.000540845 Jy ! Component: 100 - total flux cleaned = -0.000599896 Jy ! Component: 150 - total flux cleaned = -0.000698633 Jy ! Component: 200 - total flux cleaned = -0.000762021 Jy ! Total flux subtracted in 200 components = -0.000762021 Jy ! Clean residual min=-0.001007 max=0.001067 Jy/beam ! Clean residual mean=-0.000001 rms=0.000249 Jy/beam ! Combined flux in latest and established models = 0.125033 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 30 components and 0.125033 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=0.055703Jy sigma=1.274371 ! Fit after self-cal, rms=0.055726Jy sigma=1.273984 ! 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=0.055726Jy sigma=1.273984 ! Fit after self-cal, rms=0.055970Jy sigma=1.270579 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.055 mas, bmaj=1.105 mas, bpa=22.2 degrees ! Estimated noise=0.182647 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.37458e-05 Jy ! Component: 100 - total flux cleaned = -2.40872e-05 Jy ! Component: 150 - total flux cleaned = -0.000107757 Jy ! Component: 200 - total flux cleaned = -0.000123697 Jy ! Total flux subtracted in 200 components = -0.000123697 Jy ! Clean residual min=-0.000984 max=0.000988 Jy/beam ! Clean residual mean=0.000001 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.124909 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 34 components and 0.124909 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=0.055957Jy sigma=1.270299 ! Fit after self-cal, rms=0.055956Jy sigma=1.270129 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 = -4.63453e-05 Jy ! Component: 100 - total flux cleaned = -9.15562e-05 Jy ! Component: 150 - total flux cleaned = -0.000105645 Jy ! Component: 200 - total flux cleaned = -0.000132384 Jy ! Total flux subtracted in 200 components = -0.000132384 Jy ! Clean residual min=-0.000963 max=0.000977 Jy/beam ! Clean residual mean=0.000001 rms=0.000224 Jy/beam ! Combined flux in latest and established models = 0.124777 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 35 components and 0.124777 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=0.055949Jy sigma=1.269974 ! Fit after self-cal, rms=0.055948Jy sigma=1.269957 ! 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=0.055948Jy sigma=1.269957 ! Fit after self-cal, rms=0.055907Jy sigma=1.269913 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.055 mas, bmaj=1.102 mas, bpa=20.81 degrees ! Estimated noise=0.182602 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000144704 Jy ! Component: 100 - total flux cleaned = 8.67835e-05 Jy ! Component: 150 - total flux cleaned = 4.81059e-05 Jy ! Component: 200 - total flux cleaned = 3.58396e-05 Jy ! Total flux subtracted in 200 components = 3.58396e-05 Jy ! Clean residual min=-0.000976 max=0.000991 Jy/beam ! Clean residual mean=0.000001 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.124813 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 37 components and 0.124813 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=0.055900Jy sigma=1.269761 ! Fit after self-cal, rms=0.055899Jy sigma=1.269745 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 = -1.53095e-05 Jy ! Component: 100 - total flux cleaned = -5.15316e-05 Jy ! Component: 150 - total flux cleaned = -7.34023e-05 Jy ! Component: 200 - total flux cleaned = -8.36081e-05 Jy ! Total flux subtracted in 200 components = -8.36081e-05 Jy ! Clean residual min=-0.000963 max=0.000986 Jy/beam ! Clean residual mean=0.000001 rms=0.000221 Jy/beam ! Combined flux in latest and established models = 0.124729 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 38 components and 0.124729 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=0.055894Jy sigma=1.269645 ! Fit after self-cal, rms=0.055894Jy sigma=1.269632 ! Inverting map ! Added new window around map position (18, -18). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000683986 Jy ! Component: 100 - total flux cleaned = 0.000769258 Jy ! Component: 150 - total flux cleaned = 0.000783805 Jy ! Component: 200 - total flux cleaned = 0.000784071 Jy ! Total flux subtracted in 200 components = 0.000784071 Jy ! Clean residual min=-0.000943 max=0.000894 Jy/beam ! Clean residual mean=0.000001 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.125513 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 52 components and 0.125513 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=0.055879Jy sigma=1.269292 ! Fit after self-cal, rms=0.055879Jy sigma=1.269274 ! 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=0.055879Jy sigma=1.269274 ! Fit after self-cal, rms=0.055853Jy sigma=1.269241 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.289 mas, bmaj=2.473 mas, bpa=68.44 degrees ! Estimated noise=0.239913 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.27658e-05 Jy ! Component: 100 - total flux cleaned = 8.92079e-05 Jy ! Component: 150 - total flux cleaned = 0.000109026 Jy ! Component: 200 - total flux cleaned = 0.000126326 Jy ! Total flux subtracted in 200 components = 0.000126326 Jy ! Clean residual min=-0.001050 max=0.001008 Jy/beam ! Clean residual mean=0.000003 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.125639 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 61 components and 0.125639 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=0.055851Jy sigma=1.269203 ! Fit after self-cal, rms=0.055852Jy sigma=1.269201 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.688e-06 Jy ! Component: 100 - total flux cleaned = 1.44498e-06 Jy ! Component: 150 - total flux cleaned = -3.23713e-06 Jy ! Component: 200 - total flux cleaned = -3.31873e-06 Jy ! Total flux subtracted in 200 components = -3.31873e-06 Jy ! Clean residual min=-0.001044 max=0.001010 Jy/beam ! Clean residual mean=0.000003 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.125636 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 64 components and 0.125636 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=0.055851Jy sigma=1.269192 ! Fit after self-cal, rms=0.055851Jy sigma=1.269192 ! 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=1.055 mas, bmaj=1.099 mas, bpa=19.23 degrees ! Estimated noise=0.182534 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.055 x 1.099 at 19.23 degrees (North through East) ! Clean map min=-0.00085005 max=0.09644 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=0.8214 mas, bmaj=0.8547 mas, bpa=60.34 degrees ! Estimated noise=0.367665 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0734937 Jy ! Component: 100 - total flux cleaned = 0.0986003 Jy ! Component: 150 - total flux cleaned = 0.109969 Jy ! Component: 200 - total flux cleaned = 0.116111 Jy ! Total flux subtracted in 200 components = 0.116111 Jy ! Clean residual min=-0.002250 max=0.003043 Jy/beam ! Clean residual mean=-0.000003 rms=0.000480 Jy/beam ! Combined flux in latest and established models = 0.116111 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.116111 Jy ! Inverting map and beam ! Estimated beam: bmin=1.055 mas, bmaj=1.099 mas, bpa=19.23 degrees ! Estimated noise=0.182534 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 = 0.0036633 Jy ! Component: 100 - total flux cleaned = 0.00571658 Jy ! Component: 150 - total flux cleaned = 0.00704696 Jy ! Component: 200 - total flux cleaned = 0.0078983 Jy ! Total flux subtracted in 200 components = 0.0078983 Jy ! Clean residual min=-0.000907 max=0.000941 Jy/beam ! Clean residual mean=-0.000000 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.124009 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 25 components and 0.124009 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=2.289 mas, bmaj=2.473 mas, bpa=68.44 degrees ! Estimated noise=0.239913 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00083393 Jy ! Component: 100 - total flux cleaned = 0.00107496 Jy ! Component: 150 - total flux cleaned = 0.00123042 Jy ! Component: 200 - total flux cleaned = 0.00134088 Jy ! Total flux subtracted in 200 components = 0.00134088 Jy ! Clean residual min=-0.001032 max=0.001002 Jy/beam ! Clean residual mean=0.000002 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.12535 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 = 4.95793e-05 Jy ! Component: 100 - total flux cleaned = 5.57483e-05 Jy ! Component: 150 - total flux cleaned = 6.68901e-05 Jy ! Component: 200 - total flux cleaned = 8.15237e-05 Jy ! Total flux subtracted in 200 components = 8.15237e-05 Jy ! Clean residual min=-0.001035 max=0.001004 Jy/beam ! Clean residual mean=0.000002 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.125432 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 45 components and 0.125432 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.055 mas, bmaj=1.099 mas, bpa=19.23 degrees ! Estimated noise=0.182534 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000134926 Jy ! Component: 100 - total flux cleaned = -0.000113043 Jy ! Component: 150 - total flux cleaned = -9.41718e-05 Jy ! Component: 200 - total flux cleaned = -0.000111174 Jy ! Total flux subtracted in 200 components = -0.000111174 Jy ! Clean residual min=-0.000919 max=0.000903 Jy/beam ! Clean residual mean=0.000001 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.125321 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 52 components and 0.125321 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=0.055857Jy sigma=1.269320 ! Fit after self-cal, rms=0.055855Jy sigma=1.269269 wmodel J0751+6840_X_map.mod ! Writing 52 model components to file: J0751+6840_X_map.mod wobs J0751+6840_X_uvs.fits ! Writing UV FITS file: J0751+6840_X_uvs.fits wwins J0751+6840_X_map.win ! wwins: Wrote 3 windows to J0751+6840_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 = -4.994e-05 Jy ! Component: 100 - total flux cleaned = -9.73545e-05 Jy ! Component: 150 - total flux cleaned = -0.000159082 Jy ! Component: 200 - total flux cleaned = -0.00021902 Jy ! Component: 250 - total flux cleaned = -0.000292334 Jy ! Component: 300 - total flux cleaned = -0.00034976 Jy ! Component: 350 - total flux cleaned = -0.000363872 Jy ! Component: 400 - total flux cleaned = -0.000418787 Jy ! Component: 450 - total flux cleaned = -0.000445552 Jy ! Component: 500 - total flux cleaned = -0.000471812 Jy ! Component: 550 - total flux cleaned = -0.000510976 Jy ! Component: 600 - total flux cleaned = -0.00054983 Jy ! Component: 650 - total flux cleaned = -0.000587986 Jy ! Component: 700 - total flux cleaned = -0.000638274 Jy ! Component: 750 - total flux cleaned = -0.000675438 Jy ! Component: 800 - total flux cleaned = -0.000736537 Jy ! Component: 850 - total flux cleaned = -0.000760651 Jy ! Component: 900 - total flux cleaned = -0.000772693 Jy ! Component: 950 - total flux cleaned = -0.000843555 Jy ! Component: 1000 - total flux cleaned = -0.000820241 Jy ! Component: 1050 - total flux cleaned = -0.000924497 Jy ! Component: 1100 - total flux cleaned = -0.000935955 Jy ! Component: 1150 - total flux cleaned = -0.000981348 Jy ! Component: 1200 - total flux cleaned = -0.00104882 Jy ! Component: 1250 - total flux cleaned = -0.00112674 Jy ! Component: 1300 - total flux cleaned = -0.00118187 Jy ! Component: 1350 - total flux cleaned = -0.00125848 Jy ! Component: 1400 - total flux cleaned = -0.00136677 Jy ! Component: 1450 - total flux cleaned = -0.00139902 Jy ! Component: 1500 - total flux cleaned = -0.00147342 Jy ! Component: 1550 - total flux cleaned = -0.00153675 Jy ! Component: 1600 - total flux cleaned = -0.00163077 Jy ! Component: 1650 - total flux cleaned = -0.0016308 Jy ! Component: 1700 - total flux cleaned = -0.00169262 Jy ! Component: 1750 - total flux cleaned = -0.00173359 Jy ! Component: 1800 - total flux cleaned = -0.00178426 Jy ! Component: 1850 - total flux cleaned = -0.00181428 Jy ! Component: 1900 - total flux cleaned = -0.00180446 Jy ! Component: 1950 - total flux cleaned = -0.00184415 Jy ! Component: 2000 - total flux cleaned = -0.00189338 Jy ! Component: 2050 - total flux cleaned = -0.00188367 Jy ! Component: 2100 - total flux cleaned = -0.00190319 Jy ! Component: 2150 - total flux cleaned = -0.00187429 Jy ! Component: 2200 - total flux cleaned = -0.00188387 Jy ! Component: 2250 - total flux cleaned = -0.00193153 Jy ! Component: 2300 - total flux cleaned = -0.00189375 Jy ! Component: 2350 - total flux cleaned = -0.00187499 Jy ! Component: 2400 - total flux cleaned = -0.001847 Jy ! Component: 2450 - total flux cleaned = -0.0018748 Jy ! Component: 2500 - total flux cleaned = -0.00190245 Jy ! Component: 2550 - total flux cleaned = -0.0018841 Jy ! Component: 2600 - total flux cleaned = -0.0018568 Jy ! Component: 2650 - total flux cleaned = -0.00186585 Jy ! Component: 2700 - total flux cleaned = -0.00188387 Jy ! Component: 2750 - total flux cleaned = -0.00187496 Jy ! Component: 2800 - total flux cleaned = -0.00191047 Jy ! Component: 2850 - total flux cleaned = -0.00187518 Jy ! Component: 2900 - total flux cleaned = -0.00189285 Jy ! Component: 2950 - total flux cleaned = -0.00192788 Jy ! Component: 3000 - total flux cleaned = -0.0019713 Jy ! Component: 3050 - total flux cleaned = -0.00191931 Jy ! Component: 3100 - total flux cleaned = -0.00192799 Jy ! Component: 3150 - total flux cleaned = -0.00193656 Jy ! Component: 3200 - total flux cleaned = -0.00193654 Jy ! Component: 3250 - total flux cleaned = -0.00192801 Jy ! Component: 3300 - total flux cleaned = -0.00191103 Jy ! Component: 3350 - total flux cleaned = -0.00192786 Jy ! Component: 3400 - total flux cleaned = -0.00188603 Jy ! Component: 3450 - total flux cleaned = -0.00186111 Jy ! Component: 3500 - total flux cleaned = -0.00185289 Jy ! Component: 3550 - total flux cleaned = -0.00189407 Jy ! Component: 3600 - total flux cleaned = -0.00186944 Jy ! Component: 3650 - total flux cleaned = -0.0018449 Jy ! Component: 3700 - total flux cleaned = -0.00182867 Jy ! Component: 3750 - total flux cleaned = -0.00180447 Jy ! Component: 3800 - total flux cleaned = -0.00182861 Jy ! Component: 3850 - total flux cleaned = -0.00178049 Jy ! Component: 3900 - total flux cleaned = -0.00179643 Jy ! Component: 3950 - total flux cleaned = -0.00181235 Jy ! Component: 4000 - total flux cleaned = -0.00174908 Jy ! Component: 4050 - total flux cleaned = -0.00176486 Jy ! Total flux subtracted in 4096 components = -0.00172569 Jy ! Clean residual min=-0.000508 max=0.000467 Jy/beam ! Clean residual mean=0.000001 rms=0.000130 Jy/beam ! Combined flux in latest and established models = 0.123595 Jy keep ! Adding 338 model components to the UV plane model. ! The established model now contains 390 components and 0.123595 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0751+6840_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.055 x 1.099 at 19.23 degrees (North through East) ! Clean map min=-0.00061861 max=0.096368 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0751+6840_X_map.fits wmodel /vlbi/uf001/uva//J0751+6840_X_map.mod ! Writing 390 model components to file: /vlbi/uf001/uva//J0751+6840_X_map.mod wobs /vlbi/uf001/uva//J0751+6840_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0751+6840_X_uvs.fits wwins /vlbi/uf001/uva//J0751+6840_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J0751+6840_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0963681 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00012998 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.404636 0.404636 0.809272 1.61854 3.23709 6.47418 12.9484 25.8967 51.7934 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.096 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 741.406 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0751+6840_X_dfm.log closed on Sun Jan 13 23:40:49 2019