! Started logfile: /vlbi/uf001/uva//J1751-1950_X_b_dfm.log on Mon Jan 14 04:22:03 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//J1751-1950_X_b_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1751-1950_X_b_uva.fits ! AN table 1: 74 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.996622 visibilities/baseline/integration-bin. ! Found source: J1751-1950 ! ! 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 24780 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 J1751-1950_X_b] 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 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 16 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.005517Jy sigma=20.448357 ! Fit after self-cal, rms=0.936506Jy sigma=18.972387 ! 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=0.6696 mas, bmaj=3.103 mas, bpa=-19.35 degrees ! Estimated noise=0.578111 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 = 0.0459865 Jy ! Component: 100 - total flux cleaned = 0.0597487 Jy ! Total flux subtracted in 100 components = 0.0597487 Jy ! Clean residual min=-0.004443 max=0.006281 Jy/beam ! Clean residual mean=-0.000009 rms=0.001108 Jy/beam ! Combined flux in latest and established models = 0.0597488 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0597488 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=0.075520Jy sigma=1.272869 ! Fit after self-cal, rms=0.074846Jy sigma=1.261034 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00771691 Jy ! Component: 100 - total flux cleaned = 0.0118002 Jy ! Total flux subtracted in 100 components = 0.0118002 Jy ! Clean residual min=-0.003714 max=0.003684 Jy/beam ! Clean residual mean=-0.000005 rms=0.000902 Jy/beam ! Combined flux in latest and established models = 0.0715489 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 16 components and 0.0715489 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=0.073735Jy sigma=1.227784 ! Fit after self-cal, rms=0.073729Jy sigma=1.227249 ! 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=0.8983 mas, bmaj=3.431 mas, bpa=-17.31 degrees ! Estimated noise=0.231756 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 = 0.00485317 Jy ! Component: 100 - total flux cleaned = 0.00724884 Jy ! Component: 150 - total flux cleaned = 0.0081804 Jy ! Component: 200 - total flux cleaned = 0.0085014 Jy ! Total flux subtracted in 200 components = 0.0085014 Jy ! Clean residual min=-0.002936 max=0.003014 Jy/beam ! Clean residual mean=0.000000 rms=0.000674 Jy/beam ! Combined flux in latest and established models = 0.0800503 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 32 components and 0.0800503 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=0.073501Jy sigma=1.218465 ! Fit after self-cal, rms=0.073504Jy sigma=1.218298 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8983 x 3.431 at -17.31 degrees (North through East) ! Clean map min=-0.0028959 max=0.066111 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.95 HN 1.07 KP 1.02 ! LA 1.03 MK 1.05 NL 1.10 OV 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HN 1.09 KP 1.02 ! LA 1.02 MK 1.01 NL 1.07 OV 0.87 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.01 HN 1.07 KP 1.03 ! LA 0.99 MK 1.01 NL 1.07 OV 0.90 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.98 HN 1.07 KP 0.99 ! LA 1.02 MK 1.07 NL 1.10 OV 0.88 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 HN 1.09 KP 1.02 ! LA 0.96 MK 1.11 NL 1.10 OV 0.91 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 1.05 KP 1.06 ! LA 1.00 MK 1.05 NL 1.09 OV 0.86 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 1.08 KP 1.02 ! LA 1.03 MK 1.06 NL 1.08 OV 0.90 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.99 HN 1.07 KP 1.08 ! LA 1.02 MK 1.04 NL 1.08 OV 0.84 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.95 HN 1.02 KP 1.03 ! LA 1.03 MK 0.96 NL 1.16 OV 0.90 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 0.98 HN 1.09 KP 1.04 ! LA 0.99 MK 1.04 NL 1.04 OV 0.91 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.96 HN 0.98 KP 1.02 ! LA 1.03 MK 1.02 NL 1.08 OV 0.89 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 0.95 HN 1.06 KP 1.04 ! LA 1.04 MK 1.03 NL 1.08 OV 0.83 ! ! ! Fit before self-cal, rms=0.073504Jy sigma=1.218298 ! Fit after self-cal, rms=0.073783Jy sigma=1.210889 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.917 mas, bmaj=3.403 mas, bpa=-17.2 degrees ! Estimated noise=0.231599 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 = -0.00128928 Jy ! Component: 100 - total flux cleaned = -0.00138848 Jy ! Component: 150 - total flux cleaned = -0.00138866 Jy ! Component: 200 - total flux cleaned = -0.00138882 Jy ! Total flux subtracted in 200 components = -0.00138882 Jy ! Clean residual min=-0.001571 max=0.002074 Jy/beam ! Clean residual mean=-0.000000 rms=0.000409 Jy/beam ! Combined flux in latest and established models = 0.0786615 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 44 components and 0.0786615 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=0.073740Jy sigma=1.210456 ! Fit after self-cal, rms=0.073849Jy sigma=1.209916 ! 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=0.073849Jy sigma=1.209916 ! Fit after self-cal, rms=0.078996Jy sigma=1.206958 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9146 mas, bmaj=3.42 mas, bpa=-17.51 degrees ! Estimated noise=0.230958 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000297912 Jy ! Component: 100 - total flux cleaned = 0.00031152 Jy ! Component: 150 - total flux cleaned = 0.000334252 Jy ! Component: 200 - total flux cleaned = 0.000343864 Jy ! Total flux subtracted in 200 components = 0.000343864 Jy ! Clean residual min=-0.001382 max=0.001668 Jy/beam ! Clean residual mean=-0.000000 rms=0.000325 Jy/beam ! Combined flux in latest and established models = 0.0790054 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 54 components and 0.0790054 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=0.078989Jy sigma=1.206892 ! Fit after self-cal, rms=0.079102Jy sigma=1.206729 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 (-2, -4.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00142331 Jy ! Component: 100 - total flux cleaned = 0.00199783 Jy ! Component: 150 - total flux cleaned = 0.00212077 Jy ! Component: 200 - total flux cleaned = 0.00221851 Jy ! Total flux subtracted in 200 components = 0.00221851 Jy ! Clean residual min=-0.001185 max=0.001353 Jy/beam ! Clean residual mean=0.000000 rms=0.000289 Jy/beam ! Combined flux in latest and established models = 0.0812239 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 70 components and 0.0812239 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=0.079067Jy sigma=1.206147 ! Fit after self-cal, rms=0.079049Jy sigma=1.206017 ! Inverting map ! Added new window around map position (32.6, 6.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000940599 Jy ! Component: 100 - total flux cleaned = 0.000833543 Jy ! Component: 150 - total flux cleaned = 0.00076608 Jy ! Component: 200 - total flux cleaned = 0.00076599 Jy ! Total flux subtracted in 200 components = 0.00076599 Jy ! Clean residual min=-0.001144 max=0.001190 Jy/beam ! Clean residual mean=0.000000 rms=0.000268 Jy/beam ! Combined flux in latest and established models = 0.0819899 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 85 components and 0.0819899 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=0.079013Jy sigma=1.205626 ! Fit after self-cal, rms=0.079000Jy sigma=1.205542 ! 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=0.079000Jy sigma=1.205542 ! Fit after self-cal, rms=0.078453Jy sigma=1.205416 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9122 mas, bmaj=3.416 mas, bpa=-17.51 degrees ! Estimated noise=0.230122 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000365626 Jy ! Component: 100 - total flux cleaned = 0.000387019 Jy ! Component: 150 - total flux cleaned = 0.000405038 Jy ! Component: 200 - total flux cleaned = 0.00038799 Jy ! Total flux subtracted in 200 components = 0.00038799 Jy ! Clean residual min=-0.001148 max=0.001164 Jy/beam ! Clean residual mean=-0.000000 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.0823779 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 97 components and 0.0823779 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=0.078435Jy sigma=1.205262 ! Fit after self-cal, rms=0.078414Jy sigma=1.205234 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 = 0.000109028 Jy ! Component: 100 - total flux cleaned = 0.000109004 Jy ! Component: 150 - total flux cleaned = 0.00013939 Jy ! Component: 200 - total flux cleaned = 0.000168444 Jy ! Total flux subtracted in 200 components = 0.000168444 Jy ! Clean residual min=-0.001111 max=0.001155 Jy/beam ! Clean residual mean=-0.000000 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.0825463 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 104 components and 0.0825463 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=0.078403Jy sigma=1.205149 ! Fit after self-cal, rms=0.078401Jy sigma=1.205140 ! Inverting map ! Added new window around map position (-13.2, -46.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000590092 Jy ! Component: 100 - total flux cleaned = 0.000515931 Jy ! Component: 150 - total flux cleaned = 0.000433663 Jy ! Component: 200 - total flux cleaned = 0.000450662 Jy ! Total flux subtracted in 200 components = 0.000450662 Jy ! Clean residual min=-0.001076 max=0.000936 Jy/beam ! Clean residual mean=0.000000 rms=0.000235 Jy/beam ! Combined flux in latest and established models = 0.082997 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 125 components and 0.082997 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=0.078375Jy sigma=1.204755 ! Fit after self-cal, rms=0.078372Jy sigma=1.204687 ! 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=0.078372Jy sigma=1.204687 ! Fit after self-cal, rms=0.077916Jy sigma=1.204625 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.138 mas, bmaj=4.857 mas, bpa=-1.07 degrees ! Estimated noise=0.274432 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00033834 Jy ! Component: 100 - total flux cleaned = 0.000520994 Jy ! Component: 150 - total flux cleaned = 0.000509064 Jy ! Component: 200 - total flux cleaned = 0.000400678 Jy ! Total flux subtracted in 200 components = 0.000400678 Jy ! Clean residual min=-0.001004 max=0.000939 Jy/beam ! Clean residual mean=-0.000000 rms=0.000260 Jy/beam ! Combined flux in latest and established models = 0.0833976 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 149 components and 0.0833976 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=0.077910Jy sigma=1.204514 ! Fit after self-cal, rms=0.077906Jy sigma=1.204435 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 = 0.000188327 Jy ! Component: 100 - total flux cleaned = 6.77393e-05 Jy ! Component: 150 - total flux cleaned = -1.91915e-05 Jy ! Component: 200 - total flux cleaned = -8.97194e-05 Jy ! Total flux subtracted in 200 components = -8.97194e-05 Jy ! Clean residual min=-0.000997 max=0.000918 Jy/beam ! Clean residual mean=-0.000000 rms=0.000248 Jy/beam ! Combined flux in latest and established models = 0.0833079 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 163 components and 0.0833079 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=0.077903Jy sigma=1.204401 ! Fit after self-cal, rms=0.077907Jy sigma=1.204393 ! 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=0.9127 mas, bmaj=3.413 mas, bpa=-17.48 degrees ! Estimated noise=0.229801 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9127 x 3.413 at -17.48 degrees (North through East) ! Clean map min=-0.00094798 max=0.066121 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=0.679 mas, bmaj=3.111 mas, bpa=-19.56 degrees ! Estimated noise=0.580533 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0461414 Jy ! Component: 100 - total flux cleaned = 0.060038 Jy ! Component: 150 - total flux cleaned = 0.0670953 Jy ! Component: 200 - total flux cleaned = 0.0712587 Jy ! Total flux subtracted in 200 components = 0.0712587 Jy ! Clean residual min=-0.003364 max=0.002916 Jy/beam ! Clean residual mean=-0.000005 rms=0.000825 Jy/beam ! Combined flux in latest and established models = 0.0712587 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 0.0712587 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9127 mas, bmaj=3.413 mas, bpa=-17.48 degrees ! Estimated noise=0.229801 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 = 0.00497143 Jy ! Component: 100 - total flux cleaned = 0.00756956 Jy ! Component: 150 - total flux cleaned = 0.00941818 Jy ! Component: 200 - total flux cleaned = 0.010809 Jy ! Total flux subtracted in 200 components = 0.010809 Jy ! Clean residual min=-0.001645 max=0.001106 Jy/beam ! Clean residual mean=-0.000001 rms=0.000307 Jy/beam ! Combined flux in latest and established models = 0.0820677 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 45 components and 0.0820677 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=2.138 mas, bmaj=4.857 mas, bpa=-1.07 degrees ! Estimated noise=0.274432 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0012456 Jy ! Component: 100 - total flux cleaned = 0.00187523 Jy ! Component: 150 - total flux cleaned = 0.00223497 Jy ! Component: 200 - total flux cleaned = 0.00236635 Jy ! Total flux subtracted in 200 components = 0.00236635 Jy ! Clean residual min=-0.001048 max=0.001096 Jy/beam ! Clean residual mean=0.000001 rms=0.000295 Jy/beam ! Combined flux in latest and established models = 0.0844341 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 = 2.42607e-05 Jy ! Component: 100 - total flux cleaned = -3.86329e-05 Jy ! Component: 150 - total flux cleaned = -0.000115751 Jy ! Component: 200 - total flux cleaned = -0.000169305 Jy ! Total flux subtracted in 200 components = -0.000169305 Jy ! Clean residual min=-0.001022 max=0.000980 Jy/beam ! Clean residual mean=0.000001 rms=0.000270 Jy/beam ! Combined flux in latest and established models = 0.0842647 Jy ! Adding 68 model components to the UV plane model. ! The established model now contains 105 components and 0.0842647 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9127 mas, bmaj=3.413 mas, bpa=-17.48 degrees ! Estimated noise=0.229801 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000272775 Jy ! Component: 100 - total flux cleaned = -0.000332545 Jy ! Component: 150 - total flux cleaned = -0.000304766 Jy ! Component: 200 - total flux cleaned = -0.0002546 Jy ! Total flux subtracted in 200 components = -0.0002546 Jy ! Clean residual min=-0.001082 max=0.000925 Jy/beam ! Clean residual mean=0.000000 rms=0.000240 Jy/beam ! Combined flux in latest and established models = 0.0840101 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 126 components and 0.0840101 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=0.077936Jy sigma=1.204788 ! Fit after self-cal, rms=0.077937Jy sigma=1.204715 wmodel J1751-1950_X_b_map.mod ! Writing 126 model components to file: J1751-1950_X_b_map.mod wobs J1751-1950_X_b_uvs.fits ! Writing UV FITS file: J1751-1950_X_b_uvs.fits wwins J1751-1950_X_b_map.win ! wwins: Wrote 4 windows to J1751-1950_X_b_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 = -0.000335543 Jy ! Component: 100 - total flux cleaned = -0.000436772 Jy ! Component: 150 - total flux cleaned = -0.000436848 Jy ! Component: 200 - total flux cleaned = -0.000452308 Jy ! Component: 250 - total flux cleaned = -0.000452593 Jy ! Component: 300 - total flux cleaned = -0.000396849 Jy ! Component: 350 - total flux cleaned = -0.000356345 Jy ! Component: 400 - total flux cleaned = -0.000343633 Jy ! Component: 450 - total flux cleaned = -0.000343791 Jy ! Component: 500 - total flux cleaned = -0.000344193 Jy ! Component: 550 - total flux cleaned = -0.000381764 Jy ! Component: 600 - total flux cleaned = -0.000369603 Jy ! Component: 650 - total flux cleaned = -0.000357793 Jy ! Component: 700 - total flux cleaned = -0.000345767 Jy ! Component: 750 - total flux cleaned = -0.000333938 Jy ! Component: 800 - total flux cleaned = -0.000322332 Jy ! Component: 850 - total flux cleaned = -0.000344721 Jy ! Component: 900 - total flux cleaned = -0.000300561 Jy ! Component: 950 - total flux cleaned = -0.000355153 Jy ! Component: 1000 - total flux cleaned = -0.000311836 Jy ! Component: 1050 - total flux cleaned = -0.000333081 Jy ! Component: 1100 - total flux cleaned = -0.000291015 Jy ! Component: 1150 - total flux cleaned = -0.000301448 Jy ! Component: 1200 - total flux cleaned = -0.0002809 Jy ! Component: 1250 - total flux cleaned = -0.000240292 Jy ! Component: 1300 - total flux cleaned = -0.000230173 Jy ! Component: 1350 - total flux cleaned = -0.000220209 Jy ! Component: 1400 - total flux cleaned = -0.000210463 Jy ! Component: 1450 - total flux cleaned = -0.000191215 Jy ! Component: 1500 - total flux cleaned = -0.000210387 Jy ! Component: 1550 - total flux cleaned = -0.000200752 Jy ! Component: 1600 - total flux cleaned = -0.000200556 Jy ! Component: 1650 - total flux cleaned = -0.000153953 Jy ! Component: 1700 - total flux cleaned = -0.000153913 Jy ! Component: 1750 - total flux cleaned = -0.000153947 Jy ! Component: 1800 - total flux cleaned = -0.000135882 Jy ! Component: 1850 - total flux cleaned = -0.000144802 Jy ! Component: 1900 - total flux cleaned = -0.000100412 Jy ! Component: 1950 - total flux cleaned = -0.000100467 Jy ! Component: 2000 - total flux cleaned = -0.000117984 Jy ! Component: 2050 - total flux cleaned = -8.33342e-05 Jy ! Component: 2100 - total flux cleaned = -9.18756e-05 Jy ! Component: 2150 - total flux cleaned = -8.32839e-05 Jy ! Component: 2200 - total flux cleaned = -4.968e-05 Jy ! Component: 2250 - total flux cleaned = -6.64246e-05 Jy ! Component: 2300 - total flux cleaned = -3.32445e-05 Jy ! Component: 2350 - total flux cleaned = -5.78726e-05 Jy ! Component: 2400 - total flux cleaned = -3.33927e-05 Jy ! Component: 2450 - total flux cleaned = -3.35095e-05 Jy ! Component: 2500 - total flux cleaned = -1.34273e-06 Jy ! Component: 2550 - total flux cleaned = -1.34937e-06 Jy ! Component: 2600 - total flux cleaned = 3.03371e-05 Jy ! Component: 2650 - total flux cleaned = 3.81217e-05 Jy ! Component: 2700 - total flux cleaned = 2.24971e-05 Jy ! Component: 2750 - total flux cleaned = 4.57294e-05 Jy ! Component: 2800 - total flux cleaned = 7.65074e-05 Jy ! Component: 2850 - total flux cleaned = 9.93862e-05 Jy ! Component: 2900 - total flux cleaned = 9.94001e-05 Jy ! Component: 2950 - total flux cleaned = 9.18052e-05 Jy ! Component: 3000 - total flux cleaned = 9.18347e-05 Jy ! Component: 3050 - total flux cleaned = 9.18996e-05 Jy ! Component: 3100 - total flux cleaned = 9.18611e-05 Jy ! Component: 3150 - total flux cleaned = 9.1816e-05 Jy ! Component: 3200 - total flux cleaned = 9.18379e-05 Jy ! Component: 3250 - total flux cleaned = 0.000120778 Jy ! Component: 3300 - total flux cleaned = 7.02388e-05 Jy ! Component: 3350 - total flux cleaned = 7.02392e-05 Jy ! Component: 3400 - total flux cleaned = 7.02776e-05 Jy ! Component: 3450 - total flux cleaned = 3.49356e-05 Jy ! Component: 3500 - total flux cleaned = 4.89219e-05 Jy ! Component: 3550 - total flux cleaned = 2.79377e-05 Jy ! Component: 3600 - total flux cleaned = 1.63609e-07 Jy ! Component: 3650 - total flux cleaned = -6.74639e-06 Jy ! Component: 3700 - total flux cleaned = 1.32861e-07 Jy ! Component: 3750 - total flux cleaned = 1.30486e-07 Jy ! Component: 3800 - total flux cleaned = -2.7016e-05 Jy ! Component: 3850 - total flux cleaned = -2.70111e-05 Jy ! Component: 3900 - total flux cleaned = -2.70434e-05 Jy ! Component: 3950 - total flux cleaned = -6.03929e-05 Jy ! Component: 4000 - total flux cleaned = -8.02867e-05 Jy ! Component: 4050 - total flux cleaned = -7.36837e-05 Jy ! Total flux subtracted in 4096 components = -8.02372e-05 Jy ! Clean residual min=-0.000418 max=0.000364 Jy/beam ! Clean residual mean=-0.000000 rms=0.000115 Jy/beam ! Combined flux in latest and established models = 0.0839299 Jy keep ! Adding 286 model components to the UV plane model. ! The established model now contains 411 components and 0.0839298 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1751-1950_X_b_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9127 x 3.413 at -17.48 degrees (North through East) ! Clean map min=-0.00072028 max=0.065664 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1751-1950_X_b_map.fits wmodel /vlbi/uf001/uva//J1751-1950_X_b_map.mod ! Writing 411 model components to file: /vlbi/uf001/uva//J1751-1950_X_b_map.mod wobs /vlbi/uf001/uva//J1751-1950_X_b_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1751-1950_X_b_uvs.fits wwins /vlbi/uf001/uva//J1751-1950_X_b_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J1751-1950_X_b_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0656639 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00011375 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.519692 0.519692 1.03938 2.07877 4.15754 8.31507 16.6301 33.2603 66.5206 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.065 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 577.265 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1751-1950_X_b_dfm.log closed on Mon Jan 14 04:22:09 2019