! Started logfile: /vlbi/uf001/uva//J1956+2820_X_dfm.log on Mon Jan 14 05:17:48 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//J1956+2820_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1956+2820_X_uva.fits ! AN table 1: 101 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.649065 visibilities/baseline/integration-bin. ! Found source: J1956+2820 ! ! 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 28320 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 J1956+2820_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 205 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 205 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 205 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 205 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 205 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 205 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 205 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 205 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 205 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 205 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 205 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 205 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.027393Jy sigma=22.824958 ! Fit after self-cal, rms=0.826776Jy sigma=18.295891 ! 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=0.6867 mas, bmaj=1.366 mas, bpa=-6.188 degrees ! Estimated noise=0.389206 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 = 0.128579 Jy ! Component: 100 - total flux cleaned = 0.16499 Jy ! Total flux subtracted in 100 components = 0.16499 Jy ! Clean residual min=-0.019304 max=0.065838 Jy/beam ! Clean residual mean=0.000023 rms=0.004497 Jy/beam ! Combined flux in latest and established models = 0.164991 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.164991 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=0.123580Jy sigma=2.689302 ! Fit after self-cal, rms=0.123347Jy sigma=2.683188 ! Inverting map ! Added new window around map position (-1.6, -0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0576764 Jy ! Component: 100 - total flux cleaned = 0.0825594 Jy ! Total flux subtracted in 100 components = 0.0825594 Jy ! Clean residual min=-0.011022 max=0.019079 Jy/beam ! Clean residual mean=0.000014 rms=0.002633 Jy/beam ! Combined flux in latest and established models = 0.24755 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 16 components and 0.24755 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=0.087714Jy sigma=1.885353 ! Fit after self-cal, rms=0.081578Jy sigma=1.743393 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0232934 Jy ! Component: 100 - total flux cleaned = 0.037308 Jy ! Total flux subtracted in 100 components = 0.037308 Jy ! Clean residual min=-0.007273 max=0.008746 Jy/beam ! Clean residual mean=0.000010 rms=0.001719 Jy/beam ! Combined flux in latest and established models = 0.284858 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 21 components and 0.284858 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=0.071632Jy sigma=1.499302 ! Fit after self-cal, rms=0.071087Jy sigma=1.486706 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0111609 Jy ! Component: 100 - total flux cleaned = 0.0188473 Jy ! Total flux subtracted in 100 components = 0.0188473 Jy ! Clean residual min=-0.007049 max=0.008627 Jy/beam ! Clean residual mean=0.000008 rms=0.001502 Jy/beam ! Combined flux in latest and established models = 0.303705 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 26 components and 0.303705 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=0.068316Jy sigma=1.411694 ! Fit after self-cal, rms=0.068240Jy sigma=1.409771 ! 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=0.8643 mas, bmaj=1.616 mas, bpa=-4.27 degrees ! Estimated noise=0.193255 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 (-7, -1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0128314 Jy ! Component: 100 - total flux cleaned = 0.0219633 Jy ! Component: 150 - total flux cleaned = 0.0295106 Jy ! Component: 200 - total flux cleaned = 0.0358972 Jy ! Total flux subtracted in 200 components = 0.0358972 Jy ! Clean residual min=-0.007619 max=0.007973 Jy/beam ! Clean residual mean=0.000018 rms=0.001818 Jy/beam ! Combined flux in latest and established models = 0.339603 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 56 components and 0.339603 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=0.064813Jy sigma=1.326342 ! Fit after self-cal, rms=0.064624Jy sigma=1.322256 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8643 x 1.616 at -4.27 degrees (North through East) ! Clean map min=-0.0076577 max=0.17159 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 0.96 KP 1.10 LA 0.94 ! MK 1.01 NL 1.05 OV 0.87 PT 0.88 ! SC 0.96 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 0.96 KP 1.12 LA 0.94 ! MK 1.05 NL 1.07 OV 0.88 PT 0.89 ! SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 0.95 KP 1.11 LA 0.95 ! MK 1.01 NL 1.07 OV 0.89 PT 0.89 ! SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 0.97 KP 1.09 LA 0.96 ! MK 1.01 NL 1.07 OV 0.89 PT 0.90 ! SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 0.95 KP 1.12 LA 0.96 ! MK 1.05 NL 1.06 OV 0.88 PT 0.89 ! SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 0.98 KP 1.16 LA 0.95 ! MK 1.07 NL 1.07 OV 0.88 PT 0.89 ! SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 0.97 KP 1.14 LA 0.98 ! MK 1.05 NL 1.07 OV 0.89 PT 0.89 ! SC 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 0.97 KP 1.13 LA 0.97 ! MK 1.07 NL 1.08 OV 0.89 PT 0.89 ! SC 0.99 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 0.97 KP 1.15 LA 0.97 ! MK 1.03 NL 1.07 OV 0.89 PT 0.92 ! SC 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 0.96 KP 1.14 LA 0.98 ! MK 1.04 NL 1.07 OV 0.90 PT 0.91 ! SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 0.97 KP 1.16 LA 0.97 ! MK 1.11 NL 1.08 OV 0.90 PT 0.90 ! SC 1.00 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 1.00 KP 1.12 LA 0.98 ! MK 1.06 NL 1.06 OV 0.89 PT 0.89 ! SC 0.99 ! ! ! Fit before self-cal, rms=0.064624Jy sigma=1.322256 ! Fit after self-cal, rms=0.061195Jy sigma=1.221846 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8699 mas, bmaj=1.629 mas, bpa=-3.646 degrees ! Estimated noise=0.190376 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 = 0.00393109 Jy ! Component: 100 - total flux cleaned = 0.00502586 Jy ! Component: 150 - total flux cleaned = 0.00594795 Jy ! Component: 200 - total flux cleaned = 0.00657055 Jy ! Total flux subtracted in 200 components = 0.00657055 Jy ! Clean residual min=-0.004109 max=0.005102 Jy/beam ! Clean residual mean=0.000004 rms=0.001038 Jy/beam ! Combined flux in latest and established models = 0.346173 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 75 components and 0.346173 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=0.060607Jy sigma=1.208838 ! Fit after self-cal, rms=0.060652Jy sigma=1.207693 ! 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=0.060652Jy sigma=1.207693 ! Fit after self-cal, rms=0.060430Jy sigma=1.164008 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8693 mas, bmaj=1.622 mas, bpa=-3.186 degrees ! Estimated noise=0.190817 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00219291 Jy ! Component: 100 - total flux cleaned = 0.00273003 Jy ! Component: 150 - total flux cleaned = 0.00306091 Jy ! Component: 200 - total flux cleaned = 0.00323587 Jy ! Total flux subtracted in 200 components = 0.00323587 Jy ! Clean residual min=-0.002071 max=0.002785 Jy/beam ! Clean residual mean=0.000003 rms=0.000527 Jy/beam ! Combined flux in latest and established models = 0.349409 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 92 components and 0.349409 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=0.060259Jy sigma=1.160065 ! Fit after self-cal, rms=0.060300Jy sigma=1.159718 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 (-6.2, -6.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0027202 Jy ! Component: 100 - total flux cleaned = 0.00445623 Jy ! Component: 150 - total flux cleaned = 0.00581149 Jy ! Component: 200 - total flux cleaned = 0.00664694 Jy ! Total flux subtracted in 200 components = 0.00664694 Jy ! Clean residual min=-0.001796 max=0.002279 Jy/beam ! Clean residual mean=0.000002 rms=0.000456 Jy/beam ! Combined flux in latest and established models = 0.356056 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 110 components and 0.356056 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=0.060154Jy sigma=1.155460 ! Fit after self-cal, rms=0.060144Jy sigma=1.155285 ! Inverting map ! Added new window around map position (2.8, -7). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00197172 Jy ! Component: 100 - total flux cleaned = 0.00271984 Jy ! Component: 150 - total flux cleaned = 0.00339723 Jy ! Component: 200 - total flux cleaned = 0.00374594 Jy ! Total flux subtracted in 200 components = 0.00374594 Jy ! Clean residual min=-0.001680 max=0.002007 Jy/beam ! Clean residual mean=0.000002 rms=0.000416 Jy/beam ! Combined flux in latest and established models = 0.359802 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 124 components and 0.359802 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=0.060060Jy sigma=1.153029 ! Fit after self-cal, rms=0.060054Jy sigma=1.152893 ! Inverting map ! Added new window around map position (-9.6, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0018614 Jy ! Component: 100 - total flux cleaned = 0.0022618 Jy ! Component: 150 - total flux cleaned = 0.00268536 Jy ! Component: 200 - total flux cleaned = 0.00310276 Jy ! Total flux subtracted in 200 components = 0.00310276 Jy ! Clean residual min=-0.001461 max=0.001630 Jy/beam ! Clean residual mean=0.000001 rms=0.000376 Jy/beam ! Combined flux in latest and established models = 0.362905 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 150 components and 0.362905 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=0.059960Jy sigma=1.150929 ! Fit after self-cal, rms=0.059951Jy sigma=1.150749 ! Inverting map ! Added new window around map position (-11.6, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00149646 Jy ! Component: 100 - total flux cleaned = 0.00222185 Jy ! Component: 150 - total flux cleaned = 0.00268642 Jy ! Component: 200 - total flux cleaned = 0.00308321 Jy ! Total flux subtracted in 200 components = 0.00308321 Jy ! Clean residual min=-0.001373 max=0.001577 Jy/beam ! Clean residual mean=0.000001 rms=0.000344 Jy/beam ! Combined flux in latest and established models = 0.365988 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 169 components and 0.365988 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=0.059896Jy sigma=1.149314 ! Fit after self-cal, rms=0.059890Jy sigma=1.149244 ! Inverting map ! Added new window around map position (-5, -1). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00153966 Jy ! Component: 100 - total flux cleaned = 0.00202708 Jy ! Component: 150 - total flux cleaned = 0.00234546 Jy ! Component: 200 - total flux cleaned = 0.00250834 Jy ! Total flux subtracted in 200 components = 0.00250834 Jy ! Clean residual min=-0.001269 max=0.001304 Jy/beam ! Clean residual mean=0.000001 rms=0.000312 Jy/beam ! Combined flux in latest and established models = 0.368496 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 189 components and 0.368496 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=0.059831Jy sigma=1.147870 ! Fit after self-cal, rms=0.059828Jy sigma=1.147817 ! 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=0.059828Jy sigma=1.147817 ! Fit after self-cal, rms=0.059844Jy sigma=1.147108 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8678 mas, bmaj=1.622 mas, bpa=-3.184 degrees ! Estimated noise=0.190818 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000623985 Jy ! Component: 100 - total flux cleaned = 0.000897333 Jy ! Component: 150 - total flux cleaned = 0.00111552 Jy ! Component: 200 - total flux cleaned = 0.00128787 Jy ! Total flux subtracted in 200 components = 0.00128787 Jy ! Clean residual min=-0.001189 max=0.001167 Jy/beam ! Clean residual mean=0.000000 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.369784 Jy selfcal ! Performing phase self-cal ! Adding 36 model components to the UV plane model. ! The established model now contains 201 components and 0.369784 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=1.146314 ! Fit after self-cal, rms=0.059809Jy sigma=1.146295 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 = 0.000203987 Jy ! Component: 100 - total flux cleaned = 0.000362189 Jy ! Component: 150 - total flux cleaned = 0.00043635 Jy ! Component: 200 - total flux cleaned = 0.000555241 Jy ! Total flux subtracted in 200 components = 0.000555241 Jy ! Clean residual min=-0.001134 max=0.001100 Jy/beam ! Clean residual mean=0.000000 rms=0.000264 Jy/beam ! Combined flux in latest and established models = 0.37034 Jy ! Performing phase self-cal ! Adding 50 model components to the UV plane model. ! The established model now contains 210 components and 0.370339 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=0.059788Jy sigma=1.145848 ! Fit after self-cal, rms=0.059788Jy sigma=1.145843 ! 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=0.059788Jy sigma=1.145843 ! Fit after self-cal, rms=0.059800Jy sigma=1.145697 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.926 mas, bmaj=2.644 mas, bpa=-0.6158 degrees ! Estimated noise=0.249956 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000612127 Jy ! Component: 100 - total flux cleaned = 0.00102485 Jy ! Component: 150 - total flux cleaned = 0.00134885 Jy ! Component: 200 - total flux cleaned = 0.00165593 Jy ! Total flux subtracted in 200 components = 0.00165593 Jy ! Clean residual min=-0.001050 max=0.001330 Jy/beam ! Clean residual mean=-0.000000 rms=0.000306 Jy/beam ! Combined flux in latest and established models = 0.371995 Jy selfcal ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 238 components and 0.371995 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=0.059788Jy sigma=1.145342 ! Fit after self-cal, rms=0.059785Jy sigma=1.145314 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 (-20.8, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108638 Jy ! Component: 100 - total flux cleaned = 0.00138337 Jy ! Component: 150 - total flux cleaned = 0.00154263 Jy ! Component: 200 - total flux cleaned = 0.00156167 Jy ! Total flux subtracted in 200 components = 0.00156167 Jy ! Clean residual min=-0.000956 max=0.000997 Jy/beam ! Clean residual mean=0.000000 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.373557 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 268 components and 0.373557 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=0.059768Jy sigma=1.144876 ! Fit after self-cal, rms=0.059767Jy sigma=1.144850 ! 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=0.8675 mas, bmaj=1.622 mas, bpa=-3.183 degrees ! Estimated noise=0.190833 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8675 x 1.622 at -3.183 degrees (North through East) ! Clean map min=-0.0010071 max=0.16839 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=0.6902 mas, bmaj=1.366 mas, bpa=-4.858 degrees ! Estimated noise=0.383193 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.134034 Jy ! Component: 100 - total flux cleaned = 0.192589 Jy ! Component: 150 - total flux cleaned = 0.227759 Jy ! Component: 200 - total flux cleaned = 0.251888 Jy ! Total flux subtracted in 200 components = 0.251888 Jy ! Clean residual min=-0.007127 max=0.013219 Jy/beam ! Clean residual mean=0.000009 rms=0.001671 Jy/beam ! Combined flux in latest and established models = 0.251888 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 15 model components to the UV plane model. ! The established model now contains 15 components and 0.251888 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8675 mas, bmaj=1.622 mas, bpa=-3.183 degrees ! Estimated noise=0.190833 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 = 0.0252657 Jy ! Component: 100 - total flux cleaned = 0.0411158 Jy ! Component: 150 - total flux cleaned = 0.0525715 Jy ! Component: 200 - total flux cleaned = 0.061162 Jy ! Total flux subtracted in 200 components = 0.061162 Jy ! Clean residual min=-0.003584 max=0.004991 Jy/beam ! Clean residual mean=0.000009 rms=0.001024 Jy/beam ! Combined flux in latest and established models = 0.31305 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 33 components and 0.31305 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00666327 Jy ! Component: 100 - total flux cleaned = 0.0120983 Jy ! Component: 150 - total flux cleaned = 0.0167291 Jy ! Component: 200 - total flux cleaned = 0.0207275 Jy ! Total flux subtracted in 200 components = 0.0207275 Jy ! Clean residual min=-0.002471 max=0.002788 Jy/beam ! Clean residual mean=0.000005 rms=0.000664 Jy/beam ! Combined flux in latest and established models = 0.333777 Jy ! Adding 39 model components to the UV plane model. ! The established model now contains 60 components and 0.333777 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.926 mas, bmaj=2.644 mas, bpa=-0.6158 degrees ! Estimated noise=0.249956 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00666328 Jy ! Component: 100 - total flux cleaned = 0.0116227 Jy ! Component: 150 - total flux cleaned = 0.0156214 Jy ! Component: 200 - total flux cleaned = 0.0189517 Jy ! Total flux subtracted in 200 components = 0.0189517 Jy ! Clean residual min=-0.002562 max=0.002452 Jy/beam ! Clean residual mean=0.000006 rms=0.000742 Jy/beam ! Combined flux in latest and established models = 0.352729 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 = 0.00280397 Jy ! Component: 100 - total flux cleaned = 0.00518975 Jy ! Component: 150 - total flux cleaned = 0.00723321 Jy ! Component: 200 - total flux cleaned = 0.00899398 Jy ! Total flux subtracted in 200 components = 0.00899398 Jy ! Clean residual min=-0.001727 max=0.001739 Jy/beam ! Clean residual mean=0.000003 rms=0.000487 Jy/beam ! Combined flux in latest and established models = 0.361723 Jy ! Adding 115 model components to the UV plane model. ! The established model now contains 158 components and 0.361723 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8675 mas, bmaj=1.622 mas, bpa=-3.183 degrees ! Estimated noise=0.190833 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00148492 Jy ! Component: 100 - total flux cleaned = 0.00233886 Jy ! Component: 150 - total flux cleaned = 0.00300202 Jy ! Component: 200 - total flux cleaned = 0.00375994 Jy ! Total flux subtracted in 200 components = 0.00375994 Jy ! Clean residual min=-0.001489 max=0.001289 Jy/beam ! Clean residual mean=0.000001 rms=0.000300 Jy/beam ! Combined flux in latest and established models = 0.365483 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 187 components and 0.365483 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=0.059878Jy sigma=1.147741 ! Fit after self-cal, rms=0.059860Jy sigma=1.147306 wmodel J1956+2820_X_map.mod ! Writing 187 model components to file: J1956+2820_X_map.mod wobs J1956+2820_X_uvs.fits ! Writing UV FITS file: J1956+2820_X_uvs.fits wwins J1956+2820_X_map.win ! wwins: Wrote 9 windows to J1956+2820_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 = 7.44371e-05 Jy ! Component: 100 - total flux cleaned = -3.72819e-05 Jy ! Component: 150 - total flux cleaned = -0.000228774 Jy ! Component: 200 - total flux cleaned = -0.000290189 Jy ! Component: 250 - total flux cleaned = -0.000349245 Jy ! Component: 300 - total flux cleaned = -0.000368295 Jy ! Component: 350 - total flux cleaned = -0.000405565 Jy ! Component: 400 - total flux cleaned = -0.000459285 Jy ! Component: 450 - total flux cleaned = -0.00044154 Jy ! Component: 500 - total flux cleaned = -0.000475704 Jy ! Component: 550 - total flux cleaned = -0.000458879 Jy ! Component: 600 - total flux cleaned = -0.000557933 Jy ! Component: 650 - total flux cleaned = -0.000525154 Jy ! Component: 700 - total flux cleaned = -0.000621128 Jy ! Component: 750 - total flux cleaned = -0.000683832 Jy ! Component: 800 - total flux cleaned = -0.000729815 Jy ! Component: 850 - total flux cleaned = -0.00082065 Jy ! Component: 900 - total flux cleaned = -0.000850772 Jy ! Component: 950 - total flux cleaned = -0.000894998 Jy ! Component: 1000 - total flux cleaned = -0.000996212 Jy ! Component: 1050 - total flux cleaned = -0.00101036 Jy ! Component: 1100 - total flux cleaned = -0.001123 Jy ! Component: 1150 - total flux cleaned = -0.0011782 Jy ! Component: 1200 - total flux cleaned = -0.00124674 Jy ! Component: 1250 - total flux cleaned = -0.00128712 Jy ! Component: 1300 - total flux cleaned = -0.00127371 Jy ! Component: 1350 - total flux cleaned = -0.00130053 Jy ! Component: 1400 - total flux cleaned = -0.00136571 Jy ! Component: 1450 - total flux cleaned = -0.0013785 Jy ! Component: 1500 - total flux cleaned = -0.00144218 Jy ! Component: 1550 - total flux cleaned = -0.00144229 Jy ! Component: 1600 - total flux cleaned = -0.00147976 Jy ! Component: 1650 - total flux cleaned = -0.00154132 Jy ! Component: 1700 - total flux cleaned = -0.00156567 Jy ! Component: 1750 - total flux cleaned = -0.00161402 Jy ! Component: 1800 - total flux cleaned = -0.00168576 Jy ! Component: 1850 - total flux cleaned = -0.0017093 Jy ! Component: 1900 - total flux cleaned = -0.00176803 Jy ! Component: 1950 - total flux cleaned = -0.00180297 Jy ! Component: 2000 - total flux cleaned = -0.00186075 Jy ! Component: 2050 - total flux cleaned = -0.00188361 Jy ! Component: 2100 - total flux cleaned = -0.00189499 Jy ! Component: 2150 - total flux cleaned = -0.00196218 Jy ! Component: 2200 - total flux cleaned = -0.00194004 Jy ! Component: 2250 - total flux cleaned = -0.00199525 Jy ! Component: 2300 - total flux cleaned = -0.00202803 Jy ! Component: 2350 - total flux cleaned = -0.00210371 Jy ! Component: 2400 - total flux cleaned = -0.0021037 Jy ! Component: 2450 - total flux cleaned = -0.00211436 Jy ! Component: 2500 - total flux cleaned = -0.00213545 Jy ! Component: 2550 - total flux cleaned = -0.00216696 Jy ! Component: 2600 - total flux cleaned = -0.00222909 Jy ! Component: 2650 - total flux cleaned = -0.00225995 Jy ! Component: 2700 - total flux cleaned = -0.00229066 Jy ! Component: 2750 - total flux cleaned = -0.00230082 Jy ! Component: 2800 - total flux cleaned = -0.00234103 Jy ! Component: 2850 - total flux cleaned = -0.00237096 Jy ! Component: 2900 - total flux cleaned = -0.00240063 Jy ! Component: 2950 - total flux cleaned = -0.00243014 Jy ! Component: 3000 - total flux cleaned = -0.00253739 Jy ! Component: 3050 - total flux cleaned = -0.00255669 Jy ! Component: 3100 - total flux cleaned = -0.00259505 Jy ! Component: 3150 - total flux cleaned = -0.00263338 Jy ! Component: 3200 - total flux cleaned = -0.00269013 Jy ! Component: 3250 - total flux cleaned = -0.00272771 Jy ! Component: 3300 - total flux cleaned = -0.00279315 Jy ! Component: 3350 - total flux cleaned = -0.00285815 Jy ! Component: 3400 - total flux cleaned = -0.00285813 Jy ! Component: 3450 - total flux cleaned = -0.00289481 Jy ! Component: 3500 - total flux cleaned = -0.00295853 Jy ! Component: 3550 - total flux cleaned = -0.00300373 Jy ! Component: 3600 - total flux cleaned = -0.00303969 Jy ! Component: 3650 - total flux cleaned = -0.00309329 Jy ! Component: 3700 - total flux cleaned = -0.00308445 Jy ! Component: 3750 - total flux cleaned = -0.00312866 Jy ! Component: 3800 - total flux cleaned = -0.00315495 Jy ! Component: 3850 - total flux cleaned = -0.00323335 Jy ! Component: 3900 - total flux cleaned = -0.00326801 Jy ! Component: 3950 - total flux cleaned = -0.00330246 Jy ! Component: 4000 - total flux cleaned = -0.00332816 Jy ! Component: 4050 - total flux cleaned = -0.00336206 Jy ! Total flux subtracted in 4096 components = -0.00340428 Jy ! Clean residual min=-0.000499 max=0.000541 Jy/beam ! Clean residual mean=0.000000 rms=0.000145 Jy/beam ! Combined flux in latest and established models = 0.362079 Jy keep ! Adding 331 model components to the UV plane model. ! The established model now contains 518 components and 0.362079 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1956+2820_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8675 x 1.622 at -3.183 degrees (North through East) ! Clean map min=-0.00076081 max=0.16879 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1956+2820_X_map.fits wmodel /vlbi/uf001/uva//J1956+2820_X_map.mod ! Writing 518 model components to file: /vlbi/uf001/uva//J1956+2820_X_map.mod wobs /vlbi/uf001/uva//J1956+2820_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1956+2820_X_uvs.fits wwins /vlbi/uf001/uva//J1956+2820_X_map.win ! wwins: Wrote 10 windows to /vlbi/uf001/uva//J1956+2820_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.168788 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000144229 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.25635 0.25635 0.512699 1.0254 2.0508 4.10159 8.20319 16.4064 32.8127 65.6255 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.168 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1170.28 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1956+2820_X_dfm.log closed on Mon Jan 14 05:17:55 2019