! Started logfile: /vlbi/uf001/uva//J0920-2956_X_dfm.log on Mon Jan 14 00:24:00 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//J0920-2956_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0920-2956_X_uva.fits ! AN table 1: 38 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.980117 visibilities/baseline/integration-bin. ! Found source: J0920-2956 ! ! 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 20112 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 J0920-2956_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 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 3 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.040008Jy sigma=20.684269 ! Fit after self-cal, rms=0.752922Jy sigma=14.674207 ! 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=0.612 mas, bmaj=1.611 mas, bpa=-8.859 degrees ! Estimated noise=0.478244 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 = 0.173597 Jy ! Component: 100 - total flux cleaned = 0.228661 Jy ! Total flux subtracted in 100 components = 0.228661 Jy ! Clean residual min=-0.014745 max=0.032075 Jy/beam ! Clean residual mean=-0.000038 rms=0.003786 Jy/beam ! Combined flux in latest and established models = 0.228661 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.228661 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=0.123774Jy sigma=2.431994 ! Fit after self-cal, rms=0.123739Jy sigma=2.431158 ! Inverting map ! Added new window around map position (1, -2.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0314683 Jy ! Component: 100 - total flux cleaned = 0.0503184 Jy ! Total flux subtracted in 100 components = 0.0503184 Jy ! Clean residual min=-0.013320 max=0.028213 Jy/beam ! Clean residual mean=-0.000028 rms=0.003078 Jy/beam ! Combined flux in latest and established models = 0.27898 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 21 components and 0.278979 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=0.108391Jy sigma=2.068779 ! Fit after self-cal, rms=0.107925Jy sigma=2.055010 ! Inverting map ! Added new window around map position (-1.4, -1.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0262212 Jy ! Component: 100 - total flux cleaned = 0.0428944 Jy ! Total flux subtracted in 100 components = 0.0428944 Jy ! Clean residual min=-0.011942 max=0.020299 Jy/beam ! Clean residual mean=-0.000022 rms=0.002513 Jy/beam ! Combined flux in latest and established models = 0.321874 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 31 components and 0.321874 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=0.095378Jy sigma=1.782920 ! Fit after self-cal, rms=0.094844Jy sigma=1.773569 ! Inverting map ! Added new window around map position (-3.2, 1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0188488 Jy ! Component: 100 - total flux cleaned = 0.032024 Jy ! Total flux subtracted in 100 components = 0.032024 Jy ! Clean residual min=-0.009098 max=0.013623 Jy/beam ! Clean residual mean=-0.000022 rms=0.002056 Jy/beam ! Combined flux in latest and established models = 0.353898 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 41 components and 0.353898 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=0.087938Jy sigma=1.625488 ! Fit after self-cal, rms=0.087709Jy sigma=1.620868 ! 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=0.8002 mas, bmaj=2.044 mas, bpa=-7.415 degrees ! Estimated noise=0.25951 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 (-0.8, 0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0229412 Jy ! Component: 100 - total flux cleaned = 0.0380757 Jy ! Component: 150 - total flux cleaned = 0.0493729 Jy ! Component: 200 - total flux cleaned = 0.0580815 Jy ! Total flux subtracted in 200 components = 0.0580815 Jy ! Clean residual min=-0.008037 max=0.011055 Jy/beam ! Clean residual mean=-0.000026 rms=0.002238 Jy/beam ! Combined flux in latest and established models = 0.411979 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 70 components and 0.411979 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=0.080439Jy sigma=1.450951 ! Fit after self-cal, rms=0.080175Jy sigma=1.445003 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8002 x 2.044 at -7.415 degrees (North through East) ! Clean map min=-0.0077936 max=0.23255 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.01 HN 1.08 KP 0.95 ! LA 0.99 MK 1.05 NL 1.17 OV 0.92 ! PT 0.94 SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.01 HN 1.09 KP 0.96 ! LA 1.00 MK 1.05 NL 1.16 OV 0.91 ! PT 0.94 SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.01 HN 1.06 KP 0.96 ! LA 0.97 MK 1.03 NL 1.14 OV 0.92 ! PT 0.94 SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 1.05 KP 0.96 ! LA 1.00 MK 1.05 NL 1.16 OV 0.92 ! PT 0.93 SC 1.00 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.99 HN 1.07 KP 0.96 ! LA 0.99 MK 0.99 NL 1.15 OV 0.90 ! PT 0.93 SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 1.07 KP 0.96 ! LA 0.99 MK 1.01 NL 1.14 OV 0.91 ! PT 0.93 SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 1.05 KP 0.95 ! LA 0.98 MK 0.95 NL 1.14 OV 0.90 ! PT 0.94 SC 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 1.06 KP 0.94 ! LA 0.98 MK 1.01 NL 1.12 OV 0.90 ! PT 0.95 SC 0.98 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 1.06 KP 0.94 ! LA 0.97 MK 0.95 NL 1.13 OV 0.90 ! PT 0.95 SC 1.01 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 0.99 HN 1.06 KP 0.95 ! LA 0.96 MK 0.95 NL 1.15 OV 0.90 ! PT 0.90 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.99 HN 1.06 KP 0.96 ! LA 0.97 MK 0.97 NL 1.14 OV 0.89 ! PT 0.92 SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 1.07 KP 0.93 ! LA 0.96 MK 0.92 NL 1.11 OV 0.90 ! PT 0.91 SC 0.99 ! ! ! Fit before self-cal, rms=0.080175Jy sigma=1.445003 ! Fit after self-cal, rms=0.077577Jy sigma=1.342968 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8036 mas, bmaj=2.05 mas, bpa=-7.265 degrees ! Estimated noise=0.257984 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 (-3, 4.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00108573 Jy ! Component: 100 - total flux cleaned = 0.00058694 Jy ! Component: 150 - total flux cleaned = 0.000313624 Jy ! Component: 200 - total flux cleaned = 0.000315039 Jy ! Total flux subtracted in 200 components = 0.000315039 Jy ! Clean residual min=-0.005410 max=0.004920 Jy/beam ! Clean residual mean=-0.000005 rms=0.001137 Jy/beam ! Combined flux in latest and established models = 0.412294 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 96 components and 0.412294 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=0.076837Jy sigma=1.328344 ! Fit after self-cal, rms=0.076881Jy sigma=1.327527 ! 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=0.076881Jy sigma=1.327527 ! Fit after self-cal, rms=0.076928Jy sigma=1.309098 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8044 mas, bmaj=2.053 mas, bpa=-7.012 degrees ! Estimated noise=0.257474 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00224045 Jy ! Component: 100 - total flux cleaned = -0.0024646 Jy ! Component: 150 - total flux cleaned = -0.00256464 Jy ! Component: 200 - total flux cleaned = -0.00265962 Jy ! Total flux subtracted in 200 components = -0.00265962 Jy ! Clean residual min=-0.004719 max=0.003262 Jy/beam ! Clean residual mean=-0.000003 rms=0.000868 Jy/beam ! Combined flux in latest and established models = 0.409635 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 104 components and 0.409635 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=0.076600Jy sigma=1.302986 ! Fit after self-cal, rms=0.076574Jy sigma=1.302620 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 = -0.000159436 Jy ! Component: 100 - total flux cleaned = -0.000159921 Jy ! Component: 150 - total flux cleaned = -0.000235445 Jy ! Component: 200 - total flux cleaned = -0.000378072 Jy ! Total flux subtracted in 200 components = -0.000378072 Jy ! Clean residual min=-0.004405 max=0.003033 Jy/beam ! Clean residual mean=-0.000003 rms=0.000832 Jy/beam ! Combined flux in latest and established models = 0.409257 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 114 components and 0.409257 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=0.076407Jy sigma=1.299513 ! Fit after self-cal, rms=0.076380Jy sigma=1.299293 ! 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=0.076380Jy sigma=1.299293 ! Fit after self-cal, rms=0.077243Jy sigma=1.295252 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8047 mas, bmaj=2.053 mas, bpa=-6.789 degrees ! Estimated noise=0.257128 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.0024959 Jy ! Component: 100 - total flux cleaned = -0.00274153 Jy ! Component: 150 - total flux cleaned = -0.00281375 Jy ! Component: 200 - total flux cleaned = -0.00287839 Jy ! Total flux subtracted in 200 components = -0.00287839 Jy ! Clean residual min=-0.004168 max=0.002806 Jy/beam ! Clean residual mean=-0.000002 rms=0.000725 Jy/beam ! Combined flux in latest and established models = 0.406378 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 122 components and 0.406378 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=0.077068Jy sigma=1.291794 ! Fit after self-cal, rms=0.077042Jy sigma=1.291487 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 = -0.000237637 Jy ! Component: 100 - total flux cleaned = -0.000239239 Jy ! Component: 150 - total flux cleaned = -0.00029589 Jy ! Component: 200 - total flux cleaned = -0.000348138 Jy ! Total flux subtracted in 200 components = -0.000348138 Jy ! Clean residual min=-0.003774 max=0.002730 Jy/beam ! Clean residual mean=-0.000002 rms=0.000696 Jy/beam ! Combined flux in latest and established models = 0.40603 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 132 components and 0.40603 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=0.076951Jy sigma=1.289654 ! Fit after self-cal, rms=0.076928Jy sigma=1.289468 ! 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=0.076928Jy sigma=1.289468 ! Fit after self-cal, rms=0.077448Jy sigma=1.288776 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.269 mas, bmaj=5.726 mas, bpa=-2.215 degrees ! Estimated noise=0.33171 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00219873 Jy ! Component: 100 - total flux cleaned = -0.00227054 Jy ! Component: 150 - total flux cleaned = -0.00216738 Jy ! Component: 200 - total flux cleaned = -0.00207708 Jy ! Total flux subtracted in 200 components = -0.00207708 Jy ! Clean residual min=-0.003901 max=0.003404 Jy/beam ! Clean residual mean=-0.000003 rms=0.000878 Jy/beam ! Combined flux in latest and established models = 0.403953 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 140 components and 0.403953 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=0.077415Jy sigma=1.287999 ! Fit after self-cal, rms=0.077393Jy sigma=1.287485 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 = -0.000169106 Jy ! Component: 100 - total flux cleaned = -0.000118284 Jy ! Component: 150 - total flux cleaned = -2.79174e-05 Jy ! Component: 200 - total flux cleaned = 5.19191e-05 Jy ! Total flux subtracted in 200 components = 5.19191e-05 Jy ! Clean residual min=-0.003662 max=0.003280 Jy/beam ! Clean residual mean=-0.000003 rms=0.000850 Jy/beam ! Combined flux in latest and established models = 0.404005 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 141 components and 0.404005 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=0.077379Jy sigma=1.287201 ! Fit after self-cal, rms=0.077361Jy sigma=1.287014 ! 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=0.8049 mas, bmaj=2.053 mas, bpa=-6.648 degrees ! Estimated noise=0.256831 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8049 x 2.053 at -6.648 degrees (North through East) ! Clean map min=-0.0036717 max=0.2325 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=0.6136 mas, bmaj=1.608 mas, bpa=-7.845 degrees ! Estimated noise=0.477417 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.172258 Jy ! Component: 100 - total flux cleaned = 0.228297 Jy ! Component: 150 - total flux cleaned = 0.262224 Jy ! Component: 200 - total flux cleaned = 0.286207 Jy ! Total flux subtracted in 200 components = 0.286207 Jy ! Clean residual min=-0.007855 max=0.014015 Jy/beam ! Clean residual mean=-0.000016 rms=0.002188 Jy/beam ! Combined flux in latest and established models = 0.286208 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 24 model components to the UV plane model. ! The established model now contains 24 components and 0.286208 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8049 mas, bmaj=2.053 mas, bpa=-6.648 degrees ! Estimated noise=0.256831 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 = 0.0369313 Jy ! Component: 100 - total flux cleaned = 0.0600182 Jy ! Component: 150 - total flux cleaned = 0.0758107 Jy ! Component: 200 - total flux cleaned = 0.0871583 Jy ! Total flux subtracted in 200 components = 0.0871583 Jy ! Clean residual min=-0.004394 max=0.007441 Jy/beam ! Clean residual mean=-0.000009 rms=0.001263 Jy/beam ! Combined flux in latest and established models = 0.373366 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 73 components and 0.373366 Jy ! Inverting map ! Added new window around map position (0.8, 1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00860457 Jy ! Component: 100 - total flux cleaned = 0.0149249 Jy ! Component: 150 - total flux cleaned = 0.0196595 Jy ! Component: 200 - total flux cleaned = 0.0232187 Jy ! Total flux subtracted in 200 components = 0.0232187 Jy ! Clean residual min=-0.003531 max=0.003635 Jy/beam ! Clean residual mean=-0.000004 rms=0.000713 Jy/beam ! Combined flux in latest and established models = 0.396585 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 98 components and 0.396585 Jy ! Inverting map ! Added new window around map position (-1.6, -4.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00330997 Jy ! Component: 100 - total flux cleaned = 0.0046 Jy ! Component: 150 - total flux cleaned = 0.00510778 Jy ! Component: 200 - total flux cleaned = 0.00548946 Jy ! Total flux subtracted in 200 components = 0.00548946 Jy ! Clean residual min=-0.003122 max=0.002516 Jy/beam ! Clean residual mean=-0.000002 rms=0.000621 Jy/beam ! Combined flux in latest and established models = 0.402074 Jy ! Adding 30 model components to the UV plane model. ! The established model now contains 118 components and 0.402074 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=2.269 mas, bmaj=5.726 mas, bpa=-2.215 degrees ! Estimated noise=0.33171 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00221688 Jy ! Component: 100 - total flux cleaned = 0.0026356 Jy ! Component: 150 - total flux cleaned = 0.00272689 Jy ! Component: 200 - total flux cleaned = 0.002729 Jy ! Total flux subtracted in 200 components = 0.002729 Jy ! Clean residual min=-0.003352 max=0.002999 Jy/beam ! Clean residual mean=-0.000003 rms=0.000812 Jy/beam ! Combined flux in latest and established models = 0.404803 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.3007e-05 Jy ! Component: 100 - total flux cleaned = -0.00010862 Jy ! Component: 150 - total flux cleaned = -0.000142371 Jy ! Component: 200 - total flux cleaned = -0.000142664 Jy ! Total flux subtracted in 200 components = -0.000142664 Jy ! Clean residual min=-0.003217 max=0.002928 Jy/beam ! Clean residual mean=-0.000003 rms=0.000799 Jy/beam ! Combined flux in latest and established models = 0.40466 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 140 components and 0.40466 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8049 mas, bmaj=2.053 mas, bpa=-6.648 degrees ! Estimated noise=0.256831 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00099597 Jy ! Component: 100 - total flux cleaned = -0.00117329 Jy ! Component: 150 - total flux cleaned = -0.00122289 Jy ! Component: 200 - total flux cleaned = -0.00112429 Jy ! Total flux subtracted in 200 components = -0.00112429 Jy ! Clean residual min=-0.002920 max=0.002207 Jy/beam ! Clean residual mean=-0.000002 rms=0.000572 Jy/beam ! Combined flux in latest and established models = 0.403536 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 162 components and 0.403536 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=0.077202Jy sigma=1.282981 ! Fit after self-cal, rms=0.077102Jy sigma=1.281803 wmodel J0920-2956_X_map.mod ! Writing 162 model components to file: J0920-2956_X_map.mod wobs J0920-2956_X_uvs.fits ! Writing UV FITS file: J0920-2956_X_uvs.fits wwins J0920-2956_X_map.win ! wwins: Wrote 8 windows to J0920-2956_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = -0.00124999 Jy ! Component: 100 - total flux cleaned = -0.00176403 Jy ! Component: 150 - total flux cleaned = -0.00216586 Jy ! Component: 200 - total flux cleaned = -0.0025895 Jy ! Component: 250 - total flux cleaned = -0.00281186 Jy ! Component: 300 - total flux cleaned = -0.00309847 Jy ! Component: 350 - total flux cleaned = -0.00320293 Jy ! Component: 400 - total flux cleaned = -0.00330409 Jy ! Component: 450 - total flux cleaned = -0.00343563 Jy ! Component: 500 - total flux cleaned = -0.00362646 Jy ! Component: 550 - total flux cleaned = -0.00371928 Jy ! Component: 600 - total flux cleaned = -0.00381063 Jy ! Component: 650 - total flux cleaned = -0.00398777 Jy ! Component: 700 - total flux cleaned = -0.00404575 Jy ! Component: 750 - total flux cleaned = -0.00418679 Jy ! Component: 800 - total flux cleaned = -0.00429658 Jy ! Component: 850 - total flux cleaned = -0.00437742 Jy ! Component: 900 - total flux cleaned = -0.00453462 Jy ! Component: 950 - total flux cleaned = -0.00458564 Jy ! Component: 1000 - total flux cleaned = -0.00466117 Jy ! Component: 1050 - total flux cleaned = -0.00480963 Jy ! Component: 1100 - total flux cleaned = -0.00488214 Jy ! Component: 1150 - total flux cleaned = -0.00500135 Jy ! Component: 1200 - total flux cleaned = -0.0051416 Jy ! Component: 1250 - total flux cleaned = -0.00525647 Jy ! Component: 1300 - total flux cleaned = -0.00539253 Jy ! Component: 1350 - total flux cleaned = -0.00545956 Jy ! Component: 1400 - total flux cleaned = -0.00552603 Jy ! Component: 1450 - total flux cleaned = -0.00561274 Jy ! Component: 1500 - total flux cleaned = -0.00565622 Jy ! Component: 1550 - total flux cleaned = -0.00574114 Jy ! Component: 1600 - total flux cleaned = -0.00576182 Jy ! Component: 1650 - total flux cleaned = -0.00584461 Jy ! Component: 1700 - total flux cleaned = -0.00588541 Jy ! Component: 1750 - total flux cleaned = -0.00598587 Jy ! Component: 1800 - total flux cleaned = -0.00604514 Jy ! Component: 1850 - total flux cleaned = -0.00602569 Jy ! Component: 1900 - total flux cleaned = -0.00610361 Jy ! Component: 1950 - total flux cleaned = -0.00618078 Jy ! Component: 2000 - total flux cleaned = -0.00623803 Jy ! Component: 2050 - total flux cleaned = -0.00636933 Jy ! Component: 2100 - total flux cleaned = -0.00642473 Jy ! Component: 2150 - total flux cleaned = -0.00642489 Jy ! Component: 2200 - total flux cleaned = -0.00658806 Jy ! Component: 2250 - total flux cleaned = -0.00655221 Jy ! Component: 2300 - total flux cleaned = -0.0066057 Jy ! Component: 2350 - total flux cleaned = -0.00664095 Jy ! Component: 2400 - total flux cleaned = -0.00667592 Jy ! Component: 2450 - total flux cleaned = -0.00676207 Jy ! Component: 2500 - total flux cleaned = -0.00672795 Jy ! Component: 2550 - total flux cleaned = -0.00679584 Jy ! Component: 2600 - total flux cleaned = -0.00681265 Jy ! Component: 2650 - total flux cleaned = -0.00691216 Jy ! Component: 2700 - total flux cleaned = -0.00696113 Jy ! Component: 2750 - total flux cleaned = -0.00694474 Jy ! Component: 2800 - total flux cleaned = -0.00692862 Jy ! Component: 2850 - total flux cleaned = -0.00702453 Jy ! Component: 2900 - total flux cleaned = -0.00707188 Jy ! Component: 2950 - total flux cleaned = -0.00705603 Jy ! Component: 3000 - total flux cleaned = -0.00704053 Jy ! Component: 3050 - total flux cleaned = -0.00707109 Jy ! Component: 3100 - total flux cleaned = -0.007071 Jy ! Component: 3150 - total flux cleaned = -0.00704047 Jy ! Component: 3200 - total flux cleaned = -0.00702547 Jy ! Component: 3250 - total flux cleaned = -0.00707036 Jy ! Component: 3300 - total flux cleaned = -0.00715916 Jy ! Component: 3350 - total flux cleaned = -0.0071885 Jy ! Component: 3400 - total flux cleaned = -0.0071446 Jy ! Component: 3450 - total flux cleaned = -0.00715922 Jy ! Component: 3500 - total flux cleaned = -0.00718809 Jy ! Component: 3550 - total flux cleaned = -0.00725963 Jy ! Component: 3600 - total flux cleaned = -0.00731615 Jy ! Component: 3650 - total flux cleaned = -0.00728791 Jy ! Component: 3700 - total flux cleaned = -0.00735797 Jy ! Component: 3750 - total flux cleaned = -0.0073302 Jy ! Component: 3800 - total flux cleaned = -0.00739933 Jy ! Component: 3850 - total flux cleaned = -0.00739927 Jy ! Component: 3900 - total flux cleaned = -0.00745385 Jy ! Component: 3950 - total flux cleaned = -0.00749436 Jy ! Component: 4000 - total flux cleaned = -0.00752124 Jy ! Component: 4050 - total flux cleaned = -0.00756113 Jy ! Total flux subtracted in 4096 components = -0.0075479 Jy ! Clean residual min=-0.000710 max=0.000765 Jy/beam ! Clean residual mean=-0.000000 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.395988 Jy keep ! Adding 331 model components to the UV plane model. ! The established model now contains 493 components and 0.395988 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0920-2956_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8049 x 2.053 at -6.648 degrees (North through East) ! Clean map min=-0.0018394 max=0.23631 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0920-2956_X_map.fits wmodel /vlbi/uf001/uva//J0920-2956_X_map.mod ! Writing 493 model components to file: /vlbi/uf001/uva//J0920-2956_X_map.mod wobs /vlbi/uf001/uva//J0920-2956_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0920-2956_X_uvs.fits wwins /vlbi/uf001/uva//J0920-2956_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J0920-2956_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.23631 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000236962 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.300828 0.300828 0.601655 1.20331 2.40662 4.81324 9.62649 19.253 38.5059 77.0119 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0007 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.236 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 997.248 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0920-2956_X_dfm.log closed on Mon Jan 14 00:24:05 2019