! Started logfile: /vlbi/uf001/uva//J1920+2651_X_dfm.log on Mon Jan 14 05:00:54 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//J1920+2651_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1920+2651_X_uva.fits ! AN table 1: 87 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.864368 visibilities/baseline/integration-bin. ! Found source: J1920+2651 ! ! 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 40608 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 J1920+2651_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 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 86 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.007556Jy sigma=23.996460 ! Fit after self-cal, rms=0.905518Jy sigma=21.497094 ! 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=0.7147 mas, bmaj=1.512 mas, bpa=-13.93 degrees ! Estimated noise=0.283712 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 = 0.0692418 Jy ! Component: 100 - total flux cleaned = 0.0956704 Jy ! Total flux subtracted in 100 components = 0.0956704 Jy ! Clean residual min=-0.004583 max=0.012983 Jy/beam ! Clean residual mean=0.000006 rms=0.001193 Jy/beam ! Combined flux in latest and established models = 0.0956704 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0956704 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=0.061920Jy sigma=1.441491 ! Fit after self-cal, rms=0.061544Jy sigma=1.433135 ! Inverting map ! Added new window around map position (-0.2, 1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0152548 Jy ! Component: 100 - total flux cleaned = 0.024018 Jy ! Total flux subtracted in 100 components = 0.024018 Jy ! Clean residual min=-0.003144 max=0.005054 Jy/beam ! Clean residual mean=0.000003 rms=0.000756 Jy/beam ! Combined flux in latest and established models = 0.119688 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 25 components and 0.119688 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=0.056284Jy sigma=1.295577 ! Fit after self-cal, rms=0.056190Jy sigma=1.293490 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00651484 Jy ! Component: 100 - total flux cleaned = 0.0109518 Jy ! Total flux subtracted in 100 components = 0.0109518 Jy ! Clean residual min=-0.002485 max=0.004846 Jy/beam ! Clean residual mean=0.000002 rms=0.000621 Jy/beam ! Combined flux in latest and established models = 0.13064 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 36 components and 0.13064 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=0.054939Jy sigma=1.259215 ! Fit after self-cal, rms=0.054900Jy sigma=1.258452 ! Inverting map ! Added new window around map position (1.2, 2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0046133 Jy ! Component: 100 - total flux cleaned = 0.00779946 Jy ! Total flux subtracted in 100 components = 0.00779946 Jy ! Clean residual min=-0.002207 max=0.002459 Jy/beam ! Clean residual mean=0.000001 rms=0.000538 Jy/beam ! Combined flux in latest and established models = 0.13844 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 47 components and 0.13844 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=0.054255Jy sigma=1.240243 ! Fit after self-cal, rms=0.054234Jy sigma=1.239665 ! 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=0.9264 mas, bmaj=1.779 mas, bpa=-12.17 degrees ! Estimated noise=0.151836 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 = 0.00493183 Jy ! Component: 100 - total flux cleaned = 0.00835569 Jy ! Component: 150 - total flux cleaned = 0.0109404 Jy ! Component: 200 - total flux cleaned = 0.0129263 Jy ! Total flux subtracted in 200 components = 0.0129263 Jy ! Clean residual min=-0.002149 max=0.002624 Jy/beam ! Clean residual mean=-0.000001 rms=0.000510 Jy/beam ! Combined flux in latest and established models = 0.151366 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 80 components and 0.151366 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=0.053715Jy sigma=1.224018 ! Fit after self-cal, rms=0.053697Jy sigma=1.223507 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9264 x 1.779 at -12.17 degrees (North through East) ! Clean map min=-0.0020135 max=0.093661 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 1.00 KP 1.03 ! LA 0.97 MK 1.00 NL 1.10 OV 0.91 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 0.98 KP 1.02 ! LA 0.97 MK 1.04 NL 1.10 OV 0.91 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 1.01 KP 1.01 ! LA 1.01 MK 1.02 NL 1.10 OV 0.89 ! PT 0.91 SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.97 KP 1.03 ! LA 0.96 MK 1.04 NL 1.08 OV 0.93 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 1.02 KP 1.03 ! LA 0.99 MK 0.99 NL 1.08 OV 0.91 ! PT 0.96 SC 1.00 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.99 HN 1.01 KP 1.03 ! LA 0.99 MK 1.05 NL 1.09 OV 0.93 ! PT 0.92 SC 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.00 HN 0.96 KP 1.07 ! LA 0.96 MK 1.01 NL 1.08 OV 0.94 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.02 HN 0.97 KP 1.06 ! LA 0.97 MK 1.04 NL 1.11 OV 0.90 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 1.00 HN 0.99 KP 1.06 ! LA 0.98 MK 1.04 NL 1.11 OV 0.92 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.00 HN 0.99 KP 1.04 ! LA 0.98 MK 1.04 NL 1.13 OV 0.91 ! PT 0.94 SC 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 0.95 KP 1.04 ! LA 1.00 MK 0.98 NL 1.12 OV 0.90 ! PT 0.94 SC 1.01 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 HN 1.00 KP 1.02 ! LA 1.02 MK 1.01 NL 1.13 OV 0.91 ! PT 0.91 SC 1.00 ! ! ! Fit before self-cal, rms=0.053697Jy sigma=1.223507 ! Fit after self-cal, rms=0.053235Jy sigma=1.206713 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9285 mas, bmaj=1.789 mas, bpa=-11.71 degrees ! Estimated noise=0.151806 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 (8.8, 3.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000235638 Jy ! Component: 100 - total flux cleaned = 0.000169715 Jy ! Component: 150 - total flux cleaned = 0.000140103 Jy ! Component: 200 - total flux cleaned = 0.000113946 Jy ! Total flux subtracted in 200 components = 0.000113946 Jy ! Clean residual min=-0.001061 max=0.001100 Jy/beam ! Clean residual mean=-0.000000 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 0.15148 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 94 components and 0.15148 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=0.053191Jy sigma=1.205679 ! Fit after self-cal, rms=0.053238Jy sigma=1.205389 ! 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=0.053238Jy sigma=1.205389 ! Fit after self-cal, rms=0.053271Jy sigma=1.203640 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9284 mas, bmaj=1.793 mas, bpa=-12 degrees ! Estimated noise=0.151868 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.7415e-05 Jy ! Component: 100 - total flux cleaned = 3.55387e-05 Jy ! Component: 150 - total flux cleaned = -4.05985e-06 Jy ! Component: 200 - total flux cleaned = -3.84059e-05 Jy ! Total flux subtracted in 200 components = -3.84059e-05 Jy ! Clean residual min=-0.001012 max=0.000889 Jy/beam ! Clean residual mean=-0.000001 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.151441 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 99 components and 0.151441 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=0.053252Jy sigma=1.203230 ! Fit after self-cal, rms=0.053257Jy sigma=1.203173 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 = 7.89624e-05 Jy ! Component: 100 - total flux cleaned = 1.77322e-05 Jy ! Component: 150 - total flux cleaned = -5.28286e-05 Jy ! Component: 200 - total flux cleaned = -9.20222e-05 Jy ! Total flux subtracted in 200 components = -9.20222e-05 Jy ! Clean residual min=-0.001000 max=0.000867 Jy/beam ! Clean residual mean=-0.000001 rms=0.000195 Jy/beam ! Combined flux in latest and established models = 0.151349 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 107 components and 0.151349 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=0.053249Jy sigma=1.203000 ! Fit after self-cal, rms=0.053248Jy sigma=1.202985 ! 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=0.053248Jy sigma=1.202985 ! Fit after self-cal, rms=0.053214Jy sigma=1.201672 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9285 mas, bmaj=1.794 mas, bpa=-12.25 degrees ! Estimated noise=0.151954 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.08465e-06 Jy ! Component: 100 - total flux cleaned = -5.8995e-05 Jy ! Component: 150 - total flux cleaned = -9.36254e-05 Jy ! Component: 200 - total flux cleaned = -7.19352e-05 Jy ! Total flux subtracted in 200 components = -7.19352e-05 Jy ! Clean residual min=-0.001000 max=0.000825 Jy/beam ! Clean residual mean=-0.000001 rms=0.000185 Jy/beam ! Combined flux in latest and established models = 0.151277 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 120 components and 0.151277 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=0.053209Jy sigma=1.201540 ! Fit after self-cal, rms=0.053209Jy sigma=1.201516 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.55637e-06 Jy ! Component: 100 - total flux cleaned = -2.56041e-05 Jy ! Component: 150 - total flux cleaned = -2.56962e-05 Jy ! Component: 200 - total flux cleaned = -3.51056e-05 Jy ! Total flux subtracted in 200 components = -3.51056e-05 Jy ! Clean residual min=-0.000995 max=0.000815 Jy/beam ! Clean residual mean=-0.000001 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.151242 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 125 components and 0.151242 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=0.053205Jy sigma=1.201436 ! Fit after self-cal, rms=0.053204Jy sigma=1.201433 ! 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=0.053204Jy sigma=1.201433 ! Fit after self-cal, rms=0.053158Jy sigma=1.201413 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.157 mas, bmaj=2.642 mas, bpa=-7.654 degrees ! Estimated noise=0.187838 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.65604e-05 Jy ! Component: 100 - total flux cleaned = 0.00012901 Jy ! Component: 150 - total flux cleaned = 0.000148348 Jy ! Component: 200 - total flux cleaned = 0.000129139 Jy ! Total flux subtracted in 200 components = 0.000129139 Jy ! Clean residual min=-0.000829 max=0.000796 Jy/beam ! Clean residual mean=-0.000001 rms=0.000193 Jy/beam ! Combined flux in latest and established models = 0.151371 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 135 components and 0.151371 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=0.053157Jy sigma=1.201393 ! Fit after self-cal, rms=0.053155Jy sigma=1.201380 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 = -2.56664e-05 Jy ! Component: 100 - total flux cleaned = -2.28904e-05 Jy ! Component: 150 - total flux cleaned = -2.70874e-05 Jy ! Component: 200 - total flux cleaned = -3.51035e-05 Jy ! Total flux subtracted in 200 components = -3.51035e-05 Jy ! Clean residual min=-0.000815 max=0.000798 Jy/beam ! Clean residual mean=-0.000001 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.151336 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 140 components and 0.151336 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=0.053155Jy sigma=1.201382 ! Fit after self-cal, rms=0.053154Jy sigma=1.201375 ! 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=0.9276 mas, bmaj=1.794 mas, bpa=-12.29 degrees ! Estimated noise=0.151905 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9276 x 1.794 at -12.29 degrees (North through East) ! Clean map min=-0.0008884 max=0.0931 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=0.7155 mas, bmaj=1.522 mas, bpa=-13.97 degrees ! Estimated noise=0.284334 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0695892 Jy ! Component: 100 - total flux cleaned = 0.0971137 Jy ! Component: 150 - total flux cleaned = 0.111827 Jy ! Component: 200 - total flux cleaned = 0.120861 Jy ! Total flux subtracted in 200 components = 0.120861 Jy ! Clean residual min=-0.002337 max=0.004949 Jy/beam ! Clean residual mean=0.000002 rms=0.000624 Jy/beam ! Combined flux in latest and established models = 0.120861 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 26 model components to the UV plane model. ! The established model now contains 26 components and 0.120861 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9276 mas, bmaj=1.794 mas, bpa=-12.29 degrees ! Estimated noise=0.151905 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 = 0.00951547 Jy ! Component: 100 - total flux cleaned = 0.0153173 Jy ! Component: 150 - total flux cleaned = 0.0191874 Jy ! Component: 200 - total flux cleaned = 0.0219126 Jy ! Total flux subtracted in 200 components = 0.0219126 Jy ! Clean residual min=-0.001099 max=0.001784 Jy/beam ! Clean residual mean=0.000000 rms=0.000283 Jy/beam ! Combined flux in latest and established models = 0.142773 Jy ! Adding 44 model components to the UV plane model. ! The established model now contains 58 components and 0.142773 Jy ! Inverting map ! Added new window around map position (2.2, 1.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00205938 Jy ! Component: 100 - total flux cleaned = 0.00358102 Jy ! Component: 150 - total flux cleaned = 0.00473814 Jy ! Component: 200 - total flux cleaned = 0.00547951 Jy ! Total flux subtracted in 200 components = 0.00547951 Jy ! Clean residual min=-0.000857 max=0.000783 Jy/beam ! Clean residual mean=-0.000000 rms=0.000199 Jy/beam ! Combined flux in latest and established models = 0.148253 Jy ! Adding 27 model components to the UV plane model. ! The established model now contains 77 components and 0.148253 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=2.157 mas, bmaj=2.642 mas, bpa=-7.654 degrees ! Estimated noise=0.187838 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00124241 Jy ! Component: 100 - total flux cleaned = 0.00190493 Jy ! Component: 150 - total flux cleaned = 0.00208625 Jy ! Component: 200 - total flux cleaned = 0.00218176 Jy ! Total flux subtracted in 200 components = 0.00218176 Jy ! Clean residual min=-0.000801 max=0.000717 Jy/beam ! Clean residual mean=-0.000001 rms=0.000191 Jy/beam ! Combined flux in latest and established models = 0.150435 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 = 2.58484e-05 Jy ! Component: 100 - total flux cleaned = 3.64069e-05 Jy ! Component: 150 - total flux cleaned = 4.59868e-05 Jy ! Component: 200 - total flux cleaned = 6.31107e-05 Jy ! Total flux subtracted in 200 components = 6.31107e-05 Jy ! Clean residual min=-0.000769 max=0.000731 Jy/beam ! Clean residual mean=-0.000001 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.150498 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 121 components and 0.150498 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9276 mas, bmaj=1.794 mas, bpa=-12.29 degrees ! Estimated noise=0.151905 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000112308 Jy ! Component: 100 - total flux cleaned = 0.00012952 Jy ! Component: 150 - total flux cleaned = 0.000160037 Jy ! Component: 200 - total flux cleaned = 0.0001604 Jy ! Total flux subtracted in 200 components = 0.0001604 Jy ! Clean residual min=-0.000893 max=0.000778 Jy/beam ! Clean residual mean=-0.000000 rms=0.000177 Jy/beam ! Combined flux in latest and established models = 0.150658 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 136 components and 0.150658 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=0.053152Jy sigma=1.201245 ! Fit after self-cal, rms=0.053143Jy sigma=1.201117 wmodel J1920+2651_X_map.mod ! Writing 136 model components to file: J1920+2651_X_map.mod wobs J1920+2651_X_uvs.fits ! Writing UV FITS file: J1920+2651_X_uvs.fits wwins J1920+2651_X_map.win ! wwins: Wrote 5 windows to J1920+2651_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 = -0.00020247 Jy ! Component: 100 - total flux cleaned = -0.00024253 Jy ! Component: 150 - total flux cleaned = -0.000268703 Jy ! Component: 200 - total flux cleaned = -0.000268402 Jy ! Component: 250 - total flux cleaned = -0.000207595 Jy ! Component: 300 - total flux cleaned = -0.000183898 Jy ! Component: 350 - total flux cleaned = -0.000183987 Jy ! Component: 400 - total flux cleaned = -0.000206517 Jy ! Component: 450 - total flux cleaned = -0.000195421 Jy ! Component: 500 - total flux cleaned = -0.000184646 Jy ! Component: 550 - total flux cleaned = -0.000195571 Jy ! Component: 600 - total flux cleaned = -0.000238014 Jy ! Component: 650 - total flux cleaned = -0.000258992 Jy ! Component: 700 - total flux cleaned = -0.000300253 Jy ! Component: 750 - total flux cleaned = -0.000330772 Jy ! Component: 800 - total flux cleaned = -0.000380946 Jy ! Component: 850 - total flux cleaned = -0.000420388 Jy ! Component: 900 - total flux cleaned = -0.000420428 Jy ! Component: 950 - total flux cleaned = -0.000449555 Jy ! Component: 1000 - total flux cleaned = -0.000430386 Jy ! Component: 1050 - total flux cleaned = -0.000458982 Jy ! Component: 1100 - total flux cleaned = -0.000477697 Jy ! Component: 1150 - total flux cleaned = -0.000468273 Jy ! Component: 1200 - total flux cleaned = -0.000495946 Jy ! Component: 1250 - total flux cleaned = -0.000477646 Jy ! Component: 1300 - total flux cleaned = -0.000486557 Jy ! Component: 1350 - total flux cleaned = -0.000495488 Jy ! Component: 1400 - total flux cleaned = -0.000477771 Jy ! Component: 1450 - total flux cleaned = -0.00053053 Jy ! Component: 1500 - total flux cleaned = -0.000513031 Jy ! Component: 1550 - total flux cleaned = -0.000521632 Jy ! Component: 1600 - total flux cleaned = -0.000547399 Jy ! Component: 1650 - total flux cleaned = -0.000547345 Jy ! Component: 1700 - total flux cleaned = -0.000538966 Jy ! Component: 1750 - total flux cleaned = -0.000539006 Jy ! Component: 1800 - total flux cleaned = -0.00058895 Jy ! Component: 1850 - total flux cleaned = -0.000588888 Jy ! Component: 1900 - total flux cleaned = -0.000556066 Jy ! Component: 1950 - total flux cleaned = -0.000556094 Jy ! Component: 2000 - total flux cleaned = -0.000580241 Jy ! Component: 2050 - total flux cleaned = -0.0006124 Jy ! Component: 2100 - total flux cleaned = -0.000612347 Jy ! Component: 2150 - total flux cleaned = -0.000604356 Jy ! Component: 2200 - total flux cleaned = -0.00059668 Jy ! Component: 2250 - total flux cleaned = -0.000627952 Jy ! Component: 2300 - total flux cleaned = -0.000674605 Jy ! Component: 2350 - total flux cleaned = -0.000628355 Jy ! Component: 2400 - total flux cleaned = -0.000674389 Jy ! Component: 2450 - total flux cleaned = -0.000689618 Jy ! Component: 2500 - total flux cleaned = -0.00070473 Jy ! Component: 2550 - total flux cleaned = -0.000704669 Jy ! Component: 2600 - total flux cleaned = -0.000712081 Jy ! Component: 2650 - total flux cleaned = -0.000734354 Jy ! Component: 2700 - total flux cleaned = -0.000726899 Jy ! Component: 2750 - total flux cleaned = -0.000763535 Jy ! Component: 2800 - total flux cleaned = -0.000770853 Jy ! Component: 2850 - total flux cleaned = -0.000792632 Jy ! Component: 2900 - total flux cleaned = -0.000792675 Jy ! Component: 2950 - total flux cleaned = -0.000842917 Jy ! Component: 3000 - total flux cleaned = -0.00085721 Jy ! Component: 3050 - total flux cleaned = -0.00087139 Jy ! Component: 3100 - total flux cleaned = -0.000885378 Jy ! Component: 3150 - total flux cleaned = -0.000920405 Jy ! Component: 3200 - total flux cleaned = -0.00096219 Jy ! Component: 3250 - total flux cleaned = -0.000975973 Jy ! Component: 3300 - total flux cleaned = -0.0010104 Jy ! Component: 3350 - total flux cleaned = -0.00103779 Jy ! Component: 3400 - total flux cleaned = -0.00106504 Jy ! Component: 3450 - total flux cleaned = -0.00109886 Jy ! Component: 3500 - total flux cleaned = -0.00113924 Jy ! Component: 3550 - total flux cleaned = -0.00113253 Jy ! Component: 3600 - total flux cleaned = -0.00115917 Jy ! Component: 3650 - total flux cleaned = -0.00119228 Jy ! Component: 3700 - total flux cleaned = -0.00120548 Jy ! Component: 3750 - total flux cleaned = -0.0012383 Jy ! Component: 3800 - total flux cleaned = -0.00125137 Jy ! Component: 3850 - total flux cleaned = -0.0012838 Jy ! Component: 3900 - total flux cleaned = -0.00130318 Jy ! Component: 3950 - total flux cleaned = -0.00133533 Jy ! Component: 4000 - total flux cleaned = -0.00139285 Jy ! Component: 4050 - total flux cleaned = -0.00139922 Jy ! Total flux subtracted in 4096 components = -0.00141818 Jy ! Clean residual min=-0.000386 max=0.000419 Jy/beam ! Clean residual mean=0.000000 rms=0.000107 Jy/beam ! Combined flux in latest and established models = 0.14924 Jy keep ! Adding 297 model components to the UV plane model. ! The established model now contains 433 components and 0.14924 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1920+2651_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9276 x 1.794 at -12.29 degrees (North through East) ! Clean map min=-0.00071663 max=0.093197 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1920+2651_X_map.fits wmodel /vlbi/uf001/uva//J1920+2651_X_map.mod ! Writing 433 model components to file: /vlbi/uf001/uva//J1920+2651_X_map.mod wobs /vlbi/uf001/uva//J1920+2651_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1920+2651_X_uvs.fits wwins /vlbi/uf001/uva//J1920+2651_X_map.win ! wwins: Wrote 6 windows to /vlbi/uf001/uva//J1920+2651_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0931968 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000106883 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.344057 0.344057 0.688115 1.37623 2.75246 5.50492 11.0098 22.0197 44.0393 88.0787 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.093 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 871.947 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1920+2651_X_dfm.log closed on Mon Jan 14 05:01:01 2019