! Started logfile: /vlbi/uf001/uva//J1908+4235_X_dfm.log on Mon Jan 14 04:56:13 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//J1908+4235_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1908+4235_X_uva.fits ! AN table 1: 87 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.932822 visibilities/baseline/integration-bin. ! Found source: J1908+4235 ! ! 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 43824 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 J1908+4235_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 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 58 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.001427Jy sigma=23.767402 ! Fit after self-cal, rms=0.963129Jy sigma=22.848627 ! 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=0.706 mas, bmaj=1.195 mas, bpa=-11.71 degrees ! Estimated noise=0.345282 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 = 0.0267898 Jy ! Component: 100 - total flux cleaned = 0.0344898 Jy ! Total flux subtracted in 100 components = 0.0344898 Jy ! Clean residual min=-0.002157 max=0.003423 Jy/beam ! Clean residual mean=0.000004 rms=0.000548 Jy/beam ! Combined flux in latest and established models = 0.0344898 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0344898 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=0.056749Jy sigma=1.276084 ! Fit after self-cal, rms=0.055312Jy sigma=1.240849 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00554612 Jy ! Component: 100 - total flux cleaned = 0.00846659 Jy ! Total flux subtracted in 100 components = 0.00846659 Jy ! Clean residual min=-0.001959 max=0.002668 Jy/beam ! Clean residual mean=0.000003 rms=0.000457 Jy/beam ! Combined flux in latest and established models = 0.0429564 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 17 components and 0.0429564 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=0.054516Jy sigma=1.218893 ! Fit after self-cal, rms=0.054522Jy sigma=1.218623 ! 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=0.9286 mas, bmaj=1.541 mas, bpa=-10.38 degrees ! Estimated noise=0.147008 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 (0.4, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00389485 Jy ! Component: 100 - total flux cleaned = 0.00629628 Jy ! Component: 150 - total flux cleaned = 0.00797245 Jy ! Component: 200 - total flux cleaned = 0.00921887 Jy ! Total flux subtracted in 200 components = 0.00921887 Jy ! Clean residual min=-0.001244 max=0.002322 Jy/beam ! Clean residual mean=0.000003 rms=0.000305 Jy/beam ! Combined flux in latest and established models = 0.0521753 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 43 components and 0.0521753 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=0.054238Jy sigma=1.210144 ! Fit after self-cal, rms=0.054226Jy sigma=1.209301 ! Inverting map ! Added new window around map position (2.4, 6.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00209683 Jy ! Component: 100 - total flux cleaned = 0.00328318 Jy ! Component: 150 - total flux cleaned = 0.00419458 Jy ! Component: 200 - total flux cleaned = 0.00494104 Jy ! Total flux subtracted in 200 components = 0.00494104 Jy ! Clean residual min=-0.001116 max=0.001108 Jy/beam ! Clean residual mean=0.000002 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.0571163 Jy ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 63 components and 0.0571163 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=0.054143Jy sigma=1.206791 ! Fit after self-cal, rms=0.054123Jy sigma=1.206299 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9286 x 1.541 at -10.38 degrees (North through East) ! Clean map min=-0.0010486 max=0.039774 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.97 HN 1.04 KP 0.98 ! LA 0.96 MK 1.04 NL 1.11 OV 0.93 ! PT 0.96 SC 0.94 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.07 HN 0.99 KP 1.07 ! LA 0.97 MK 1.02 NL 1.03 OV 0.91 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.05 HN 1.04 KP 1.05 ! LA 1.00 MK 1.07 NL 1.02 OV 0.88 ! PT 0.98 SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.97 HN 1.03 KP 1.03 ! LA 1.02 MK 1.01 NL 1.09 OV 0.94 ! PT 0.99 SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.01 HN 1.01 KP 1.08 ! LA 0.94 MK 1.08 NL 1.04 OV 0.94 ! PT 0.95 SC 0.95 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.98 HN 0.95 KP 1.08 ! LA 1.01 MK 1.05 NL 1.07 OV 0.92 ! PT 0.99 SC 0.91 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 HN 1.02 KP 1.08 ! LA 0.99 MK 1.07 NL 1.08 OV 0.94 ! PT 0.95 SC 0.93 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 1.02 HN 0.96 KP 1.07 ! LA 0.99 MK 0.98 NL 1.02 OV 0.98 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.02 HN 0.98 KP 1.06 ! LA 0.99 MK 0.97 NL 1.08 OV 0.92 ! PT 0.98 SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 0.96 KP 1.14 ! LA 1.01 MK 1.01 NL 1.07 OV 0.87 ! PT 0.94 SC 0.92 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 1.07 KP 1.10 ! LA 0.99 MK 0.93 NL 1.11 OV 0.95 ! PT 0.92 SC 0.93 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.00 HN 1.00 KP 1.02 ! LA 1.04 MK 1.01 NL 1.07 OV 0.88 ! PT 0.96 SC 0.92 ! ! ! Fit before self-cal, rms=0.054123Jy sigma=1.206299 ! Fit after self-cal, rms=0.053859Jy sigma=1.203723 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9286 mas, bmaj=1.538 mas, bpa=-9.617 degrees ! Estimated noise=0.146357 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 = 0.000925381 Jy ! Component: 100 - total flux cleaned = 0.00133465 Jy ! Component: 150 - total flux cleaned = 0.00160408 Jy ! Component: 200 - total flux cleaned = 0.00179027 Jy ! Total flux subtracted in 200 components = 0.00179027 Jy ! Clean residual min=-0.000873 max=0.000862 Jy/beam ! Clean residual mean=0.000001 rms=0.000211 Jy/beam ! Combined flux in latest and established models = 0.0589066 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 75 components and 0.0589066 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=0.053839Jy sigma=1.203236 ! Fit after self-cal, rms=0.053897Jy sigma=1.202750 ! 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=0.053897Jy sigma=1.202750 ! Fit after self-cal, rms=0.054410Jy sigma=1.200522 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9269 mas, bmaj=1.539 mas, bpa=-10.49 degrees ! Estimated noise=0.146356 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00054645 Jy ! Component: 100 - total flux cleaned = 0.000766555 Jy ! Component: 150 - total flux cleaned = 0.00087549 Jy ! Component: 200 - total flux cleaned = 0.000950548 Jy ! Total flux subtracted in 200 components = 0.000950548 Jy ! Clean residual min=-0.000781 max=0.000741 Jy/beam ! Clean residual mean=0.000001 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.0598571 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 83 components and 0.0598571 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=0.054401Jy sigma=1.200327 ! Fit after self-cal, rms=0.054446Jy sigma=1.199975 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 = 0.000225354 Jy ! Component: 100 - total flux cleaned = 0.00026166 Jy ! Component: 150 - total flux cleaned = 0.000318208 Jy ! Component: 200 - total flux cleaned = 0.000360595 Jy ! Total flux subtracted in 200 components = 0.000360595 Jy ! Clean residual min=-0.000788 max=0.000728 Jy/beam ! Clean residual mean=0.000001 rms=0.000183 Jy/beam ! Combined flux in latest and established models = 0.0602177 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 87 components and 0.0602177 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=0.054440Jy sigma=1.199876 ! Fit after self-cal, rms=0.054443Jy sigma=1.199860 ! 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=0.054443Jy sigma=1.199860 ! Fit after self-cal, rms=0.054568Jy sigma=1.199781 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9235 mas, bmaj=1.536 mas, bpa=-10.64 degrees ! Estimated noise=0.146129 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000225595 Jy ! Component: 100 - total flux cleaned = 0.000271805 Jy ! Component: 150 - total flux cleaned = 0.000324647 Jy ! Component: 200 - total flux cleaned = 0.00037477 Jy ! Total flux subtracted in 200 components = 0.00037477 Jy ! Clean residual min=-0.000796 max=0.000721 Jy/beam ! Clean residual mean=0.000001 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.0605925 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 89 components and 0.0605925 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=0.054563Jy sigma=1.199691 ! Fit after self-cal, rms=0.054576Jy sigma=1.199664 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 = 5.37262e-05 Jy ! Component: 100 - total flux cleaned = 9.37586e-05 Jy ! Component: 150 - total flux cleaned = 0.000131837 Jy ! Component: 200 - total flux cleaned = 0.000167979 Jy ! Total flux subtracted in 200 components = 0.000167979 Jy ! Clean residual min=-0.000790 max=0.000730 Jy/beam ! Clean residual mean=0.000001 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.0607605 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 91 components and 0.0607605 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=0.054573Jy sigma=1.199601 ! Fit after self-cal, rms=0.054573Jy sigma=1.199592 ! 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=0.054573Jy sigma=1.199592 ! Fit after self-cal, rms=0.054486Jy sigma=1.199578 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.146 mas, bmaj=2.551 mas, bpa=-5.85 degrees ! Estimated noise=0.183876 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000372676 Jy ! Component: 100 - total flux cleaned = 0.000472534 Jy ! Component: 150 - total flux cleaned = 0.000545092 Jy ! Component: 200 - total flux cleaned = 0.000606722 Jy ! Total flux subtracted in 200 components = 0.000606722 Jy ! Clean residual min=-0.000867 max=0.000834 Jy/beam ! Clean residual mean=0.000002 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.0613672 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 104 components and 0.0613672 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=0.054485Jy sigma=1.199580 ! Fit after self-cal, rms=0.054490Jy sigma=1.199552 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 = 0.000111565 Jy ! Component: 100 - total flux cleaned = 0.000171088 Jy ! Component: 150 - total flux cleaned = 0.000203351 Jy ! Component: 200 - total flux cleaned = 0.000221156 Jy ! Total flux subtracted in 200 components = 0.000221156 Jy ! Clean residual min=-0.000860 max=0.000830 Jy/beam ! Clean residual mean=0.000002 rms=0.000226 Jy/beam ! Combined flux in latest and established models = 0.0615884 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 110 components and 0.0615884 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=0.054490Jy sigma=1.199569 ! Fit after self-cal, rms=0.054491Jy sigma=1.199556 ! 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=0.9204 mas, bmaj=1.532 mas, bpa=-10.64 degrees ! Estimated noise=0.145871 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9204 x 1.532 at -10.64 degrees (North through East) ! Clean map min=-0.00072855 max=0.0394 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=0.7009 mas, bmaj=1.183 mas, bpa=-11.89 degrees ! Estimated noise=0.338857 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0277018 Jy ! Component: 100 - total flux cleaned = 0.0367096 Jy ! Component: 150 - total flux cleaned = 0.0415913 Jy ! Component: 200 - total flux cleaned = 0.0450914 Jy ! Total flux subtracted in 200 components = 0.0450914 Jy ! Clean residual min=-0.001800 max=0.001993 Jy/beam ! Clean residual mean=0.000003 rms=0.000433 Jy/beam ! Combined flux in latest and established models = 0.0450914 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0450914 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9204 mas, bmaj=1.532 mas, bpa=-10.64 degrees ! Estimated noise=0.145871 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 = 0.00393857 Jy ! Component: 100 - total flux cleaned = 0.0064342 Jy ! Component: 150 - total flux cleaned = 0.00829163 Jy ! Component: 200 - total flux cleaned = 0.00971936 Jy ! Total flux subtracted in 200 components = 0.00971936 Jy ! Clean residual min=-0.001030 max=0.000976 Jy/beam ! Clean residual mean=0.000003 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0548107 Jy ! Adding 26 model components to the UV plane model. ! The established model now contains 34 components and 0.0548107 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=2.146 mas, bmaj=2.551 mas, bpa=-5.85 degrees ! Estimated noise=0.183876 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00191737 Jy ! Component: 100 - total flux cleaned = 0.00318159 Jy ! Component: 150 - total flux cleaned = 0.00410312 Jy ! Component: 200 - total flux cleaned = 0.00479756 Jy ! Total flux subtracted in 200 components = 0.00479756 Jy ! Clean residual min=-0.000984 max=0.000980 Jy/beam ! Clean residual mean=0.000003 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.0596083 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 = 0.000531017 Jy ! Component: 100 - total flux cleaned = 0.000772078 Jy ! Component: 150 - total flux cleaned = 0.000965135 Jy ! Component: 200 - total flux cleaned = 0.0011333 Jy ! Total flux subtracted in 200 components = 0.0011333 Jy ! Clean residual min=-0.000925 max=0.000867 Jy/beam ! Clean residual mean=0.000002 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.0607416 Jy ! Adding 69 model components to the UV plane model. ! The established model now contains 95 components and 0.0607416 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9204 mas, bmaj=1.532 mas, bpa=-10.64 degrees ! Estimated noise=0.145871 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 9.61493e-05 Jy ! Component: 100 - total flux cleaned = 0.000170587 Jy ! Component: 150 - total flux cleaned = 0.000219439 Jy ! Component: 200 - total flux cleaned = 0.000248774 Jy ! Total flux subtracted in 200 components = 0.000248774 Jy ! Clean residual min=-0.000791 max=0.000772 Jy/beam ! Clean residual mean=0.000001 rms=0.000183 Jy/beam ! Combined flux in latest and established models = 0.0609904 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 113 components and 0.0609904 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=0.054507Jy sigma=1.199784 ! Fit after self-cal, rms=0.054503Jy sigma=1.199703 wmodel J1908+4235_X_map.mod ! Writing 113 model components to file: J1908+4235_X_map.mod wobs J1908+4235_X_uvs.fits ! Writing UV FITS file: J1908+4235_X_uvs.fits wwins J1908+4235_X_map.win ! wwins: Wrote 3 windows to J1908+4235_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 = -0.000177265 Jy ! Component: 100 - total flux cleaned = -0.00021736 Jy ! Component: 150 - total flux cleaned = -0.000229861 Jy ! Component: 200 - total flux cleaned = -0.000304087 Jy ! Component: 250 - total flux cleaned = -0.000292381 Jy ! Component: 300 - total flux cleaned = -0.000292599 Jy ! Component: 350 - total flux cleaned = -0.000327023 Jy ! Component: 400 - total flux cleaned = -0.000349406 Jy ! Component: 450 - total flux cleaned = -0.000338752 Jy ! Component: 500 - total flux cleaned = -0.000339024 Jy ! Component: 550 - total flux cleaned = -0.000328644 Jy ! Component: 600 - total flux cleaned = -0.000328523 Jy ! Component: 650 - total flux cleaned = -0.000318477 Jy ! Component: 700 - total flux cleaned = -0.000348767 Jy ! Component: 750 - total flux cleaned = -0.000308825 Jy ! Component: 800 - total flux cleaned = -0.000288923 Jy ! Component: 850 - total flux cleaned = -0.000249936 Jy ! Component: 900 - total flux cleaned = -0.000240234 Jy ! Component: 950 - total flux cleaned = -0.000221109 Jy ! Component: 1000 - total flux cleaned = -0.000173881 Jy ! Component: 1050 - total flux cleaned = -0.000155259 Jy ! Component: 1100 - total flux cleaned = -0.000109003 Jy ! Component: 1150 - total flux cleaned = -9.98741e-05 Jy ! Component: 1200 - total flux cleaned = -5.45739e-05 Jy ! Component: 1250 - total flux cleaned = -9.76934e-06 Jy ! Component: 1300 - total flux cleaned = 8.09969e-06 Jy ! Component: 1350 - total flux cleaned = 5.21188e-05 Jy ! Component: 1400 - total flux cleaned = 9.57496e-05 Jy ! Component: 1450 - total flux cleaned = 9.57166e-05 Jy ! Component: 1500 - total flux cleaned = 0.000112994 Jy ! Component: 1550 - total flux cleaned = 0.000138531 Jy ! Component: 1600 - total flux cleaned = 0.000163918 Jy ! Component: 1650 - total flux cleaned = 0.000180666 Jy ! Component: 1700 - total flux cleaned = 0.000230545 Jy ! Component: 1750 - total flux cleaned = 0.000255282 Jy ! Component: 1800 - total flux cleaned = 0.00028803 Jy ! Component: 1850 - total flux cleaned = 0.000353041 Jy ! Component: 1900 - total flux cleaned = 0.00035301 Jy ! Component: 1950 - total flux cleaned = 0.000401116 Jy ! Component: 2000 - total flux cleaned = 0.00044096 Jy ! Component: 2050 - total flux cleaned = 0.00048053 Jy ! Component: 2100 - total flux cleaned = 0.000551287 Jy ! Component: 2150 - total flux cleaned = 0.000551214 Jy ! Component: 2200 - total flux cleaned = 0.000605446 Jy ! Component: 2250 - total flux cleaned = 0.000620871 Jy ! Component: 2300 - total flux cleaned = 0.000674473 Jy ! Component: 2350 - total flux cleaned = 0.00069736 Jy ! Component: 2400 - total flux cleaned = 0.000727658 Jy ! Component: 2450 - total flux cleaned = 0.000757695 Jy ! Component: 2500 - total flux cleaned = 0.00076512 Jy ! Component: 2550 - total flux cleaned = 0.000787425 Jy ! Component: 2600 - total flux cleaned = 0.000809516 Jy ! Component: 2650 - total flux cleaned = 0.000824221 Jy ! Component: 2700 - total flux cleaned = 0.000860756 Jy ! Component: 2750 - total flux cleaned = 0.000882454 Jy ! Component: 2800 - total flux cleaned = 0.000896859 Jy ! Component: 2850 - total flux cleaned = 0.000918288 Jy ! Component: 2900 - total flux cleaned = 0.000982395 Jy ! Component: 2950 - total flux cleaned = 0.000996545 Jy ! Component: 3000 - total flux cleaned = 0.000982423 Jy ! Component: 3050 - total flux cleaned = 0.00103848 Jy ! Component: 3100 - total flux cleaned = 0.00105238 Jy ! Component: 3150 - total flux cleaned = 0.00105233 Jy ! Component: 3200 - total flux cleaned = 0.00105921 Jy ! Component: 3250 - total flux cleaned = 0.00110034 Jy ! Component: 3300 - total flux cleaned = 0.00110031 Jy ! Component: 3350 - total flux cleaned = 0.00113419 Jy ! Component: 3400 - total flux cleaned = 0.00115452 Jy ! Component: 3450 - total flux cleaned = 0.00118819 Jy ! Component: 3500 - total flux cleaned = 0.00121486 Jy ! Component: 3550 - total flux cleaned = 0.00120821 Jy ! Component: 3600 - total flux cleaned = 0.00122812 Jy ! Component: 3650 - total flux cleaned = 0.00124783 Jy ! Component: 3700 - total flux cleaned = 0.00126094 Jy ! Component: 3750 - total flux cleaned = 0.00127404 Jy ! Component: 3800 - total flux cleaned = 0.0012935 Jy ! Component: 3850 - total flux cleaned = 0.00128707 Jy ! Component: 3900 - total flux cleaned = 0.00126776 Jy ! Component: 3950 - total flux cleaned = 0.00128697 Jy ! Component: 4000 - total flux cleaned = 0.00129331 Jy ! Component: 4050 - total flux cleaned = 0.00129968 Jy ! Total flux subtracted in 4096 components = 0.00133119 Jy ! Clean residual min=-0.000386 max=0.000404 Jy/beam ! Clean residual mean=0.000000 rms=0.000108 Jy/beam ! Combined flux in latest and established models = 0.0623216 Jy keep ! Adding 323 model components to the UV plane model. ! The established model now contains 436 components and 0.0623216 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1908+4235_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9204 x 1.532 at -10.64 degrees (North through East) ! Clean map min=-0.00054634 max=0.03941 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1908+4235_X_map.fits wmodel /vlbi/uf001/uva//J1908+4235_X_map.mod ! Writing 436 model components to file: /vlbi/uf001/uva//J1908+4235_X_map.mod wobs /vlbi/uf001/uva//J1908+4235_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1908+4235_X_uvs.fits wwins /vlbi/uf001/uva//J1908+4235_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J1908+4235_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0394104 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000107804 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.820626 0.820626 1.64125 3.2825 6.56501 13.13 26.26 52.5201 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.039 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 365.574 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1908+4235_X_dfm.log closed on Mon Jan 14 04:56:19 2019