! Started logfile: /image_prod/ug002_uva//J2257+4154_X_dfm.log on Thu Mar 5 06:00:57 2020 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 /image_prod/ug002_uva//J2257+4154_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2257+4154_X_uva.fits ! AN table 1: 75 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.848148 visibilities/baseline/integration-bin. ! Found source: J2257+4154 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 121 lines of history. ! ! Reading 27480 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 J2257+4154_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 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 50 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.004157Jy sigma=9.381512 ! Fit after self-cal, rms=0.957835Jy sigma=8.940755 ! 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=0.7869 mas, bmaj=1.555 mas, bpa=-25.76 degrees ! Estimated noise=1.03711 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 = 0.0297999 Jy ! Component: 100 - total flux cleaned = 0.0413685 Jy ! Total flux subtracted in 100 components = 0.0413685 Jy ! Clean residual min=-0.007974 max=0.009466 Jy/beam ! Clean residual mean=-0.000003 rms=0.001810 Jy/beam ! Combined flux in latest and established models = 0.0413685 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 20 components and 0.0413685 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=0.077020Jy sigma=0.682834 ! Fit after self-cal, rms=0.075744Jy sigma=0.669344 ! 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=1.045 mas, bmaj=1.81 mas, bpa=-23.23 degrees ! Estimated noise=0.465709 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 = 0.0155583 Jy ! Component: 100 - total flux cleaned = 0.0249931 Jy ! Component: 150 - total flux cleaned = 0.0310448 Jy ! Component: 200 - total flux cleaned = 0.0349738 Jy ! Total flux subtracted in 200 components = 0.0349738 Jy ! Clean residual min=-0.010630 max=0.012748 Jy/beam ! Clean residual mean=-0.000048 rms=0.002795 Jy/beam ! Combined flux in latest and established models = 0.0763423 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 37 components and 0.0763423 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=0.072340Jy sigma=0.635356 ! Fit after self-cal, rms=0.072107Jy sigma=0.632067 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.045 x 1.81 at -23.23 degrees (North through East) ! Clean map min=-0.010275 max=0.04429 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.47 FD 1.08 HN 0.77 KP 1.14 ! LA 1.11 MK 1.43 NL 1.41 OV 0.74 ! PT 0.50 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.43 FD 1.04 HN 0.74 KP 1.10 ! LA 1.12 MK 1.41 NL 1.32 OV 0.74 ! PT 0.48 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.53 FD 1.11 HN 0.75 KP 1.12 ! LA 1.10 MK 1.40 NL 1.33 OV 0.73 ! PT 0.51 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.51 FD 1.11 HN 0.81 KP 1.12 ! LA 1.15 MK 1.35 NL 1.38 OV 0.71 ! PT 0.46 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.48 FD 1.16 HN 0.74 KP 1.10 ! LA 1.12 MK 1.20 NL 1.41 OV 0.70 ! PT 0.50 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.48 FD 1.23 HN 0.84 KP 1.07 ! LA 1.08 MK 1.28 NL 1.35 OV 0.72 ! PT 0.48 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.58 FD 1.25 HN 0.74 KP 1.16 ! LA 1.04 MK 1.23 NL 1.35 OV 0.70 ! PT 0.46 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.56 FD 1.19 HN 0.76 KP 1.09 ! LA 1.03 MK 1.21 NL 1.42 OV 0.69 ! PT 0.48 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.58 FD 1.39 HN 0.74 KP 1.11 ! LA 1.03 MK 1.22 NL 1.34 OV 0.70 ! PT 0.46 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.64 FD 1.36 HN 0.73 KP 1.06 ! LA 1.01 MK 1.19 NL 1.30 OV 0.70 ! PT 0.47 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.50 FD 1.27 HN 0.74 KP 1.11 ! LA 0.99 MK 0.98 NL 1.36 OV 0.70 ! PT 0.47 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.37 FD 1.23 HN 0.74 KP 0.99 ! LA 1.01 MK 1.03 NL 1.37 OV 0.72 ! PT 0.48 ! ! ! Fit before self-cal, rms=0.072107Jy sigma=0.632067 ! Fit after self-cal, rms=0.081163Jy sigma=0.598454 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.072 mas, bmaj=1.862 mas, bpa=-24.84 degrees ! Estimated noise=0.470479 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 = 0.00181502 Jy ! Component: 100 - total flux cleaned = 0.0020145 Jy ! Component: 150 - total flux cleaned = 0.00224161 Jy ! Component: 200 - total flux cleaned = 0.00238898 Jy ! Total flux subtracted in 200 components = 0.00238898 Jy ! Clean residual min=-0.009077 max=0.011298 Jy/beam ! Clean residual mean=-0.000015 rms=0.002363 Jy/beam ! Combined flux in latest and established models = 0.0787313 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 40 components and 0.0787313 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=0.081052Jy sigma=0.597304 ! Fit after self-cal, rms=0.082493Jy sigma=0.592034 ! 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=0.082493Jy sigma=0.592034 ! Fit after self-cal, rms=0.111818Jy sigma=0.563191 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.048 mas, bmaj=1.83 mas, bpa=-25 degrees ! Estimated noise=0.481299 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00127249 Jy ! Component: 100 - total flux cleaned = 0.00161354 Jy ! Component: 150 - total flux cleaned = 0.00180881 Jy ! Component: 200 - total flux cleaned = 0.0019379 Jy ! Total flux subtracted in 200 components = 0.0019379 Jy ! Clean residual min=-0.006949 max=0.007623 Jy/beam ! Clean residual mean=-0.000015 rms=0.001952 Jy/beam ! Combined flux in latest and established models = 0.0806692 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 43 components and 0.0806692 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=0.111626Jy sigma=0.563039 ! Fit after self-cal, rms=0.112924Jy sigma=0.559182 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 = -0.000824858 Jy ! Component: 100 - total flux cleaned = -0.000827785 Jy ! Component: 150 - total flux cleaned = -0.000797015 Jy ! Component: 200 - total flux cleaned = -0.000768647 Jy ! Total flux subtracted in 200 components = -0.000768647 Jy ! Clean residual min=-0.006441 max=0.007215 Jy/beam ! Clean residual mean=-0.000014 rms=0.001899 Jy/beam ! Combined flux in latest and established models = 0.0799005 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 46 components and 0.0799005 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=0.112853Jy sigma=0.558910 ! Fit after self-cal, rms=0.112871Jy sigma=0.558659 ! 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=0.112871Jy sigma=0.558659 ! Fit after self-cal, rms=0.123806Jy sigma=0.558142 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.031 mas, bmaj=1.814 mas, bpa=-24.86 degrees ! Estimated noise=0.486484 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00121962 Jy ! Component: 100 - total flux cleaned = 0.00152635 Jy ! Component: 150 - total flux cleaned = 0.00172218 Jy ! Component: 200 - total flux cleaned = 0.00180269 Jy ! Total flux subtracted in 200 components = 0.00180269 Jy ! Clean residual min=-0.006510 max=0.007115 Jy/beam ! Clean residual mean=-0.000015 rms=0.001912 Jy/beam ! Combined flux in latest and established models = 0.0817032 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 46 components and 0.0817032 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=0.123679Jy sigma=0.558192 ! Fit after self-cal, rms=0.123926Jy sigma=0.557878 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 = -0.00028512 Jy ! Component: 100 - total flux cleaned = -0.000251443 Jy ! Component: 150 - total flux cleaned = -0.000194711 Jy ! Component: 200 - total flux cleaned = -0.000168762 Jy ! Total flux subtracted in 200 components = -0.000168762 Jy ! Clean residual min=-0.006371 max=0.007053 Jy/beam ! Clean residual mean=-0.000015 rms=0.001903 Jy/beam ! Combined flux in latest and established models = 0.0815345 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 47 components and 0.0815345 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=0.123869Jy sigma=0.557819 ! Fit after self-cal, rms=0.123888Jy sigma=0.557640 ! 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=0.123888Jy sigma=0.557640 ! Fit after self-cal, rms=0.127449Jy sigma=0.557417 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.288 mas, bmaj=2.594 mas, bpa=-32.06 degrees ! Estimated noise=0.588126 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00156064 Jy ! Component: 100 - total flux cleaned = 0.00179924 Jy ! Component: 150 - total flux cleaned = 0.00204106 Jy ! Component: 200 - total flux cleaned = 0.00221568 Jy ! Total flux subtracted in 200 components = 0.00221568 Jy ! Clean residual min=-0.011396 max=0.012300 Jy/beam ! Clean residual mean=-0.000032 rms=0.003662 Jy/beam ! Combined flux in latest and established models = 0.0837501 Jy selfcal ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 47 components and 0.0837501 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=0.127274Jy sigma=0.558713 ! Fit after self-cal, rms=0.127203Jy sigma=0.557844 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 = -0.000439616 Jy ! Component: 100 - total flux cleaned = -0.000332068 Jy ! Component: 150 - total flux cleaned = -0.00029533 Jy ! Component: 200 - total flux cleaned = -0.00026541 Jy ! Total flux subtracted in 200 components = -0.00026541 Jy ! Clean residual min=-0.011460 max=0.012301 Jy/beam ! Clean residual mean=-0.000033 rms=0.003660 Jy/beam ! Combined flux in latest and established models = 0.0834847 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 49 components and 0.0834847 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=0.127105Jy sigma=0.558788 ! Fit after self-cal, rms=0.127077Jy sigma=0.558248 ! 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=1.023 mas, bmaj=1.812 mas, bpa=-24.96 degrees ! Estimated noise=0.494471 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.023 x 1.812 at -24.96 degrees (North through East) ! Clean map min=-0.009429 max=0.042889 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=0.7626 mas, bmaj=1.561 mas, bpa=-25.36 degrees ! Estimated noise=1.08049 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0309763 Jy ! Component: 100 - total flux cleaned = 0.0470963 Jy ! Component: 150 - total flux cleaned = 0.0563422 Jy ! Component: 200 - total flux cleaned = 0.0608522 Jy ! Total flux subtracted in 200 components = 0.0608522 Jy ! Clean residual min=-0.006553 max=0.006310 Jy/beam ! Clean residual mean=-0.000003 rms=0.001306 Jy/beam ! Combined flux in latest and established models = 0.0608522 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0608522 Jy ! Inverting map and beam ! Estimated beam: bmin=1.023 mas, bmaj=1.812 mas, bpa=-24.96 degrees ! Estimated noise=0.494471 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 = 0.00978202 Jy ! Component: 100 - total flux cleaned = 0.0142886 Jy ! Component: 150 - total flux cleaned = 0.0157788 Jy ! Component: 200 - total flux cleaned = 0.0169451 Jy ! Total flux subtracted in 200 components = 0.0169451 Jy ! Clean residual min=-0.006623 max=0.007361 Jy/beam ! Clean residual mean=-0.000019 rms=0.001954 Jy/beam ! Combined flux in latest and established models = 0.0777973 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 29 components and 0.0777973 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=2.288 mas, bmaj=2.594 mas, bpa=-32.06 degrees ! Estimated noise=0.588126 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00355463 Jy ! Component: 100 - total flux cleaned = 0.00407662 Jy ! Component: 150 - total flux cleaned = 0.00437147 Jy ! Component: 200 - total flux cleaned = 0.00459251 Jy ! Total flux subtracted in 200 components = 0.00459251 Jy ! Clean residual min=-0.011412 max=0.012460 Jy/beam ! Clean residual mean=-0.000034 rms=0.003660 Jy/beam ! Combined flux in latest and established models = 0.0823898 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 = 0.000166939 Jy ! Component: 100 - total flux cleaned = 0.000297378 Jy ! Component: 150 - total flux cleaned = 0.000376458 Jy ! Component: 200 - total flux cleaned = 0.000442859 Jy ! Total flux subtracted in 200 components = 0.000442859 Jy ! Clean residual min=-0.011396 max=0.012389 Jy/beam ! Clean residual mean=-0.000034 rms=0.003660 Jy/beam ! Combined flux in latest and established models = 0.0828327 Jy ! Adding 13 model components to the UV plane model. ! The established model now contains 35 components and 0.0828327 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.023 mas, bmaj=1.812 mas, bpa=-24.96 degrees ! Estimated noise=0.494471 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000522479 Jy ! Component: 100 - total flux cleaned = -0.000785952 Jy ! Component: 150 - total flux cleaned = -0.00078729 Jy ! Component: 200 - total flux cleaned = -0.000707234 Jy ! Total flux subtracted in 200 components = -0.000707234 Jy ! Clean residual min=-0.006563 max=0.007278 Jy/beam ! Clean residual mean=-0.000016 rms=0.001938 Jy/beam ! Combined flux in latest and established models = 0.0821254 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 41 components and 0.0821254 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=0.127116Jy sigma=0.558464 ! Fit after self-cal, rms=0.127043Jy sigma=0.557514 wmodel J2257+4154_X_map.mod ! Writing 41 model components to file: J2257+4154_X_map.mod wobs J2257+4154_X_uvs.fits ! Writing UV FITS file: J2257+4154_X_uvs.fits wwins J2257+4154_X_map.win ! wwins: Wrote 1 windows to J2257+4154_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 = 0.00197869 Jy ! Component: 100 - total flux cleaned = 0.00281508 Jy ! Component: 150 - total flux cleaned = 0.00315475 Jy ! Component: 200 - total flux cleaned = 0.00336747 Jy ! Component: 250 - total flux cleaned = 0.00357112 Jy ! Component: 300 - total flux cleaned = 0.00396673 Jy ! Component: 350 - total flux cleaned = 0.00425586 Jy ! Component: 400 - total flux cleaned = 0.00472407 Jy ! Component: 450 - total flux cleaned = 0.00508641 Jy ! Component: 500 - total flux cleaned = 0.00535053 Jy ! Component: 550 - total flux cleaned = 0.00586601 Jy ! Component: 600 - total flux cleaned = 0.00628223 Jy ! Component: 650 - total flux cleaned = 0.00636311 Jy ! Component: 700 - total flux cleaned = 0.00660521 Jy ! Component: 750 - total flux cleaned = 0.00676364 Jy ! Component: 800 - total flux cleaned = 0.00707126 Jy ! Component: 850 - total flux cleaned = 0.00714703 Jy ! Component: 900 - total flux cleaned = 0.00722233 Jy ! Component: 950 - total flux cleaned = 0.00729489 Jy ! Component: 1000 - total flux cleaned = 0.00722212 Jy ! Component: 1050 - total flux cleaned = 0.00715138 Jy ! Component: 1100 - total flux cleaned = 0.00729054 Jy ! Component: 1150 - total flux cleaned = 0.00729034 Jy ! Component: 1200 - total flux cleaned = 0.00762898 Jy ! Component: 1250 - total flux cleaned = 0.00782766 Jy ! Component: 1300 - total flux cleaned = 0.00795897 Jy ! Component: 1350 - total flux cleaned = 0.00802422 Jy ! Component: 1400 - total flux cleaned = 0.00821743 Jy ! Component: 1450 - total flux cleaned = 0.00834453 Jy ! Component: 1500 - total flux cleaned = 0.00859485 Jy ! Component: 1550 - total flux cleaned = 0.00896447 Jy ! Component: 1600 - total flux cleaned = 0.00896435 Jy ! Component: 1650 - total flux cleaned = 0.00932682 Jy ! Component: 1700 - total flux cleaned = 0.00968502 Jy ! Component: 1750 - total flux cleaned = 0.00986153 Jy ! Component: 1800 - total flux cleaned = 0.0102113 Jy ! Component: 1850 - total flux cleaned = 0.0103251 Jy ! Component: 1900 - total flux cleaned = 0.0105534 Jy ! Component: 1950 - total flux cleaned = 0.0108355 Jy ! Component: 2000 - total flux cleaned = 0.0111715 Jy ! Component: 2050 - total flux cleaned = 0.0113923 Jy ! Component: 2100 - total flux cleaned = 0.0115564 Jy ! Component: 2150 - total flux cleaned = 0.0118281 Jy ! Component: 2200 - total flux cleaned = 0.0120423 Jy ! Component: 2250 - total flux cleaned = 0.0121485 Jy ! Component: 2300 - total flux cleaned = 0.0123591 Jy ! Component: 2350 - total flux cleaned = 0.0126725 Jy ! Component: 2400 - total flux cleaned = 0.0128796 Jy ! Component: 2450 - total flux cleaned = 0.0131864 Jy ! Component: 2500 - total flux cleaned = 0.0134399 Jy ! Component: 2550 - total flux cleaned = 0.0136907 Jy ! Component: 2600 - total flux cleaned = 0.014088 Jy ! Component: 2650 - total flux cleaned = 0.0141361 Jy ! Component: 2700 - total flux cleaned = 0.0144292 Jy ! Component: 2750 - total flux cleaned = 0.01472 Jy ! Component: 2800 - total flux cleaned = 0.0150559 Jy ! Component: 2850 - total flux cleaned = 0.0151029 Jy ! Component: 2900 - total flux cleaned = 0.0154338 Jy ! Component: 2950 - total flux cleaned = 0.0154344 Jy ! Component: 3000 - total flux cleaned = 0.0158521 Jy ! Component: 3050 - total flux cleaned = 0.0158984 Jy ! Component: 3100 - total flux cleaned = 0.0163098 Jy ! Component: 3150 - total flux cleaned = 0.0165358 Jy ! Component: 3200 - total flux cleaned = 0.0163109 Jy ! Component: 3250 - total flux cleaned = 0.0165787 Jy ! Component: 3300 - total flux cleaned = 0.0167995 Jy ! Component: 3350 - total flux cleaned = 0.0169313 Jy ! Component: 3400 - total flux cleaned = 0.0170183 Jy ! Component: 3450 - total flux cleaned = 0.0170613 Jy ! Component: 3500 - total flux cleaned = 0.0172332 Jy ! Component: 3550 - total flux cleaned = 0.0174039 Jy ! Component: 3600 - total flux cleaned = 0.017446 Jy ! Component: 3650 - total flux cleaned = 0.0175718 Jy ! Component: 3700 - total flux cleaned = 0.0177798 Jy ! Component: 3750 - total flux cleaned = 0.0178214 Jy ! Component: 3800 - total flux cleaned = 0.0179854 Jy ! Component: 3850 - total flux cleaned = 0.0179046 Jy ! Component: 3900 - total flux cleaned = 0.0179857 Jy ! Component: 3950 - total flux cleaned = 0.0182267 Jy ! Component: 4000 - total flux cleaned = 0.0182265 Jy ! Component: 4050 - total flux cleaned = 0.018187 Jy ! Total flux subtracted in 4096 components = 0.018462 Jy ! Clean residual min=-0.002204 max=0.002223 Jy/beam ! Clean residual mean=0.000001 rms=0.000898 Jy/beam ! Combined flux in latest and established models = 0.100587 Jy keep ! Adding 481 model components to the UV plane model. ! The established model now contains 522 components and 0.100587 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2257+4154_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.023 x 1.812 at -24.96 degrees (North through East) ! Clean map min=-0.0079279 max=0.042818 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2257+4154_X_map.fits wmodel /image_prod/ug002_uva//J2257+4154_X_map.mod ! Writing 522 model components to file: /image_prod/ug002_uva//J2257+4154_X_map.mod wobs /image_prod/ug002_uva//J2257+4154_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2257+4154_X_uvs.fits wwins /image_prod/ug002_uva//J2257+4154_X_map.win ! wwins: Wrote 2 windows to /image_prod/ug002_uva//J2257+4154_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.042818 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000888793 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -6.22723 6.22723 12.4545 24.9089 49.8179 99.6357 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0026 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.042 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 48.175 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2257+4154_X_dfm.log closed on Thu Mar 5 06:01:02 2020