! Started logfile: /image_prod/ug002_uva//J1920+2651_X_dfm.log on Thu Mar 5 04:07:38 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//J1920+2651_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1920+2651_X_uva.fits ! AN table 1: 25 integrations on 28 of 28 possible baselines. ! AN table 2: 25 integrations on 15 of 15 possible baselines. ! AN table 3: 25 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.988125 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 121 lines of history. ! ! Reading 18972 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 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.005102Jy sigma=9.338884 ! Fit after self-cal, rms=0.924685Jy sigma=8.530768 ! 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=0.6883 mas, bmaj=1.568 mas, bpa=7.229 degrees ! Estimated noise=1.26078 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 = 0.0579969 Jy ! Component: 100 - total flux cleaned = 0.0800822 Jy ! Total flux subtracted in 100 components = 0.0800822 Jy ! Clean residual min=-0.005574 max=0.010136 Jy/beam ! Clean residual mean=0.000003 rms=0.001540 Jy/beam ! Combined flux in latest and established models = 0.0800822 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0800822 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=0.058991Jy sigma=0.513663 ! Fit after self-cal, rms=0.058609Jy sigma=0.510368 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0118269 Jy ! Component: 100 - total flux cleaned = 0.0192944 Jy ! Total flux subtracted in 100 components = 0.0192944 Jy ! Clean residual min=-0.004545 max=0.005075 Jy/beam ! Clean residual mean=0.000001 rms=0.001129 Jy/beam ! Combined flux in latest and established models = 0.0993766 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 24 components and 0.0993766 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=0.055633Jy sigma=0.475333 ! Fit after self-cal, rms=0.055542Jy sigma=0.474912 ! 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=0.9144 mas, bmaj=1.849 mas, bpa=5.389 degrees ! Estimated noise=0.563723 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, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0081468 Jy ! Component: 100 - total flux cleaned = 0.0133002 Jy ! Component: 150 - total flux cleaned = 0.0169389 Jy ! Component: 200 - total flux cleaned = 0.0196865 Jy ! Total flux subtracted in 200 components = 0.0196865 Jy ! Clean residual min=-0.003694 max=0.003832 Jy/beam ! Clean residual mean=-0.000001 rms=0.000854 Jy/beam ! Combined flux in latest and established models = 0.119063 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 46 components and 0.119063 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=0.054277Jy sigma=0.459583 ! Fit after self-cal, rms=0.054186Jy sigma=0.458767 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9144 x 1.849 at 5.389 degrees (North through East) ! Clean map min=-0.0034561 max=0.075115 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 HN 0.85 LA 0.96 MK 1.06 ! NL 1.13 OV 0.89 PT 0.93 SC 1.26 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.89 HN 0.94 KP 1.03 LA 1.02 ! NL 1.12 OV 0.84 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 KP 0.99 LA 1.02 MK 1.05 ! NL 1.15 OV 0.87 SC 0.88 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 HN 0.86 LA 0.98 MK 1.11 ! NL 1.14 OV 0.87 PT 0.90 SC 1.09 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.89 HN 0.92 KP 1.04 LA 0.98 ! NL 1.15 OV 0.85 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 KP 1.00 LA 0.98 MK 1.05 ! NL 1.14 OV 0.89 SC 0.77 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 HN 0.88 LA 1.02 MK 1.04 ! NL 1.09 OV 0.91 PT 0.93 SC 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 HN 0.88 KP 1.03 LA 0.97 ! NL 1.11 OV 0.87 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 KP 1.04 LA 0.99 MK 1.02 ! NL 1.15 OV 0.85 SC 0.91 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.93 HN 0.86 LA 1.10 MK 1.10 ! NL 1.14 OV 0.89 PT 0.93 SC 1.09 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 HN 1.03 KP 1.02 LA 1.05 ! NL 1.18 OV 0.84 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.94 KP 1.04 LA 0.99 MK 1.03 ! NL 1.14 OV 0.88 SC 0.81 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 0.88 LA 1.03 MK 1.09 ! NL 1.15 OV 0.84 PT 0.93 SC 1.11 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 HN 0.96 KP 0.96 LA 1.05 ! NL 1.12 OV 0.85 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.98 KP 1.03 LA 1.02 MK 0.99 ! NL 1.09 OV 0.84 SC 0.87 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 HN 0.90 LA 1.06 MK 1.06 ! NL 1.09 OV 0.86 PT 0.99 SC 1.15 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 HN 0.85 KP 1.11 LA 1.02 ! NL 1.16 OV 0.82 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.93 KP 1.04 LA 1.04 MK 1.14 ! NL 1.16 OV 0.91 SC 0.97 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 0.90 LA 1.01 MK 1.11 ! NL 1.12 OV 0.94 PT 0.94 SC 1.07 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 HN 0.96 KP 1.02 LA 1.01 ! NL 1.15 OV 0.89 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.08 KP 1.04 LA 0.99 MK 1.08 ! NL 1.17 OV 0.87 SC 0.83 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 HN 0.85 LA 1.07 MK 1.13 ! NL 1.12 OV 0.86 PT 0.96 SC 1.18 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 HN 0.93 KP 1.06 LA 1.01 ! NL 1.09 OV 0.87 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.11 KP 1.10 LA 1.00 MK 1.09 ! NL 1.12 OV 0.87 SC 0.86 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 HN 0.84 LA 1.00 MK 1.18 ! NL 1.19 OV 0.89 PT 0.96 SC 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.98 HN 1.02 KP 1.08 LA 0.95 ! NL 1.13 OV 0.85 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.94 KP 1.01 LA 1.01 MK 1.17 ! NL 1.28 OV 0.79 SC 0.82 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 HN 0.90 LA 1.03 MK 1.07 ! NL 1.13 OV 0.86 PT 0.95 SC 0.93 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 HN 0.97 KP 1.05 LA 1.03 ! NL 1.11 OV 0.89 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 KP 1.02 LA 1.02 MK 1.08 ! NL 1.16 OV 0.89 SC 0.76 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 0.90 LA 0.97 MK 1.11 ! NL 1.14 OV 0.84 PT 1.01 SC 1.08 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.93 HN 0.86 KP 1.03 LA 1.04 ! NL 1.24 OV 0.82 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.00 KP 1.01 LA 1.04 MK 1.11 ! NL 1.17 OV 0.90 SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 0.88 LA 1.00 MK 1.05 ! NL 1.13 OV 0.87 PT 0.92 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 HN 0.85 KP 1.03 LA 1.03 ! NL 1.20 OV 0.87 ! ! Telescope amplitude corrections in sub-array 3: ! BR 0.97 KP 0.96 LA 1.02 MK 1.10 ! NL 1.21 OV 0.88 SC 0.81 ! ! ! Fit before self-cal, rms=0.054186Jy sigma=0.458767 ! Fit after self-cal, rms=0.051572Jy sigma=0.446012 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9237 mas, bmaj=1.821 mas, bpa=6.547 degrees ! Estimated noise=0.551089 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 = 0.00154644 Jy ! Component: 100 - total flux cleaned = 0.0016392 Jy ! Component: 150 - total flux cleaned = 0.00171764 Jy ! Component: 200 - total flux cleaned = 0.00178271 Jy ! Total flux subtracted in 200 components = 0.00178271 Jy ! Clean residual min=-0.001310 max=0.001609 Jy/beam ! Clean residual mean=0.000000 rms=0.000311 Jy/beam ! Combined flux in latest and established models = 0.120846 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 56 components and 0.120846 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=0.051473Jy sigma=0.445103 ! Fit after self-cal, rms=0.051550Jy sigma=0.444632 ! 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=0.051550Jy sigma=0.444632 ! Fit after self-cal, rms=0.051897Jy sigma=0.444746 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9267 mas, bmaj=1.811 mas, bpa=6.808 degrees ! Estimated noise=0.551392 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000899639 Jy ! Component: 100 - total flux cleaned = 0.000961822 Jy ! Component: 150 - total flux cleaned = 0.000963474 Jy ! Component: 200 - total flux cleaned = 0.000964339 Jy ! Total flux subtracted in 200 components = 0.000964339 Jy ! Clean residual min=-0.001260 max=0.001459 Jy/beam ! Clean residual mean=0.000000 rms=0.000280 Jy/beam ! Combined flux in latest and established models = 0.12181 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 64 components and 0.12181 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=0.051851Jy sigma=0.444350 ! Fit after self-cal, rms=0.051855Jy sigma=0.444283 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (-6.6, 14). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00129876 Jy ! Component: 100 - total flux cleaned = 0.00181544 Jy ! Component: 150 - total flux cleaned = 0.00210142 Jy ! Component: 200 - total flux cleaned = 0.00224056 Jy ! Total flux subtracted in 200 components = 0.00224056 Jy ! Clean residual min=-0.001112 max=0.001216 Jy/beam ! Clean residual mean=-0.000000 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.124051 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 80 components and 0.124051 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=0.051809Jy sigma=0.443904 ! Fit after self-cal, rms=0.051810Jy sigma=0.443861 ! Inverting map ! Added new window around map position (-5.6, 4.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0010846 Jy ! Component: 100 - total flux cleaned = 0.00116637 Jy ! Component: 150 - total flux cleaned = 0.00125975 Jy ! Component: 200 - total flux cleaned = 0.00126148 Jy ! Total flux subtracted in 200 components = 0.00126148 Jy ! Clean residual min=-0.000999 max=0.000957 Jy/beam ! Clean residual mean=-0.000001 rms=0.000237 Jy/beam ! Combined flux in latest and established models = 0.125312 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 97 components and 0.125312 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=0.051776Jy sigma=0.443589 ! Fit after self-cal, rms=0.051777Jy sigma=0.443554 ! 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=0.051777Jy sigma=0.443554 ! Fit after self-cal, rms=0.051810Jy sigma=0.443512 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9273 mas, bmaj=1.804 mas, bpa=6.99 degrees ! Estimated noise=0.551769 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000521039 Jy ! Component: 100 - total flux cleaned = 0.000752406 Jy ! Component: 150 - total flux cleaned = 0.000891582 Jy ! Component: 200 - total flux cleaned = 0.000965097 Jy ! Total flux subtracted in 200 components = 0.000965097 Jy ! Clean residual min=-0.000921 max=0.000910 Jy/beam ! Clean residual mean=-0.000000 rms=0.000221 Jy/beam ! Combined flux in latest and established models = 0.126277 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 101 components and 0.126277 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=0.051789Jy sigma=0.443355 ! Fit after self-cal, rms=0.051797Jy sigma=0.443331 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 = 0.000160021 Jy ! Component: 100 - total flux cleaned = 0.000141769 Jy ! Component: 150 - total flux cleaned = 0.000209625 Jy ! Component: 200 - total flux cleaned = 0.000288642 Jy ! Total flux subtracted in 200 components = 0.000288642 Jy ! Clean residual min=-0.000921 max=0.000884 Jy/beam ! Clean residual mean=-0.000001 rms=0.000217 Jy/beam ! Combined flux in latest and established models = 0.126566 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 106 components and 0.126566 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=0.051784Jy sigma=0.443239 ! Fit after self-cal, rms=0.051788Jy sigma=0.443231 ! 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=0.051788Jy sigma=0.443231 ! Fit after self-cal, rms=0.051901Jy sigma=0.443240 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.031 mas, bmaj=2.627 mas, bpa=-9.852 degrees ! Estimated noise=0.649612 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000145466 Jy ! Component: 100 - total flux cleaned = 0.000261155 Jy ! Component: 150 - total flux cleaned = 0.000349169 Jy ! Component: 200 - total flux cleaned = 0.000425747 Jy ! Total flux subtracted in 200 components = 0.000425747 Jy ! Clean residual min=-0.000777 max=0.000779 Jy/beam ! Clean residual mean=-0.000001 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.126992 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 122 components and 0.126992 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=0.051898Jy sigma=0.443207 ! Fit after self-cal, rms=0.051898Jy sigma=0.443195 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 = 4.95246e-05 Jy ! Component: 100 - total flux cleaned = 8.93251e-05 Jy ! Component: 150 - total flux cleaned = 0.000124857 Jy ! Component: 200 - total flux cleaned = 0.000157241 Jy ! Total flux subtracted in 200 components = 0.000157241 Jy ! Clean residual min=-0.000784 max=0.000779 Jy/beam ! Clean residual mean=-0.000001 rms=0.000212 Jy/beam ! Combined flux in latest and established models = 0.127149 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 127 components and 0.127149 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=0.051896Jy sigma=0.443180 ! Fit after self-cal, rms=0.051895Jy sigma=0.443177 ! 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=0.9282 mas, bmaj=1.802 mas, bpa=7.139 degrees ! Estimated noise=0.55291 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9282 x 1.802 at 7.139 degrees (North through East) ! Clean map min=-0.00084438 max=0.072816 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=0.703 mas, bmaj=1.524 mas, bpa=8.979 degrees ! Estimated noise=1.22418 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0568276 Jy ! Component: 100 - total flux cleaned = 0.079525 Jy ! Component: 150 - total flux cleaned = 0.0921085 Jy ! Component: 200 - total flux cleaned = 0.100236 Jy ! Total flux subtracted in 200 components = 0.100236 Jy ! Clean residual min=-0.003720 max=0.004647 Jy/beam ! Clean residual mean=0.000002 rms=0.000897 Jy/beam ! Combined flux in latest and established models = 0.100236 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 23 model components to the UV plane model. ! The established model now contains 23 components and 0.100236 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9282 mas, bmaj=1.802 mas, bpa=7.139 degrees ! Estimated noise=0.55291 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 = 0.00767899 Jy ! Component: 100 - total flux cleaned = 0.0124389 Jy ! Component: 150 - total flux cleaned = 0.015706 Jy ! Component: 200 - total flux cleaned = 0.0180378 Jy ! Total flux subtracted in 200 components = 0.0180378 Jy ! Clean residual min=-0.001282 max=0.001710 Jy/beam ! Clean residual mean=0.000001 rms=0.000355 Jy/beam ! Combined flux in latest and established models = 0.118274 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 37 components and 0.118274 Jy ! Inverting map ! Added new window around map position (1.6, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00187478 Jy ! Component: 100 - total flux cleaned = 0.00324085 Jy ! Component: 150 - total flux cleaned = 0.00415286 Jy ! Component: 200 - total flux cleaned = 0.00494885 Jy ! Total flux subtracted in 200 components = 0.00494885 Jy ! Clean residual min=-0.000997 max=0.001187 Jy/beam ! Clean residual mean=0.000000 rms=0.000268 Jy/beam ! Combined flux in latest and established models = 0.123222 Jy ! Adding 31 model components to the UV plane model. ! The established model now contains 57 components and 0.123222 Jy ! Inverting map ! Added new window around map position (-2.4, 15.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000568287 Jy ! Component: 100 - total flux cleaned = 0.00100689 Jy ! Component: 150 - total flux cleaned = 0.00137076 Jy ! Component: 200 - total flux cleaned = 0.0016741 Jy ! Total flux subtracted in 200 components = 0.0016741 Jy ! Clean residual min=-0.000912 max=0.000952 Jy/beam ! Clean residual mean=-0.000000 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.124897 Jy ! Adding 29 model components to the UV plane model. ! The established model now contains 75 components and 0.124897 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=2.031 mas, bmaj=2.627 mas, bpa=-9.852 degrees ! Estimated noise=0.649612 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00081012 Jy ! Component: 100 - total flux cleaned = 0.0012297 Jy ! Component: 150 - total flux cleaned = 0.00156232 Jy ! Component: 200 - total flux cleaned = 0.00177565 Jy ! Total flux subtracted in 200 components = 0.00177565 Jy ! Clean residual min=-0.000810 max=0.000721 Jy/beam ! Clean residual mean=-0.000001 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.126672 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 = 0.000146243 Jy ! Component: 100 - total flux cleaned = 0.000289234 Jy ! Component: 150 - total flux cleaned = 0.000385819 Jy ! Component: 200 - total flux cleaned = 0.000484216 Jy ! Total flux subtracted in 200 components = 0.000484216 Jy ! Clean residual min=-0.000796 max=0.000686 Jy/beam ! Clean residual mean=-0.000001 rms=0.000198 Jy/beam ! Combined flux in latest and established models = 0.127156 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 112 components and 0.127156 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9282 mas, bmaj=1.802 mas, bpa=7.139 degrees ! Estimated noise=0.55291 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000178047 Jy ! Component: 100 - total flux cleaned = -0.000295729 Jy ! Component: 150 - total flux cleaned = -0.000318061 Jy ! Component: 200 - total flux cleaned = -0.00029913 Jy ! Total flux subtracted in 200 components = -0.00029913 Jy ! Clean residual min=-0.000887 max=0.000858 Jy/beam ! Clean residual mean=-0.000000 rms=0.000207 Jy/beam ! Combined flux in latest and established models = 0.126857 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 124 components and 0.126857 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=0.051882Jy sigma=0.443128 ! Fit after self-cal, rms=0.051854Jy sigma=0.443053 wmodel J1920+2651_X_map.mod ! Writing 124 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 6 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 = -0.000230619 Jy ! Component: 100 - total flux cleaned = -0.000306601 Jy ! Component: 150 - total flux cleaned = -0.000363778 Jy ! Component: 200 - total flux cleaned = -0.000419463 Jy ! Component: 250 - total flux cleaned = -0.000527543 Jy ! Component: 300 - total flux cleaned = -0.00063272 Jy ! Component: 350 - total flux cleaned = -0.000709848 Jy ! Component: 400 - total flux cleaned = -0.000759955 Jy ! Component: 450 - total flux cleaned = -0.000821266 Jy ! Component: 500 - total flux cleaned = -0.000857361 Jy ! Component: 550 - total flux cleaned = -0.000881028 Jy ! Component: 600 - total flux cleaned = -0.000927731 Jy ! Component: 650 - total flux cleaned = -0.0009847 Jy ! Component: 700 - total flux cleaned = -0.00102966 Jy ! Component: 750 - total flux cleaned = -0.00105171 Jy ! Component: 800 - total flux cleaned = -0.00104075 Jy ! Component: 850 - total flux cleaned = -0.00106259 Jy ! Component: 900 - total flux cleaned = -0.0010519 Jy ! Component: 950 - total flux cleaned = -0.0010309 Jy ! Component: 1000 - total flux cleaned = -0.00105185 Jy ! Component: 1050 - total flux cleaned = -0.00105174 Jy ! Component: 1100 - total flux cleaned = -0.00106207 Jy ! Component: 1150 - total flux cleaned = -0.00107188 Jy ! Component: 1200 - total flux cleaned = -0.00105203 Jy ! Component: 1250 - total flux cleaned = -0.00104238 Jy ! Component: 1300 - total flux cleaned = -0.00107125 Jy ! Component: 1350 - total flux cleaned = -0.00104244 Jy ! Component: 1400 - total flux cleaned = -0.00101401 Jy ! Component: 1450 - total flux cleaned = -0.00100463 Jy ! Component: 1500 - total flux cleaned = -0.00096774 Jy ! Component: 1550 - total flux cleaned = -0.000986156 Jy ! Component: 1600 - total flux cleaned = -0.000968072 Jy ! Component: 1650 - total flux cleaned = -0.000977 Jy ! Component: 1700 - total flux cleaned = -0.000959103 Jy ! Component: 1750 - total flux cleaned = -0.000994241 Jy ! Component: 1800 - total flux cleaned = -0.00095065 Jy ! Component: 1850 - total flux cleaned = -0.00094201 Jy ! Component: 1900 - total flux cleaned = -0.000933396 Jy ! Component: 1950 - total flux cleaned = -0.000916513 Jy ! Component: 2000 - total flux cleaned = -0.000908184 Jy ! Component: 2050 - total flux cleaned = -0.000891551 Jy ! Component: 2100 - total flux cleaned = -0.000891478 Jy ! Component: 2150 - total flux cleaned = -0.000850864 Jy ! Component: 2200 - total flux cleaned = -0.000826642 Jy ! Component: 2250 - total flux cleaned = -0.000834641 Jy ! Component: 2300 - total flux cleaned = -0.000794909 Jy ! Component: 2350 - total flux cleaned = -0.000787033 Jy ! Component: 2400 - total flux cleaned = -0.000771533 Jy ! Component: 2450 - total flux cleaned = -0.000740654 Jy ! Component: 2500 - total flux cleaned = -0.000763663 Jy ! Component: 2550 - total flux cleaned = -0.000771367 Jy ! Component: 2600 - total flux cleaned = -0.000756292 Jy ! Component: 2650 - total flux cleaned = -0.000748787 Jy ! Component: 2700 - total flux cleaned = -0.000741371 Jy ! Component: 2750 - total flux cleaned = -0.000726719 Jy ! Component: 2800 - total flux cleaned = -0.000726806 Jy ! Component: 2850 - total flux cleaned = -0.000726776 Jy ! Component: 2900 - total flux cleaned = -0.000698043 Jy ! Component: 2950 - total flux cleaned = -0.000712365 Jy ! Component: 3000 - total flux cleaned = -0.000684031 Jy ! Component: 3050 - total flux cleaned = -0.000648874 Jy ! Component: 3100 - total flux cleaned = -0.000648837 Jy ! Component: 3150 - total flux cleaned = -0.000621142 Jy ! Component: 3200 - total flux cleaned = -0.000614297 Jy ! Component: 3250 - total flux cleaned = -0.000593864 Jy ! Component: 3300 - total flux cleaned = -0.000573553 Jy ! Component: 3350 - total flux cleaned = -0.000539723 Jy ! Component: 3400 - total flux cleaned = -0.000512978 Jy ! Component: 3450 - total flux cleaned = -0.000506236 Jy ! Component: 3500 - total flux cleaned = -0.00047328 Jy ! Component: 3550 - total flux cleaned = -0.000414219 Jy ! Component: 3600 - total flux cleaned = -0.000381741 Jy ! Component: 3650 - total flux cleaned = -0.000355898 Jy ! Component: 3700 - total flux cleaned = -0.000336601 Jy ! Component: 3750 - total flux cleaned = -0.00033021 Jy ! Component: 3800 - total flux cleaned = -0.000285772 Jy ! Component: 3850 - total flux cleaned = -0.000247969 Jy ! Component: 3900 - total flux cleaned = -0.000235479 Jy ! Component: 3950 - total flux cleaned = -0.000185757 Jy ! Component: 4000 - total flux cleaned = -0.000210519 Jy ! Component: 4050 - total flux cleaned = -0.000167528 Jy ! Total flux subtracted in 4096 components = -0.000167485 Jy ! Clean residual min=-0.000405 max=0.000348 Jy/beam ! Clean residual mean=-0.000000 rms=0.000101 Jy/beam ! Combined flux in latest and established models = 0.12669 Jy keep ! Adding 283 model components to the UV plane model. ! The established model now contains 407 components and 0.12669 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1920+2651_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9282 x 1.802 at 7.139 degrees (North through East) ! Clean map min=-0.00088273 max=0.072687 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1920+2651_X_map.fits wmodel /image_prod/ug002_uva//J1920+2651_X_map.mod ! Writing 407 model components to file: /image_prod/ug002_uva//J1920+2651_X_map.mod wobs /image_prod/ug002_uva//J1920+2651_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1920+2651_X_uvs.fits wwins /image_prod/ug002_uva//J1920+2651_X_map.win ! wwins: Wrote 7 windows to /image_prod/ug002_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 0.0726872 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000100498 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.414783 0.414783 0.829566 1.65913 3.31827 6.63653 13.2731 26.5461 53.0923 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.072 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 723.269 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1920+2651_X_dfm.log closed on Thu Mar 5 04:07:43 2020