! Started logfile: /image_prod/ug002_uva//J2020+294A_X_dfm.log on Thu Mar 5 04:44:23 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//J2020+294A_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2020+294A_X_uva.fits ! AN table 1: 30 integrations on 15 of 15 possible baselines. ! AN table 2: 25 integrations on 15 of 15 possible baselines. ! AN table 3: 153 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.649834 visibilities/baseline/integration-bin. ! Found source: J2020+294A ! ! 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 39840 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 J2020+294A_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 333 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 2. ! A total of 333 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 3. ! A total of 333 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 4. ! A total of 333 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 5. ! A total of 333 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 6. ! A total of 333 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 7. ! A total of 333 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 8. ! A total of 333 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 9. ! A total of 333 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 10. ! A total of 333 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 11. ! A total of 333 telescope corrections were flagged in sub-array 3. ! ! Correcting IF 12. ! A total of 333 telescope corrections were flagged in sub-array 3. ! ! Fit before self-cal, rms=1.004979Jy sigma=8.934682 ! Fit after self-cal, rms=0.916194Jy sigma=8.132350 ! 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=0.7232 mas, bmaj=1.34 mas, bpa=-4.319 degrees ! Estimated noise=1.0162 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 = 0.0575837 Jy ! Component: 100 - total flux cleaned = 0.0786192 Jy ! Total flux subtracted in 100 components = 0.0786192 Jy ! Clean residual min=-0.005014 max=0.009596 Jy/beam ! Clean residual mean=0.000006 rms=0.001324 Jy/beam ! Combined flux in latest and established models = 0.0786192 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0786192 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=0.080144Jy sigma=0.698943 ! Fit after self-cal, rms=0.079817Jy sigma=0.695945 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0116421 Jy ! Component: 100 - total flux cleaned = 0.0190464 Jy ! Total flux subtracted in 100 components = 0.0190464 Jy ! Clean residual min=-0.004247 max=0.004938 Jy/beam ! Clean residual mean=0.000003 rms=0.001040 Jy/beam ! Combined flux in latest and established models = 0.0976656 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 25 components and 0.0976656 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=0.076469Jy sigma=0.664573 ! Fit after self-cal, rms=0.076480Jy sigma=0.664427 ! 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=0.9832 mas, bmaj=1.766 mas, bpa=-2.68 degrees ! Estimated noise=0.407258 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 = 0.0107074 Jy ! Component: 100 - total flux cleaned = 0.0168317 Jy ! Component: 150 - total flux cleaned = 0.0206533 Jy ! Component: 200 - total flux cleaned = 0.0230742 Jy ! Total flux subtracted in 200 components = 0.0230742 Jy ! Clean residual min=-0.007652 max=0.007333 Jy/beam ! Clean residual mean=-0.000004 rms=0.002134 Jy/beam ! Combined flux in latest and established models = 0.12074 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 43 components and 0.12074 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=0.074806Jy sigma=0.651972 ! Fit after self-cal, rms=0.074824Jy sigma=0.651788 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9832 x 1.766 at -2.68 degrees (North through East) ! Clean map min=-0.0075523 max=0.085087 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.58 HN 0.97 KP 1.00 ! OV 0.80 SC 1.10 ! ! Telescope amplitude corrections in sub-array 2: ! FD 2.92 HN 1.18 KP 0.78 LA 0.98 ! OV 0.96 PT 0.78 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.21 FD 1.34 HN 1.16 LA 0.76 ! MK 1.24 OV 1.17 PT 0.67 SC 1.30 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.14 HN 0.85 KP 1.24 ! OV 0.93 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! FD 1.65 HN 1.15 KP 1.00 LA 0.95 ! OV 1.06 PT 0.59 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.34 FD 1.50 HN 1.15 LA 0.74 ! MK 1.37 OV 1.28 PT 0.59 SC 1.36 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.89 HN 0.88 KP 1.33 ! OV 1.15 SC 1.04 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.99 HN 1.29 KP 1.25 LA 0.85 ! OV 1.24 PT 0.57 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.37 FD 1.46 HN 1.18 LA 0.75 ! MK 1.46 OV 1.27 PT 0.58 SC 1.37 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.88 HN 0.83 KP 1.29 ! OV 1.02 SC 1.07 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.81 HN 1.24 KP 1.44 LA 0.74 ! OV 1.47 PT 0.60 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.23 FD 1.30 HN 1.08 LA 0.80 ! MK 1.30 OV 1.18 PT 0.65 SC 1.26 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.31 FD 0.96 HN 0.96 KP 0.84 ! OV 0.87 SC 1.20 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.91 HN 1.11 KP 1.11 LA 0.81 ! OV 1.34 PT 0.80 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.18 FD 0.99 HN 1.10 LA 0.79 ! MK 1.19 OV 1.18 PT 0.81 SC 1.20 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.17 FD 0.94 HN 0.90 KP 0.94 ! OV 0.92 SC 1.26 ! ! Telescope amplitude corrections in sub-array 2: ! FD 1.22 HN 1.00 KP 1.05 LA 1.01 ! OV 0.96 PT 0.98 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.14 FD 0.94 HN 1.00 LA 0.80 ! MK 1.08 OV 1.13 PT 0.85 SC 1.15 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 HN 0.81 KP 1.33 ! OV 1.06 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! FD 1.40 HN 1.06 KP 2.49 LA 0.73 ! OV 1.08 PT 0.63 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.08 FD 0.97 HN 0.96 LA 0.99 ! MK 1.08 OV 1.05 PT 0.93 SC 1.06 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.09 HN 0.85 KP 1.15 ! OV 0.93 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.90 HN 1.10 KP 2.07 LA 0.69 ! OV 1.12 PT 0.64 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.07 FD 1.03 HN 0.92 LA 1.09 ! MK 1.02 OV 1.03 PT 0.91 SC 1.09 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.32 HN 0.90 KP 1.05 ! OV 0.76 SC 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! FD 0.84 HN 1.16 KP 1.79 LA 0.66 ! OV 1.33 PT 0.64 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.02 FD 0.97 HN 0.91 LA 1.39 ! MK 1.07 OV 0.96 PT 0.99 SC 1.01 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.09 HN 0.79 KP 1.30 ! OV 1.02 SC 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! FD 1.09 HN 1.15 KP 1.84 LA 0.65 ! OV 1.58 PT 0.64 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.04 FD 0.87 HN 0.87 LA 1.31 ! MK 0.96 OV 0.95 PT 1.10 SC 1.05 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.93 HN 0.78 KP 1.22 ! OV 1.08 SC 0.97 ! ! Telescope amplitude corrections in sub-array 2: ! FD 1.79 HN 1.11 KP 1.67 LA 0.65 ! OV 1.65 PT 0.68 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.07 FD 0.85 HN 0.84 LA 1.09 ! MK 0.99 OV 1.03 PT 1.04 SC 1.07 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.89 HN 0.88 KP 1.09 ! OV 1.02 SC 1.05 ! ! Telescope amplitude corrections in sub-array 2: ! FD 3.35 HN 1.11 KP 1.34 LA 0.69 ! OV 1.31 PT 0.64 ! ! Telescope amplitude corrections in sub-array 3: ! BR 1.07 FD 0.84 HN 0.93 LA 0.92 ! MK 0.87 OV 1.02 PT 0.96 SC 1.19 ! ! ! Fit before self-cal, rms=0.074824Jy sigma=0.651788 ! Fit after self-cal, rms=0.081718Jy sigma=0.613036 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=1.016 mas, bmaj=1.806 mas, bpa=-3.047 degrees ! Estimated noise=0.419779 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 = -0.000108907 Jy ! Component: 100 - total flux cleaned = -0.000464821 Jy ! Component: 150 - total flux cleaned = -0.00072745 Jy ! Component: 200 - total flux cleaned = -0.000897042 Jy ! Total flux subtracted in 200 components = -0.000897042 Jy ! Clean residual min=-0.005263 max=0.007521 Jy/beam ! Clean residual mean=0.000009 rms=0.001701 Jy/beam ! Combined flux in latest and established models = 0.119843 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 49 components and 0.119843 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=0.081550Jy sigma=0.613107 ! Fit after self-cal, rms=0.082715Jy sigma=0.609242 ! 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=0.082715Jy sigma=0.609242 ! Fit after self-cal, rms=0.101426Jy sigma=0.581715 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.02 mas, bmaj=1.814 mas, bpa=-3.073 degrees ! Estimated noise=0.432114 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000776534 Jy ! Component: 100 - total flux cleaned = 0.000485593 Jy ! Component: 150 - total flux cleaned = 0.000147647 Jy ! Component: 200 - total flux cleaned = -0.000134788 Jy ! Total flux subtracted in 200 components = -0.000134788 Jy ! Clean residual min=-0.004139 max=0.007214 Jy/beam ! Clean residual mean=0.000012 rms=0.001495 Jy/beam ! Combined flux in latest and established models = 0.119708 Jy selfcal ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 55 components and 0.119708 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=0.101143Jy sigma=0.582209 ! Fit after self-cal, rms=0.101629Jy sigma=0.580957 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 (2.2, -18.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00546036 Jy ! Component: 100 - total flux cleaned = 0.00561708 Jy ! Component: 150 - total flux cleaned = 0.00529938 Jy ! Component: 200 - total flux cleaned = 0.00480113 Jy ! Total flux subtracted in 200 components = 0.00480113 Jy ! Clean residual min=-0.004082 max=0.006068 Jy/beam ! Clean residual mean=0.000013 rms=0.001360 Jy/beam ! Combined flux in latest and established models = 0.124509 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 84 components and 0.124509 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=0.100830Jy sigma=0.579715 ! Fit after self-cal, rms=0.100651Jy sigma=0.578926 ! Inverting map ! Added new window around map position (-22.8, -26.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00555748 Jy ! Component: 100 - total flux cleaned = 0.00702283 Jy ! Component: 150 - total flux cleaned = 0.00775892 Jy ! Component: 200 - total flux cleaned = 0.00768191 Jy ! Total flux subtracted in 200 components = 0.00768191 Jy ! Clean residual min=-0.003993 max=0.005596 Jy/beam ! Clean residual mean=0.000012 rms=0.001233 Jy/beam ! Combined flux in latest and established models = 0.132191 Jy ! Performing phase self-cal ! Adding 43 model components to the UV plane model. ! The established model now contains 121 components and 0.132191 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=0.100018Jy sigma=0.575404 ! Fit after self-cal, rms=0.099772Jy sigma=0.574721 ! Inverting map ! Added new window around map position (21.4, -43.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00436426 Jy ! Component: 100 - total flux cleaned = 0.00595962 Jy ! Component: 150 - total flux cleaned = 0.00693224 Jy ! Component: 200 - total flux cleaned = 0.00754677 Jy ! Total flux subtracted in 200 components = 0.00754677 Jy ! Clean residual min=-0.004246 max=0.005147 Jy/beam ! Clean residual mean=0.000014 rms=0.001165 Jy/beam ! Combined flux in latest and established models = 0.139738 Jy ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 146 components and 0.139738 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=0.099217Jy sigma=0.572641 ! Fit after self-cal, rms=0.098970Jy sigma=0.572236 ! 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=0.098970Jy sigma=0.572236 ! Fit after self-cal, rms=0.094029Jy sigma=0.568306 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.036 mas, bmaj=1.829 mas, bpa=-2.897 degrees ! Estimated noise=0.437383 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00353672 Jy ! Component: 100 - total flux cleaned = 0.00600997 Jy ! Component: 150 - total flux cleaned = 0.0075358 Jy ! Component: 200 - total flux cleaned = 0.00788646 Jy ! Total flux subtracted in 200 components = 0.00788646 Jy ! Clean residual min=-0.003434 max=0.005172 Jy/beam ! Clean residual mean=0.000015 rms=0.001109 Jy/beam ! Combined flux in latest and established models = 0.147624 Jy selfcal ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 164 components and 0.147624 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=0.093658Jy sigma=0.566972 ! Fit after self-cal, rms=0.093466Jy sigma=0.566660 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 (-30.6, 30.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00451425 Jy ! Component: 100 - total flux cleaned = 0.00602274 Jy ! Component: 150 - total flux cleaned = 0.00727199 Jy ! Component: 200 - total flux cleaned = 0.00848172 Jy ! Total flux subtracted in 200 components = 0.00848172 Jy ! Clean residual min=-0.003724 max=0.004344 Jy/beam ! Clean residual mean=0.000011 rms=0.001028 Jy/beam ! Combined flux in latest and established models = 0.156106 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 184 components and 0.156106 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=0.093043Jy sigma=0.564739 ! Fit after self-cal, rms=0.092898Jy sigma=0.564356 ! 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=0.092898Jy sigma=0.564356 ! Fit after self-cal, rms=0.092102Jy sigma=0.563317 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.309 mas, bmaj=3.003 mas, bpa=13.8 degrees ! Estimated noise=0.487291 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00367906 Jy ! Component: 100 - total flux cleaned = 0.00631186 Jy ! Component: 150 - total flux cleaned = 0.00700226 Jy ! Component: 200 - total flux cleaned = 0.00700227 Jy ! Total flux subtracted in 200 components = 0.00700227 Jy ! Clean residual min=-0.004852 max=0.004964 Jy/beam ! Clean residual mean=0.000022 rms=0.001262 Jy/beam ! Combined flux in latest and established models = 0.163108 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 195 components and 0.163108 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=0.091869Jy sigma=0.562587 ! Fit after self-cal, rms=0.091772Jy sigma=0.562284 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 = 0.00217888 Jy ! Component: 100 - total flux cleaned = 0.00301518 Jy ! Component: 150 - total flux cleaned = 0.00344038 Jy ! Component: 200 - total flux cleaned = 0.00355166 Jy ! Total flux subtracted in 200 components = 0.00355166 Jy ! Clean residual min=-0.004596 max=0.004898 Jy/beam ! Clean residual mean=0.000023 rms=0.001214 Jy/beam ! Combined flux in latest and established models = 0.16666 Jy ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 211 components and 0.16666 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=0.091659Jy sigma=0.562356 ! Fit after self-cal, rms=0.091611Jy sigma=0.562251 ! 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=1.046 mas, bmaj=1.84 mas, bpa=-2.696 degrees ! Estimated noise=0.438723 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.046 x 1.84 at -2.696 degrees (North through East) ! Clean map min=-0.0035251 max=0.093074 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=0.7508 mas, bmaj=1.364 mas, bpa=-4.03 degrees ! Estimated noise=1.15172 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.06428 Jy ! Component: 100 - total flux cleaned = 0.0871693 Jy ! Component: 150 - total flux cleaned = 0.0991143 Jy ! Component: 200 - total flux cleaned = 0.107701 Jy ! Total flux subtracted in 200 components = 0.107701 Jy ! Clean residual min=-0.005985 max=0.006784 Jy/beam ! Clean residual mean=0.000004 rms=0.001398 Jy/beam ! Combined flux in latest and established models = 0.107701 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 28 model components to the UV plane model. ! The established model now contains 28 components and 0.107701 Jy ! Inverting map and beam ! Estimated beam: bmin=1.046 mas, bmaj=1.84 mas, bpa=-2.696 degrees ! Estimated noise=0.438723 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 = 0.0111393 Jy ! Component: 100 - total flux cleaned = 0.0191862 Jy ! Component: 150 - total flux cleaned = 0.0258427 Jy ! Component: 200 - total flux cleaned = 0.0314751 Jy ! Total flux subtracted in 200 components = 0.0314751 Jy ! Clean residual min=-0.004537 max=0.005702 Jy/beam ! Clean residual mean=0.000012 rms=0.001326 Jy/beam ! Combined flux in latest and established models = 0.139176 Jy ! Adding 38 model components to the UV plane model. ! The established model now contains 56 components and 0.139177 Jy ! Inverting map ! Added new window around map position (38.8, 26.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00557757 Jy ! Component: 100 - total flux cleaned = 0.00960738 Jy ! Component: 150 - total flux cleaned = 0.012584 Jy ! Component: 200 - total flux cleaned = 0.015267 Jy ! Total flux subtracted in 200 components = 0.015267 Jy ! Clean residual min=-0.003943 max=0.004598 Jy/beam ! Clean residual mean=0.000012 rms=0.001115 Jy/beam ! Combined flux in latest and established models = 0.154443 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 80 components and 0.154443 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=2.309 mas, bmaj=3.003 mas, bpa=13.8 degrees ! Estimated noise=0.487291 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00384376 Jy ! Component: 100 - total flux cleaned = 0.00618315 Jy ! Component: 150 - total flux cleaned = 0.00722413 Jy ! Component: 200 - total flux cleaned = 0.00817328 Jy ! Total flux subtracted in 200 components = 0.00817328 Jy ! Clean residual min=-0.005175 max=0.005183 Jy/beam ! Clean residual mean=0.000020 rms=0.001320 Jy/beam ! Combined flux in latest and established models = 0.162617 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 = 0.000863255 Jy ! Component: 100 - total flux cleaned = 0.00126032 Jy ! Component: 150 - total flux cleaned = 0.00172395 Jy ! Component: 200 - total flux cleaned = 0.00214983 Jy ! Total flux subtracted in 200 components = 0.00214983 Jy ! Clean residual min=-0.004890 max=0.004761 Jy/beam ! Clean residual mean=0.000019 rms=0.001242 Jy/beam ! Combined flux in latest and established models = 0.164767 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 116 components and 0.164767 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.046 mas, bmaj=1.84 mas, bpa=-2.696 degrees ! Estimated noise=0.438723 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0012747 Jy ! Component: 100 - total flux cleaned = 0.00153147 Jy ! Component: 150 - total flux cleaned = 0.00160887 Jy ! Component: 200 - total flux cleaned = 0.00175569 Jy ! Total flux subtracted in 200 components = 0.00175569 Jy ! Clean residual min=-0.003607 max=0.003937 Jy/beam ! Clean residual mean=0.000009 rms=0.000942 Jy/beam ! Combined flux in latest and established models = 0.166522 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 148 components and 0.166522 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=0.091392Jy sigma=0.562933 ! Fit after self-cal, rms=0.091295Jy sigma=0.562415 wmodel J2020+294A_X_map.mod ! Writing 148 model components to file: J2020+294A_X_map.mod wobs J2020+294A_X_uvs.fits ! Writing UV FITS file: J2020+294A_X_uvs.fits wwins J2020+294A_X_map.win ! wwins: Wrote 6 windows to J2020+294A_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 = 0.0014668 Jy ! Component: 100 - total flux cleaned = 0.0020638 Jy ! Component: 150 - total flux cleaned = 0.00269169 Jy ! Component: 200 - total flux cleaned = 0.0032366 Jy ! Component: 250 - total flux cleaned = 0.00370495 Jy ! Component: 300 - total flux cleaned = 0.00427347 Jy ! Component: 350 - total flux cleaned = 0.00471698 Jy ! Component: 400 - total flux cleaned = 0.00515169 Jy ! Component: 450 - total flux cleaned = 0.00557662 Jy ! Component: 500 - total flux cleaned = 0.00593983 Jy ! Component: 550 - total flux cleaned = 0.00624356 Jy ! Component: 600 - total flux cleaned = 0.00649229 Jy ! Component: 650 - total flux cleaned = 0.00678495 Jy ! Component: 700 - total flux cleaned = 0.00711911 Jy ! Component: 750 - total flux cleaned = 0.00725939 Jy ! Component: 800 - total flux cleaned = 0.00744298 Jy ! Component: 850 - total flux cleaned = 0.00748746 Jy ! Component: 900 - total flux cleaned = 0.00762113 Jy ! Component: 950 - total flux cleaned = 0.00762096 Jy ! Component: 1000 - total flux cleaned = 0.0076645 Jy ! Component: 1050 - total flux cleaned = 0.00766544 Jy ! Component: 1100 - total flux cleaned = 0.00775023 Jy ! Component: 1150 - total flux cleaned = 0.00791711 Jy ! Component: 1200 - total flux cleaned = 0.00799866 Jy ! Component: 1250 - total flux cleaned = 0.00812051 Jy ! Component: 1300 - total flux cleaned = 0.00824119 Jy ! Component: 1350 - total flux cleaned = 0.00840027 Jy ! Component: 1400 - total flux cleaned = 0.00859756 Jy ! Component: 1450 - total flux cleaned = 0.008793 Jy ! Component: 1500 - total flux cleaned = 0.00887059 Jy ! Component: 1550 - total flux cleaned = 0.00913898 Jy ! Component: 1600 - total flux cleaned = 0.00940478 Jy ! Component: 1650 - total flux cleaned = 0.00966771 Jy ! Component: 1700 - total flux cleaned = 0.00981674 Jy ! Component: 1750 - total flux cleaned = 0.0098544 Jy ! Component: 1800 - total flux cleaned = 0.0101484 Jy ! Component: 1850 - total flux cleaned = 0.01044 Jy ! Component: 1900 - total flux cleaned = 0.0105485 Jy ! Component: 1950 - total flux cleaned = 0.0106565 Jy ! Component: 2000 - total flux cleaned = 0.0109066 Jy ! Component: 2050 - total flux cleaned = 0.011084 Jy ! Component: 2100 - total flux cleaned = 0.0111901 Jy ! Component: 2150 - total flux cleaned = 0.0113302 Jy ! Component: 2200 - total flux cleaned = 0.0116429 Jy ! Component: 2250 - total flux cleaned = 0.0117809 Jy ! Component: 2300 - total flux cleaned = 0.0118154 Jy ! Component: 2350 - total flux cleaned = 0.0119856 Jy ! Component: 2400 - total flux cleaned = 0.0121211 Jy ! Component: 2450 - total flux cleaned = 0.0122559 Jy ! Component: 2500 - total flux cleaned = 0.0123898 Jy ! Component: 2550 - total flux cleaned = 0.0126226 Jy ! Component: 2600 - total flux cleaned = 0.0127217 Jy ! Component: 2650 - total flux cleaned = 0.0129845 Jy ! Component: 2700 - total flux cleaned = 0.0130498 Jy ! Component: 2750 - total flux cleaned = 0.0132124 Jy ! Component: 2800 - total flux cleaned = 0.0134063 Jy ! Component: 2850 - total flux cleaned = 0.0134706 Jy ! Component: 2900 - total flux cleaned = 0.0135667 Jy ! Component: 2950 - total flux cleaned = 0.013694 Jy ! Component: 3000 - total flux cleaned = 0.0137889 Jy ! Component: 3050 - total flux cleaned = 0.0139464 Jy ! Component: 3100 - total flux cleaned = 0.0140092 Jy ! Component: 3150 - total flux cleaned = 0.0141028 Jy ! Component: 3200 - total flux cleaned = 0.014196 Jy ! Component: 3250 - total flux cleaned = 0.0143507 Jy ! Component: 3300 - total flux cleaned = 0.0144739 Jy ! Component: 3350 - total flux cleaned = 0.0145659 Jy ! Component: 3400 - total flux cleaned = 0.014627 Jy ! Component: 3450 - total flux cleaned = 0.0148701 Jy ! Component: 3500 - total flux cleaned = 0.01487 Jy ! Component: 3550 - total flux cleaned = 0.0150207 Jy ! Component: 3600 - total flux cleaned = 0.0151107 Jy ! Component: 3650 - total flux cleaned = 0.0153496 Jy ! Component: 3700 - total flux cleaned = 0.015439 Jy ! Component: 3750 - total flux cleaned = 0.0156463 Jy ! Component: 3800 - total flux cleaned = 0.0157939 Jy ! Component: 3850 - total flux cleaned = 0.0159703 Jy ! Component: 3900 - total flux cleaned = 0.0161169 Jy ! Component: 3950 - total flux cleaned = 0.0162335 Jy ! Component: 4000 - total flux cleaned = 0.0164955 Jy ! Component: 4050 - total flux cleaned = 0.0165244 Jy ! Total flux subtracted in 4096 components = 0.0167557 Jy ! Clean residual min=-0.001815 max=0.001794 Jy/beam ! Clean residual mean=0.000021 rms=0.000527 Jy/beam ! Combined flux in latest and established models = 0.183278 Jy keep ! Adding 335 model components to the UV plane model. ! The established model now contains 483 components and 0.183278 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2020+294A_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.046 x 1.84 at -2.696 degrees (North through East) ! Clean map min=-0.0028189 max=0.093958 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2020+294A_X_map.fits wmodel /image_prod/ug002_uva//J2020+294A_X_map.mod ! Writing 483 model components to file: /image_prod/ug002_uva//J2020+294A_X_map.mod wobs /image_prod/ug002_uva//J2020+294A_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2020+294A_X_uvs.fits wwins /image_prod/ug002_uva//J2020+294A_X_map.win ! wwins: Wrote 7 windows to /image_prod/ug002_uva//J2020+294A_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0939576 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000499895 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -1.59613 1.59613 3.19226 6.38452 12.769 25.5381 51.0762 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0014 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.093 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 187.954 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2020+294A_X_dfm.log closed on Thu Mar 5 04:44:29 2020