! Started logfile: /image_prod/ug002_uva//J2018+0831_X_dfm.log on Thu Mar 5 04:43:22 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//J2018+0831_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J2018+0831_X_uva.fits ! AN table 1: 45 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.958025 visibilities/baseline/integration-bin. ! Found source: J2018+0831 ! ! 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 18624 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 J2018+0831_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 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 9 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.039239Jy sigma=8.850408 ! Fit after self-cal, rms=0.721144Jy sigma=6.114149 ! 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=0.6645 mas, bmaj=1.737 mas, bpa=-2.69 degrees ! Estimated noise=0.972301 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 = 0.211339 Jy ! Component: 100 - total flux cleaned = 0.262381 Jy ! Total flux subtracted in 100 components = 0.262381 Jy ! Clean residual min=-0.008453 max=0.019900 Jy/beam ! Clean residual mean=-0.000000 rms=0.001934 Jy/beam ! Combined flux in latest and established models = 0.262381 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.262381 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=0.073807Jy sigma=0.603677 ! Fit after self-cal, rms=0.073812Jy sigma=0.603548 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0225787 Jy ! Component: 100 - total flux cleaned = 0.0365468 Jy ! Total flux subtracted in 100 components = 0.0365468 Jy ! Clean residual min=-0.006639 max=0.008278 Jy/beam ! Clean residual mean=-0.000001 rms=0.001266 Jy/beam ! Combined flux in latest and established models = 0.298928 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 22 components and 0.298928 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=0.063332Jy sigma=0.504415 ! Fit after self-cal, rms=0.063328Jy sigma=0.504239 ! Inverting map ! Added new window around map position (1.8, 1.8). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00963728 Jy ! Component: 100 - total flux cleaned = 0.0163741 Jy ! Total flux subtracted in 100 components = 0.0163741 Jy ! Clean residual min=-0.005905 max=0.005703 Jy/beam ! Clean residual mean=-0.000001 rms=0.001107 Jy/beam ! Combined flux in latest and established models = 0.315302 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 39 components and 0.315302 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=0.061014Jy sigma=0.483194 ! Fit after self-cal, rms=0.060991Jy sigma=0.482959 ! 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=0.8268 mas, bmaj=1.974 mas, bpa=-1.653 degrees ! Estimated noise=0.618432 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 = 0.00778268 Jy ! Component: 100 - total flux cleaned = 0.0123947 Jy ! Component: 150 - total flux cleaned = 0.0154045 Jy ! Component: 200 - total flux cleaned = 0.0174229 Jy ! Total flux subtracted in 200 components = 0.0174229 Jy ! Clean residual min=-0.006116 max=0.006734 Jy/beam ! Clean residual mean=-0.000000 rms=0.001222 Jy/beam ! Combined flux in latest and established models = 0.332725 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 55 components and 0.332725 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=0.059850Jy sigma=0.474169 ! Fit after self-cal, rms=0.059838Jy sigma=0.474011 ! Inverting map ! Added new window around map position (-1, -6.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00579704 Jy ! Component: 100 - total flux cleaned = 0.00862466 Jy ! Component: 150 - total flux cleaned = 0.00993491 Jy ! Component: 200 - total flux cleaned = 0.0108813 Jy ! Total flux subtracted in 200 components = 0.0108813 Jy ! Clean residual min=-0.005759 max=0.004782 Jy/beam ! Clean residual mean=-0.000000 rms=0.001119 Jy/beam ! Combined flux in latest and established models = 0.343606 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 81 components and 0.343606 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=0.059214Jy sigma=0.468825 ! Fit after self-cal, rms=0.059136Jy sigma=0.468077 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8268 x 1.974 at -1.653 degrees (North through East) ! Clean map min=-0.0053337 max=0.2782 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.05 HN 0.98 KP 1.05 ! LA 1.05 MK 1.00 OV 0.93 PT 0.91 ! SC 1.04 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 0.97 KP 1.06 ! LA 1.06 MK 1.02 OV 0.94 PT 0.93 ! SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 0.98 KP 1.06 ! LA 1.04 MK 1.03 OV 0.94 PT 0.93 ! SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 0.97 KP 1.05 ! LA 1.03 MK 0.99 OV 0.94 PT 0.91 ! SC 1.02 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 0.98 KP 1.03 ! LA 1.03 MK 1.03 OV 0.94 PT 0.91 ! SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.05 HN 1.00 KP 1.06 ! LA 1.03 MK 1.03 OV 0.93 PT 0.92 ! SC 1.02 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.07 HN 0.96 KP 1.04 ! LA 1.04 MK 1.03 OV 0.93 PT 0.94 ! SC 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.05 HN 0.98 KP 1.05 ! LA 1.03 MK 1.02 OV 0.93 PT 0.93 ! SC 1.02 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 1.03 HN 1.01 KP 1.05 ! LA 1.02 MK 1.02 OV 0.95 PT 0.94 ! SC 1.02 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.06 HN 1.01 KP 1.02 ! LA 1.06 MK 1.03 OV 0.95 PT 0.90 ! SC 1.06 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.05 HN 1.00 KP 1.05 ! LA 1.05 MK 1.04 OV 0.94 PT 0.93 ! SC 1.05 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.06 HN 1.00 KP 1.06 ! LA 1.04 MK 1.04 OV 0.92 PT 0.92 ! SC 1.02 ! ! ! Fit before self-cal, rms=0.059136Jy sigma=0.468077 ! Fit after self-cal, rms=0.056302Jy sigma=0.439865 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8325 mas, bmaj=1.982 mas, bpa=-1.669 degrees ! Estimated noise=0.621691 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 = -0.000937529 Jy ! Component: 100 - total flux cleaned = -0.00119181 Jy ! Component: 150 - total flux cleaned = -0.00145425 Jy ! Component: 200 - total flux cleaned = -0.0015895 Jy ! Total flux subtracted in 200 components = -0.0015895 Jy ! Clean residual min=-0.002041 max=0.002109 Jy/beam ! Clean residual mean=0.000000 rms=0.000435 Jy/beam ! Combined flux in latest and established models = 0.342017 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 94 components and 0.342017 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=0.056182Jy sigma=0.438769 ! Fit after self-cal, rms=0.056185Jy sigma=0.438691 ! 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=0.056185Jy sigma=0.438691 ! Fit after self-cal, rms=0.056161Jy sigma=0.435071 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8319 mas, bmaj=1.983 mas, bpa=-1.668 degrees ! Estimated noise=0.621683 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00103312 Jy ! Component: 100 - total flux cleaned = -0.00130592 Jy ! Component: 150 - total flux cleaned = -0.0013661 Jy ! Component: 200 - total flux cleaned = -0.0014202 Jy ! Total flux subtracted in 200 components = -0.0014202 Jy ! Clean residual min=-0.001480 max=0.001544 Jy/beam ! Clean residual mean=0.000001 rms=0.000334 Jy/beam ! Combined flux in latest and established models = 0.340596 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 109 components and 0.340596 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=0.056117Jy sigma=0.434626 ! Fit after self-cal, rms=0.056122Jy sigma=0.434603 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 (3.2, -1.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000960908 Jy ! Component: 100 - total flux cleaned = 0.00113835 Jy ! Component: 150 - total flux cleaned = 0.00113994 Jy ! Component: 200 - total flux cleaned = 0.00108882 Jy ! Total flux subtracted in 200 components = 0.00108882 Jy ! Clean residual min=-0.001441 max=0.001249 Jy/beam ! Clean residual mean=0.000001 rms=0.000316 Jy/beam ! Combined flux in latest and established models = 0.341685 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 124 components and 0.341685 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=0.056081Jy sigma=0.434187 ! Fit after self-cal, rms=0.056078Jy sigma=0.434170 ! 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=0.056078Jy sigma=0.434170 ! Fit after self-cal, rms=0.056145Jy sigma=0.433999 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8322 mas, bmaj=1.984 mas, bpa=-1.692 degrees ! Estimated noise=0.621268 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000238321 Jy ! Component: 100 - total flux cleaned = -0.000289374 Jy ! Component: 150 - total flux cleaned = -0.000408397 Jy ! Component: 200 - total flux cleaned = -0.000473771 Jy ! Total flux subtracted in 200 components = -0.000473771 Jy ! Clean residual min=-0.001315 max=0.001264 Jy/beam ! Clean residual mean=0.000001 rms=0.000298 Jy/beam ! Combined flux in latest and established models = 0.341211 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 132 components and 0.341211 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=0.056125Jy sigma=0.433787 ! Fit after self-cal, rms=0.056126Jy sigma=0.433782 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 = -0.000111443 Jy ! Component: 100 - total flux cleaned = -0.000131663 Jy ! Component: 150 - total flux cleaned = -0.000205163 Jy ! Component: 200 - total flux cleaned = -0.000257044 Jy ! Total flux subtracted in 200 components = -0.000257044 Jy ! Clean residual min=-0.001294 max=0.001257 Jy/beam ! Clean residual mean=0.000001 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.340954 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 146 components and 0.340954 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=0.056115Jy sigma=0.433680 ! Fit after self-cal, rms=0.056114Jy sigma=0.433678 ! 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=0.056114Jy sigma=0.433678 ! Fit after self-cal, rms=0.056122Jy sigma=0.433654 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.264 mas, bmaj=3.226 mas, bpa=15.11 degrees ! Estimated noise=0.803163 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00054835 Jy ! Component: 100 - total flux cleaned = -0.000819007 Jy ! Component: 150 - total flux cleaned = -0.00107775 Jy ! Component: 200 - total flux cleaned = -0.00130444 Jy ! Total flux subtracted in 200 components = -0.00130444 Jy ! Clean residual min=-0.001664 max=0.001675 Jy/beam ! Clean residual mean=0.000002 rms=0.000406 Jy/beam ! Combined flux in latest and established models = 0.33965 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 160 components and 0.33965 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=0.056115Jy sigma=0.433572 ! Fit after self-cal, rms=0.056114Jy sigma=0.433558 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 = -0.000229108 Jy ! Component: 100 - total flux cleaned = -0.000388344 Jy ! Component: 150 - total flux cleaned = -0.000566233 Jy ! Component: 200 - total flux cleaned = -0.000695831 Jy ! Total flux subtracted in 200 components = -0.000695831 Jy ! Clean residual min=-0.001591 max=0.001565 Jy/beam ! Clean residual mean=0.000002 rms=0.000392 Jy/beam ! Combined flux in latest and established models = 0.338954 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 168 components and 0.338954 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=0.056112Jy sigma=0.433544 ! Fit after self-cal, rms=0.056111Jy sigma=0.433535 ! 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=0.8324 mas, bmaj=1.984 mas, bpa=-1.695 degrees ! Estimated noise=0.620933 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8324 x 1.984 at -1.695 degrees (North through East) ! Clean map min=-0.0011718 max=0.27984 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=0.6675 mas, bmaj=1.741 mas, bpa=-2.733 degrees ! Estimated noise=0.981297 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.21321 Jy ! Component: 100 - total flux cleaned = 0.264305 Jy ! Component: 150 - total flux cleaned = 0.286576 Jy ! Component: 200 - total flux cleaned = 0.300117 Jy ! Total flux subtracted in 200 components = 0.300117 Jy ! Clean residual min=-0.003838 max=0.007165 Jy/beam ! Clean residual mean=0.000000 rms=0.000857 Jy/beam ! Combined flux in latest and established models = 0.300117 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 20 model components to the UV plane model. ! The established model now contains 20 components and 0.300117 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8324 mas, bmaj=1.984 mas, bpa=-1.695 degrees ! Estimated noise=0.620933 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 = 0.0122734 Jy ! Component: 100 - total flux cleaned = 0.019232 Jy ! Component: 150 - total flux cleaned = 0.0238021 Jy ! Component: 200 - total flux cleaned = 0.0269981 Jy ! Total flux subtracted in 200 components = 0.0269981 Jy ! Clean residual min=-0.001767 max=0.002909 Jy/beam ! Clean residual mean=0.000001 rms=0.000410 Jy/beam ! Combined flux in latest and established models = 0.327115 Jy ! Adding 34 model components to the UV plane model. ! The established model now contains 47 components and 0.327115 Jy ! Inverting map ! Added new window around map position (0.4, -3.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00289386 Jy ! Component: 100 - total flux cleaned = 0.00489716 Jy ! Component: 150 - total flux cleaned = 0.00628795 Jy ! Component: 200 - total flux cleaned = 0.00720777 Jy ! Total flux subtracted in 200 components = 0.00720777 Jy ! Clean residual min=-0.001277 max=0.001221 Jy/beam ! Clean residual mean=0.000001 rms=0.000298 Jy/beam ! Combined flux in latest and established models = 0.334323 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 77 components and 0.334323 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=2.264 mas, bmaj=3.226 mas, bpa=15.11 degrees ! Estimated noise=0.803163 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00134545 Jy ! Component: 100 - total flux cleaned = 0.0019681 Jy ! Component: 150 - total flux cleaned = 0.00229982 Jy ! Component: 200 - total flux cleaned = 0.00254524 Jy ! Total flux subtracted in 200 components = 0.00254524 Jy ! Clean residual min=-0.001652 max=0.001309 Jy/beam ! Clean residual mean=0.000003 rms=0.000381 Jy/beam ! Combined flux in latest and established models = 0.336868 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 = 0.000219962 Jy ! Component: 100 - total flux cleaned = 0.000378731 Jy ! Component: 150 - total flux cleaned = 0.00046231 Jy ! Component: 200 - total flux cleaned = 0.000550312 Jy ! Total flux subtracted in 200 components = 0.000550312 Jy ! Clean residual min=-0.001564 max=0.001346 Jy/beam ! Clean residual mean=0.000003 rms=0.000374 Jy/beam ! Combined flux in latest and established models = 0.337418 Jy ! Adding 47 model components to the UV plane model. ! The established model now contains 113 components and 0.337418 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8324 mas, bmaj=1.984 mas, bpa=-1.695 degrees ! Estimated noise=0.620933 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000252992 Jy ! Component: 100 - total flux cleaned = -0.00015118 Jy ! Component: 150 - total flux cleaned = -5.72612e-05 Jy ! Component: 200 - total flux cleaned = 5.40469e-05 Jy ! Total flux subtracted in 200 components = 5.40469e-05 Jy ! Clean residual min=-0.001187 max=0.001169 Jy/beam ! Clean residual mean=0.000001 rms=0.000272 Jy/beam ! Combined flux in latest and established models = 0.337473 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 133 components and 0.337473 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=0.056141Jy sigma=0.433716 ! Fit after self-cal, rms=0.056130Jy sigma=0.433655 wmodel J2018+0831_X_map.mod ! Writing 133 model components to file: J2018+0831_X_map.mod wobs J2018+0831_X_uvs.fits ! Writing UV FITS file: J2018+0831_X_uvs.fits wwins J2018+0831_X_map.win ! wwins: Wrote 5 windows to J2018+0831_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 = 5.29748e-05 Jy ! Component: 100 - total flux cleaned = -0.000146332 Jy ! Component: 150 - total flux cleaned = -0.000222876 Jy ! Component: 200 - total flux cleaned = -0.000313737 Jy ! Component: 250 - total flux cleaned = -0.000348267 Jy ! Component: 300 - total flux cleaned = -0.000330755 Jy ! Component: 350 - total flux cleaned = -0.000347187 Jy ! Component: 400 - total flux cleaned = -0.000395787 Jy ! Component: 450 - total flux cleaned = -0.00044346 Jy ! Component: 500 - total flux cleaned = -0.000443766 Jy ! Component: 550 - total flux cleaned = -0.000551165 Jy ! Component: 600 - total flux cleaned = -0.000581218 Jy ! Component: 650 - total flux cleaned = -0.000595941 Jy ! Component: 700 - total flux cleaned = -0.000552302 Jy ! Component: 750 - total flux cleaned = -0.000566961 Jy ! Component: 800 - total flux cleaned = -0.000566948 Jy ! Component: 850 - total flux cleaned = -0.000483303 Jy ! Component: 900 - total flux cleaned = -0.000497033 Jy ! Component: 950 - total flux cleaned = -0.000429165 Jy ! Component: 1000 - total flux cleaned = -0.000402681 Jy ! Component: 1050 - total flux cleaned = -0.000363296 Jy ! Component: 1100 - total flux cleaned = -0.000349964 Jy ! Component: 1150 - total flux cleaned = -0.000285691 Jy ! Component: 1200 - total flux cleaned = -0.000298362 Jy ! Component: 1250 - total flux cleaned = -0.000285506 Jy ! Component: 1300 - total flux cleaned = -0.00021048 Jy ! Component: 1350 - total flux cleaned = -0.00019845 Jy ! Component: 1400 - total flux cleaned = -0.000198569 Jy ! Component: 1450 - total flux cleaned = -0.000162176 Jy ! Component: 1500 - total flux cleaned = -0.000114361 Jy ! Component: 1550 - total flux cleaned = -7.87865e-05 Jy ! Component: 1600 - total flux cleaned = -6.69203e-05 Jy ! Component: 1650 - total flux cleaned = -2.01201e-05 Jy ! Component: 1700 - total flux cleaned = 1.45546e-05 Jy ! Component: 1750 - total flux cleaned = 7.21402e-05 Jy ! Component: 1800 - total flux cleaned = 0.000128991 Jy ! Component: 1850 - total flux cleaned = 0.000129057 Jy ! Component: 1900 - total flux cleaned = 0.00022977 Jy ! Component: 1950 - total flux cleaned = 0.000251789 Jy ! Component: 2000 - total flux cleaned = 0.000284963 Jy ! Component: 2050 - total flux cleaned = 0.000361507 Jy ! Component: 2100 - total flux cleaned = 0.000426661 Jy ! Component: 2150 - total flux cleaned = 0.000458979 Jy ! Component: 2200 - total flux cleaned = 0.00050171 Jy ! Component: 2250 - total flux cleaned = 0.000522799 Jy ! Component: 2300 - total flux cleaned = 0.000554296 Jy ! Component: 2350 - total flux cleaned = 0.000606573 Jy ! Component: 2400 - total flux cleaned = 0.000606614 Jy ! Component: 2450 - total flux cleaned = 0.00065795 Jy ! Component: 2500 - total flux cleaned = 0.000668207 Jy ! Component: 2550 - total flux cleaned = 0.000729145 Jy ! Component: 2600 - total flux cleaned = 0.000739184 Jy ! Component: 2650 - total flux cleaned = 0.000759323 Jy ! Component: 2700 - total flux cleaned = 0.000789178 Jy ! Component: 2750 - total flux cleaned = 0.000828702 Jy ! Component: 2800 - total flux cleaned = 0.000818969 Jy ! Component: 2850 - total flux cleaned = 0.000906681 Jy ! Component: 2900 - total flux cleaned = 0.000935815 Jy ! Component: 2950 - total flux cleaned = 0.000955071 Jy ! Component: 3000 - total flux cleaned = 0.00101246 Jy ! Component: 3050 - total flux cleaned = 0.00104098 Jy ! Component: 3100 - total flux cleaned = 0.00105041 Jy ! Component: 3150 - total flux cleaned = 0.00112554 Jy ! Component: 3200 - total flux cleaned = 0.00114416 Jy ! Component: 3250 - total flux cleaned = 0.00116272 Jy ! Component: 3300 - total flux cleaned = 0.00118114 Jy ! Component: 3350 - total flux cleaned = 0.00121788 Jy ! Component: 3400 - total flux cleaned = 0.00127261 Jy ! Component: 3450 - total flux cleaned = 0.00125451 Jy ! Component: 3500 - total flux cleaned = 0.00130861 Jy ! Component: 3550 - total flux cleaned = 0.0013086 Jy ! Component: 3600 - total flux cleaned = 0.00133538 Jy ! Component: 3650 - total flux cleaned = 0.00133533 Jy ! Component: 3700 - total flux cleaned = 0.00134414 Jy ! Component: 3750 - total flux cleaned = 0.00137054 Jy ! Component: 3800 - total flux cleaned = 0.00136184 Jy ! Component: 3850 - total flux cleaned = 0.00140531 Jy ! Component: 3900 - total flux cleaned = 0.00141401 Jy ! Component: 3950 - total flux cleaned = 0.00138821 Jy ! Component: 4000 - total flux cleaned = 0.00138818 Jy ! Component: 4050 - total flux cleaned = 0.00140523 Jy ! Total flux subtracted in 4096 components = 0.00144765 Jy ! Clean residual min=-0.000550 max=0.000570 Jy/beam ! Clean residual mean=0.000000 rms=0.000146 Jy/beam ! Combined flux in latest and established models = 0.33892 Jy keep ! Adding 297 model components to the UV plane model. ! The established model now contains 429 components and 0.33892 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J2018+0831_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8324 x 1.984 at -1.695 degrees (North through East) ! Clean map min=-0.00077544 max=0.28113 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J2018+0831_X_map.fits wmodel /image_prod/ug002_uva//J2018+0831_X_map.mod ! Writing 429 model components to file: /image_prod/ug002_uva//J2018+0831_X_map.mod wobs /image_prod/ug002_uva//J2018+0831_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J2018+0831_X_uvs.fits wwins /image_prod/ug002_uva//J2018+0831_X_map.win ! wwins: Wrote 6 windows to /image_prod/ug002_uva//J2018+0831_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.281132 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000145919 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.155712 0.155712 0.311424 0.622848 1.2457 2.49139 4.98278 9.96556 19.9311 39.8623 79.7245 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.281 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1926.63 quit ! Quitting program ! Log file /image_prod/ug002_uva//J2018+0831_X_dfm.log closed on Thu Mar 5 04:43:26 2020