! Started logfile: /image_prod/ug002_uva//J1922+0841_X_dfm.log on Thu Mar 5 04:08:48 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//J1922+0841_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1922+0841_X_uva.fits ! AN table 1: 60 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.916667 visibilities/baseline/integration-bin. ! Found source: J1922+0841 ! ! 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 23760 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 J1922+0841_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 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 20 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.004390Jy sigma=9.086898 ! Fit after self-cal, rms=0.944996Jy sigma=8.530021 ! 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=0.6766 mas, bmaj=1.637 mas, bpa=-4.615 degrees ! Estimated noise=0.802819 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 = 0.0458895 Jy ! Component: 100 - total flux cleaned = 0.057276 Jy ! Total flux subtracted in 100 components = 0.057276 Jy ! Clean residual min=-0.006940 max=0.019394 Jy/beam ! Clean residual mean=0.000008 rms=0.001602 Jy/beam ! Combined flux in latest and established models = 0.057276 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.057276 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=0.070988Jy sigma=0.608876 ! Fit after self-cal, rms=0.069719Jy sigma=0.598018 ! Inverting map ! Added new window around map position (0, 3.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0189082 Jy ! Component: 100 - total flux cleaned = 0.0284417 Jy ! Total flux subtracted in 100 components = 0.0284417 Jy ! Clean residual min=-0.004883 max=0.006937 Jy/beam ! Clean residual mean=0.000005 rms=0.001147 Jy/beam ! Combined flux in latest and established models = 0.0857177 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 14 components and 0.0857177 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=0.063794Jy sigma=0.536354 ! Fit after self-cal, rms=0.062380Jy sigma=0.526239 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00940459 Jy ! Component: 100 - total flux cleaned = 0.0155578 Jy ! Total flux subtracted in 100 components = 0.0155578 Jy ! Clean residual min=-0.003973 max=0.006578 Jy/beam ! Clean residual mean=0.000004 rms=0.000945 Jy/beam ! Combined flux in latest and established models = 0.101275 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 22 components and 0.101275 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=0.060551Jy sigma=0.506411 ! Fit after self-cal, rms=0.060391Jy sigma=0.505382 ! Inverting map ! Added new window around map position (-3, 6.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00695959 Jy ! Component: 100 - total flux cleaned = 0.0117909 Jy ! Total flux subtracted in 100 components = 0.0117909 Jy ! Clean residual min=-0.003452 max=0.004345 Jy/beam ! Clean residual mean=0.000004 rms=0.000796 Jy/beam ! Combined flux in latest and established models = 0.113066 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 29 components and 0.113066 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=0.059393Jy sigma=0.494408 ! Fit after self-cal, rms=0.059317Jy sigma=0.493934 ! 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=0.8218 mas, bmaj=1.854 mas, bpa=-4.174 degrees ! Estimated noise=0.516282 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 (-0.8, 4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00629503 Jy ! Component: 100 - total flux cleaned = 0.0108022 Jy ! Component: 150 - total flux cleaned = 0.0144493 Jy ! Component: 200 - total flux cleaned = 0.0174569 Jy ! Total flux subtracted in 200 components = 0.0174569 Jy ! Clean residual min=-0.002903 max=0.003537 Jy/beam ! Clean residual mean=0.000002 rms=0.000633 Jy/beam ! Combined flux in latest and established models = 0.130523 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 63 components and 0.130523 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=0.058449Jy sigma=0.484186 ! Fit after self-cal, rms=0.058398Jy sigma=0.483579 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8218 x 1.854 at -4.174 degrees (North through East) ! Clean map min=-0.002588 max=0.063198 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 HN 0.99 KP 0.97 ! LA 0.89 MK 1.00 NL 1.10 OV 0.91 ! SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.97 HN 0.97 KP 1.00 ! LA 0.91 MK 1.00 NL 1.10 OV 0.88 ! SC 1.00 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HN 1.02 KP 1.01 ! LA 0.90 MK 1.02 NL 1.11 OV 0.89 ! SC 0.95 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.97 HN 1.01 KP 1.02 ! LA 0.88 MK 1.00 NL 1.10 OV 0.90 ! SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 1.02 KP 1.01 ! LA 0.91 MK 1.04 NL 1.09 OV 0.88 ! SC 0.96 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.00 HN 0.96 KP 1.00 ! LA 0.94 MK 1.01 NL 1.08 OV 0.89 ! SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.05 HN 1.03 KP 0.99 ! LA 0.89 MK 1.01 NL 1.08 OV 0.89 ! SC 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HN 0.94 KP 0.99 ! LA 0.93 MK 0.98 NL 1.11 OV 0.89 ! SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.98 HN 1.02 KP 0.99 ! LA 0.91 MK 1.00 NL 1.08 OV 0.90 ! SC 0.98 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 1.03 KP 1.03 ! LA 0.89 MK 1.03 NL 1.02 OV 0.92 ! SC 0.97 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.90 FD 1.01 HN 1.02 KP 1.02 ! LA 0.90 MK 1.00 NL 1.12 OV 0.91 ! SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.00 HN 0.94 KP 1.01 ! LA 0.91 MK 0.99 NL 1.08 OV 0.96 ! SC 0.97 ! ! ! Fit before self-cal, rms=0.058398Jy sigma=0.483579 ! Fit after self-cal, rms=0.055284Jy sigma=0.478764 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8282 mas, bmaj=1.862 mas, bpa=-3.486 degrees ! Estimated noise=0.492691 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 = 0.00325256 Jy ! Component: 100 - total flux cleaned = 0.00433645 Jy ! Component: 150 - total flux cleaned = 0.00512445 Jy ! Component: 200 - total flux cleaned = 0.00560172 Jy ! Total flux subtracted in 200 components = 0.00560172 Jy ! Clean residual min=-0.001746 max=0.001946 Jy/beam ! Clean residual mean=-0.000000 rms=0.000346 Jy/beam ! Combined flux in latest and established models = 0.136125 Jy ! Performing phase self-cal ! Adding 35 model components to the UV plane model. ! The established model now contains 85 components and 0.136125 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=0.055039Jy sigma=0.475987 ! Fit after self-cal, rms=0.055065Jy sigma=0.475687 ! 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=0.055065Jy sigma=0.475687 ! Fit after self-cal, rms=0.057359Jy sigma=0.473230 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8282 mas, bmaj=1.857 mas, bpa=-3.205 degrees ! Estimated noise=0.492073 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00121315 Jy ! Component: 100 - total flux cleaned = 0.00164396 Jy ! Component: 150 - total flux cleaned = 0.00192732 Jy ! Component: 200 - total flux cleaned = 0.00223935 Jy ! Total flux subtracted in 200 components = 0.00223935 Jy ! Clean residual min=-0.001080 max=0.001132 Jy/beam ! Clean residual mean=-0.000000 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.138364 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 98 components and 0.138364 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=0.057293Jy sigma=0.472456 ! Fit after self-cal, rms=0.057362Jy sigma=0.472310 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 (-5.2, 2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000551284 Jy ! Component: 100 - total flux cleaned = 0.000853178 Jy ! Component: 150 - total flux cleaned = 0.00102899 Jy ! Component: 200 - total flux cleaned = 0.00116054 Jy ! Total flux subtracted in 200 components = 0.00116054 Jy ! Clean residual min=-0.000998 max=0.000995 Jy/beam ! Clean residual mean=-0.000000 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.139525 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 114 components and 0.139525 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=0.057327Jy sigma=0.471952 ! Fit after self-cal, rms=0.057319Jy sigma=0.471930 ! 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=0.057319Jy sigma=0.471930 ! Fit after self-cal, rms=0.057684Jy sigma=0.471833 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8287 mas, bmaj=1.856 mas, bpa=-3.083 degrees ! Estimated noise=0.490005 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000311995 Jy ! Component: 100 - total flux cleaned = 0.000538743 Jy ! Component: 150 - total flux cleaned = 0.00065137 Jy ! Component: 200 - total flux cleaned = 0.000754997 Jy ! Total flux subtracted in 200 components = 0.000754997 Jy ! Clean residual min=-0.000914 max=0.000964 Jy/beam ! Clean residual mean=-0.000000 rms=0.000228 Jy/beam ! Combined flux in latest and established models = 0.14028 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 123 components and 0.14028 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=0.057665Jy sigma=0.471630 ! Fit after self-cal, rms=0.057677Jy sigma=0.471614 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 (31.4, 3.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000331959 Jy ! Component: 100 - total flux cleaned = 0.00033206 Jy ! Component: 150 - total flux cleaned = 0.000394143 Jy ! Component: 200 - total flux cleaned = 0.000431877 Jy ! Total flux subtracted in 200 components = 0.000431877 Jy ! Clean residual min=-0.000843 max=0.000854 Jy/beam ! Clean residual mean=-0.000000 rms=0.000220 Jy/beam ! Combined flux in latest and established models = 0.140712 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 134 components and 0.140712 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=0.057656Jy sigma=0.471431 ! Fit after self-cal, rms=0.057657Jy sigma=0.471413 ! 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=0.057657Jy sigma=0.471413 ! Fit after self-cal, rms=0.057496Jy sigma=0.471386 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.987 mas, bmaj=2.83 mas, bpa=3.847 degrees ! Estimated noise=0.618045 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000499982 Jy ! Component: 100 - total flux cleaned = 0.000553425 Jy ! Component: 150 - total flux cleaned = 0.000646001 Jy ! Component: 200 - total flux cleaned = 0.000725106 Jy ! Total flux subtracted in 200 components = 0.000725106 Jy ! Clean residual min=-0.000975 max=0.000859 Jy/beam ! Clean residual mean=-0.000001 rms=0.000240 Jy/beam ! Combined flux in latest and established models = 0.141437 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 148 components and 0.141437 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=0.057492Jy sigma=0.471317 ! Fit after self-cal, rms=0.057489Jy sigma=0.471302 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 = 4.05068e-06 Jy ! Component: 100 - total flux cleaned = 8.99655e-05 Jy ! Component: 150 - total flux cleaned = 0.000223518 Jy ! Component: 200 - total flux cleaned = 0.000332487 Jy ! Total flux subtracted in 200 components = 0.000332487 Jy ! Clean residual min=-0.000990 max=0.000860 Jy/beam ! Clean residual mean=-0.000001 rms=0.000234 Jy/beam ! Combined flux in latest and established models = 0.141769 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 164 components and 0.141769 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=0.057487Jy sigma=0.471282 ! Fit after self-cal, rms=0.057484Jy sigma=0.471277 ! 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=0.8292 mas, bmaj=1.855 mas, bpa=-3.021 degrees ! Estimated noise=0.488915 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8292 x 1.855 at -3.021 degrees (North through East) ! Clean map min=-0.00079677 max=0.061073 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=0.6814 mas, bmaj=1.629 mas, bpa=-3.328 degrees ! Estimated noise=0.764534 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0463402 Jy ! Component: 100 - total flux cleaned = 0.0676315 Jy ! Component: 150 - total flux cleaned = 0.0805088 Jy ! Component: 200 - total flux cleaned = 0.0894005 Jy ! Total flux subtracted in 200 components = 0.0894005 Jy ! Clean residual min=-0.003365 max=0.005248 Jy/beam ! Clean residual mean=0.000002 rms=0.000865 Jy/beam ! Combined flux in latest and established models = 0.0894005 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 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0894005 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8292 mas, bmaj=1.855 mas, bpa=-3.021 degrees ! Estimated noise=0.488915 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 = 0.00953397 Jy ! Component: 100 - total flux cleaned = 0.0165866 Jy ! Component: 150 - total flux cleaned = 0.0221845 Jy ! Component: 200 - total flux cleaned = 0.0266933 Jy ! Total flux subtracted in 200 components = 0.0266933 Jy ! Clean residual min=-0.002041 max=0.002708 Jy/beam ! Clean residual mean=0.000001 rms=0.000558 Jy/beam ! Combined flux in latest and established models = 0.116094 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 43 components and 0.116094 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00372147 Jy ! Component: 100 - total flux cleaned = 0.00684246 Jy ! Component: 150 - total flux cleaned = 0.00948863 Jy ! Component: 200 - total flux cleaned = 0.011745 Jy ! Total flux subtracted in 200 components = 0.011745 Jy ! Clean residual min=-0.001543 max=0.001555 Jy/beam ! Clean residual mean=0.000000 rms=0.000356 Jy/beam ! Combined flux in latest and established models = 0.127839 Jy ! Adding 36 model components to the UV plane model. ! The established model now contains 65 components and 0.127839 Jy ! Inverting map ! Added new window around map position (-2.2, 4.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0019839 Jy ! Component: 100 - total flux cleaned = 0.00369424 Jy ! Component: 150 - total flux cleaned = 0.00520142 Jy ! Component: 200 - total flux cleaned = 0.00653728 Jy ! Total flux subtracted in 200 components = 0.00653728 Jy ! Clean residual min=-0.001224 max=0.001057 Jy/beam ! Clean residual mean=-0.000000 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.134376 Jy ! Adding 43 model components to the UV plane model. ! The established model now contains 88 components and 0.134376 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=1.987 mas, bmaj=2.83 mas, bpa=3.847 degrees ! Estimated noise=0.618045 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00199062 Jy ! Component: 100 - total flux cleaned = 0.00327543 Jy ! Component: 150 - total flux cleaned = 0.00407322 Jy ! Component: 200 - total flux cleaned = 0.00466561 Jy ! Total flux subtracted in 200 components = 0.00466561 Jy ! Clean residual min=-0.001071 max=0.001001 Jy/beam ! Clean residual mean=-0.000000 rms=0.000273 Jy/beam ! Combined flux in latest and established models = 0.139042 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 = 0.000393858 Jy ! Component: 100 - total flux cleaned = 0.000736768 Jy ! Component: 150 - total flux cleaned = 0.000978352 Jy ! Component: 200 - total flux cleaned = 0.00125817 Jy ! Total flux subtracted in 200 components = 0.00125817 Jy ! Clean residual min=-0.001028 max=0.000880 Jy/beam ! Clean residual mean=-0.000000 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.1403 Jy ! Adding 76 model components to the UV plane model. ! The established model now contains 147 components and 0.1403 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8292 mas, bmaj=1.855 mas, bpa=-3.021 degrees ! Estimated noise=0.488915 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00020415 Jy ! Component: 100 - total flux cleaned = 0.000229895 Jy ! Component: 150 - total flux cleaned = 0.000336888 Jy ! Component: 200 - total flux cleaned = 0.000531592 Jy ! Total flux subtracted in 200 components = 0.000531592 Jy ! Clean residual min=-0.000893 max=0.000887 Jy/beam ! Clean residual mean=-0.000000 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.140831 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 162 components and 0.140831 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=0.057502Jy sigma=0.471461 ! Fit after self-cal, rms=0.057496Jy sigma=0.471392 wmodel J1922+0841_X_map.mod ! Writing 162 model components to file: J1922+0841_X_map.mod wobs J1922+0841_X_uvs.fits ! Writing UV FITS file: J1922+0841_X_uvs.fits wwins J1922+0841_X_map.win ! wwins: Wrote 7 windows to J1922+0841_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 = -0.000314298 Jy ! Component: 100 - total flux cleaned = -0.000452146 Jy ! Component: 150 - total flux cleaned = -0.000583687 Jy ! Component: 200 - total flux cleaned = -0.000725684 Jy ! Component: 250 - total flux cleaned = -0.000822709 Jy ! Component: 300 - total flux cleaned = -0.000931192 Jy ! Component: 350 - total flux cleaned = -0.00103757 Jy ! Component: 400 - total flux cleaned = -0.0011159 Jy ! Component: 450 - total flux cleaned = -0.00121868 Jy ! Component: 500 - total flux cleaned = -0.00124391 Jy ! Component: 550 - total flux cleaned = -0.00130639 Jy ! Component: 600 - total flux cleaned = -0.00135552 Jy ! Component: 650 - total flux cleaned = -0.00141623 Jy ! Component: 700 - total flux cleaned = -0.00144017 Jy ! Component: 750 - total flux cleaned = -0.00147551 Jy ! Component: 800 - total flux cleaned = -0.00147535 Jy ! Component: 850 - total flux cleaned = -0.00144084 Jy ! Component: 900 - total flux cleaned = -0.0014866 Jy ! Component: 950 - total flux cleaned = -0.00148681 Jy ! Component: 1000 - total flux cleaned = -0.00149805 Jy ! Component: 1050 - total flux cleaned = -0.00150928 Jy ! Component: 1100 - total flux cleaned = -0.0015421 Jy ! Component: 1150 - total flux cleaned = -0.00152028 Jy ! Component: 1200 - total flux cleaned = -0.00150947 Jy ! Component: 1250 - total flux cleaned = -0.00150943 Jy ! Component: 1300 - total flux cleaned = -0.00150956 Jy ! Component: 1350 - total flux cleaned = -0.00153059 Jy ! Component: 1400 - total flux cleaned = -0.00154101 Jy ! Component: 1450 - total flux cleaned = -0.00153069 Jy ! Component: 1500 - total flux cleaned = -0.00154102 Jy ! Component: 1550 - total flux cleaned = -0.00151058 Jy ! Component: 1600 - total flux cleaned = -0.00157095 Jy ! Component: 1650 - total flux cleaned = -0.00155085 Jy ! Component: 1700 - total flux cleaned = -0.00155095 Jy ! Component: 1750 - total flux cleaned = -0.0015608 Jy ! Component: 1800 - total flux cleaned = -0.00160942 Jy ! Component: 1850 - total flux cleaned = -0.00160944 Jy ! Component: 1900 - total flux cleaned = -0.00161889 Jy ! Component: 1950 - total flux cleaned = -0.00160939 Jy ! Component: 2000 - total flux cleaned = -0.0016376 Jy ! Component: 2050 - total flux cleaned = -0.00163771 Jy ! Component: 2100 - total flux cleaned = -0.00169355 Jy ! Component: 2150 - total flux cleaned = -0.00168424 Jy ! Component: 2200 - total flux cleaned = -0.00170264 Jy ! Component: 2250 - total flux cleaned = -0.00173003 Jy ! Component: 2300 - total flux cleaned = -0.00174824 Jy ! Component: 2350 - total flux cleaned = -0.00176612 Jy ! Component: 2400 - total flux cleaned = -0.00178401 Jy ! Component: 2450 - total flux cleaned = -0.00180166 Jy ! Component: 2500 - total flux cleaned = -0.00182804 Jy ! Component: 2550 - total flux cleaned = -0.00182812 Jy ! Component: 2600 - total flux cleaned = -0.00183672 Jy ! Component: 2650 - total flux cleaned = -0.00188 Jy ! Component: 2700 - total flux cleaned = -0.00190582 Jy ! Component: 2750 - total flux cleaned = -0.0019313 Jy ! Component: 2800 - total flux cleaned = -0.00193975 Jy ! Component: 2850 - total flux cleaned = -0.00199885 Jy ! Component: 2900 - total flux cleaned = -0.00203235 Jy ! Component: 2950 - total flux cleaned = -0.00202396 Jy ! Component: 3000 - total flux cleaned = -0.00204891 Jy ! Component: 3050 - total flux cleaned = -0.0021149 Jy ! Component: 3100 - total flux cleaned = -0.00217206 Jy ! Component: 3150 - total flux cleaned = -0.00213952 Jy ! Component: 3200 - total flux cleaned = -0.00215571 Jy ! Component: 3250 - total flux cleaned = -0.0022121 Jy ! Component: 3300 - total flux cleaned = -0.00222816 Jy ! Component: 3350 - total flux cleaned = -0.00227593 Jy ! Component: 3400 - total flux cleaned = -0.00229971 Jy ! Component: 3450 - total flux cleaned = -0.00231542 Jy ! Component: 3500 - total flux cleaned = -0.00238582 Jy ! Component: 3550 - total flux cleaned = -0.00232355 Jy ! Component: 3600 - total flux cleaned = -0.00238552 Jy ! Component: 3650 - total flux cleaned = -0.0023932 Jy ! Component: 3700 - total flux cleaned = -0.00244679 Jy ! Component: 3750 - total flux cleaned = -0.0024392 Jy ! Component: 3800 - total flux cleaned = -0.0024619 Jy ! Component: 3850 - total flux cleaned = -0.00250716 Jy ! Component: 3900 - total flux cleaned = -0.00253713 Jy ! Component: 3950 - total flux cleaned = -0.00256703 Jy ! Component: 4000 - total flux cleaned = -0.00257442 Jy ! Component: 4050 - total flux cleaned = -0.00262613 Jy ! Total flux subtracted in 4096 components = -0.00264814 Jy ! Clean residual min=-0.000408 max=0.000469 Jy/beam ! Clean residual mean=-0.000000 rms=0.000125 Jy/beam ! Combined flux in latest and established models = 0.138183 Jy keep ! Adding 319 model components to the UV plane model. ! The established model now contains 481 components and 0.138183 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1922+0841_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8292 x 1.855 at -3.021 degrees (North through East) ! Clean map min=-0.00060251 max=0.060823 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1922+0841_X_map.fits wmodel /image_prod/ug002_uva//J1922+0841_X_map.mod ! Writing 481 model components to file: /image_prod/ug002_uva//J1922+0841_X_map.mod wobs /image_prod/ug002_uva//J1922+0841_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1922+0841_X_uvs.fits wwins /image_prod/ug002_uva//J1922+0841_X_map.win ! wwins: Wrote 8 windows to /image_prod/ug002_uva//J1922+0841_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0608234 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000124575 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.614443 0.614443 1.22889 2.45777 4.91555 9.83109 19.6622 39.3244 78.6487 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.06 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 488.246 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1922+0841_X_dfm.log closed on Thu Mar 5 04:08:53 2020