! Started logfile: /image_prod/ug002_uva//J1902-0458_X_dfm.log on Thu Mar 5 04:01:19 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//J1902-0458_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1902-0458_X_uva.fits ! AN table 1: 75 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.997333 visibilities/baseline/integration-bin. ! Found source: J1902-0458 ! ! 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 40392 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 J1902-0458_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. ! ! 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=1.002751Jy sigma=9.172528 ! Fit after self-cal, rms=0.951278Jy sigma=8.702273 ! 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=0.7014 mas, bmaj=1.728 mas, bpa=-1.322 degrees ! Estimated noise=0.767272 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 = 0.0381945 Jy ! Component: 100 - total flux cleaned = 0.0465632 Jy ! Total flux subtracted in 100 components = 0.0465632 Jy ! Clean residual min=-0.002400 max=0.004599 Jy/beam ! Clean residual mean=-0.000001 rms=0.000595 Jy/beam ! Combined flux in latest and established models = 0.0465632 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.0465632 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=0.057366Jy sigma=0.485532 ! Fit after self-cal, rms=0.055768Jy sigma=0.471024 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00395234 Jy ! Component: 100 - total flux cleaned = 0.00567472 Jy ! Total flux subtracted in 100 components = 0.00567472 Jy ! Clean residual min=-0.002337 max=0.004719 Jy/beam ! Clean residual mean=-0.000000 rms=0.000539 Jy/beam ! Combined flux in latest and established models = 0.0522379 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 10 components and 0.0522379 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=0.055429Jy sigma=0.467738 ! Fit after self-cal, rms=0.055439Jy sigma=0.467726 ! Inverting map ! Added new window around map position (-3.8, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00384421 Jy ! Component: 100 - total flux cleaned = 0.00553892 Jy ! Total flux subtracted in 100 components = 0.00553892 Jy ! Clean residual min=-0.002382 max=0.002637 Jy/beam ! Clean residual mean=-0.000000 rms=0.000478 Jy/beam ! Combined flux in latest and established models = 0.0577769 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 21 components and 0.0577768 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=0.055144Jy sigma=0.464406 ! Fit after self-cal, rms=0.055103Jy sigma=0.464073 ! 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=0.8939 mas, bmaj=2.067 mas, bpa=-1.46 degrees ! Estimated noise=0.39222 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 (-2.2, -0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00374953 Jy ! Component: 100 - total flux cleaned = 0.00568115 Jy ! Component: 150 - total flux cleaned = 0.00692018 Jy ! Component: 200 - total flux cleaned = 0.00725504 Jy ! Total flux subtracted in 200 components = 0.00725504 Jy ! Clean residual min=-0.001600 max=0.001839 Jy/beam ! Clean residual mean=-0.000001 rms=0.000341 Jy/beam ! Combined flux in latest and established models = 0.0650319 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 50 components and 0.0650319 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=0.054847Jy sigma=0.461545 ! Fit after self-cal, rms=0.054820Jy sigma=0.461110 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8939 x 2.067 at -1.46 degrees (North through East) ! Clean map min=-0.0014841 max=0.051943 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.02 HN 0.96 KP 1.06 ! LA 1.02 MK 1.07 NL 1.09 OV 0.91 ! PT 0.93 SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.03 HN 0.94 KP 1.07 ! LA 1.06 MK 0.98 NL 1.15 OV 0.93 ! PT 0.89 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.01 HN 0.95 KP 1.05 ! LA 1.03 MK 1.03 NL 1.05 OV 0.96 ! PT 0.95 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.04 HN 0.97 KP 1.05 ! LA 1.00 MK 1.05 NL 1.13 OV 0.94 ! PT 0.86 SC 1.04 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.06 HN 0.93 KP 1.10 ! LA 1.01 MK 1.04 NL 1.09 OV 0.95 ! PT 0.89 SC 1.03 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.03 HN 0.90 KP 1.07 ! LA 1.07 MK 1.06 NL 1.14 OV 0.89 ! PT 0.92 SC 0.96 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.05 HN 0.94 KP 1.08 ! LA 1.02 MK 1.03 NL 1.09 OV 0.90 ! PT 0.86 SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.03 HN 0.91 KP 1.06 ! LA 1.02 MK 1.09 NL 1.08 OV 0.92 ! PT 0.88 SC 1.01 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.02 HN 0.88 KP 1.06 ! LA 1.02 MK 1.04 NL 1.16 OV 0.94 ! PT 0.89 SC 1.05 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HN 0.91 KP 1.08 ! LA 1.05 MK 1.03 NL 1.04 OV 0.93 ! PT 0.88 SC 0.93 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.04 HN 0.95 KP 1.00 ! LA 1.08 MK 0.91 NL 1.18 OV 0.91 ! PT 0.87 SC 1.02 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.01 HN 0.96 KP 1.02 ! LA 1.04 MK 0.96 NL 1.11 OV 0.91 ! PT 0.89 SC 1.01 ! ! ! Fit before self-cal, rms=0.054820Jy sigma=0.461110 ! Fit after self-cal, rms=0.054018Jy sigma=0.458812 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8968 mas, bmaj=2.073 mas, bpa=-1.26 degrees ! Estimated noise=0.388272 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 = 0.00119129 Jy ! Component: 100 - total flux cleaned = 0.00151925 Jy ! Component: 150 - total flux cleaned = 0.00164266 Jy ! Component: 200 - total flux cleaned = 0.00172702 Jy ! Total flux subtracted in 200 components = 0.00172702 Jy ! Clean residual min=-0.000912 max=0.000869 Jy/beam ! Clean residual mean=0.000000 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.0667589 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 69 components and 0.0667589 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=0.053989Jy sigma=0.458524 ! Fit after self-cal, rms=0.054000Jy sigma=0.458354 ! 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=0.054000Jy sigma=0.458354 ! Fit after self-cal, rms=0.054706Jy sigma=0.457234 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8959 mas, bmaj=2.077 mas, bpa=-1.235 degrees ! Estimated noise=0.389872 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000525563 Jy ! Component: 100 - total flux cleaned = 0.000866315 Jy ! Component: 150 - total flux cleaned = 0.000956711 Jy ! Component: 200 - total flux cleaned = 0.00100508 Jy ! Total flux subtracted in 200 components = 0.00100508 Jy ! Clean residual min=-0.000734 max=0.000751 Jy/beam ! Clean residual mean=0.000000 rms=0.000182 Jy/beam ! Combined flux in latest and established models = 0.067764 Jy selfcal ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 94 components and 0.067764 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=0.054699Jy sigma=0.457167 ! Fit after self-cal, rms=0.054716Jy sigma=0.457119 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 = 0.000185672 Jy ! Component: 100 - total flux cleaned = 0.000213713 Jy ! Component: 150 - total flux cleaned = 0.000230698 Jy ! Component: 200 - total flux cleaned = 0.000222884 Jy ! Total flux subtracted in 200 components = 0.000222884 Jy ! Clean residual min=-0.000729 max=0.000758 Jy/beam ! Clean residual mean=0.000000 rms=0.000181 Jy/beam ! Combined flux in latest and established models = 0.0679869 Jy ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 102 components and 0.0679869 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=0.054713Jy sigma=0.457094 ! Fit after self-cal, rms=0.054713Jy sigma=0.457093 ! 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=0.054713Jy sigma=0.457093 ! Fit after self-cal, rms=0.054653Jy sigma=0.457022 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8942 mas, bmaj=2.076 mas, bpa=-1.291 degrees ! Estimated noise=0.389116 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000270294 Jy ! Component: 100 - total flux cleaned = 0.000357666 Jy ! Component: 150 - total flux cleaned = 0.000391398 Jy ! Component: 200 - total flux cleaned = 0.000398936 Jy ! Total flux subtracted in 200 components = 0.000398936 Jy ! Clean residual min=-0.000682 max=0.000783 Jy/beam ! Clean residual mean=0.000000 rms=0.000178 Jy/beam ! Combined flux in latest and established models = 0.0683858 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 111 components and 0.0683858 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=0.054649Jy sigma=0.456997 ! Fit after self-cal, rms=0.054652Jy sigma=0.456992 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 (-10.2, -12). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000564371 Jy ! Component: 100 - total flux cleaned = 0.000577732 Jy ! Component: 150 - total flux cleaned = 0.0006744 Jy ! Component: 200 - total flux cleaned = 0.000702122 Jy ! Total flux subtracted in 200 components = 0.000702122 Jy ! Clean residual min=-0.000679 max=0.000740 Jy/beam ! Clean residual mean=0.000000 rms=0.000174 Jy/beam ! Combined flux in latest and established models = 0.0690879 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 126 components and 0.0690879 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=0.054642Jy sigma=0.456911 ! Fit after self-cal, rms=0.054640Jy sigma=0.456900 ! 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=0.054640Jy sigma=0.456900 ! Fit after self-cal, rms=0.054593Jy sigma=0.456892 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.171 mas, bmaj=3.562 mas, bpa=1.983 degrees ! Estimated noise=0.481675 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000307914 Jy ! Component: 100 - total flux cleaned = 0.000443902 Jy ! Component: 150 - total flux cleaned = 0.000507843 Jy ! Component: 200 - total flux cleaned = 0.000535503 Jy ! Total flux subtracted in 200 components = 0.000535503 Jy ! Clean residual min=-0.000678 max=0.000870 Jy/beam ! Clean residual mean=0.000000 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.0696234 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 136 components and 0.0696234 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=0.054592Jy sigma=0.456879 ! Fit after self-cal, rms=0.054593Jy sigma=0.456877 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 (-47.6, -4.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000366422 Jy ! Component: 100 - total flux cleaned = 0.000298883 Jy ! Component: 150 - total flux cleaned = 0.000238789 Jy ! Component: 200 - total flux cleaned = 0.000198247 Jy ! Total flux subtracted in 200 components = 0.000198247 Jy ! Clean residual min=-0.000661 max=0.000769 Jy/beam ! Clean residual mean=0.000000 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.0698217 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 164 components and 0.0698217 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=0.054584Jy sigma=0.456797 ! Fit after self-cal, rms=0.054583Jy sigma=0.456788 ! 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=0.8933 mas, bmaj=2.076 mas, bpa=-1.353 degrees ! Estimated noise=0.388963 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8933 x 2.076 at -1.353 degrees (North through East) ! Clean map min=-0.00061502 max=0.051412 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=0.7009 mas, bmaj=1.734 mas, bpa=-1.252 degrees ! Estimated noise=0.762874 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0396046 Jy ! Component: 100 - total flux cleaned = 0.0488036 Jy ! Component: 150 - total flux cleaned = 0.0531691 Jy ! Component: 200 - total flux cleaned = 0.0563218 Jy ! Total flux subtracted in 200 components = 0.0563218 Jy ! Clean residual min=-0.001642 max=0.001912 Jy/beam ! Clean residual mean=0.000001 rms=0.000414 Jy/beam ! Combined flux in latest and established models = 0.0563218 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 14 model components to the UV plane model. ! The established model now contains 14 components and 0.0563218 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8933 mas, bmaj=2.076 mas, bpa=-1.353 degrees ! Estimated noise=0.388963 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 = 0.00378942 Jy ! Component: 100 - total flux cleaned = 0.00623896 Jy ! Component: 150 - total flux cleaned = 0.00799249 Jy ! Component: 200 - total flux cleaned = 0.00928926 Jy ! Total flux subtracted in 200 components = 0.00928926 Jy ! Clean residual min=-0.000828 max=0.000839 Jy/beam ! Clean residual mean=0.000001 rms=0.000209 Jy/beam ! Combined flux in latest and established models = 0.0656111 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 41 components and 0.0656111 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=2.171 mas, bmaj=3.562 mas, bpa=1.983 degrees ! Estimated noise=0.481675 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00157038 Jy ! Component: 100 - total flux cleaned = 0.00257619 Jy ! Component: 150 - total flux cleaned = 0.00310604 Jy ! Component: 200 - total flux cleaned = 0.00346114 Jy ! Total flux subtracted in 200 components = 0.00346114 Jy ! Clean residual min=-0.000806 max=0.000754 Jy/beam ! Clean residual mean=0.000001 rms=0.000204 Jy/beam ! Combined flux in latest and established models = 0.0690722 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 = 0.000256485 Jy ! Component: 100 - total flux cleaned = 0.000313344 Jy ! Component: 150 - total flux cleaned = 0.000347478 Jy ! Component: 200 - total flux cleaned = 0.000409086 Jy ! Total flux subtracted in 200 components = 0.000409086 Jy ! Clean residual min=-0.000718 max=0.000730 Jy/beam ! Clean residual mean=0.000000 rms=0.000192 Jy/beam ! Combined flux in latest and established models = 0.0694813 Jy ! Adding 77 model components to the UV plane model. ! The established model now contains 107 components and 0.0694813 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8933 mas, bmaj=2.076 mas, bpa=-1.353 degrees ! Estimated noise=0.388963 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000140243 Jy ! Component: 100 - total flux cleaned = 0.000102525 Jy ! Component: 150 - total flux cleaned = 6.60608e-05 Jy ! Component: 200 - total flux cleaned = 3.21413e-05 Jy ! Total flux subtracted in 200 components = 3.21413e-05 Jy ! Clean residual min=-0.000680 max=0.000693 Jy/beam ! Clean residual mean=0.000000 rms=0.000169 Jy/beam ! Combined flux in latest and established models = 0.0695134 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 135 components and 0.0695134 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=0.054582Jy sigma=0.456790 ! Fit after self-cal, rms=0.054582Jy sigma=0.456764 wmodel J1902-0458_X_map.mod ! Writing 135 model components to file: J1902-0458_X_map.mod wobs J1902-0458_X_uvs.fits ! Writing UV FITS file: J1902-0458_X_uvs.fits wwins J1902-0458_X_map.win ! wwins: Wrote 5 windows to J1902-0458_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 = -2.39246e-05 Jy ! Component: 100 - total flux cleaned = 2.4312e-05 Jy ! Component: 150 - total flux cleaned = 5.91567e-05 Jy ! Component: 200 - total flux cleaned = 8.19867e-05 Jy ! Component: 250 - total flux cleaned = 0.000126566 Jy ! Component: 300 - total flux cleaned = 0.00022478 Jy ! Component: 350 - total flux cleaned = 0.000310247 Jy ! Component: 400 - total flux cleaned = 0.000394042 Jy ! Component: 450 - total flux cleaned = 0.000445386 Jy ! Component: 500 - total flux cleaned = 0.000496019 Jy ! Component: 550 - total flux cleaned = 0.000535942 Jy ! Component: 600 - total flux cleaned = 0.000575427 Jy ! Component: 650 - total flux cleaned = 0.000624066 Jy ! Component: 700 - total flux cleaned = 0.000662501 Jy ! Component: 750 - total flux cleaned = 0.000709992 Jy ! Component: 800 - total flux cleaned = 0.000756858 Jy ! Component: 850 - total flux cleaned = 0.000784658 Jy ! Component: 900 - total flux cleaned = 0.000821302 Jy ! Component: 950 - total flux cleaned = 0.000848544 Jy ! Component: 1000 - total flux cleaned = 0.000866513 Jy ! Component: 1050 - total flux cleaned = 0.000884325 Jy ! Component: 1100 - total flux cleaned = 0.000893241 Jy ! Component: 1150 - total flux cleaned = 0.000919591 Jy ! Component: 1200 - total flux cleaned = 0.000971557 Jy ! Component: 1250 - total flux cleaned = 0.000954318 Jy ! Component: 1300 - total flux cleaned = 0.000996827 Jy ! Component: 1350 - total flux cleaned = 0.00100521 Jy ! Component: 1400 - total flux cleaned = 0.000988371 Jy ! Component: 1450 - total flux cleaned = 0.00103845 Jy ! Component: 1500 - total flux cleaned = 0.00107153 Jy ! Component: 1550 - total flux cleaned = 0.00108796 Jy ! Component: 1600 - total flux cleaned = 0.00112044 Jy ! Component: 1650 - total flux cleaned = 0.00112855 Jy ! Component: 1700 - total flux cleaned = 0.0011204 Jy ! Component: 1750 - total flux cleaned = 0.00113635 Jy ! Component: 1800 - total flux cleaned = 0.00108874 Jy ! Component: 1850 - total flux cleaned = 0.00113605 Jy ! Component: 1900 - total flux cleaned = 0.00116739 Jy ! Component: 1950 - total flux cleaned = 0.0011518 Jy ! Component: 2000 - total flux cleaned = 0.00112864 Jy ! Component: 2050 - total flux cleaned = 0.00118253 Jy ! Component: 2100 - total flux cleaned = 0.0011518 Jy ! Component: 2150 - total flux cleaned = 0.00115176 Jy ! Component: 2200 - total flux cleaned = 0.00114417 Jy ! Component: 2250 - total flux cleaned = 0.00116668 Jy ! Component: 2300 - total flux cleaned = 0.00114433 Jy ! Component: 2350 - total flux cleaned = 0.00115174 Jy ! Component: 2400 - total flux cleaned = 0.00118118 Jy ! Component: 2450 - total flux cleaned = 0.00117375 Jy ! Component: 2500 - total flux cleaned = 0.00118106 Jy ! Component: 2550 - total flux cleaned = 0.00110847 Jy ! Component: 2600 - total flux cleaned = 0.00115183 Jy ! Component: 2650 - total flux cleaned = 0.00115896 Jy ! Component: 2700 - total flux cleaned = 0.00113037 Jy ! Component: 2750 - total flux cleaned = 0.00113747 Jy ! Component: 2800 - total flux cleaned = 0.00115157 Jy ! Component: 2850 - total flux cleaned = 0.00110235 Jy ! Component: 2900 - total flux cleaned = 0.00116532 Jy ! Component: 2950 - total flux cleaned = 0.00113043 Jy ! Component: 3000 - total flux cleaned = 0.00113745 Jy ! Component: 3050 - total flux cleaned = 0.00115819 Jy ! Component: 3100 - total flux cleaned = 0.00116505 Jy ! Component: 3150 - total flux cleaned = 0.00114461 Jy ! Component: 3200 - total flux cleaned = 0.00116502 Jy ! Component: 3250 - total flux cleaned = 0.00115825 Jy ! Component: 3300 - total flux cleaned = 0.00114491 Jy ! Component: 3350 - total flux cleaned = 0.0011517 Jy ! Component: 3400 - total flux cleaned = 0.00114506 Jy ! Component: 3450 - total flux cleaned = 0.00117822 Jy ! Component: 3500 - total flux cleaned = 0.00116502 Jy ! Component: 3550 - total flux cleaned = 0.0011519 Jy ! Component: 3600 - total flux cleaned = 0.00116497 Jy ! Component: 3650 - total flux cleaned = 0.001191 Jy ! Component: 3700 - total flux cleaned = 0.00119101 Jy ! Component: 3750 - total flux cleaned = 0.00117169 Jy ! Component: 3800 - total flux cleaned = 0.00117819 Jy ! Component: 3850 - total flux cleaned = 0.00120378 Jy ! Component: 3900 - total flux cleaned = 0.00118472 Jy ! Component: 3950 - total flux cleaned = 0.00119742 Jy ! Component: 4000 - total flux cleaned = 0.00119113 Jy ! Component: 4050 - total flux cleaned = 0.00120999 Jy ! Total flux subtracted in 4096 components = 0.00120373 Jy ! Clean residual min=-0.000376 max=0.000336 Jy/beam ! Clean residual mean=0.000000 rms=0.000110 Jy/beam ! Combined flux in latest and established models = 0.0707172 Jy keep ! Adding 297 model components to the UV plane model. ! The established model now contains 432 components and 0.0707173 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1902-0458_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8933 x 2.076 at -1.353 degrees (North through East) ! Clean map min=-0.00059357 max=0.051273 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1902-0458_X_map.fits wmodel /image_prod/ug002_uva//J1902-0458_X_map.mod ! Writing 432 model components to file: /image_prod/ug002_uva//J1902-0458_X_map.mod wobs /image_prod/ug002_uva//J1902-0458_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1902-0458_X_uvs.fits wwins /image_prod/ug002_uva//J1902-0458_X_map.win ! wwins: Wrote 6 windows to /image_prod/ug002_uva//J1902-0458_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0512727 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000109448 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.640387 0.640387 1.28077 2.56155 5.12309 10.2462 20.4924 40.9848 81.9695 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.051 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 468.466 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1902-0458_X_dfm.log closed on Thu Mar 5 04:01:24 2020