! Started logfile: /image_prod/ug002_uva//J1956-1957_X_dfm.log on Thu Mar 5 04:29:25 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//J1956-1957_X_uva.fits ! Reading UV FITS file: /image_prod/ug002_uva//J1956-1957_X_uva.fits ! AN table 1: 50 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.9 visibilities/baseline/integration-bin. ! Found source: J1956-1957 ! ! 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 24300 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 J1956-1957_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 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 25 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.002318Jy sigma=8.452244 ! Fit after self-cal, rms=0.967275Jy sigma=8.156115 ! 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=0.643 mas, bmaj=1.615 mas, bpa=-2.116 degrees ! Estimated noise=1.10235 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 = 0.0249413 Jy ! Component: 100 - total flux cleaned = 0.0323278 Jy ! Total flux subtracted in 100 components = 0.0323278 Jy ! Clean residual min=-0.002868 max=0.003423 Jy/beam ! Clean residual mean=-0.000001 rms=0.000753 Jy/beam ! Combined flux in latest and established models = 0.0323278 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 9 components and 0.0323278 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=0.061050Jy sigma=0.484945 ! Fit after self-cal, rms=0.059536Jy sigma=0.471634 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00520111 Jy ! Component: 100 - total flux cleaned = 0.00717918 Jy ! Total flux subtracted in 100 components = 0.00717918 Jy ! Clean residual min=-0.002815 max=0.003635 Jy/beam ! Clean residual mean=-0.000000 rms=0.000706 Jy/beam ! Combined flux in latest and established models = 0.039507 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 14 components and 0.039507 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=0.058977Jy sigma=0.466224 ! Fit after self-cal, rms=0.058965Jy sigma=0.466106 ! 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=0.8449 mas, bmaj=1.996 mas, bpa=-1.576 degrees ! Estimated noise=0.545822 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 = 0.00247624 Jy ! Component: 100 - total flux cleaned = 0.00299004 Jy ! Component: 150 - total flux cleaned = 0.00306259 Jy ! Component: 200 - total flux cleaned = 0.00309138 Jy ! Total flux subtracted in 200 components = 0.00309138 Jy ! Clean residual min=-0.001668 max=0.002233 Jy/beam ! Clean residual mean=0.000000 rms=0.000435 Jy/beam ! Combined flux in latest and established models = 0.0425983 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 17 components and 0.0425983 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=0.058870Jy sigma=0.465105 ! Fit after self-cal, rms=0.058853Jy sigma=0.465008 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8449 x 1.996 at -1.576 degrees (North through East) ! Clean map min=-0.0015415 max=0.036011 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.00 HN 1.13 KP 1.12 ! LA 0.96 MK 1.11 NL 1.18 OV 0.91 ! PT 0.88 SC 1.06 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 1.11 KP 1.13 ! LA 0.98 MK 1.09 NL 1.25 OV 0.91 ! PT 0.86 SC 0.91 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.93 HN 0.99 KP 1.12 ! LA 0.96 MK 0.98 NL 1.36 OV 0.95 ! PT 0.92 SC 1.00 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 FD 0.94 HN 0.86 KP 1.11 ! LA 0.99 MK 1.12 NL 1.33 OV 0.92 ! PT 0.91 SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.93 HN 1.15 KP 1.16 ! LA 1.04 MK 1.02 NL 1.17 OV 0.88 ! PT 0.89 SC 1.05 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.99 HN 1.14 KP 1.29 ! LA 1.09 MK 1.04 NL 1.17 OV 0.87 ! PT 0.88 SC 0.86 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.93 HN 1.08 KP 1.12 ! LA 0.94 MK 0.92 NL 1.32 OV 0.89 ! PT 0.97 SC 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 HN 0.92 KP 1.27 ! LA 1.00 MK 0.88 NL 1.30 OV 0.83 ! PT 0.91 SC 0.93 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 HN 0.94 KP 1.18 ! LA 0.85 MK 1.12 NL 1.21 OV 0.85 ! PT 0.92 SC 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.86 FD 0.99 HN 0.90 KP 1.09 ! LA 0.98 MK 0.97 NL 1.23 OV 0.87 ! PT 1.00 SC 0.95 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.87 FD 0.90 HN 0.83 KP 1.11 ! LA 1.04 MK 0.86 NL 1.19 OV 0.93 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.89 HN 0.91 KP 1.15 ! LA 1.11 MK 0.84 NL 1.25 OV 0.92 ! PT 0.84 SC 0.88 ! ! ! Fit before self-cal, rms=0.058853Jy sigma=0.465008 ! Fit after self-cal, rms=0.057530Jy sigma=0.462249 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8378 mas, bmaj=1.973 mas, bpa=-0.7548 degrees ! Estimated noise=0.538622 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 = -4.77796e-05 Jy ! Component: 100 - total flux cleaned = -2.37751e-05 Jy ! Component: 150 - total flux cleaned = -2.90857e-06 Jy ! Component: 200 - total flux cleaned = 1.56831e-05 Jy ! Total flux subtracted in 200 components = 1.56831e-05 Jy ! Clean residual min=-0.001089 max=0.001315 Jy/beam ! Clean residual mean=0.000001 rms=0.000271 Jy/beam ! Combined flux in latest and established models = 0.042614 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 22 components and 0.042614 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=0.057526Jy sigma=0.462215 ! Fit after self-cal, rms=0.057665Jy sigma=0.461695 ! 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=0.057665Jy sigma=0.461695 ! Fit after self-cal, rms=0.058254Jy sigma=0.460899 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8341 mas, bmaj=1.952 mas, bpa=-0.9723 degrees ! Estimated noise=0.537177 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.80379e-05 Jy ! Component: 100 - total flux cleaned = 6.76272e-05 Jy ! Component: 150 - total flux cleaned = 8.43699e-05 Jy ! Component: 200 - total flux cleaned = 9.89097e-05 Jy ! Total flux subtracted in 200 components = 9.89097e-05 Jy ! Clean residual min=-0.001100 max=0.001245 Jy/beam ! Clean residual mean=0.000001 rms=0.000252 Jy/beam ! Combined flux in latest and established models = 0.0427129 Jy selfcal ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 32 components and 0.0427129 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=0.058250Jy sigma=0.460882 ! Fit after self-cal, rms=0.058330Jy sigma=0.460702 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 (21.2, 32). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00082696 Jy ! Component: 100 - total flux cleaned = 0.000761288 Jy ! Component: 150 - total flux cleaned = 0.000671386 Jy ! Component: 200 - total flux cleaned = 0.000594109 Jy ! Total flux subtracted in 200 components = 0.000594109 Jy ! Clean residual min=-0.001037 max=0.001051 Jy/beam ! Clean residual mean=0.000001 rms=0.000240 Jy/beam ! Combined flux in latest and established models = 0.043307 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 49 components and 0.043307 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=0.058306Jy sigma=0.460534 ! Fit after self-cal, rms=0.058298Jy sigma=0.460484 ! 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=0.058298Jy sigma=0.460484 ! Fit after self-cal, rms=0.057942Jy sigma=0.460425 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.829 mas, bmaj=1.936 mas, bpa=-0.9511 degrees ! Estimated noise=0.533002 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000457589 Jy ! Component: 100 - total flux cleaned = 0.000458744 Jy ! Component: 150 - total flux cleaned = 0.000428296 Jy ! Component: 200 - total flux cleaned = 0.000389741 Jy ! Total flux subtracted in 200 components = 0.000389741 Jy ! Clean residual min=-0.001034 max=0.001090 Jy/beam ! Clean residual mean=0.000001 rms=0.000236 Jy/beam ! Combined flux in latest and established models = 0.0436968 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 52 components and 0.0436968 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=0.057928Jy sigma=0.460332 ! Fit after self-cal, rms=0.057931Jy sigma=0.460295 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 (40, 39.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000783358 Jy ! Component: 100 - total flux cleaned = 0.000922061 Jy ! Component: 150 - total flux cleaned = 0.000884813 Jy ! Component: 200 - total flux cleaned = 0.000836015 Jy ! Total flux subtracted in 200 components = 0.000836015 Jy ! Clean residual min=-0.001109 max=0.000906 Jy/beam ! Clean residual mean=0.000000 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.0445328 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 61 components and 0.0445328 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=0.057907Jy sigma=0.460152 ! Fit after self-cal, rms=0.057898Jy sigma=0.460100 ! 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=0.057898Jy sigma=0.460100 ! Fit after self-cal, rms=0.057574Jy sigma=0.460068 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.316 mas, bmaj=4.628 mas, bpa=7.703 degrees ! Estimated noise=0.693185 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000605683 Jy ! Component: 100 - total flux cleaned = 0.000879407 Jy ! Component: 150 - total flux cleaned = 0.000879419 Jy ! Component: 200 - total flux cleaned = 0.000878858 Jy ! Total flux subtracted in 200 components = 0.000878858 Jy ! Clean residual min=-0.001201 max=0.001008 Jy/beam ! Clean residual mean=0.000000 rms=0.000269 Jy/beam ! Combined flux in latest and established models = 0.0454117 Jy selfcal ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 79 components and 0.0454116 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=0.057568Jy sigma=0.460045 ! Fit after self-cal, rms=0.057569Jy sigma=0.460026 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 = 0.000167833 Jy ! Component: 100 - total flux cleaned = 0.000168151 Jy ! Component: 150 - total flux cleaned = 0.000167679 Jy ! Component: 200 - total flux cleaned = 0.000167383 Jy ! Total flux subtracted in 200 components = 0.000167383 Jy ! Clean residual min=-0.001204 max=0.001028 Jy/beam ! Clean residual mean=0.000000 rms=0.000267 Jy/beam ! Combined flux in latest and established models = 0.045579 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 81 components and 0.045579 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=0.057565Jy sigma=0.460013 ! Fit after self-cal, rms=0.057565Jy sigma=0.460005 ! 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=0.8255 mas, bmaj=1.925 mas, bpa=-0.8649 degrees ! Estimated noise=0.530136 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8255 x 1.925 at -0.8649 degrees (North through East) ! Clean map min=-0.0010482 max=0.034698 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=0.6318 mas, bmaj=1.573 mas, bpa=-1.539 degrees ! Estimated noise=1.05068 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0253875 Jy ! Component: 100 - total flux cleaned = 0.0336156 Jy ! Component: 150 - total flux cleaned = 0.037755 Jy ! Component: 200 - total flux cleaned = 0.0405054 Jy ! Total flux subtracted in 200 components = 0.0405054 Jy ! Clean residual min=-0.002530 max=0.002702 Jy/beam ! Clean residual mean=-0.000001 rms=0.000633 Jy/beam ! Combined flux in latest and established models = 0.0405054 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 19 model components to the UV plane model. ! The established model now contains 19 components and 0.0405054 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8255 mas, bmaj=1.925 mas, bpa=-0.8649 degrees ! Estimated noise=0.530136 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 = 0.00274601 Jy ! Component: 100 - total flux cleaned = 0.00395706 Jy ! Component: 150 - total flux cleaned = 0.00428321 Jy ! Component: 200 - total flux cleaned = 0.00443981 Jy ! Total flux subtracted in 200 components = 0.00443981 Jy ! Clean residual min=-0.001155 max=0.001193 Jy/beam ! Clean residual mean=0.000000 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.0449452 Jy ! Adding 19 model components to the UV plane model. ! The established model now contains 33 components and 0.0449452 Jy ! Inverting map ! Added new window around map position (-12.6, 30). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000619359 Jy ! Component: 100 - total flux cleaned = 0.000685469 Jy ! Component: 150 - total flux cleaned = 0.000771929 Jy ! Component: 200 - total flux cleaned = 0.000798678 Jy ! Total flux subtracted in 200 components = 0.000798678 Jy ! Clean residual min=-0.001103 max=0.000977 Jy/beam ! Clean residual mean=0.000000 rms=0.000235 Jy/beam ! Combined flux in latest and established models = 0.0457439 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 44 components and 0.0457439 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=2.316 mas, bmaj=4.628 mas, bpa=7.703 degrees ! Estimated noise=0.693185 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000438125 Jy ! Component: 100 - total flux cleaned = 0.000555552 Jy ! Component: 150 - total flux cleaned = 0.000586275 Jy ! Component: 200 - total flux cleaned = 0.00058659 Jy ! Total flux subtracted in 200 components = 0.00058659 Jy ! Clean residual min=-0.001136 max=0.000831 Jy/beam ! Clean residual mean=0.000000 rms=0.000257 Jy/beam ! Combined flux in latest and established models = 0.0463305 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 = 6.91498e-08 Jy ! Component: 100 - total flux cleaned = 3.42985e-07 Jy ! Component: 150 - total flux cleaned = -1.04903e-05 Jy ! Component: 200 - total flux cleaned = -2.04573e-05 Jy ! Total flux subtracted in 200 components = -2.04573e-05 Jy ! Clean residual min=-0.001126 max=0.000819 Jy/beam ! Clean residual mean=0.000000 rms=0.000253 Jy/beam ! Combined flux in latest and established models = 0.04631 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 61 components and 0.04631 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8255 mas, bmaj=1.925 mas, bpa=-0.8649 degrees ! Estimated noise=0.530136 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000303592 Jy ! Component: 100 - total flux cleaned = -0.000327244 Jy ! Component: 150 - total flux cleaned = -0.000346522 Jy ! Component: 200 - total flux cleaned = -0.000365201 Jy ! Total flux subtracted in 200 components = -0.000365201 Jy ! Clean residual min=-0.001057 max=0.000916 Jy/beam ! Clean residual mean=0.000000 rms=0.000221 Jy/beam ! Combined flux in latest and established models = 0.0459448 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 75 components and 0.0459448 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=0.057552Jy sigma=0.459925 ! Fit after self-cal, rms=0.057548Jy sigma=0.459857 wmodel J1956-1957_X_map.mod ! Writing 75 model components to file: J1956-1957_X_map.mod wobs J1956-1957_X_uvs.fits ! Writing UV FITS file: J1956-1957_X_uvs.fits wwins J1956-1957_X_map.win ! wwins: Wrote 4 windows to J1956-1957_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 = -0.000442271 Jy ! Component: 100 - total flux cleaned = -0.000628968 Jy ! Component: 150 - total flux cleaned = -0.000786885 Jy ! Component: 200 - total flux cleaned = -0.000908332 Jy ! Component: 250 - total flux cleaned = -0.000981657 Jy ! Component: 300 - total flux cleaned = -0.00101012 Jy ! Component: 350 - total flux cleaned = -0.00102391 Jy ! Component: 400 - total flux cleaned = -0.00101067 Jy ! Component: 450 - total flux cleaned = -0.00103734 Jy ! Component: 500 - total flux cleaned = -0.00106326 Jy ! Component: 550 - total flux cleaned = -0.00105028 Jy ! Component: 600 - total flux cleaned = -0.00101254 Jy ! Component: 650 - total flux cleaned = -0.00104992 Jy ! Component: 700 - total flux cleaned = -0.00103767 Jy ! Component: 750 - total flux cleaned = -0.00101364 Jy ! Component: 800 - total flux cleaned = -0.00102545 Jy ! Component: 850 - total flux cleaned = -0.00103723 Jy ! Component: 900 - total flux cleaned = -0.00102554 Jy ! Component: 950 - total flux cleaned = -0.00102549 Jy ! Component: 1000 - total flux cleaned = -0.00102561 Jy ! Component: 1050 - total flux cleaned = -0.00104792 Jy ! Component: 1100 - total flux cleaned = -0.00106986 Jy ! Component: 1150 - total flux cleaned = -0.00110212 Jy ! Component: 1200 - total flux cleaned = -0.00110211 Jy ! Component: 1250 - total flux cleaned = -0.00113358 Jy ! Component: 1300 - total flux cleaned = -0.00112312 Jy ! Component: 1350 - total flux cleaned = -0.00112322 Jy ! Component: 1400 - total flux cleaned = -0.00114351 Jy ! Component: 1450 - total flux cleaned = -0.00115345 Jy ! Component: 1500 - total flux cleaned = -0.00113363 Jy ! Component: 1550 - total flux cleaned = -0.00116317 Jy ! Component: 1600 - total flux cleaned = -0.00113392 Jy ! Component: 1650 - total flux cleaned = -0.00113395 Jy ! Component: 1700 - total flux cleaned = -0.00114357 Jy ! Component: 1750 - total flux cleaned = -0.0011719 Jy ! Component: 1800 - total flux cleaned = -0.00115311 Jy ! Component: 1850 - total flux cleaned = -0.00116239 Jy ! Component: 1900 - total flux cleaned = -0.00116239 Jy ! Component: 1950 - total flux cleaned = -0.00117148 Jy ! Component: 2000 - total flux cleaned = -0.00119847 Jy ! Component: 2050 - total flux cleaned = -0.00120731 Jy ! Component: 2100 - total flux cleaned = -0.00121615 Jy ! Component: 2150 - total flux cleaned = -0.00124259 Jy ! Component: 2200 - total flux cleaned = -0.00126871 Jy ! Component: 2250 - total flux cleaned = -0.00126858 Jy ! Component: 2300 - total flux cleaned = -0.00129425 Jy ! Component: 2350 - total flux cleaned = -0.00126878 Jy ! Component: 2400 - total flux cleaned = -0.00126034 Jy ! Component: 2450 - total flux cleaned = -0.0013106 Jy ! Component: 2500 - total flux cleaned = -0.0013273 Jy ! Component: 2550 - total flux cleaned = -0.00128601 Jy ! Component: 2600 - total flux cleaned = -0.00129429 Jy ! Component: 2650 - total flux cleaned = -0.00127807 Jy ! Component: 2700 - total flux cleaned = -0.00127814 Jy ! Component: 2750 - total flux cleaned = -0.00130223 Jy ! Component: 2800 - total flux cleaned = -0.00126264 Jy ! Component: 2850 - total flux cleaned = -0.00124686 Jy ! Component: 2900 - total flux cleaned = -0.0012155 Jy ! Component: 2950 - total flux cleaned = -0.0012466 Jy ! Component: 3000 - total flux cleaned = -0.00120031 Jy ! Component: 3050 - total flux cleaned = -0.00121567 Jy ! Component: 3100 - total flux cleaned = -0.0011776 Jy ! Component: 3150 - total flux cleaned = -0.00117003 Jy ! Component: 3200 - total flux cleaned = -0.00116254 Jy ! Component: 3250 - total flux cleaned = -0.00114755 Jy ! Component: 3300 - total flux cleaned = -0.00116973 Jy ! Component: 3350 - total flux cleaned = -0.00112552 Jy ! Component: 3400 - total flux cleaned = -0.00113287 Jy ! Component: 3450 - total flux cleaned = -0.00114008 Jy ! Component: 3500 - total flux cleaned = -0.00109682 Jy ! Component: 3550 - total flux cleaned = -0.00109678 Jy ! Component: 3600 - total flux cleaned = -0.00107541 Jy ! Component: 3650 - total flux cleaned = -0.00108248 Jy ! Component: 3700 - total flux cleaned = -0.00106137 Jy ! Component: 3750 - total flux cleaned = -0.00104038 Jy ! Component: 3800 - total flux cleaned = -0.0010334 Jy ! Component: 3850 - total flux cleaned = -0.00104716 Jy ! Component: 3900 - total flux cleaned = -0.00101283 Jy ! Component: 3950 - total flux cleaned = -0.000999151 Jy ! Component: 4000 - total flux cleaned = -0.000985525 Jy ! Component: 4050 - total flux cleaned = -0.000965342 Jy ! Total flux subtracted in 4096 components = -0.000978745 Jy ! Clean residual min=-0.000366 max=0.000380 Jy/beam ! Clean residual mean=0.000000 rms=0.000113 Jy/beam ! Combined flux in latest and established models = 0.0449661 Jy keep ! Adding 300 model components to the UV plane model. ! The established model now contains 375 components and 0.0449661 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /image_prod/ug002_uva//J1956-1957_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8255 x 1.925 at -0.8649 degrees (North through East) ! Clean map min=-0.00084914 max=0.034207 Jy/beam ! Writing clean map to FITS file: /image_prod/ug002_uva//J1956-1957_X_map.fits wmodel /image_prod/ug002_uva//J1956-1957_X_map.mod ! Writing 375 model components to file: /image_prod/ug002_uva//J1956-1957_X_map.mod wobs /image_prod/ug002_uva//J1956-1957_X_uvs.fits ! Writing UV FITS file: /image_prod/ug002_uva//J1956-1957_X_uvs.fits wwins /image_prod/ug002_uva//J1956-1957_X_map.win ! wwins: Wrote 5 windows to /image_prod/ug002_uva//J1956-1957_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.034207 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000112153 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.983596 0.983596 1.96719 3.93438 7.86877 15.7375 31.4751 62.9501 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.034 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 305.003 quit ! Quitting program ! Log file /image_prod/ug002_uva//J1956-1957_X_dfm.log closed on Thu Mar 5 04:29:29 2020