! Started logfile: /vlbi/uf001/uva//J0638+2458_X_dfm.log on Sun Jan 13 23:05:19 2019 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 /vlbi/uf001/uva//J0638+2458_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0638+2458_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.933333 visibilities/baseline/integration-bin. ! Found source: J0638+2458 ! ! 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 36288 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 J0638+2458_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 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 24 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.001131Jy sigma=24.065994 ! Fit after self-cal, rms=0.964429Jy sigma=23.177373 ! 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=0.7099 mas, bmaj=1.492 mas, bpa=-0.6175 degrees ! Estimated noise=0.309003 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 = 0.0267694 Jy ! Component: 100 - total flux cleaned = 0.0338164 Jy ! Total flux subtracted in 100 components = 0.0338164 Jy ! Clean residual min=-0.001731 max=0.003019 Jy/beam ! Clean residual mean=-0.000002 rms=0.000450 Jy/beam ! Combined flux in latest and established models = 0.0338164 Jy ! Performing phase self-cal ! Adding 7 model components to the UV plane model. ! The established model now contains 7 components and 0.0338164 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=0.053936Jy sigma=1.251500 ! Fit after self-cal, rms=0.052398Jy sigma=1.214072 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00481974 Jy ! Component: 100 - total flux cleaned = 0.00711706 Jy ! Total flux subtracted in 100 components = 0.00711706 Jy ! Clean residual min=-0.001682 max=0.001951 Jy/beam ! Clean residual mean=-0.000001 rms=0.000399 Jy/beam ! Combined flux in latest and established models = 0.0409334 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 11 components and 0.0409334 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=0.051820Jy sigma=1.199299 ! Fit after self-cal, rms=0.051817Jy sigma=1.198964 ! 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=0.9302 mas, bmaj=1.79 mas, bpa=-0.6275 degrees ! Estimated noise=0.155896 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, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00267556 Jy ! Component: 100 - total flux cleaned = 0.00441758 Jy ! Component: 150 - total flux cleaned = 0.0056811 Jy ! Component: 200 - total flux cleaned = 0.00661788 Jy ! Total flux subtracted in 200 components = 0.00661788 Jy ! Clean residual min=-0.001222 max=0.001680 Jy/beam ! Clean residual mean=-0.000001 rms=0.000274 Jy/beam ! Combined flux in latest and established models = 0.0475513 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 41 components and 0.0475513 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=0.051655Jy sigma=1.194821 ! Fit after self-cal, rms=0.051640Jy sigma=1.194303 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9302 x 1.79 at -0.6275 degrees (North through East) ! Clean map min=-0.0011916 max=0.038619 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.01 HN 1.02 KP 0.93 ! LA 0.95 MK 1.01 NL 1.16 OV 0.98 ! PT 0.91 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.05 HN 0.98 KP 0.98 ! LA 0.96 MK 1.06 NL 1.11 OV 0.93 ! PT 0.91 SC 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.03 HN 1.04 KP 0.98 ! LA 0.94 MK 1.14 NL 1.05 OV 0.95 ! PT 0.90 SC 1.06 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.98 HN 0.97 KP 1.02 ! LA 0.97 MK 1.08 NL 1.15 OV 0.89 ! PT 0.91 SC 1.01 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HN 1.00 KP 1.05 ! LA 0.97 MK 1.23 NL 1.19 OV 0.87 ! PT 0.91 SC 1.05 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.01 HN 1.01 KP 1.00 ! LA 1.02 MK 0.99 NL 1.08 OV 0.91 ! PT 0.92 SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 0.98 HN 0.98 KP 1.01 ! LA 1.00 MK 0.96 NL 1.13 OV 0.91 ! PT 0.90 SC 1.04 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.03 HN 0.98 KP 1.02 ! LA 0.99 MK 1.07 NL 1.16 OV 0.91 ! PT 0.96 SC 0.99 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 FD 0.96 HN 0.93 KP 1.08 ! LA 0.95 MK 0.97 NL 1.12 OV 0.92 ! PT 0.88 SC 1.06 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 HN 0.96 KP 1.02 ! LA 0.97 MK 0.93 NL 1.09 OV 0.87 ! PT 0.97 SC 0.99 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.96 HN 0.92 KP 0.99 ! LA 1.04 MK 0.90 NL 1.16 OV 0.99 ! PT 0.90 SC 0.91 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 0.99 HN 0.89 KP 1.08 ! LA 1.07 MK 1.02 NL 1.12 OV 0.87 ! PT 0.85 SC 0.90 ! ! ! Fit before self-cal, rms=0.051640Jy sigma=1.194303 ! Fit after self-cal, rms=0.050843Jy sigma=1.190198 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9353 mas, bmaj=1.808 mas, bpa=-0.3741 degrees ! Estimated noise=0.154491 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 = 7.12779e-05 Jy ! Component: 100 - total flux cleaned = 0.000153817 Jy ! Component: 150 - total flux cleaned = 0.000181703 Jy ! Component: 200 - total flux cleaned = 0.000193986 Jy ! Total flux subtracted in 200 components = 0.000193986 Jy ! Clean residual min=-0.000835 max=0.000867 Jy/beam ! Clean residual mean=0.000001 rms=0.000202 Jy/beam ! Combined flux in latest and established models = 0.0477453 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 55 components and 0.0477453 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=0.050833Jy sigma=1.189972 ! Fit after self-cal, rms=0.050882Jy sigma=1.189441 ! 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=0.050882Jy sigma=1.189441 ! Fit after self-cal, rms=0.051514Jy sigma=1.186902 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9357 mas, bmaj=1.801 mas, bpa=-0.5618 degrees ! Estimated noise=0.154796 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00011408 Jy ! Component: 100 - total flux cleaned = 0.000159879 Jy ! Component: 150 - total flux cleaned = 0.000190027 Jy ! Component: 200 - total flux cleaned = 0.000208617 Jy ! Total flux subtracted in 200 components = 0.000208617 Jy ! Clean residual min=-0.000764 max=0.000875 Jy/beam ! Clean residual mean=0.000000 rms=0.000183 Jy/beam ! Combined flux in latest and established models = 0.0479539 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 70 components and 0.0479539 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=0.051509Jy sigma=1.186799 ! Fit after self-cal, rms=0.051548Jy sigma=1.186492 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 (-27.6, 16.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00072727 Jy ! Component: 100 - total flux cleaned = 0.000904684 Jy ! Component: 150 - total flux cleaned = 0.00099552 Jy ! Component: 200 - total flux cleaned = 0.00108527 Jy ! Total flux subtracted in 200 components = 0.00108527 Jy ! Clean residual min=-0.000727 max=0.000740 Jy/beam ! Clean residual mean=0.000000 rms=0.000176 Jy/beam ! Combined flux in latest and established models = 0.0490392 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 86 components and 0.0490392 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=0.051531Jy sigma=1.186138 ! Fit after self-cal, rms=0.051530Jy sigma=1.186075 ! 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=0.051530Jy sigma=1.186075 ! Fit after self-cal, rms=0.051647Jy sigma=1.185992 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.934 mas, bmaj=1.798 mas, bpa=-0.5877 degrees ! Estimated noise=0.154654 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000289523 Jy ! Component: 100 - total flux cleaned = 0.000397279 Jy ! Component: 150 - total flux cleaned = 0.000445131 Jy ! Component: 200 - total flux cleaned = 0.000467452 Jy ! Total flux subtracted in 200 components = 0.000467452 Jy ! Clean residual min=-0.000743 max=0.000740 Jy/beam ! Clean residual mean=0.000000 rms=0.000174 Jy/beam ! Combined flux in latest and established models = 0.0495066 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 90 components and 0.0495066 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=0.051640Jy sigma=1.185862 ! Fit after self-cal, rms=0.051650Jy sigma=1.185825 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 = 9.37817e-05 Jy ! Component: 100 - total flux cleaned = 0.000137421 Jy ! Component: 150 - total flux cleaned = 0.000147782 Jy ! Component: 200 - total flux cleaned = 0.000147992 Jy ! Total flux subtracted in 200 components = 0.000147992 Jy ! Clean residual min=-0.000743 max=0.000728 Jy/beam ! Clean residual mean=0.000000 rms=0.000174 Jy/beam ! Combined flux in latest and established models = 0.0496546 Jy ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 95 components and 0.0496546 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=0.051645Jy sigma=1.185747 ! Fit after self-cal, rms=0.051645Jy sigma=1.185739 ! 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=0.051645Jy sigma=1.185739 ! Fit after self-cal, rms=0.051648Jy sigma=1.185726 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.177 mas, bmaj=2.8 mas, bpa=-1.611 degrees ! Estimated noise=0.193039 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000332412 Jy ! Component: 100 - total flux cleaned = 0.000419454 Jy ! Component: 150 - total flux cleaned = 0.000456845 Jy ! Component: 200 - total flux cleaned = 0.00048398 Jy ! Total flux subtracted in 200 components = 0.00048398 Jy ! Clean residual min=-0.000725 max=0.000795 Jy/beam ! Clean residual mean=0.000001 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.0501386 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 107 components and 0.0501386 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=0.051646Jy sigma=1.185716 ! Fit after self-cal, rms=0.051648Jy sigma=1.185699 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 = 9.6832e-05 Jy ! Component: 100 - total flux cleaned = 0.000122006 Jy ! Component: 150 - total flux cleaned = 0.000139918 Jy ! Component: 200 - total flux cleaned = 0.000144291 Jy ! Total flux subtracted in 200 components = 0.000144291 Jy ! Clean residual min=-0.000722 max=0.000795 Jy/beam ! Clean residual mean=0.000001 rms=0.000214 Jy/beam ! Combined flux in latest and established models = 0.0502829 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 112 components and 0.0502829 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=0.051648Jy sigma=1.185702 ! Fit after self-cal, rms=0.051647Jy sigma=1.185685 ! 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=0.9324 mas, bmaj=1.796 mas, bpa=-0.5922 degrees ! Estimated noise=0.154626 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9324 x 1.796 at -0.5922 degrees (North through East) ! Clean map min=-0.00069807 max=0.03819 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=0.711 mas, bmaj=1.491 mas, bpa=-0.5473 degrees ! Estimated noise=0.307699 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0278929 Jy ! Component: 100 - total flux cleaned = 0.0360235 Jy ! Component: 150 - total flux cleaned = 0.0398591 Jy ! Component: 200 - total flux cleaned = 0.0420842 Jy ! Total flux subtracted in 200 components = 0.0420842 Jy ! Clean residual min=-0.001418 max=0.001406 Jy/beam ! Clean residual mean=-0.000001 rms=0.000355 Jy/beam ! Combined flux in latest and established models = 0.0420842 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 18 model components to the UV plane model. ! The established model now contains 18 components and 0.0420842 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9324 mas, bmaj=1.796 mas, bpa=-0.5922 degrees ! Estimated noise=0.154626 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 = 0.00218995 Jy ! Component: 100 - total flux cleaned = 0.00351658 Jy ! Component: 150 - total flux cleaned = 0.00446807 Jy ! Component: 200 - total flux cleaned = 0.00499718 Jy ! Total flux subtracted in 200 components = 0.00499718 Jy ! Clean residual min=-0.000803 max=0.000787 Jy/beam ! Clean residual mean=-0.000000 rms=0.000189 Jy/beam ! Combined flux in latest and established models = 0.0470814 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 40 components and 0.0470814 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=2.177 mas, bmaj=2.8 mas, bpa=-1.611 degrees ! Estimated noise=0.193039 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000945218 Jy ! Component: 100 - total flux cleaned = 0.00158487 Jy ! Component: 150 - total flux cleaned = 0.00207784 Jy ! Component: 200 - total flux cleaned = 0.00246265 Jy ! Total flux subtracted in 200 components = 0.00246265 Jy ! Clean residual min=-0.000748 max=0.000796 Jy/beam ! Clean residual mean=0.000000 rms=0.000219 Jy/beam ! Combined flux in latest and established models = 0.0495441 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 = 0.000197444 Jy ! Component: 100 - total flux cleaned = 0.000361251 Jy ! Component: 150 - total flux cleaned = 0.000481368 Jy ! Component: 200 - total flux cleaned = 0.000548296 Jy ! Total flux subtracted in 200 components = 0.000548296 Jy ! Clean residual min=-0.000725 max=0.000789 Jy/beam ! Clean residual mean=0.000000 rms=0.000215 Jy/beam ! Combined flux in latest and established models = 0.0500924 Jy ! Adding 49 model components to the UV plane model. ! The established model now contains 82 components and 0.0500924 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9324 mas, bmaj=1.796 mas, bpa=-0.5922 degrees ! Estimated noise=0.154626 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000280723 Jy ! Component: 100 - total flux cleaned = -0.000301332 Jy ! Component: 150 - total flux cleaned = -0.0003029 Jy ! Component: 200 - total flux cleaned = -0.000289772 Jy ! Total flux subtracted in 200 components = -0.000289772 Jy ! Clean residual min=-0.000761 max=0.000733 Jy/beam ! Clean residual mean=0.000000 rms=0.000175 Jy/beam ! Combined flux in latest and established models = 0.0498026 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 94 components and 0.0498026 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=0.051655Jy sigma=1.185842 ! Fit after self-cal, rms=0.051653Jy sigma=1.185794 wmodel J0638+2458_X_map.mod ! Writing 94 model components to file: J0638+2458_X_map.mod wobs J0638+2458_X_uvs.fits ! Writing UV FITS file: J0638+2458_X_uvs.fits wwins J0638+2458_X_map.win ! wwins: Wrote 3 windows to J0638+2458_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 = -7.1313e-05 Jy ! Component: 100 - total flux cleaned = -0.000158959 Jy ! Component: 150 - total flux cleaned = -0.000267466 Jy ! Component: 200 - total flux cleaned = -0.000326091 Jy ! Component: 250 - total flux cleaned = -0.000395055 Jy ! Component: 300 - total flux cleaned = -0.000451475 Jy ! Component: 350 - total flux cleaned = -0.000517693 Jy ! Component: 400 - total flux cleaned = -0.000539437 Jy ! Component: 450 - total flux cleaned = -0.000582136 Jy ! Component: 500 - total flux cleaned = -0.000624076 Jy ! Component: 550 - total flux cleaned = -0.000675645 Jy ! Component: 600 - total flux cleaned = -0.000746788 Jy ! Component: 650 - total flux cleaned = -0.000796902 Jy ! Component: 700 - total flux cleaned = -0.000826598 Jy ! Component: 750 - total flux cleaned = -0.000865759 Jy ! Component: 800 - total flux cleaned = -0.000904391 Jy ! Component: 850 - total flux cleaned = -0.000933197 Jy ! Component: 900 - total flux cleaned = -0.000999114 Jy ! Component: 950 - total flux cleaned = -0.00102707 Jy ! Component: 1000 - total flux cleaned = -0.00109164 Jy ! Component: 1050 - total flux cleaned = -0.00111898 Jy ! Component: 1100 - total flux cleaned = -0.00115505 Jy ! Component: 1150 - total flux cleaned = -0.00120838 Jy ! Component: 1200 - total flux cleaned = -0.00123488 Jy ! Component: 1250 - total flux cleaned = -0.00125245 Jy ! Component: 1300 - total flux cleaned = -0.00131284 Jy ! Component: 1350 - total flux cleaned = -0.00128711 Jy ! Component: 1400 - total flux cleaned = -0.00131275 Jy ! Component: 1450 - total flux cleaned = -0.00134643 Jy ! Component: 1500 - total flux cleaned = -0.00133803 Jy ! Component: 1550 - total flux cleaned = -0.00134645 Jy ! Component: 1600 - total flux cleaned = -0.00137928 Jy ! Component: 1650 - total flux cleaned = -0.00137124 Jy ! Component: 1700 - total flux cleaned = -0.0013874 Jy ! Component: 1750 - total flux cleaned = -0.00142743 Jy ! Component: 1800 - total flux cleaned = -0.0014274 Jy ! Component: 1850 - total flux cleaned = -0.00141163 Jy ! Component: 1900 - total flux cleaned = -0.00144299 Jy ! Component: 1950 - total flux cleaned = -0.00145859 Jy ! Component: 2000 - total flux cleaned = -0.00147406 Jy ! Component: 2050 - total flux cleaned = -0.00148168 Jy ! Component: 2100 - total flux cleaned = -0.00145884 Jy ! Component: 2150 - total flux cleaned = -0.00149661 Jy ! Component: 2200 - total flux cleaned = -0.00151157 Jy ! Component: 2250 - total flux cleaned = -0.00151898 Jy ! Component: 2300 - total flux cleaned = -0.00153379 Jy ! Component: 2350 - total flux cleaned = -0.00152643 Jy ! Component: 2400 - total flux cleaned = -0.00151906 Jy ! Component: 2450 - total flux cleaned = -0.00154814 Jy ! Component: 2500 - total flux cleaned = -0.00156983 Jy ! Component: 2550 - total flux cleaned = -0.00153384 Jy ! Component: 2600 - total flux cleaned = -0.00154104 Jy ! Component: 2650 - total flux cleaned = -0.00156949 Jy ! Component: 2700 - total flux cleaned = -0.00157648 Jy ! Component: 2750 - total flux cleaned = -0.00155547 Jy ! Component: 2800 - total flux cleaned = -0.00156241 Jy ! Component: 2850 - total flux cleaned = -0.00155545 Jy ! Component: 2900 - total flux cleaned = -0.00153481 Jy ! Component: 2950 - total flux cleaned = -0.00154161 Jy ! Component: 3000 - total flux cleaned = -0.00152803 Jy ! Component: 3050 - total flux cleaned = -0.00150772 Jy ! Component: 3100 - total flux cleaned = -0.00151443 Jy ! Component: 3150 - total flux cleaned = -0.00149433 Jy ! Component: 3200 - total flux cleaned = -0.00149431 Jy ! Component: 3250 - total flux cleaned = -0.0014811 Jy ! Component: 3300 - total flux cleaned = -0.00148108 Jy ! Component: 3350 - total flux cleaned = -0.00148108 Jy ! Component: 3400 - total flux cleaned = -0.00146803 Jy ! Component: 3450 - total flux cleaned = -0.00146801 Jy ! Component: 3500 - total flux cleaned = -0.00146804 Jy ! Component: 3550 - total flux cleaned = -0.00147446 Jy ! Component: 3600 - total flux cleaned = -0.00144256 Jy ! Component: 3650 - total flux cleaned = -0.00147433 Jy ! Component: 3700 - total flux cleaned = -0.00146167 Jy ! Component: 3750 - total flux cleaned = -0.0014742 Jy ! Component: 3800 - total flux cleaned = -0.00144908 Jy ! Component: 3850 - total flux cleaned = -0.00144911 Jy ! Component: 3900 - total flux cleaned = -0.00147395 Jy ! Component: 3950 - total flux cleaned = -0.0014616 Jy ! Component: 4000 - total flux cleaned = -0.00143697 Jy ! Component: 4050 - total flux cleaned = -0.00144303 Jy ! Total flux subtracted in 4096 components = -0.00143696 Jy ! Clean residual min=-0.000368 max=0.000366 Jy/beam ! Clean residual mean=0.000000 rms=0.000105 Jy/beam ! Combined flux in latest and established models = 0.0483656 Jy keep ! Adding 323 model components to the UV plane model. ! The established model now contains 417 components and 0.0483656 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0638+2458_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9324 x 1.796 at -0.5922 degrees (North through East) ! Clean map min=-0.00058045 max=0.038022 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0638+2458_X_map.fits wmodel /vlbi/uf001/uva//J0638+2458_X_map.mod ! Writing 417 model components to file: /vlbi/uf001/uva//J0638+2458_X_map.mod wobs /vlbi/uf001/uva//J0638+2458_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0638+2458_X_uvs.fits wwins /vlbi/uf001/uva//J0638+2458_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J0638+2458_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0380218 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000104669 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.825858 0.825858 1.65172 3.30343 6.60687 13.2137 26.4275 52.8549 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.038 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 363.258 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0638+2458_X_dfm.log closed on Sun Jan 13 23:05:24 2019