! Started logfile: /vlbi/uf001/uva//J0847-1754_X_dfm.log on Mon Jan 14 00:07:26 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//J0847-1754_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0847-1754_X_uva.fits ! AN table 1: 87 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.731162 visibilities/baseline/integration-bin. ! Found source: J0847-1754 ! ! 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 121 lines of history. ! ! Reading 27480 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 J0847-1754_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 139 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 139 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 139 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 139 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 139 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 139 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 139 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 139 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 139 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 139 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 139 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 139 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.005657Jy sigma=20.070601 ! Fit after self-cal, rms=0.948998Jy sigma=18.933352 ! 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=0.6334 mas, bmaj=1.605 mas, bpa=-0.02777 degrees ! Estimated noise=0.50597 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 = 0.0403479 Jy ! Component: 100 - total flux cleaned = 0.0493753 Jy ! Total flux subtracted in 100 components = 0.0493753 Jy ! Clean residual min=-0.003915 max=0.006212 Jy/beam ! Clean residual mean=0.000000 rms=0.000925 Jy/beam ! Combined flux in latest and established models = 0.0493753 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.0493753 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=0.074968Jy sigma=1.323890 ! Fit after self-cal, rms=0.073337Jy sigma=1.290441 ! Inverting map ! Added new window around map position (1.6, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00661028 Jy ! Component: 100 - total flux cleaned = 0.0100693 Jy ! Total flux subtracted in 100 components = 0.0100693 Jy ! Clean residual min=-0.003786 max=0.003764 Jy/beam ! Clean residual mean=0.000001 rms=0.000793 Jy/beam ! Combined flux in latest and established models = 0.0594447 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 12 components and 0.0594447 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=0.072608Jy sigma=1.273751 ! Fit after self-cal, rms=0.072530Jy sigma=1.271862 ! 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=0.7968 mas, bmaj=1.915 mas, bpa=0.3683 degrees ! Estimated noise=0.223307 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 = 0.0048978 Jy ! Component: 100 - total flux cleaned = 0.00787951 Jy ! Component: 150 - total flux cleaned = 0.00994077 Jy ! Component: 200 - total flux cleaned = 0.0114025 Jy ! Total flux subtracted in 200 components = 0.0114025 Jy ! Clean residual min=-0.002425 max=0.002834 Jy/beam ! Clean residual mean=0.000001 rms=0.000589 Jy/beam ! Combined flux in latest and established models = 0.0708472 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 34 components and 0.0708472 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=0.072162Jy sigma=1.263601 ! Fit after self-cal, rms=0.072148Jy sigma=1.262540 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7968 x 1.915 at 0.3683 degrees (North through East) ! Clean map min=-0.002507 max=0.05461 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.09 HN 0.99 LA 0.92 ! MK 1.07 NL 1.13 OV 1.05 PT 0.95 ! SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.06 HN 0.99 LA 0.90 ! MK 1.08 NL 1.14 OV 1.00 PT 0.93 ! SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.06 HN 1.03 LA 0.89 ! MK 1.11 NL 1.22 OV 1.05 PT 0.93 ! SC 1.05 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 1.04 HN 1.01 LA 0.86 ! MK 1.00 NL 1.23 OV 1.02 PT 1.04 ! SC 1.08 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 1.03 HN 1.00 LA 0.84 ! MK 1.05 NL 1.08 OV 1.08 PT 1.04 ! SC 1.13 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.12 HN 1.02 LA 0.85 ! MK 0.96 NL 1.15 OV 0.99 PT 1.05 ! SC 1.05 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HN 0.92 LA 0.85 ! MK 0.98 NL 1.17 OV 1.04 PT 0.99 ! SC 1.03 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.05 HN 0.99 LA 0.81 ! MK 1.10 NL 1.26 OV 1.01 PT 1.05 ! SC 1.06 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.91 FD 0.99 HN 0.95 LA 0.87 ! MK 1.04 NL 1.24 OV 0.98 PT 1.04 ! SC 1.09 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.81 FD 1.08 HN 0.96 LA 0.80 ! MK 1.04 NL 1.22 OV 1.02 PT 1.04 ! SC 1.06 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.92 FD 1.04 HN 0.91 LA 0.82 ! MK 0.87 NL 1.20 OV 1.03 PT 1.10 ! SC 1.02 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.79 FD 1.00 HN 0.98 LA 0.84 ! MK 1.03 NL 1.21 OV 1.03 PT 1.00 ! SC 0.99 ! ! ! Fit before self-cal, rms=0.072148Jy sigma=1.262540 ! Fit after self-cal, rms=0.069599Jy sigma=1.253109 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8051 mas, bmaj=1.939 mas, bpa=0.4177 degrees ! Estimated noise=0.224654 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 = -8.77661e-05 Jy ! Component: 100 - total flux cleaned = -0.000108357 Jy ! Component: 150 - total flux cleaned = -0.00016438 Jy ! Component: 200 - total flux cleaned = -0.000180997 Jy ! Total flux subtracted in 200 components = -0.000180997 Jy ! Clean residual min=-0.001576 max=0.001803 Jy/beam ! Clean residual mean=0.000000 rms=0.000384 Jy/beam ! Combined flux in latest and established models = 0.0706662 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 41 components and 0.0706662 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=0.069584Jy sigma=1.252855 ! Fit after self-cal, rms=0.069793Jy sigma=1.251232 ! 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=0.069793Jy sigma=1.251232 ! Fit after self-cal, rms=0.070199Jy sigma=1.248882 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8052 mas, bmaj=1.938 mas, bpa=0.4245 degrees ! Estimated noise=0.225609 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00020384 Jy ! Component: 100 - total flux cleaned = 0.000271214 Jy ! Component: 150 - total flux cleaned = 0.000257716 Jy ! Component: 200 - total flux cleaned = 0.000245946 Jy ! Total flux subtracted in 200 components = 0.000245946 Jy ! Clean residual min=-0.001473 max=0.001655 Jy/beam ! Clean residual mean=-0.000000 rms=0.000369 Jy/beam ! Combined flux in latest and established models = 0.0709122 Jy selfcal ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 45 components and 0.0709122 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=0.070192Jy sigma=1.248769 ! Fit after self-cal, rms=0.070307Jy sigma=1.248491 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, 0.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00153735 Jy ! Component: 100 - total flux cleaned = 0.00226892 Jy ! Component: 150 - total flux cleaned = 0.0026269 Jy ! Component: 200 - total flux cleaned = 0.00277171 Jy ! Total flux subtracted in 200 components = 0.00277171 Jy ! Clean residual min=-0.001460 max=0.001378 Jy/beam ! Clean residual mean=0.000001 rms=0.000337 Jy/beam ! Combined flux in latest and established models = 0.0736839 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 58 components and 0.0736839 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=0.070274Jy sigma=1.247750 ! Fit after self-cal, rms=0.070254Jy sigma=1.247541 ! 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=0.070254Jy sigma=1.247541 ! Fit after self-cal, rms=0.070518Jy sigma=1.246735 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8048 mas, bmaj=1.935 mas, bpa=0.3878 degrees ! Estimated noise=0.225246 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000779533 Jy ! Component: 100 - total flux cleaned = 0.0011534 Jy ! Component: 150 - total flux cleaned = 0.00126469 Jy ! Component: 200 - total flux cleaned = 0.00135024 Jy ! Total flux subtracted in 200 components = 0.00135024 Jy ! Clean residual min=-0.001459 max=0.001412 Jy/beam ! Clean residual mean=0.000001 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.0750341 Jy selfcal ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 62 components and 0.0750341 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=0.070507Jy sigma=1.246499 ! Fit after self-cal, rms=0.070556Jy sigma=1.246341 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 = 0.000356558 Jy ! Component: 100 - total flux cleaned = 0.000398072 Jy ! Component: 150 - total flux cleaned = 0.000435825 Jy ! Component: 200 - total flux cleaned = 0.000447497 Jy ! Total flux subtracted in 200 components = 0.000447497 Jy ! Clean residual min=-0.001473 max=0.001394 Jy/beam ! Clean residual mean=0.000001 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.0754816 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 67 components and 0.0754817 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=0.070550Jy sigma=1.246261 ! Fit after self-cal, rms=0.070551Jy sigma=1.246248 ! 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=0.070551Jy sigma=1.246248 ! Fit after self-cal, rms=0.070649Jy sigma=1.246184 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.945 mas, bmaj=4.169 mas, bpa=1.77 degrees ! Estimated noise=0.290414 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000765173 Jy ! Component: 100 - total flux cleaned = 0.0007899 Jy ! Component: 150 - total flux cleaned = 0.000807184 Jy ! Component: 200 - total flux cleaned = 0.000806049 Jy ! Total flux subtracted in 200 components = 0.000806049 Jy ! Clean residual min=-0.001498 max=0.001661 Jy/beam ! Clean residual mean=0.000002 rms=0.000457 Jy/beam ! Combined flux in latest and established models = 0.0762877 Jy selfcal ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 77 components and 0.0762877 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=0.070651Jy sigma=1.246234 ! Fit after self-cal, rms=0.070660Jy sigma=1.246161 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 = 0.000278302 Jy ! Component: 100 - total flux cleaned = 0.000278451 Jy ! Component: 150 - total flux cleaned = 0.000302723 Jy ! Component: 200 - total flux cleaned = 0.000347082 Jy ! Total flux subtracted in 200 components = 0.000347082 Jy ! Clean residual min=-0.001469 max=0.001672 Jy/beam ! Clean residual mean=0.000002 rms=0.000455 Jy/beam ! Combined flux in latest and established models = 0.0766348 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 84 components and 0.0766348 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=0.070663Jy sigma=1.246240 ! Fit after self-cal, rms=0.070658Jy sigma=1.246199 ! 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=0.8045 mas, bmaj=1.934 mas, bpa=0.3499 degrees ! Estimated noise=0.225309 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8045 x 1.934 at 0.3499 degrees (North through East) ! Clean map min=-0.0012877 max=0.05469 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=0.638 mas, bmaj=1.608 mas, bpa=0.1384 degrees ! Estimated noise=0.517993 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0424644 Jy ! Component: 100 - total flux cleaned = 0.0535611 Jy ! Component: 150 - total flux cleaned = 0.0587964 Jy ! Component: 200 - total flux cleaned = 0.0621619 Jy ! Total flux subtracted in 200 components = 0.0621619 Jy ! Clean residual min=-0.002667 max=0.002994 Jy/beam ! Clean residual mean=-0.000000 rms=0.000680 Jy/beam ! Combined flux in latest and established models = 0.0621619 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 11 model components to the UV plane model. ! The established model now contains 11 components and 0.0621619 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8045 mas, bmaj=1.934 mas, bpa=0.3499 degrees ! Estimated noise=0.225309 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 = 0.00393109 Jy ! Component: 100 - total flux cleaned = 0.00631934 Jy ! Component: 150 - total flux cleaned = 0.0080986 Jy ! Component: 200 - total flux cleaned = 0.00951926 Jy ! Total flux subtracted in 200 components = 0.00951926 Jy ! Clean residual min=-0.001614 max=0.001667 Jy/beam ! Clean residual mean=0.000000 rms=0.000366 Jy/beam ! Combined flux in latest and established models = 0.0716812 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 35 components and 0.0716812 Jy ! Inverting map ! Added new window around map position (2.6, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0015445 Jy ! Component: 100 - total flux cleaned = 0.00257094 Jy ! Component: 150 - total flux cleaned = 0.00339386 Jy ! Component: 200 - total flux cleaned = 0.00401465 Jy ! Total flux subtracted in 200 components = 0.00401465 Jy ! Clean residual min=-0.001413 max=0.001240 Jy/beam ! Clean residual mean=0.000001 rms=0.000318 Jy/beam ! Combined flux in latest and established models = 0.0756958 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 51 components and 0.0756958 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.945 mas, bmaj=4.169 mas, bpa=1.77 degrees ! Estimated noise=0.290414 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000736839 Jy ! Component: 100 - total flux cleaned = 0.00102155 Jy ! Component: 150 - total flux cleaned = 0.00122538 Jy ! Component: 200 - total flux cleaned = 0.00135719 Jy ! Total flux subtracted in 200 components = 0.00135719 Jy ! Clean residual min=-0.001507 max=0.001557 Jy/beam ! Clean residual mean=0.000002 rms=0.000438 Jy/beam ! Combined flux in latest and established models = 0.077053 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 = 6.3956e-05 Jy ! Component: 100 - total flux cleaned = 0.000106545 Jy ! Component: 150 - total flux cleaned = 0.000145005 Jy ! Component: 200 - total flux cleaned = 0.000179935 Jy ! Total flux subtracted in 200 components = 0.000179935 Jy ! Clean residual min=-0.001467 max=0.001528 Jy/beam ! Clean residual mean=0.000002 rms=0.000429 Jy/beam ! Combined flux in latest and established models = 0.077233 Jy ! Adding 24 model components to the UV plane model. ! The established model now contains 71 components and 0.077233 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8045 mas, bmaj=1.934 mas, bpa=0.3499 degrees ! Estimated noise=0.225309 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.6113e-05 Jy ! Component: 100 - total flux cleaned = -1.70828e-05 Jy ! Component: 150 - total flux cleaned = -3.60086e-05 Jy ! Component: 200 - total flux cleaned = -3.59177e-05 Jy ! Total flux subtracted in 200 components = -3.59177e-05 Jy ! Clean residual min=-0.001334 max=0.001262 Jy/beam ! Clean residual mean=0.000001 rms=0.000304 Jy/beam ! Combined flux in latest and established models = 0.077197 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 85 components and 0.077197 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=0.070633Jy sigma=1.245797 ! Fit after self-cal, rms=0.070622Jy sigma=1.245647 wmodel J0847-1754_X_map.mod ! Writing 85 model components to file: J0847-1754_X_map.mod wobs J0847-1754_X_uvs.fits ! Writing UV FITS file: J0847-1754_X_uvs.fits wwins J0847-1754_X_map.win ! wwins: Wrote 4 windows to J0847-1754_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 = 0.000133931 Jy ! Component: 100 - total flux cleaned = 0.000422492 Jy ! Component: 150 - total flux cleaned = 0.000592265 Jy ! Component: 200 - total flux cleaned = 0.000715073 Jy ! Component: 250 - total flux cleaned = 0.000832574 Jy ! Component: 300 - total flux cleaned = 0.00092774 Jy ! Component: 350 - total flux cleaned = 0.00107581 Jy ! Component: 400 - total flux cleaned = 0.00116577 Jy ! Component: 450 - total flux cleaned = 0.00120078 Jy ! Component: 500 - total flux cleaned = 0.00125214 Jy ! Component: 550 - total flux cleaned = 0.00128547 Jy ! Component: 600 - total flux cleaned = 0.00135127 Jy ! Component: 650 - total flux cleaned = 0.00141558 Jy ! Component: 700 - total flux cleaned = 0.00143148 Jy ! Component: 750 - total flux cleaned = 0.00149389 Jy ! Component: 800 - total flux cleaned = 0.0015855 Jy ! Component: 850 - total flux cleaned = 0.00164541 Jy ! Component: 900 - total flux cleaned = 0.00170402 Jy ! Component: 950 - total flux cleaned = 0.00174742 Jy ! Component: 1000 - total flux cleaned = 0.00179051 Jy ! Component: 1050 - total flux cleaned = 0.00186084 Jy ! Component: 1100 - total flux cleaned = 0.0018329 Jy ! Component: 1150 - total flux cleaned = 0.00187424 Jy ! Component: 1200 - total flux cleaned = 0.00186075 Jy ! Component: 1250 - total flux cleaned = 0.00195462 Jy ! Component: 1300 - total flux cleaned = 0.00194111 Jy ! Component: 1350 - total flux cleaned = 0.00196747 Jy ! Component: 1400 - total flux cleaned = 0.00195456 Jy ! Component: 1450 - total flux cleaned = 0.00198024 Jy ! Component: 1500 - total flux cleaned = 0.00200584 Jy ! Component: 1550 - total flux cleaned = 0.00200606 Jy ! Component: 1600 - total flux cleaned = 0.00204333 Jy ! Component: 1650 - total flux cleaned = 0.00209236 Jy ! Component: 1700 - total flux cleaned = 0.00208017 Jy ! Component: 1750 - total flux cleaned = 0.00214027 Jy ! Component: 1800 - total flux cleaned = 0.00214031 Jy ! Component: 1850 - total flux cleaned = 0.00217561 Jy ! Component: 1900 - total flux cleaned = 0.00216391 Jy ! Component: 1950 - total flux cleaned = 0.00218706 Jy ! Component: 2000 - total flux cleaned = 0.00216403 Jy ! Component: 2050 - total flux cleaned = 0.00223224 Jy ! Component: 2100 - total flux cleaned = 0.00223235 Jy ! Component: 2150 - total flux cleaned = 0.00227704 Jy ! Component: 2200 - total flux cleaned = 0.00228816 Jy ! Component: 2250 - total flux cleaned = 0.00234294 Jy ! Component: 2300 - total flux cleaned = 0.00234292 Jy ! Component: 2350 - total flux cleaned = 0.00239668 Jy ! Component: 2400 - total flux cleaned = 0.0024499 Jy ! Component: 2450 - total flux cleaned = 0.00240756 Jy ! Component: 2500 - total flux cleaned = 0.00244949 Jy ! Component: 2550 - total flux cleaned = 0.00249125 Jy ! Component: 2600 - total flux cleaned = 0.00250158 Jy ! Component: 2650 - total flux cleaned = 0.00253238 Jy ! Component: 2700 - total flux cleaned = 0.00253237 Jy ! Component: 2750 - total flux cleaned = 0.00256272 Jy ! Component: 2800 - total flux cleaned = 0.00261267 Jy ! Component: 2850 - total flux cleaned = 0.00262252 Jy ! Component: 2900 - total flux cleaned = 0.00266191 Jy ! Component: 2950 - total flux cleaned = 0.00266191 Jy ! Component: 3000 - total flux cleaned = 0.00271054 Jy ! Component: 3050 - total flux cleaned = 0.00272016 Jy ! Component: 3100 - total flux cleaned = 0.00271053 Jy ! Component: 3150 - total flux cleaned = 0.002739 Jy ! Component: 3200 - total flux cleaned = 0.00274845 Jy ! Component: 3250 - total flux cleaned = 0.00277657 Jy ! Component: 3300 - total flux cleaned = 0.00280451 Jy ! Component: 3350 - total flux cleaned = 0.0027952 Jy ! Component: 3400 - total flux cleaned = 0.00281368 Jy ! Component: 3450 - total flux cleaned = 0.00280447 Jy ! Component: 3500 - total flux cleaned = 0.00284998 Jy ! Component: 3550 - total flux cleaned = 0.00284994 Jy ! Component: 3600 - total flux cleaned = 0.00287694 Jy ! Component: 3650 - total flux cleaned = 0.00292152 Jy ! Component: 3700 - total flux cleaned = 0.00293036 Jy ! Component: 3750 - total flux cleaned = 0.0029568 Jy ! Component: 3800 - total flux cleaned = 0.00297437 Jy ! Component: 3850 - total flux cleaned = 0.003018 Jy ! Component: 3900 - total flux cleaned = 0.00304394 Jy ! Component: 3950 - total flux cleaned = 0.00306968 Jy ! Component: 4000 - total flux cleaned = 0.00309539 Jy ! Component: 4050 - total flux cleaned = 0.00314646 Jy ! Total flux subtracted in 4096 components = 0.00314645 Jy ! Clean residual min=-0.000565 max=0.000422 Jy/beam ! Clean residual mean=0.000000 rms=0.000141 Jy/beam ! Combined flux in latest and established models = 0.0803435 Jy keep ! Adding 298 model components to the UV plane model. ! The established model now contains 383 components and 0.0803435 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0847-1754_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8045 x 1.934 at 0.3499 degrees (North through East) ! Clean map min=-0.00085188 max=0.055167 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0847-1754_X_map.fits wmodel /vlbi/uf001/uva//J0847-1754_X_map.mod ! Writing 383 model components to file: /vlbi/uf001/uva//J0847-1754_X_map.mod wobs /vlbi/uf001/uva//J0847-1754_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0847-1754_X_uvs.fits wwins /vlbi/uf001/uva//J0847-1754_X_map.win ! wwins: Wrote 5 windows to /vlbi/uf001/uva//J0847-1754_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0551667 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00013907 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.756273 0.756273 1.51255 3.02509 6.05018 12.1004 24.2007 48.4015 96.8029 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.055 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 396.682 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0847-1754_X_dfm.log closed on Mon Jan 14 00:07:31 2019