! Started logfile: /vlbi/bp222/maps//J1831-2714_X_dfm.log on Thu Sep 27 11:30:17 2018 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/bp222/maps//J1831-2714_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1831-2714_X_uvm.fits ! AN table 1: 23 integrations on 10 of 10 possible baselines. ! AN table 2: 90 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.9317 visibilities/baseline/integration-bin. ! Found source: J1831-2714 ! ! 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 108 lines of history. ! ! Reading 38796 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 J1831-2714_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 29 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 29 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 29 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 29 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 29 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 29 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 29 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 29 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 29 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 29 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 29 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 29 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.008477Jy sigma=13.196036 ! Fit after self-cal, rms=0.904057Jy sigma=11.745439 ! 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=0.6015 mas, bmaj=1.655 mas, bpa=-2.341 degrees ! Estimated noise=0.626275 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 = 0.0766092 Jy ! Component: 100 - total flux cleaned = 0.09385 Jy ! Total flux subtracted in 100 components = 0.09385 Jy ! Clean residual min=-0.003350 max=0.007198 Jy/beam ! Clean residual mean=-0.000005 rms=0.000759 Jy/beam ! Combined flux in latest and established models = 0.09385 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.09385 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=0.080205Jy sigma=0.858119 ! Fit after self-cal, rms=0.080056Jy sigma=0.857415 ! Inverting map ! Added new window around map position (0.8, -1.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00758444 Jy ! Component: 100 - total flux cleaned = 0.0120702 Jy ! Total flux subtracted in 100 components = 0.0120702 Jy ! Clean residual min=-0.003021 max=0.004933 Jy/beam ! Clean residual mean=-0.000005 rms=0.000614 Jy/beam ! Combined flux in latest and established models = 0.10592 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 10 components and 0.10592 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=0.079269Jy sigma=0.838657 ! Fit after self-cal, rms=0.079239Jy sigma=0.838020 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00358853 Jy ! Component: 100 - total flux cleaned = 0.0055757 Jy ! Total flux subtracted in 100 components = 0.0055757 Jy ! Clean residual min=-0.003275 max=0.003227 Jy/beam ! Clean residual mean=-0.000004 rms=0.000579 Jy/beam ! Combined flux in latest and established models = 0.111496 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 18 components and 0.111496 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=0.079085Jy sigma=0.834738 ! Fit after self-cal, rms=0.079081Jy sigma=0.834348 ! 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=0.8208 mas, bmaj=2.158 mas, bpa=-3.651 degrees ! Estimated noise=0.295269 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 = 0.00190103 Jy ! Component: 100 - total flux cleaned = 0.00232761 Jy ! Component: 150 - total flux cleaned = 0.00246398 Jy ! Component: 200 - total flux cleaned = 0.00252637 Jy ! Total flux subtracted in 200 components = 0.00252637 Jy ! Clean residual min=-0.002815 max=0.002649 Jy/beam ! Clean residual mean=-0.000008 rms=0.000558 Jy/beam ! Combined flux in latest and established models = 0.114022 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 28 components and 0.114022 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=0.079030Jy sigma=0.833503 ! Fit after self-cal, rms=0.079030Jy sigma=0.833447 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8208 x 2.158 at -3.651 degrees (North through East) ! Clean map min=-0.002622 max=0.098849 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.91 HN 0.98 KP 0.90 NL 1.05 ! OV 0.92 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 HN 1.25 KP 1.00 LA 1.01 ! MK 1.01 NL 1.01 OV 1.03 PT 1.04 ! SC 1.03 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.89 HN 1.05 KP 0.95 NL 1.01 ! OV 0.87 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 HN 1.42 KP 0.97 LA 1.04 ! MK 1.00 NL 1.02 OV 1.01 PT 1.05 ! SC 1.03 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 0.86 HN 1.01 KP 0.90 NL 1.03 ! OV 0.91 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 HN 1.28 KP 0.96 LA 1.01 ! MK 1.03 NL 1.05 OV 1.04 PT 1.05 ! SC 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 0.92 HN 1.05 KP 0.87 NL 0.94 ! OV 0.88 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 HN 1.38 KP 1.00 LA 1.04 ! MK 1.01 NL 1.01 OV 0.97 PT 1.04 ! SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 0.91 HN 0.94 KP 0.88 NL 1.13 ! OV 0.86 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.96 HN 1.22 KP 0.96 LA 1.04 ! MK 1.03 NL 1.04 OV 1.02 PT 1.07 ! SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.87 HN 0.98 KP 0.95 NL 0.91 ! OV 0.89 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.95 HN 1.23 KP 0.95 LA 1.02 ! MK 0.97 NL 1.02 OV 1.00 PT 1.06 ! SC 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.88 HN 0.96 KP 0.91 NL 0.97 ! OV 0.96 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 HN 1.19 KP 0.97 LA 1.00 ! MK 0.98 NL 1.03 OV 0.99 PT 1.03 ! SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.93 HN 0.92 KP 0.91 NL 1.02 ! OV 0.88 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 HN 1.24 KP 0.94 LA 1.06 ! MK 0.99 NL 1.02 OV 1.00 PT 1.02 ! SC 0.99 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! FD 0.89 HN 0.91 KP 1.00 NL 0.98 ! OV 0.84 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 HN 1.20 KP 0.96 LA 1.03 ! MK 1.04 NL 1.05 OV 0.99 PT 1.03 ! SC 0.93 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! FD 0.84 HN 1.02 KP 0.92 NL 0.95 ! OV 0.86 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.94 HN 1.18 KP 0.94 LA 1.05 ! MK 1.05 NL 1.00 OV 1.00 PT 1.02 ! SC 1.00 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! FD 0.92 HN 1.06 KP 0.86 NL 0.96 ! OV 0.84 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.90 HN 1.22 KP 0.97 LA 1.02 ! MK 0.99 NL 1.00 OV 1.00 PT 1.06 ! SC 0.94 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! FD 0.92 HN 0.91 KP 0.90 NL 0.81 ! OV 0.84 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.92 HN 1.14 KP 0.96 LA 1.00 ! MK 0.94 NL 1.02 OV 0.97 PT 1.05 ! SC 0.98 ! ! ! Fit before self-cal, rms=0.079030Jy sigma=0.833447 ! Fit after self-cal, rms=0.085251Jy sigma=0.824763 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8273 mas, bmaj=2.153 mas, bpa=-3.439 degrees ! Estimated noise=0.296888 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 = -0.0010878 Jy ! Component: 100 - total flux cleaned = -0.00102074 Jy ! Component: 150 - total flux cleaned = -0.000995346 Jy ! Component: 200 - total flux cleaned = -0.00101658 Jy ! Total flux subtracted in 200 components = -0.00101658 Jy ! Clean residual min=-0.001389 max=0.001261 Jy/beam ! Clean residual mean=-0.000002 rms=0.000290 Jy/beam ! Combined flux in latest and established models = 0.113006 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 38 components and 0.113006 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=0.085227Jy sigma=0.824269 ! Fit after self-cal, rms=0.085323Jy sigma=0.824066 ! 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=0.085323Jy sigma=0.824066 ! Fit after self-cal, rms=0.086667Jy sigma=0.822842 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8287 mas, bmaj=2.159 mas, bpa=-3.457 degrees ! Estimated noise=0.297037 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000707872 Jy ! Component: 100 - total flux cleaned = -0.000689946 Jy ! Component: 150 - total flux cleaned = -0.000658146 Jy ! Component: 200 - total flux cleaned = -0.000672232 Jy ! Total flux subtracted in 200 components = -0.000672232 Jy ! Clean residual min=-0.001268 max=0.001138 Jy/beam ! Clean residual mean=-0.000002 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.112334 Jy selfcal ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 42 components and 0.112334 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=0.086661Jy sigma=0.822658 ! Fit after self-cal, rms=0.086681Jy sigma=0.822615 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 (-1.2, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000735821 Jy ! Component: 100 - total flux cleaned = 0.00068035 Jy ! Component: 150 - total flux cleaned = 0.000633445 Jy ! Component: 200 - total flux cleaned = 0.000612776 Jy ! Total flux subtracted in 200 components = 0.000612776 Jy ! Clean residual min=-0.001112 max=0.001022 Jy/beam ! Clean residual mean=-0.000001 rms=0.000243 Jy/beam ! Combined flux in latest and established models = 0.112946 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 63 components and 0.112946 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=0.086655Jy sigma=0.822376 ! Fit after self-cal, rms=0.086650Jy sigma=0.822333 ! 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=0.086650Jy sigma=0.822333 ! Fit after self-cal, rms=0.088818Jy sigma=0.820717 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8287 mas, bmaj=2.158 mas, bpa=-3.455 degrees ! Estimated noise=0.296963 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000170547 Jy ! Component: 100 - total flux cleaned = 0.000192476 Jy ! Component: 150 - total flux cleaned = 0.000227421 Jy ! Component: 200 - total flux cleaned = 0.000242186 Jy ! Total flux subtracted in 200 components = 0.000242186 Jy ! Clean residual min=-0.001042 max=0.000919 Jy/beam ! Clean residual mean=-0.000001 rms=0.000220 Jy/beam ! Combined flux in latest and established models = 0.113188 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 70 components and 0.113188 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=0.088807Jy sigma=0.820590 ! Fit after self-cal, rms=0.088842Jy sigma=0.820520 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 4.01621e-05 Jy ! Component: 100 - total flux cleaned = 7.06806e-05 Jy ! Component: 150 - total flux cleaned = 8.35875e-05 Jy ! Component: 200 - total flux cleaned = 7.17401e-05 Jy ! Total flux subtracted in 200 components = 7.17401e-05 Jy ! Clean residual min=-0.001035 max=0.000911 Jy/beam ! Clean residual mean=-0.000001 rms=0.000218 Jy/beam ! Combined flux in latest and established models = 0.11326 Jy ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 80 components and 0.11326 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=0.088835Jy sigma=0.820456 ! Fit after self-cal, rms=0.088834Jy sigma=0.820446 ! 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=0.088834Jy sigma=0.820446 ! Fit after self-cal, rms=0.088969Jy sigma=0.820421 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.305 mas, bmaj=5.669 mas, bpa=-1.798 degrees ! Estimated noise=0.344868 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000101659 Jy ! Component: 100 - total flux cleaned = 0.000128536 Jy ! Component: 150 - total flux cleaned = 0.000128194 Jy ! Component: 200 - total flux cleaned = 0.000128454 Jy ! Total flux subtracted in 200 components = 0.000128454 Jy ! Clean residual min=-0.000995 max=0.000996 Jy/beam ! Clean residual mean=-0.000002 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.113389 Jy selfcal ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 89 components and 0.113389 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=0.088965Jy sigma=0.820379 ! Fit after self-cal, rms=0.088963Jy sigma=0.820361 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 = 1.56004e-05 Jy ! Component: 100 - total flux cleaned = 2.53794e-05 Jy ! Component: 150 - total flux cleaned = 3.28158e-05 Jy ! Component: 200 - total flux cleaned = 3.83762e-05 Jy ! Total flux subtracted in 200 components = 3.83762e-05 Jy ! Clean residual min=-0.001002 max=0.000999 Jy/beam ! Clean residual mean=-0.000002 rms=0.000245 Jy/beam ! Combined flux in latest and established models = 0.113427 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 92 components and 0.113427 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=0.088961Jy sigma=0.820342 ! Fit after self-cal, rms=0.088959Jy sigma=0.820332 ! 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=0.8283 mas, bmaj=2.157 mas, bpa=-3.427 degrees ! Estimated noise=0.296658 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8283 x 2.157 at -3.427 degrees (North through East) ! Clean map min=-0.00094211 max=0.099608 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=0.6049 mas, bmaj=1.651 mas, bpa=-2.029 degrees ! Estimated noise=0.632614 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.077091 Jy ! Component: 100 - total flux cleaned = 0.0947219 Jy ! Component: 150 - total flux cleaned = 0.102053 Jy ! Component: 200 - total flux cleaned = 0.106374 Jy ! Total flux subtracted in 200 components = 0.106374 Jy ! Clean residual min=-0.002262 max=0.002289 Jy/beam ! Clean residual mean=-0.000002 rms=0.000489 Jy/beam ! Combined flux in latest and established models = 0.106374 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 14 model components to the UV plane model. ! The established model now contains 14 components and 0.106374 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8283 mas, bmaj=2.157 mas, bpa=-3.427 degrees ! Estimated noise=0.296658 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 = 0.00375021 Jy ! Component: 100 - total flux cleaned = 0.0056134 Jy ! Component: 150 - total flux cleaned = 0.00648206 Jy ! Component: 200 - total flux cleaned = 0.00657617 Jy ! Total flux subtracted in 200 components = 0.00657617 Jy ! Clean residual min=-0.001104 max=0.000980 Jy/beam ! Clean residual mean=-0.000001 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.11295 Jy ! Adding 23 model components to the UV plane model. ! The established model now contains 36 components and 0.11295 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=2.305 mas, bmaj=5.669 mas, bpa=-1.798 degrees ! Estimated noise=0.344868 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00035608 Jy ! Component: 100 - total flux cleaned = 0.00047082 Jy ! Component: 150 - total flux cleaned = 0.000541558 Jy ! Component: 200 - total flux cleaned = 0.000599771 Jy ! Total flux subtracted in 200 components = 0.000599771 Jy ! Clean residual min=-0.001025 max=0.001024 Jy/beam ! Clean residual mean=-0.000001 rms=0.000250 Jy/beam ! Combined flux in latest and established models = 0.11355 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 = 2.47458e-05 Jy ! Component: 100 - total flux cleaned = 2.52517e-05 Jy ! Component: 150 - total flux cleaned = 3.47238e-05 Jy ! Component: 200 - total flux cleaned = 3.45211e-05 Jy ! Total flux subtracted in 200 components = 3.45211e-05 Jy ! Clean residual min=-0.001021 max=0.001019 Jy/beam ! Clean residual mean=-0.000001 rms=0.000246 Jy/beam ! Combined flux in latest and established models = 0.113585 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 55 components and 0.113585 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8283 mas, bmaj=2.157 mas, bpa=-3.427 degrees ! Estimated noise=0.296658 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000166086 Jy ! Component: 100 - total flux cleaned = -0.000165511 Jy ! Component: 150 - total flux cleaned = -0.000185274 Jy ! Component: 200 - total flux cleaned = -0.00018622 Jy ! Total flux subtracted in 200 components = -0.00018622 Jy ! Clean residual min=-0.001036 max=0.000897 Jy/beam ! Clean residual mean=-0.000001 rms=0.000216 Jy/beam ! Combined flux in latest and established models = 0.113398 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 66 components and 0.113399 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=0.088971Jy sigma=0.820432 ! Fit after self-cal, rms=0.088964Jy sigma=0.820386 wmodel J1831-2714_X_map.mod ! Writing 66 model components to file: J1831-2714_X_map.mod wobs J1831-2714_X_uvs.fits ! Writing UV FITS file: J1831-2714_X_uvs.fits wwins J1831-2714_X_map.win ! wwins: Wrote 3 windows to J1831-2714_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 = -0.000394852 Jy ! Component: 100 - total flux cleaned = -0.00057344 Jy ! Component: 150 - total flux cleaned = -0.000728057 Jy ! Component: 200 - total flux cleaned = -0.00078797 Jy ! Component: 250 - total flux cleaned = -0.00084614 Jy ! Component: 300 - total flux cleaned = -0.000846325 Jy ! Component: 350 - total flux cleaned = -0.000860444 Jy ! Component: 400 - total flux cleaned = -0.000873827 Jy ! Component: 450 - total flux cleaned = -0.000873813 Jy ! Component: 500 - total flux cleaned = -0.000900015 Jy ! Component: 550 - total flux cleaned = -0.000925727 Jy ! Component: 600 - total flux cleaned = -0.000951213 Jy ! Component: 650 - total flux cleaned = -0.000951172 Jy ! Component: 700 - total flux cleaned = -0.00100093 Jy ! Component: 750 - total flux cleaned = -0.00100089 Jy ! Component: 800 - total flux cleaned = -0.00104955 Jy ! Component: 850 - total flux cleaned = -0.00108576 Jy ! Component: 900 - total flux cleaned = -0.00116911 Jy ! Component: 950 - total flux cleaned = -0.00123989 Jy ! Component: 1000 - total flux cleaned = -0.00127496 Jy ! Component: 1050 - total flux cleaned = -0.00133263 Jy ! Component: 1100 - total flux cleaned = -0.00137856 Jy ! Component: 1150 - total flux cleaned = -0.00141273 Jy ! Component: 1200 - total flux cleaned = -0.00145775 Jy ! Component: 1250 - total flux cleaned = -0.00151354 Jy ! Component: 1300 - total flux cleaned = -0.00155778 Jy ! Component: 1350 - total flux cleaned = -0.00157968 Jy ! Component: 1400 - total flux cleaned = -0.00163413 Jy ! Component: 1450 - total flux cleaned = -0.00170972 Jy ! Component: 1500 - total flux cleaned = -0.00170968 Jy ! Component: 1550 - total flux cleaned = -0.00175212 Jy ! Component: 1600 - total flux cleaned = -0.00175218 Jy ! Component: 1650 - total flux cleaned = -0.00176284 Jy ! Component: 1700 - total flux cleaned = -0.0018461 Jy ! Component: 1750 - total flux cleaned = -0.00180464 Jy ! Component: 1800 - total flux cleaned = -0.00184581 Jy ! Component: 1850 - total flux cleaned = -0.00187641 Jy ! Component: 1900 - total flux cleaned = -0.0018561 Jy ! Component: 1950 - total flux cleaned = -0.00189638 Jy ! Component: 2000 - total flux cleaned = -0.00189642 Jy ! Component: 2050 - total flux cleaned = -0.00189641 Jy ! Component: 2100 - total flux cleaned = -0.00196569 Jy ! Component: 2150 - total flux cleaned = -0.00195593 Jy ! Component: 2200 - total flux cleaned = -0.0019951 Jy ! Component: 2250 - total flux cleaned = -0.00203397 Jy ! Component: 2300 - total flux cleaned = -0.00205333 Jy ! Component: 2350 - total flux cleaned = -0.00208209 Jy ! Component: 2400 - total flux cleaned = -0.00211059 Jy ! Component: 2450 - total flux cleaned = -0.00210122 Jy ! Component: 2500 - total flux cleaned = -0.00213888 Jy ! Component: 2550 - total flux cleaned = -0.00215763 Jy ! Component: 2600 - total flux cleaned = -0.00218564 Jy ! Component: 2650 - total flux cleaned = -0.00222269 Jy ! Component: 2700 - total flux cleaned = -0.00223191 Jy ! Component: 2750 - total flux cleaned = -0.00221351 Jy ! Component: 2800 - total flux cleaned = -0.00227757 Jy ! Component: 2850 - total flux cleaned = -0.00232304 Jy ! Component: 2900 - total flux cleaned = -0.00231391 Jy ! Component: 2950 - total flux cleaned = -0.00233187 Jy ! Component: 3000 - total flux cleaned = -0.00234978 Jy ! Component: 3050 - total flux cleaned = -0.00238555 Jy ! Component: 3100 - total flux cleaned = -0.00242103 Jy ! Component: 3150 - total flux cleaned = -0.0024299 Jy ! Component: 3200 - total flux cleaned = -0.00248267 Jy ! Component: 3250 - total flux cleaned = -0.00249145 Jy ! Component: 3300 - total flux cleaned = -0.00253505 Jy ! Component: 3350 - total flux cleaned = -0.00253509 Jy ! Component: 3400 - total flux cleaned = -0.00256977 Jy ! Component: 3450 - total flux cleaned = -0.00257844 Jy ! Component: 3500 - total flux cleaned = -0.00258698 Jy ! Component: 3550 - total flux cleaned = -0.00262963 Jy ! Component: 3600 - total flux cleaned = -0.00262957 Jy ! Component: 3650 - total flux cleaned = -0.00262957 Jy ! Component: 3700 - total flux cleaned = -0.00263797 Jy ! Component: 3750 - total flux cleaned = -0.00263793 Jy ! Component: 3800 - total flux cleaned = -0.00264627 Jy ! Component: 3850 - total flux cleaned = -0.00267127 Jy ! Component: 3900 - total flux cleaned = -0.00266301 Jy ! Component: 3950 - total flux cleaned = -0.00271237 Jy ! Component: 4000 - total flux cleaned = -0.00267137 Jy ! Component: 4050 - total flux cleaned = -0.00267951 Jy ! Total flux subtracted in 4096 components = -0.00266319 Jy ! Clean residual min=-0.000522 max=0.000537 Jy/beam ! Clean residual mean=-0.000000 rms=0.000138 Jy/beam ! Combined flux in latest and established models = 0.110735 Jy keep ! Adding 287 model components to the UV plane model. ! The established model now contains 353 components and 0.110735 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1831-2714_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8283 x 2.157 at -3.427 degrees (North through East) ! Clean map min=-0.00084543 max=0.1001 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1831-2714_X_map.fits wmodel /vlbi/bp222/maps//J1831-2714_X_map.mod ! Writing 353 model components to file: /vlbi/bp222/maps//J1831-2714_X_map.mod wobs /vlbi/bp222/maps//J1831-2714_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1831-2714_X_uvs.fits wwins /vlbi/bp222/maps//J1831-2714_X_map.win ! wwins: Wrote 4 windows to /vlbi/bp222/maps//J1831-2714_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.100099 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000137495 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.412076 0.412076 0.824151 1.6483 3.2966 6.59321 13.1864 26.3728 52.7457 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.1 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 728.021 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1831-2714_X_dfm.log closed on Thu Sep 27 11:30:23 2018