! Started logfile: /vlbi/uf001/uva//J1521+1756_X_dfm.log on Mon Jan 14 03:16:42 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//J1521+1756_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1521+1756_X_uva.fits ! AN table 1: 87 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.999681 visibilities/baseline/integration-bin. ! Found source: J1521+1756 ! ! 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 37572 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 J1521+1756_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 27 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 27 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 27 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 27 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 27 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 27 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 27 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 27 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 27 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 27 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 27 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 27 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.003486Jy sigma=23.051869 ! Fit after self-cal, rms=0.955752Jy sigma=21.976637 ! 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=0.6661 mas, bmaj=1.537 mas, bpa=-2.687 degrees ! Estimated noise=0.366579 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 = 0.0325529 Jy ! Component: 100 - total flux cleaned = 0.0423149 Jy ! Total flux subtracted in 100 components = 0.0423149 Jy ! Clean residual min=-0.003596 max=0.012286 Jy/beam ! Clean residual mean=0.000008 rms=0.000947 Jy/beam ! Combined flux in latest and established models = 0.0423149 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.0423149 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=0.065841Jy sigma=1.379898 ! Fit after self-cal, rms=0.064462Jy sigma=1.344977 ! Inverting map ! Added new window around map position (3, -1.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0123232 Jy ! Component: 100 - total flux cleaned = 0.0173971 Jy ! Total flux subtracted in 100 components = 0.0173971 Jy ! Clean residual min=-0.003416 max=0.005215 Jy/beam ! Clean residual mean=0.000006 rms=0.000711 Jy/beam ! Combined flux in latest and established models = 0.0597119 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 14 components and 0.0597119 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=0.061720Jy sigma=1.278901 ! Fit after self-cal, rms=0.060838Jy sigma=1.257565 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00781981 Jy ! Component: 100 - total flux cleaned = 0.011361 Jy ! Total flux subtracted in 100 components = 0.011361 Jy ! Clean residual min=-0.002819 max=0.002716 Jy/beam ! Clean residual mean=0.000005 rms=0.000595 Jy/beam ! Combined flux in latest and established models = 0.071073 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 18 components and 0.071073 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=0.059693Jy sigma=1.229391 ! Fit after self-cal, rms=0.059425Jy sigma=1.223254 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00409355 Jy ! Component: 100 - total flux cleaned = 0.00615611 Jy ! Total flux subtracted in 100 components = 0.00615611 Jy ! Clean residual min=-0.002445 max=0.002797 Jy/beam ! Clean residual mean=0.000004 rms=0.000560 Jy/beam ! Combined flux in latest and established models = 0.0772291 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 23 components and 0.0772291 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=0.059088Jy sigma=1.214637 ! Fit after self-cal, rms=0.059032Jy sigma=1.213481 ! 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=0.8431 mas, bmaj=1.831 mas, bpa=-2.92 degrees ! Estimated noise=0.165113 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 (1.6, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0050882 Jy ! Component: 100 - total flux cleaned = 0.00811058 Jy ! Component: 150 - total flux cleaned = 0.0101734 Jy ! Component: 200 - total flux cleaned = 0.0116212 Jy ! Total flux subtracted in 200 components = 0.0116212 Jy ! Clean residual min=-0.001599 max=0.001628 Jy/beam ! Clean residual mean=0.000003 rms=0.000372 Jy/beam ! Combined flux in latest and established models = 0.0888503 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 53 components and 0.0888503 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=0.058584Jy sigma=1.200552 ! Fit after self-cal, rms=0.058522Jy sigma=1.198576 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8431 x 1.831 at -2.92 degrees (North through East) ! Clean map min=-0.0014363 max=0.042942 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 1.03 KP 0.96 LA 1.02 ! MK 1.00 NL 1.10 OV 0.93 PT 0.91 ! SC 1.01 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 0.94 KP 0.99 LA 0.97 ! MK 1.00 NL 1.18 OV 0.93 PT 0.94 ! SC 1.02 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 HN 1.00 KP 1.00 LA 0.95 ! MK 1.01 NL 1.10 OV 0.90 PT 0.96 ! SC 0.99 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 HN 0.98 KP 1.01 LA 0.97 ! MK 1.00 NL 1.17 OV 0.93 PT 0.95 ! SC 0.98 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 0.95 KP 1.02 LA 0.96 ! MK 1.00 NL 1.17 OV 0.86 PT 0.96 ! SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 HN 1.02 KP 1.05 LA 0.98 ! MK 1.08 NL 1.10 OV 0.90 PT 0.92 ! SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 HN 1.01 KP 1.00 LA 1.03 ! MK 0.98 NL 1.12 OV 0.92 PT 0.92 ! SC 1.00 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 HN 0.93 KP 1.00 LA 0.97 ! MK 1.08 NL 1.15 OV 0.91 PT 0.96 ! SC 1.00 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 1.00 KP 0.99 LA 1.07 ! MK 0.99 NL 1.12 OV 0.87 PT 0.92 ! SC 1.04 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.05 HN 0.99 KP 0.98 LA 0.98 ! MK 0.96 NL 1.13 OV 0.92 PT 0.94 ! SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 1.00 KP 1.05 LA 1.00 ! MK 0.97 NL 1.14 OV 0.99 PT 0.91 ! SC 0.91 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.04 HN 0.95 KP 0.98 LA 1.03 ! MK 1.01 NL 1.11 OV 0.92 PT 0.93 ! SC 0.98 ! ! ! Fit before self-cal, rms=0.058522Jy sigma=1.198576 ! Fit after self-cal, rms=0.057494Jy sigma=1.193595 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8448 mas, bmaj=1.844 mas, bpa=-2.636 degrees ! Estimated noise=0.163582 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 = 0.000177839 Jy ! Component: 100 - total flux cleaned = 9.88954e-05 Jy ! Component: 150 - total flux cleaned = 9.89038e-05 Jy ! Component: 200 - total flux cleaned = 0.000142033 Jy ! Total flux subtracted in 200 components = 0.000142033 Jy ! Clean residual min=-0.000929 max=0.001128 Jy/beam ! Clean residual mean=-0.000001 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.0889924 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 65 components and 0.0889924 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=0.057450Jy sigma=1.192461 ! Fit after self-cal, rms=0.057470Jy sigma=1.191919 ! 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=0.057470Jy sigma=1.191919 ! Fit after self-cal, rms=0.058428Jy sigma=1.189692 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8426 mas, bmaj=1.842 mas, bpa=-2.422 degrees ! Estimated noise=0.1631 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.1074e-05 Jy ! Component: 100 - total flux cleaned = 9.77613e-05 Jy ! Component: 150 - total flux cleaned = 7.57911e-05 Jy ! Component: 200 - total flux cleaned = 5.76095e-05 Jy ! Total flux subtracted in 200 components = 5.76095e-05 Jy ! Clean residual min=-0.000806 max=0.000908 Jy/beam ! Clean residual mean=-0.000001 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.08905 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 77 components and 0.08905 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=0.058408Jy sigma=1.189196 ! Fit after self-cal, rms=0.058444Jy sigma=1.189035 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 (-8, 26.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0007751 Jy ! Component: 100 - total flux cleaned = 0.00104001 Jy ! Component: 150 - total flux cleaned = 0.00105626 Jy ! Component: 200 - total flux cleaned = 0.00105568 Jy ! Total flux subtracted in 200 components = 0.00105568 Jy ! Clean residual min=-0.000801 max=0.000883 Jy/beam ! Clean residual mean=-0.000000 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.0901056 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 93 components and 0.0901056 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=0.058429Jy sigma=1.188667 ! Fit after self-cal, rms=0.058429Jy sigma=1.188630 ! Inverting map ! Added new window around map position (-47.2, -24). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000472723 Jy ! Component: 100 - total flux cleaned = 0.000434493 Jy ! Component: 150 - total flux cleaned = 0.000417876 Jy ! Component: 200 - total flux cleaned = 0.000417384 Jy ! Total flux subtracted in 200 components = 0.000417384 Jy ! Clean residual min=-0.000803 max=0.000864 Jy/beam ! Clean residual mean=-0.000001 rms=0.000191 Jy/beam ! Combined flux in latest and established models = 0.090523 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 104 components and 0.090523 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=0.058413Jy sigma=1.188276 ! Fit after self-cal, rms=0.058414Jy sigma=1.188236 ! Inverting map ! Added new window around map position (-26.6, 18.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000724616 Jy ! Component: 100 - total flux cleaned = 0.000764622 Jy ! Component: 150 - total flux cleaned = 0.000835317 Jy ! Component: 200 - total flux cleaned = 0.000883947 Jy ! Total flux subtracted in 200 components = 0.000883947 Jy ! Clean residual min=-0.000749 max=0.000747 Jy/beam ! Clean residual mean=-0.000001 rms=0.000184 Jy/beam ! Combined flux in latest and established models = 0.091407 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 116 components and 0.091407 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=0.058398Jy sigma=1.187870 ! Fit after self-cal, rms=0.058395Jy sigma=1.187834 ! 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=0.058395Jy sigma=1.187834 ! Fit after self-cal, rms=0.058659Jy sigma=1.187440 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8411 mas, bmaj=1.843 mas, bpa=-2.375 degrees ! Estimated noise=0.162908 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000117162 Jy ! Component: 100 - total flux cleaned = 0.00018756 Jy ! Component: 150 - total flux cleaned = 0.000188301 Jy ! Component: 200 - total flux cleaned = 0.000174136 Jy ! Total flux subtracted in 200 components = 0.000174136 Jy ! Clean residual min=-0.000712 max=0.000742 Jy/beam ! Clean residual mean=-0.000000 rms=0.000175 Jy/beam ! Combined flux in latest and established models = 0.0915811 Jy selfcal ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 121 components and 0.0915811 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=0.058650Jy sigma=1.187226 ! Fit after self-cal, rms=0.058662Jy sigma=1.187188 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 = 3.334e-05 Jy ! Component: 100 - total flux cleaned = 3.29744e-05 Jy ! Component: 150 - total flux cleaned = -8.28363e-06 Jy ! Component: 200 - total flux cleaned = -2.15134e-05 Jy ! Total flux subtracted in 200 components = -2.15134e-05 Jy ! Clean residual min=-0.000703 max=0.000735 Jy/beam ! Clean residual mean=-0.000000 rms=0.000173 Jy/beam ! Combined flux in latest and established models = 0.0915596 Jy ! Performing phase self-cal ! Adding 48 model components to the UV plane model. ! The established model now contains 130 components and 0.0915596 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=0.058655Jy sigma=1.187050 ! Fit after self-cal, rms=0.058655Jy sigma=1.187037 ! Inverting map ! Added new window around map position (-46.4, 33.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000371517 Jy ! Component: 100 - total flux cleaned = 0.000537974 Jy ! Component: 150 - total flux cleaned = 0.000716531 Jy ! Component: 200 - total flux cleaned = 0.000812304 Jy ! Total flux subtracted in 200 components = 0.000812304 Jy ! Clean residual min=-0.000674 max=0.000654 Jy/beam ! Clean residual mean=0.000000 rms=0.000167 Jy/beam ! Combined flux in latest and established models = 0.0923719 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 142 components and 0.0923719 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=0.058642Jy sigma=1.186766 ! Fit after self-cal, rms=0.058643Jy sigma=1.186743 ! 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=0.058643Jy sigma=1.186743 ! Fit after self-cal, rms=0.058746Jy sigma=1.186712 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.034 mas, bmaj=2.907 mas, bpa=-3.215 degrees ! Estimated noise=0.210448 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000430595 Jy ! Component: 100 - total flux cleaned = 0.000532386 Jy ! Component: 150 - total flux cleaned = 0.000632758 Jy ! Component: 200 - total flux cleaned = 0.000689589 Jy ! Total flux subtracted in 200 components = 0.000689589 Jy ! Clean residual min=-0.000713 max=0.000713 Jy/beam ! Clean residual mean=0.000001 rms=0.000189 Jy/beam ! Combined flux in latest and established models = 0.0930615 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 157 components and 0.0930615 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=0.058742Jy sigma=1.186661 ! Fit after self-cal, rms=0.058746Jy sigma=1.186648 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 = 0.000172316 Jy ! Component: 100 - total flux cleaned = 0.000257197 Jy ! Component: 150 - total flux cleaned = 0.000316099 Jy ! Component: 200 - total flux cleaned = 0.00039065 Jy ! Total flux subtracted in 200 components = 0.00039065 Jy ! Clean residual min=-0.000723 max=0.000691 Jy/beam ! Clean residual mean=0.000001 rms=0.000186 Jy/beam ! Combined flux in latest and established models = 0.0934521 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 166 components and 0.0934521 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=0.058745Jy sigma=1.186627 ! Fit after self-cal, rms=0.058745Jy sigma=1.186624 ! 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=0.8406 mas, bmaj=1.843 mas, bpa=-2.378 degrees ! Estimated noise=0.162856 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8406 x 1.843 at -2.378 degrees (North through East) ! Clean map min=-0.0010772 max=0.042149 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=0.6639 mas, bmaj=1.549 mas, bpa=-1.943 degrees ! Estimated noise=0.36063 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0360718 Jy ! Component: 100 - total flux cleaned = 0.0531239 Jy ! Component: 150 - total flux cleaned = 0.0625119 Jy ! Component: 200 - total flux cleaned = 0.0682459 Jy ! Total flux subtracted in 200 components = 0.0682459 Jy ! Clean residual min=-0.002154 max=0.003146 Jy/beam ! Clean residual mean=0.000004 rms=0.000555 Jy/beam ! Combined flux in latest and established models = 0.068246 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 12 model components to the UV plane model. ! The established model now contains 12 components and 0.068246 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8406 mas, bmaj=1.843 mas, bpa=-2.378 degrees ! Estimated noise=0.162856 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 = 0.00653047 Jy ! Component: 100 - total flux cleaned = 0.0107666 Jy ! Component: 150 - total flux cleaned = 0.0136567 Jy ! Component: 200 - total flux cleaned = 0.0157434 Jy ! Total flux subtracted in 200 components = 0.0157434 Jy ! Clean residual min=-0.000998 max=0.001249 Jy/beam ! Clean residual mean=0.000002 rms=0.000272 Jy/beam ! Combined flux in latest and established models = 0.0839893 Jy ! Adding 25 model components to the UV plane model. ! The established model now contains 29 components and 0.0839893 Jy ! Inverting map ! Added new window around map position (9, -4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00157561 Jy ! Component: 100 - total flux cleaned = 0.00285616 Jy ! Component: 150 - total flux cleaned = 0.00381307 Jy ! Component: 200 - total flux cleaned = 0.00449909 Jy ! Total flux subtracted in 200 components = 0.00449909 Jy ! Clean residual min=-0.000830 max=0.000894 Jy/beam ! Clean residual mean=0.000000 rms=0.000210 Jy/beam ! Combined flux in latest and established models = 0.0884884 Jy ! Adding 28 model components to the UV plane model. ! The established model now contains 49 components and 0.0884884 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=2.034 mas, bmaj=2.907 mas, bpa=-3.215 degrees ! Estimated noise=0.210448 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00127959 Jy ! Component: 100 - total flux cleaned = 0.00205114 Jy ! Component: 150 - total flux cleaned = 0.0024865 Jy ! Component: 200 - total flux cleaned = 0.00286647 Jy ! Total flux subtracted in 200 components = 0.00286647 Jy ! Clean residual min=-0.000905 max=0.000807 Jy/beam ! Clean residual mean=0.000000 rms=0.000231 Jy/beam ! Combined flux in latest and established models = 0.0913549 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 = 0.000342465 Jy ! Component: 100 - total flux cleaned = 0.000695862 Jy ! Component: 150 - total flux cleaned = 0.000923161 Jy ! Component: 200 - total flux cleaned = 0.00111554 Jy ! Total flux subtracted in 200 components = 0.00111554 Jy ! Clean residual min=-0.000787 max=0.000711 Jy/beam ! Clean residual mean=0.000001 rms=0.000208 Jy/beam ! Combined flux in latest and established models = 0.0924704 Jy ! Adding 61 model components to the UV plane model. ! The established model now contains 98 components and 0.0924704 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8406 mas, bmaj=1.843 mas, bpa=-2.378 degrees ! Estimated noise=0.162856 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000111536 Jy ! Component: 100 - total flux cleaned = 0.000302855 Jy ! Component: 150 - total flux cleaned = 0.000433125 Jy ! Component: 200 - total flux cleaned = 0.000514693 Jy ! Total flux subtracted in 200 components = 0.000514693 Jy ! Clean residual min=-0.000726 max=0.000754 Jy/beam ! Clean residual mean=0.000000 rms=0.000169 Jy/beam ! Combined flux in latest and established models = 0.0929851 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 121 components and 0.0929851 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=0.058760Jy sigma=1.186878 ! Fit after self-cal, rms=0.058753Jy sigma=1.186760 wmodel J1521+1756_X_map.mod ! Writing 121 model components to file: J1521+1756_X_map.mod wobs J1521+1756_X_uvs.fits ! Writing UV FITS file: J1521+1756_X_uvs.fits wwins J1521+1756_X_map.win ! wwins: Wrote 8 windows to J1521+1756_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 2.39499e-05 Jy ! Component: 100 - total flux cleaned = 9.75114e-05 Jy ! Component: 150 - total flux cleaned = 0.000168319 Jy ! Component: 200 - total flux cleaned = 0.000236462 Jy ! Component: 250 - total flux cleaned = 0.000269526 Jy ! Component: 300 - total flux cleaned = 0.000334595 Jy ! Component: 350 - total flux cleaned = 0.000377068 Jy ! Component: 400 - total flux cleaned = 0.000419007 Jy ! Component: 450 - total flux cleaned = 0.000480717 Jy ! Component: 500 - total flux cleaned = 0.000541278 Jy ! Component: 550 - total flux cleaned = 0.000551223 Jy ! Component: 600 - total flux cleaned = 0.000570879 Jy ! Component: 650 - total flux cleaned = 0.000638385 Jy ! Component: 700 - total flux cleaned = 0.000676527 Jy ! Component: 750 - total flux cleaned = 0.000714238 Jy ! Component: 800 - total flux cleaned = 0.000742296 Jy ! Component: 850 - total flux cleaned = 0.000816319 Jy ! Component: 900 - total flux cleaned = 0.000834718 Jy ! Component: 950 - total flux cleaned = 0.000879947 Jy ! Component: 1000 - total flux cleaned = 0.000942537 Jy ! Component: 1050 - total flux cleaned = 0.000986767 Jy ! Component: 1100 - total flux cleaned = 0.00103941 Jy ! Component: 1150 - total flux cleaned = 0.00110017 Jy ! Component: 1200 - total flux cleaned = 0.00114324 Jy ! Component: 1250 - total flux cleaned = 0.00120304 Jy ! Component: 1300 - total flux cleaned = 0.00126226 Jy ! Component: 1350 - total flux cleaned = 0.0013209 Jy ! Component: 1400 - total flux cleaned = 0.00140406 Jy ! Component: 1450 - total flux cleaned = 0.00142872 Jy ! Component: 1500 - total flux cleaned = 0.00147775 Jy ! Component: 1550 - total flux cleaned = 0.00153446 Jy ! Component: 1600 - total flux cleaned = 0.00159065 Jy ! Component: 1650 - total flux cleaned = 0.00164639 Jy ! Component: 1700 - total flux cleaned = 0.00170168 Jy ! Component: 1750 - total flux cleaned = 0.00173304 Jy ! Component: 1800 - total flux cleaned = 0.00174859 Jy ! Component: 1850 - total flux cleaned = 0.00181039 Jy ! Component: 1900 - total flux cleaned = 0.00184866 Jy ! Component: 1950 - total flux cleaned = 0.00187162 Jy ! Component: 2000 - total flux cleaned = 0.00192446 Jy ! Component: 2050 - total flux cleaned = 0.00192438 Jy ! Component: 2100 - total flux cleaned = 0.00196911 Jy ! Component: 2150 - total flux cleaned = 0.00199866 Jy ! Component: 2200 - total flux cleaned = 0.00205001 Jy ! Component: 2250 - total flux cleaned = 0.00210106 Jy ! Component: 2300 - total flux cleaned = 0.00214435 Jy ! Component: 2350 - total flux cleaned = 0.00214435 Jy ! Component: 2400 - total flux cleaned = 0.00219434 Jy ! Component: 2450 - total flux cleaned = 0.00222982 Jy ! Component: 2500 - total flux cleaned = 0.00225801 Jy ! Component: 2550 - total flux cleaned = 0.002314 Jy ! Component: 2600 - total flux cleaned = 0.0023349 Jy ! Component: 2650 - total flux cleaned = 0.00235558 Jy ! Component: 2700 - total flux cleaned = 0.00238307 Jy ! Component: 2750 - total flux cleaned = 0.00241041 Jy ! Component: 2800 - total flux cleaned = 0.00245786 Jy ! Component: 2850 - total flux cleaned = 0.00246465 Jy ! Component: 2900 - total flux cleaned = 0.00250477 Jy ! Component: 2950 - total flux cleaned = 0.00249152 Jy ! Component: 3000 - total flux cleaned = 0.00253781 Jy ! Component: 3050 - total flux cleaned = 0.0025773 Jy ! Component: 3100 - total flux cleaned = 0.00258386 Jy ! Component: 3150 - total flux cleaned = 0.0026034 Jy ! Component: 3200 - total flux cleaned = 0.00262929 Jy ! Component: 3250 - total flux cleaned = 0.00265503 Jy ! Component: 3300 - total flux cleaned = 0.00267421 Jy ! Component: 3350 - total flux cleaned = 0.00273148 Jy ! Component: 3400 - total flux cleaned = 0.00274411 Jy ! Component: 3450 - total flux cleaned = 0.00275042 Jy ! Component: 3500 - total flux cleaned = 0.00278177 Jy ! Component: 3550 - total flux cleaned = 0.00279425 Jy ! Component: 3600 - total flux cleaned = 0.00285631 Jy ! Component: 3650 - total flux cleaned = 0.00282547 Jy ! Component: 3700 - total flux cleaned = 0.00285003 Jy ! Component: 3750 - total flux cleaned = 0.00288673 Jy ! Component: 3800 - total flux cleaned = 0.002905 Jy ! Component: 3850 - total flux cleaned = 0.00291713 Jy ! Component: 3900 - total flux cleaned = 0.00290505 Jy ! Component: 3950 - total flux cleaned = 0.00294106 Jy ! Component: 4000 - total flux cleaned = 0.00295302 Jy ! Component: 4050 - total flux cleaned = 0.0029649 Jy ! Total flux subtracted in 4096 components = 0.00297668 Jy ! Clean residual min=-0.000351 max=0.000369 Jy/beam ! Clean residual mean=-0.000000 rms=0.000101 Jy/beam ! Combined flux in latest and established models = 0.0959618 Jy keep ! Adding 306 model components to the UV plane model. ! The established model now contains 427 components and 0.0959617 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1521+1756_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8406 x 1.843 at -2.378 degrees (North through East) ! Clean map min=-0.00066054 max=0.04164 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1521+1756_X_map.fits wmodel /vlbi/uf001/uva//J1521+1756_X_map.mod ! Writing 427 model components to file: /vlbi/uf001/uva//J1521+1756_X_map.mod wobs /vlbi/uf001/uva//J1521+1756_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1521+1756_X_uvs.fits wwins /vlbi/uf001/uva//J1521+1756_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J1521+1756_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.04164 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000101072 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.728185 0.728185 1.45637 2.91274 5.82548 11.651 23.3019 46.6038 93.2076 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.041 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 411.983 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1521+1756_X_dfm.log closed on Mon Jan 14 03:16:49 2019