! Started logfile: /vlbi/bp222/maps//J1459+4442_X_dfm.log on Thu Sep 27 11:16:37 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//J1459+4442_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1459+4442_X_uva.fits ! AN table 1: 23 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.980676 visibilities/baseline/integration-bin. ! Found source: J1459+4442 ! ! 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 9744 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 J1459+4442_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 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 2 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.022483Jy sigma=17.090995 ! Fit after self-cal, rms=0.804819Jy sigma=13.348227 ! 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=0.6472 mas, bmaj=2.947 mas, bpa=-31.28 degrees ! Estimated noise=0.935314 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 = 0.14949 Jy ! Component: 100 - total flux cleaned = 0.183228 Jy ! Total flux subtracted in 100 components = 0.183228 Jy ! Clean residual min=-0.006352 max=0.012256 Jy/beam ! Clean residual mean=-0.000004 rms=0.001850 Jy/beam ! Combined flux in latest and established models = 0.183228 Jy ! Performing phase self-cal ! Adding 3 model components to the UV plane model. ! The established model now contains 3 components and 0.183228 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=0.061981Jy sigma=0.970565 ! Fit after self-cal, rms=0.061953Jy sigma=0.969739 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0140441 Jy ! Component: 100 - total flux cleaned = 0.0202859 Jy ! Total flux subtracted in 100 components = 0.0202859 Jy ! Clean residual min=-0.004633 max=0.005257 Jy/beam ! Clean residual mean=-0.000001 rms=0.001097 Jy/beam ! Combined flux in latest and established models = 0.203514 Jy ! Performing phase self-cal ! Adding 9 model components to the UV plane model. ! The established model now contains 11 components and 0.203514 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=0.058175Jy sigma=0.895033 ! Fit after self-cal, rms=0.058163Jy sigma=0.894624 ! 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=0.8833 mas, bmaj=3.003 mas, bpa=-31.33 degrees ! Estimated noise=0.443622 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 = 0.00381421 Jy ! Component: 100 - total flux cleaned = 0.00362535 Jy ! Component: 150 - total flux cleaned = 0.00350658 Jy ! Component: 200 - total flux cleaned = 0.00329478 Jy ! Total flux subtracted in 200 components = 0.00329478 Jy ! Clean residual min=-0.002846 max=0.002755 Jy/beam ! Clean residual mean=0.000001 rms=0.000640 Jy/beam ! Combined flux in latest and established models = 0.206809 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 22 components and 0.206809 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=0.057269Jy sigma=0.877295 ! Fit after self-cal, rms=0.057258Jy sigma=0.877053 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8833 x 3.003 at -31.33 degrees (North through East) ! Clean map min=-0.0053325 max=0.1979 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 1.00 KP 0.98 LA 1.01 ! MK 1.02 NL 0.93 OV 0.99 PT 1.00 ! SC 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.99 KP 1.00 LA 0.99 ! MK 1.00 NL 0.96 OV 0.99 PT 1.01 ! SC 1.05 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 KP 0.99 LA 1.02 ! MK 1.00 NL 0.98 OV 0.98 PT 1.02 ! SC 1.02 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 0.98 KP 1.01 LA 1.00 ! MK 1.02 NL 0.97 OV 0.98 PT 1.01 ! SC 1.05 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.02 KP 1.02 LA 1.02 ! MK 0.97 NL 0.95 OV 1.00 PT 0.99 ! SC 1.02 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.99 KP 1.02 LA 0.99 ! MK 0.99 NL 0.95 OV 0.97 PT 1.03 ! SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.00 KP 1.01 LA 1.02 ! MK 0.99 NL 0.95 OV 0.99 PT 0.99 ! SC 1.02 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 KP 1.00 LA 1.01 ! MK 0.99 NL 0.96 OV 0.98 PT 1.00 ! SC 1.06 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.01 KP 1.04 LA 1.00 ! MK 0.98 NL 0.95 OV 0.98 PT 0.99 ! SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.98 KP 0.99 LA 1.02 ! MK 0.99 NL 0.95 OV 0.98 PT 1.00 ! SC 1.02 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 1.00 KP 0.99 LA 1.03 ! MK 0.99 NL 0.94 OV 1.00 PT 0.98 ! SC 1.03 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.03 FD 0.98 KP 1.00 LA 1.02 ! MK 0.99 NL 0.95 OV 0.97 PT 1.02 ! SC 1.05 ! ! ! Fit before self-cal, rms=0.057258Jy sigma=0.877053 ! Fit after self-cal, rms=0.056925Jy sigma=0.870150 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8839 mas, bmaj=2.997 mas, bpa=-31.51 degrees ! Estimated noise=0.440289 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.8844e-05 Jy ! Component: 100 - total flux cleaned = 3.89959e-05 Jy ! Component: 150 - total flux cleaned = 0.000129813 Jy ! Component: 200 - total flux cleaned = 0.000191235 Jy ! Total flux subtracted in 200 components = 0.000191235 Jy ! Clean residual min=-0.001651 max=0.001909 Jy/beam ! Clean residual mean=0.000000 rms=0.000381 Jy/beam ! Combined flux in latest and established models = 0.207 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 42 components and 0.207 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=0.056891Jy sigma=0.869785 ! Fit after self-cal, rms=0.056897Jy sigma=0.869723 ! 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=0.056897Jy sigma=0.869723 ! Fit after self-cal, rms=0.056947Jy sigma=0.869693 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8841 mas, bmaj=2.997 mas, bpa=-31.52 degrees ! Estimated noise=0.440512 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000180684 Jy ! Component: 100 - total flux cleaned = 0.000275054 Jy ! Component: 150 - total flux cleaned = 0.00032333 Jy ! Component: 200 - total flux cleaned = 0.000352947 Jy ! Total flux subtracted in 200 components = 0.000352947 Jy ! Clean residual min=-0.001620 max=0.001889 Jy/beam ! Clean residual mean=0.000000 rms=0.000372 Jy/beam ! Combined flux in latest and established models = 0.207353 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 47 components and 0.207353 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=0.056933Jy sigma=0.869537 ! Fit after self-cal, rms=0.056932Jy sigma=0.869526 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 (-9.6, -14). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00130001 Jy ! Component: 100 - total flux cleaned = 0.00103681 Jy ! Component: 150 - total flux cleaned = 0.000756302 Jy ! Component: 200 - total flux cleaned = 0.000587268 Jy ! Total flux subtracted in 200 components = 0.000587268 Jy ! Clean residual min=-0.001330 max=0.001201 Jy/beam ! Clean residual mean=0.000000 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.20794 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 61 components and 0.20794 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=0.056876Jy sigma=0.868736 ! Fit after self-cal, rms=0.056874Jy sigma=0.868716 ! 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=0.056874Jy sigma=0.868716 ! Fit after self-cal, rms=0.056889Jy sigma=0.868698 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8845 mas, bmaj=2.997 mas, bpa=-31.52 degrees ! Estimated noise=0.440488 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000123905 Jy ! Component: 100 - total flux cleaned = -0.000144276 Jy ! Component: 150 - total flux cleaned = -0.000161868 Jy ! Component: 200 - total flux cleaned = -0.000178889 Jy ! Total flux subtracted in 200 components = -0.000178889 Jy ! Clean residual min=-0.001320 max=0.001204 Jy/beam ! Clean residual mean=0.000000 rms=0.000310 Jy/beam ! Combined flux in latest and established models = 0.207762 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 73 components and 0.207762 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=0.056876Jy sigma=0.868507 ! Fit after self-cal, rms=0.056876Jy sigma=0.868500 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 = -5.81301e-05 Jy ! Component: 100 - total flux cleaned = -5.81036e-05 Jy ! Component: 150 - total flux cleaned = -2.933e-05 Jy ! Component: 200 - total flux cleaned = -1.60292e-05 Jy ! Total flux subtracted in 200 components = -1.60292e-05 Jy ! Clean residual min=-0.001293 max=0.001224 Jy/beam ! Clean residual mean=0.000000 rms=0.000302 Jy/beam ! Combined flux in latest and established models = 0.207746 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 79 components and 0.207746 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=0.056869Jy sigma=0.868387 ! Fit after self-cal, rms=0.056869Jy sigma=0.868385 ! 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=0.056869Jy sigma=0.868385 ! Fit after self-cal, rms=0.056894Jy sigma=0.868377 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.285 mas, bmaj=3.124 mas, bpa=-30 degrees ! Estimated noise=0.529022 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 6.47185e-05 Jy ! Component: 100 - total flux cleaned = 0.000118391 Jy ! Component: 150 - total flux cleaned = 0.0001545 Jy ! Component: 200 - total flux cleaned = 0.000165469 Jy ! Total flux subtracted in 200 components = 0.000165469 Jy ! Clean residual min=-0.001248 max=0.001159 Jy/beam ! Clean residual mean=0.000000 rms=0.000330 Jy/beam ! Combined flux in latest and established models = 0.207911 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 94 components and 0.207911 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=0.056893Jy sigma=0.868317 ! Fit after self-cal, rms=0.056892Jy sigma=0.868306 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 = -6.05768e-05 Jy ! Component: 100 - total flux cleaned = -1.77573e-05 Jy ! Component: 150 - total flux cleaned = 2.19332e-06 Jy ! Component: 200 - total flux cleaned = 2.98157e-05 Jy ! Total flux subtracted in 200 components = 2.98157e-05 Jy ! Clean residual min=-0.001229 max=0.001155 Jy/beam ! Clean residual mean=0.000000 rms=0.000324 Jy/beam ! Combined flux in latest and established models = 0.207941 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 105 components and 0.207941 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=0.056891Jy sigma=0.868279 ! Fit after self-cal, rms=0.056890Jy sigma=0.868276 ! 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=0.8846 mas, bmaj=2.997 mas, bpa=-31.52 degrees ! Estimated noise=0.440607 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8846 x 2.997 at -31.52 degrees (North through East) ! Clean map min=-0.0030752 max=0.1962 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=0.6476 mas, bmaj=2.949 mas, bpa=-31.43 degrees ! Estimated noise=0.930897 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.148711 Jy ! Component: 100 - total flux cleaned = 0.182357 Jy ! Component: 150 - total flux cleaned = 0.195882 Jy ! Component: 200 - total flux cleaned = 0.203114 Jy ! Total flux subtracted in 200 components = 0.203114 Jy ! Clean residual min=-0.003540 max=0.004176 Jy/beam ! Clean residual mean=-0.000001 rms=0.000892 Jy/beam ! Combined flux in latest and established models = 0.203114 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 5 model components to the UV plane model. ! The established model now contains 5 components and 0.203114 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8846 mas, bmaj=2.997 mas, bpa=-31.52 degrees ! Estimated noise=0.440607 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 = 0.00427229 Jy ! Component: 100 - total flux cleaned = 0.00490459 Jy ! Component: 150 - total flux cleaned = 0.0052538 Jy ! Component: 200 - total flux cleaned = 0.00562159 Jy ! Total flux subtracted in 200 components = 0.00562159 Jy ! Clean residual min=-0.001895 max=0.001553 Jy/beam ! Clean residual mean=0.000000 rms=0.000424 Jy/beam ! Combined flux in latest and established models = 0.208736 Jy ! Adding 17 model components to the UV plane model. ! The established model now contains 17 components and 0.208736 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=2.285 mas, bmaj=3.124 mas, bpa=-30 degrees ! Estimated noise=0.529022 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000182272 Jy ! Component: 100 - total flux cleaned = 5.5097e-05 Jy ! Component: 150 - total flux cleaned = -9.30933e-05 Jy ! Component: 200 - total flux cleaned = -0.00018961 Jy ! Total flux subtracted in 200 components = -0.00018961 Jy ! Clean residual min=-0.001438 max=0.001163 Jy/beam ! Clean residual mean=0.000000 rms=0.000382 Jy/beam ! Combined flux in latest and established models = 0.208546 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 = -5.75089e-05 Jy ! Component: 100 - total flux cleaned = -0.000157651 Jy ! Component: 150 - total flux cleaned = -0.000270357 Jy ! Component: 200 - total flux cleaned = -0.00035218 Jy ! Total flux subtracted in 200 components = -0.00035218 Jy ! Clean residual min=-0.001328 max=0.001169 Jy/beam ! Clean residual mean=0.000001 rms=0.000347 Jy/beam ! Combined flux in latest and established models = 0.208194 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 48 components and 0.208194 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8846 mas, bmaj=2.997 mas, bpa=-31.52 degrees ! Estimated noise=0.440607 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000238552 Jy ! Component: 100 - total flux cleaned = 0.000240876 Jy ! Component: 150 - total flux cleaned = 0.000272519 Jy ! Component: 200 - total flux cleaned = 0.000242488 Jy ! Total flux subtracted in 200 components = 0.000242488 Jy ! Clean residual min=-0.001330 max=0.001253 Jy/beam ! Clean residual mean=0.000000 rms=0.000312 Jy/beam ! Combined flux in latest and established models = 0.208436 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 65 components and 0.208436 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=0.056940Jy sigma=0.868776 ! Fit after self-cal, rms=0.056933Jy sigma=0.868695 wmodel J1459+4442_X_map.mod ! Writing 65 model components to file: J1459+4442_X_map.mod wobs J1459+4442_X_uvs.fits ! Writing UV FITS file: J1459+4442_X_uvs.fits wwins J1459+4442_X_map.win ! wwins: Wrote 2 windows to J1459+4442_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 = -0.000332331 Jy ! Component: 100 - total flux cleaned = -0.000506461 Jy ! Component: 150 - total flux cleaned = -0.000670976 Jy ! Component: 200 - total flux cleaned = -0.000769062 Jy ! Component: 250 - total flux cleaned = -0.000863743 Jy ! Component: 300 - total flux cleaned = -0.000973397 Jy ! Component: 350 - total flux cleaned = -0.00109689 Jy ! Component: 400 - total flux cleaned = -0.00125054 Jy ! Component: 450 - total flux cleaned = -0.0014164 Jy ! Component: 500 - total flux cleaned = -0.00160959 Jy ! Component: 550 - total flux cleaned = -0.00165649 Jy ! Component: 600 - total flux cleaned = -0.00179407 Jy ! Component: 650 - total flux cleaned = -0.00180875 Jy ! Component: 700 - total flux cleaned = -0.0018673 Jy ! Component: 750 - total flux cleaned = -0.00192448 Jy ! Component: 800 - total flux cleaned = -0.00195228 Jy ! Component: 850 - total flux cleaned = -0.00199307 Jy ! Component: 900 - total flux cleaned = -0.00203337 Jy ! Component: 950 - total flux cleaned = -0.00205978 Jy ! Component: 1000 - total flux cleaned = -0.00205971 Jy ! Component: 1050 - total flux cleaned = -0.00202134 Jy ! Component: 1100 - total flux cleaned = -0.00200882 Jy ! Component: 1150 - total flux cleaned = -0.00199622 Jy ! Component: 1200 - total flux cleaned = -0.00195953 Jy ! Component: 1250 - total flux cleaned = -0.00192346 Jy ! Component: 1300 - total flux cleaned = -0.00193526 Jy ! Component: 1350 - total flux cleaned = -0.00192353 Jy ! Component: 1400 - total flux cleaned = -0.00190044 Jy ! Component: 1450 - total flux cleaned = -0.00188898 Jy ! Component: 1500 - total flux cleaned = -0.00186639 Jy ! Component: 1550 - total flux cleaned = -0.00182177 Jy ! Component: 1600 - total flux cleaned = -0.00176688 Jy ! Component: 1650 - total flux cleaned = -0.00175606 Jy ! Component: 1700 - total flux cleaned = -0.00171309 Jy ! Component: 1750 - total flux cleaned = -0.00168136 Jy ! Component: 1800 - total flux cleaned = -0.00164986 Jy ! Component: 1850 - total flux cleaned = -0.00162915 Jy ! Component: 1900 - total flux cleaned = -0.00161874 Jy ! Component: 1950 - total flux cleaned = -0.00158828 Jy ! Component: 2000 - total flux cleaned = -0.00155812 Jy ! Component: 2050 - total flux cleaned = -0.00157808 Jy ! Component: 2100 - total flux cleaned = -0.00154829 Jy ! Component: 2150 - total flux cleaned = -0.00151888 Jy ! Component: 2200 - total flux cleaned = -0.00150915 Jy ! Component: 2250 - total flux cleaned = -0.00149943 Jy ! Component: 2300 - total flux cleaned = -0.00148027 Jy ! Component: 2350 - total flux cleaned = -0.0014613 Jy ! Component: 2400 - total flux cleaned = -0.00148019 Jy ! Component: 2450 - total flux cleaned = -0.00142395 Jy ! Component: 2500 - total flux cleaned = -0.00141468 Jy ! Component: 2550 - total flux cleaned = -0.00137778 Jy ! Component: 2600 - total flux cleaned = -0.00134121 Jy ! Component: 2650 - total flux cleaned = -0.00135031 Jy ! Component: 2700 - total flux cleaned = -0.00128701 Jy ! Component: 2750 - total flux cleaned = -0.00128699 Jy ! Component: 2800 - total flux cleaned = -0.00125124 Jy ! Component: 2850 - total flux cleaned = -0.00126001 Jy ! Component: 2900 - total flux cleaned = -0.00120707 Jy ! Component: 2950 - total flux cleaned = -0.00120704 Jy ! Component: 3000 - total flux cleaned = -0.00119828 Jy ! Component: 3050 - total flux cleaned = -0.00118961 Jy ! Component: 3100 - total flux cleaned = -0.00113778 Jy ! Component: 3150 - total flux cleaned = -0.00113778 Jy ! Component: 3200 - total flux cleaned = -0.0011206 Jy ! Component: 3250 - total flux cleaned = -0.00108652 Jy ! Component: 3300 - total flux cleaned = -0.00104417 Jy ! Component: 3350 - total flux cleaned = -0.00104416 Jy ! Component: 3400 - total flux cleaned = -0.00101901 Jy ! Component: 3450 - total flux cleaned = -0.00101068 Jy ! Component: 3500 - total flux cleaned = -0.00101896 Jy ! Component: 3550 - total flux cleaned = -0.000985893 Jy ! Component: 3600 - total flux cleaned = -0.00100245 Jy ! Component: 3650 - total flux cleaned = -0.000994265 Jy ! Component: 3700 - total flux cleaned = -0.00101057 Jy ! Component: 3750 - total flux cleaned = -0.00100238 Jy ! Component: 3800 - total flux cleaned = -0.000994316 Jy ! Component: 3850 - total flux cleaned = -0.000994328 Jy ! Component: 3900 - total flux cleaned = -0.000994334 Jy ! Component: 3950 - total flux cleaned = -0.000962236 Jy ! Component: 4000 - total flux cleaned = -0.000986185 Jy ! Component: 4050 - total flux cleaned = -0.000962295 Jy ! Total flux subtracted in 4096 components = -0.000978173 Jy ! Clean residual min=-0.000583 max=0.000496 Jy/beam ! Clean residual mean=0.000000 rms=0.000130 Jy/beam ! Combined flux in latest and established models = 0.207458 Jy keep ! Adding 229 model components to the UV plane model. ! The established model now contains 294 components and 0.207458 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1459+4442_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8846 x 2.997 at -31.52 degrees (North through East) ! Clean map min=-0.002438 max=0.1962 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1459+4442_X_map.fits wmodel /vlbi/bp222/maps//J1459+4442_X_map.mod ! Writing 294 model components to file: /vlbi/bp222/maps//J1459+4442_X_map.mod wobs /vlbi/bp222/maps//J1459+4442_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1459+4442_X_uvs.fits wwins /vlbi/bp222/maps//J1459+4442_X_map.win ! wwins: Wrote 3 windows to /vlbi/bp222/maps//J1459+4442_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.196204 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000129172 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.197506 0.197506 0.395012 0.790025 1.58005 3.1601 6.3202 12.6404 25.2808 50.5616 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.196 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1518.94 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1459+4442_X_dfm.log closed on Thu Sep 27 11:16:41 2018