! Started logfile: /vlbi/bp222/maps//J1938-1749_X_dfm.log on Thu Sep 27 11:33:07 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//J1938-1749_X_uvm.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1938-1749_X_uvm.fits ! AN table 1: 92 integrations on 45 of 45 possible baselines. ! AN table 2: 23 integrations on 28 of 28 possible baselines. ! Apparent sampling: 0.85347 visibilities/baseline/integration-bin. ! Found source: J1938-1749 ! ! 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 48996 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 J1938-1749_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 77 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 2. ! A total of 77 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 3. ! A total of 77 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 4. ! A total of 77 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 5. ! A total of 77 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 6. ! A total of 77 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 7. ! A total of 77 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 8. ! A total of 77 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 9. ! A total of 77 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 10. ! A total of 77 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 11. ! A total of 77 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Correcting IF 12. ! A total of 77 telescope corrections were flagged in sub-array 1. ! A total of 2 telescope corrections were flagged in sub-array 2. ! ! Fit before self-cal, rms=1.025840Jy sigma=15.004562 ! Fit after self-cal, rms=0.806155Jy sigma=11.705763 ! 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=0.6466 mas, bmaj=1.668 mas, bpa=-4.475 degrees ! Estimated noise=0.51036 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 = 0.15174 Jy ! Component: 100 - total flux cleaned = 0.186793 Jy ! Total flux subtracted in 100 components = 0.186793 Jy ! Clean residual min=-0.004393 max=0.012866 Jy/beam ! Clean residual mean=0.000000 rms=0.000980 Jy/beam ! Combined flux in latest and established models = 0.186793 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 0.186793 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=0.071694Jy sigma=0.918578 ! Fit after self-cal, rms=0.071692Jy sigma=0.918480 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.012936 Jy ! Component: 100 - total flux cleaned = 0.0183506 Jy ! Total flux subtracted in 100 components = 0.0183506 Jy ! Clean residual min=-0.003417 max=0.003482 Jy/beam ! Clean residual mean=0.000002 rms=0.000673 Jy/beam ! Combined flux in latest and established models = 0.205144 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.205144 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=0.069814Jy sigma=0.876634 ! Fit after self-cal, rms=0.069824Jy sigma=0.876499 ! 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=0.8891 mas, bmaj=2.155 mas, bpa=-3.762 degrees ! Estimated noise=0.229737 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 = 0.00176695 Jy ! Component: 100 - total flux cleaned = 0.00177598 Jy ! Component: 150 - total flux cleaned = 0.00174224 Jy ! Component: 200 - total flux cleaned = 0.001687 Jy ! Total flux subtracted in 200 components = 0.001687 Jy ! Clean residual min=-0.004087 max=0.002949 Jy/beam ! Clean residual mean=0.000003 rms=0.000626 Jy/beam ! Combined flux in latest and established models = 0.206831 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 14 components and 0.206831 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=0.069797Jy sigma=0.874914 ! Fit after self-cal, rms=0.069795Jy sigma=0.874901 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8891 x 2.155 at -3.762 degrees (North through East) ! Clean map min=-0.0038324 max=0.19729 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 HN 1.08 KP 0.99 ! LA 1.02 MK 0.99 NL 0.96 OV 1.02 ! PT 1.07 SC 1.03 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.03 KP 1.04 LA 0.89 ! NL 0.94 OV 1.06 PT 1.06 SC 0.98 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 HN 1.08 KP 0.99 ! LA 1.02 MK 0.98 NL 0.95 OV 1.01 ! PT 1.06 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.07 KP 1.05 LA 0.89 ! NL 0.90 OV 1.00 PT 1.11 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.96 HN 1.06 KP 1.00 ! LA 1.02 MK 1.01 NL 0.94 OV 1.01 ! PT 1.06 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.04 KP 1.04 LA 0.89 ! NL 0.93 OV 1.06 PT 1.06 SC 0.97 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.02 FD 0.98 HN 1.09 KP 1.00 ! LA 1.02 MK 0.98 NL 0.94 OV 1.00 ! PT 1.04 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.04 KP 1.02 LA 0.88 ! NL 0.96 OV 1.01 PT 1.10 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 1.07 KP 0.99 ! LA 1.01 MK 0.96 NL 0.96 OV 1.02 ! PT 1.06 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.01 FD 1.04 KP 1.02 LA 0.90 ! NL 0.93 OV 1.02 PT 1.08 SC 0.97 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HN 1.07 KP 0.97 ! LA 1.00 MK 0.99 NL 0.94 OV 1.01 ! PT 1.05 SC 1.02 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.07 KP 1.04 LA 0.86 ! NL 0.91 OV 1.01 PT 1.09 SC 0.95 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 0.97 HN 1.05 KP 0.98 ! LA 1.00 MK 0.99 NL 0.94 OV 1.01 ! PT 1.07 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.02 FD 1.03 KP 1.05 LA 0.89 ! NL 0.91 OV 1.00 PT 1.05 SC 0.98 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.97 HN 1.05 KP 0.96 ! LA 1.01 MK 0.97 NL 0.96 OV 1.00 ! PT 1.04 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.03 FD 1.03 KP 1.02 LA 0.92 ! NL 0.94 OV 0.99 PT 1.08 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 0.99 FD 0.97 HN 1.03 KP 0.98 ! LA 1.00 MK 0.98 NL 0.95 OV 0.99 ! PT 1.04 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 1.00 FD 1.03 KP 1.02 LA 0.88 ! NL 0.90 OV 1.02 PT 1.08 SC 1.03 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.95 HN 1.05 KP 0.95 ! LA 1.03 MK 0.99 NL 0.95 OV 0.99 ! PT 1.04 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.01 KP 1.01 LA 0.88 ! NL 0.89 OV 1.02 PT 1.11 SC 0.91 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 0.99 HN 1.06 KP 0.97 ! LA 1.00 MK 0.99 NL 0.94 OV 0.99 ! PT 1.06 SC 1.01 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.99 FD 1.04 KP 1.00 LA 0.89 ! NL 0.87 OV 1.00 PT 1.07 SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 0.95 HN 1.05 KP 0.96 ! LA 1.00 MK 1.02 NL 0.95 OV 0.97 ! PT 1.04 SC 0.99 ! ! Telescope amplitude corrections in sub-array 2: ! BR 0.97 FD 0.98 KP 1.09 LA 0.86 ! NL 0.93 OV 0.96 PT 1.06 SC 0.93 ! ! ! Fit before self-cal, rms=0.069795Jy sigma=0.874901 ! Fit after self-cal, rms=0.069912Jy sigma=0.859144 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.8899 mas, bmaj=2.151 mas, bpa=-3.947 degrees ! Estimated noise=0.229189 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 (-1.8, 24.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00138691 Jy ! Component: 100 - total flux cleaned = 0.0015009 Jy ! Component: 150 - total flux cleaned = 0.00159496 Jy ! Component: 200 - total flux cleaned = 0.00161624 Jy ! Total flux subtracted in 200 components = 0.00161624 Jy ! Clean residual min=-0.001522 max=0.001645 Jy/beam ! Clean residual mean=-0.000001 rms=0.000342 Jy/beam ! Combined flux in latest and established models = 0.208447 Jy ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 33 components and 0.208447 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=0.069877Jy sigma=0.858611 ! Fit after self-cal, rms=0.069923Jy sigma=0.858477 ! 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=0.069923Jy sigma=0.858477 ! Fit after self-cal, rms=0.069940Jy sigma=0.857387 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8899 mas, bmaj=2.156 mas, bpa=-4.003 degrees ! Estimated noise=0.229223 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000110788 Jy ! Component: 100 - total flux cleaned = 0.000148831 Jy ! Component: 150 - total flux cleaned = 0.000164982 Jy ! Component: 200 - total flux cleaned = 0.000179911 Jy ! Total flux subtracted in 200 components = 0.000179911 Jy ! Clean residual min=-0.001494 max=0.001487 Jy/beam ! Clean residual mean=-0.000001 rms=0.000323 Jy/beam ! Combined flux in latest and established models = 0.208627 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 49 components and 0.208627 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=0.069931Jy sigma=0.857272 ! Fit after self-cal, rms=0.069932Jy sigma=0.857265 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 = 6.56129e-05 Jy ! Component: 100 - total flux cleaned = 8.00725e-05 Jy ! Component: 150 - total flux cleaned = 7.99658e-05 Jy ! Component: 200 - total flux cleaned = 7.97473e-05 Jy ! Total flux subtracted in 200 components = 7.97473e-05 Jy ! Clean residual min=-0.001488 max=0.001483 Jy/beam ! Clean residual mean=-0.000001 rms=0.000322 Jy/beam ! Combined flux in latest and established models = 0.208707 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 51 components and 0.208707 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=0.069926Jy sigma=0.857193 ! Fit after self-cal, rms=0.069926Jy sigma=0.857193 ! 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=0.069926Jy sigma=0.857193 ! Fit after self-cal, rms=0.070035Jy sigma=0.850389 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8889 mas, bmaj=2.151 mas, bpa=-3.875 degrees ! Estimated noise=0.229185 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000811331 Jy ! Component: 100 - total flux cleaned = -0.000971163 Jy ! Component: 150 - total flux cleaned = -0.00106351 Jy ! Component: 200 - total flux cleaned = -0.00115038 Jy ! Total flux subtracted in 200 components = -0.00115038 Jy ! Clean residual min=-0.000785 max=0.000866 Jy/beam ! Clean residual mean=-0.000001 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.207556 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 71 components and 0.207556 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=0.070025Jy sigma=0.850202 ! Fit after self-cal, rms=0.070043Jy sigma=0.850159 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 (-22.6, -44.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000643324 Jy ! Component: 100 - total flux cleaned = 0.000746484 Jy ! Component: 150 - total flux cleaned = 0.000746408 Jy ! Component: 200 - total flux cleaned = 0.000709128 Jy ! Total flux subtracted in 200 components = 0.000709128 Jy ! Clean residual min=-0.000790 max=0.000801 Jy/beam ! Clean residual mean=-0.000001 rms=0.000197 Jy/beam ! Combined flux in latest and established models = 0.208266 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 91 components and 0.208266 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=0.070032Jy sigma=0.849999 ! Fit after self-cal, rms=0.070031Jy sigma=0.849991 ! 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=0.070031Jy sigma=0.849991 ! Fit after self-cal, rms=0.070074Jy sigma=0.849945 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.22 mas, bmaj=4.596 mas, bpa=-4.765 degrees ! Estimated noise=0.27469 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000250328 Jy ! Component: 100 - total flux cleaned = -0.00019811 Jy ! Component: 150 - total flux cleaned = -0.00016869 Jy ! Component: 200 - total flux cleaned = -0.00017564 Jy ! Total flux subtracted in 200 components = -0.00017564 Jy ! Clean residual min=-0.000845 max=0.001044 Jy/beam ! Clean residual mean=-0.000002 rms=0.000248 Jy/beam ! Combined flux in latest and established models = 0.20809 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 108 components and 0.20809 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=0.070073Jy sigma=0.849925 ! Fit after self-cal, rms=0.070075Jy sigma=0.849917 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 = -4.04049e-05 Jy ! Component: 100 - total flux cleaned = -3.39838e-05 Jy ! Component: 150 - total flux cleaned = -5.8098e-05 Jy ! Component: 200 - total flux cleaned = -6.86657e-05 Jy ! Total flux subtracted in 200 components = -6.86657e-05 Jy ! Clean residual min=-0.000804 max=0.001050 Jy/beam ! Clean residual mean=-0.000002 rms=0.000245 Jy/beam ! Combined flux in latest and established models = 0.208021 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 113 components and 0.208021 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=0.070075Jy sigma=0.849922 ! Fit after self-cal, rms=0.070075Jy sigma=0.849921 ! Inverting map ! Added new window around map position (2.4, -12.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000990484 Jy ! Component: 100 - total flux cleaned = 0.00104411 Jy ! Component: 150 - total flux cleaned = 0.00104327 Jy ! Component: 200 - total flux cleaned = 0.00105815 Jy ! Total flux subtracted in 200 components = 0.00105815 Jy ! Clean residual min=-0.000742 max=0.000743 Jy/beam ! Clean residual mean=-0.000000 rms=0.000196 Jy/beam ! Combined flux in latest and established models = 0.209079 Jy ! Performing phase self-cal ! Adding 41 model components to the UV plane model. ! The established model now contains 154 components and 0.209079 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=0.070063Jy sigma=0.849729 ! Fit after self-cal, rms=0.070062Jy sigma=0.849720 ! 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=0.8886 mas, bmaj=2.151 mas, bpa=-3.878 degrees ! Estimated noise=0.229184 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8886 x 2.151 at -3.878 degrees (North through East) ! Clean map min=-0.00062073 max=0.19663 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=0.6464 mas, bmaj=1.665 mas, bpa=-4.562 degrees ! Estimated noise=0.508433 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.151118 Jy ! Component: 100 - total flux cleaned = 0.18607 Jy ! Component: 150 - total flux cleaned = 0.198795 Jy ! Component: 200 - total flux cleaned = 0.203885 Jy ! Total flux subtracted in 200 components = 0.203885 Jy ! Clean residual min=-0.001768 max=0.002055 Jy/beam ! Clean residual mean=0.000000 rms=0.000414 Jy/beam ! Combined flux in latest and established models = 0.203885 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 0.203885 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8886 mas, bmaj=2.151 mas, bpa=-3.878 degrees ! Estimated noise=0.229184 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 = 0.00221688 Jy ! Component: 100 - total flux cleaned = 0.00336411 Jy ! Component: 150 - total flux cleaned = 0.00411636 Jy ! Component: 200 - total flux cleaned = 0.00453561 Jy ! Total flux subtracted in 200 components = 0.00453561 Jy ! Clean residual min=-0.000758 max=0.000983 Jy/beam ! Clean residual mean=-0.000001 rms=0.000189 Jy/beam ! Combined flux in latest and established models = 0.20842 Jy ! Adding 22 model components to the UV plane model. ! The established model now contains 26 components and 0.20842 Jy ! Inverting map ! Added new window around map position (1.2, -24.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000675631 Jy ! Component: 100 - total flux cleaned = 0.000872506 Jy ! Component: 150 - total flux cleaned = 0.00107596 Jy ! Component: 200 - total flux cleaned = 0.00126499 Jy ! Total flux subtracted in 200 components = 0.00126499 Jy ! Clean residual min=-0.000744 max=0.000724 Jy/beam ! Clean residual mean=-0.000000 rms=0.000177 Jy/beam ! Combined flux in latest and established models = 0.209685 Jy ! Adding 37 model components to the UV plane model. ! The established model now contains 48 components and 0.209685 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=2.22 mas, bmaj=4.596 mas, bpa=-4.765 degrees ! Estimated noise=0.27469 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000213977 Jy ! Component: 100 - total flux cleaned = 0.000415378 Jy ! Component: 150 - total flux cleaned = 0.000606637 Jy ! Component: 200 - total flux cleaned = 0.000748099 Jy ! Total flux subtracted in 200 components = 0.000748099 Jy ! Clean residual min=-0.000819 max=0.000837 Jy/beam ! Clean residual mean=-0.000000 rms=0.000194 Jy/beam ! Combined flux in latest and established models = 0.210434 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) ! Added new window around map position (-50.2, 25). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000115581 Jy ! Component: 100 - total flux cleaned = -1.73111e-05 Jy ! Component: 150 - total flux cleaned = 4.80847e-05 Jy ! Component: 200 - total flux cleaned = 0.000120613 Jy ! Total flux subtracted in 200 components = 0.000120613 Jy ! Clean residual min=-0.000758 max=0.000690 Jy/beam ! Clean residual mean=-0.000000 rms=0.000176 Jy/beam ! Combined flux in latest and established models = 0.210554 Jy ! Adding 57 model components to the UV plane model. ! The established model now contains 104 components and 0.210554 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8886 mas, bmaj=2.151 mas, bpa=-3.878 degrees ! Estimated noise=0.229184 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -7.56332e-05 Jy ! Component: 100 - total flux cleaned = -0.000113501 Jy ! Component: 150 - total flux cleaned = -0.000112967 Jy ! Component: 200 - total flux cleaned = -9.59853e-05 Jy ! Total flux subtracted in 200 components = -9.59853e-05 Jy ! Clean residual min=-0.000685 max=0.000755 Jy/beam ! Clean residual mean=-0.000000 rms=0.000163 Jy/beam ! Combined flux in latest and established models = 0.210458 Jy selfcal ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 133 components and 0.210458 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=0.070035Jy sigma=0.849441 ! Fit after self-cal, rms=0.070032Jy sigma=0.849396 wmodel J1938-1749_X_map.mod ! Writing 133 model components to file: J1938-1749_X_map.mod wobs J1938-1749_X_uvs.fits ! Writing UV FITS file: J1938-1749_X_uvs.fits wwins J1938-1749_X_map.win ! wwins: Wrote 6 windows to J1938-1749_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 = 6.17191e-05 Jy ! Component: 100 - total flux cleaned = 0.000109757 Jy ! Component: 150 - total flux cleaned = 0.000132806 Jy ! Component: 200 - total flux cleaned = 0.0001437 Jy ! Component: 250 - total flux cleaned = 0.000165319 Jy ! Component: 300 - total flux cleaned = 0.000186648 Jy ! Component: 350 - total flux cleaned = 0.000176559 Jy ! Component: 400 - total flux cleaned = 0.000217784 Jy ! Component: 450 - total flux cleaned = 0.000217781 Jy ! Component: 500 - total flux cleaned = 0.000207814 Jy ! Component: 550 - total flux cleaned = 0.000207802 Jy ! Component: 600 - total flux cleaned = 0.000217378 Jy ! Component: 650 - total flux cleaned = 0.000198337 Jy ! Component: 700 - total flux cleaned = 0.000217314 Jy ! Component: 750 - total flux cleaned = 0.000226636 Jy ! Component: 800 - total flux cleaned = 0.000254633 Jy ! Component: 850 - total flux cleaned = 0.000254612 Jy ! Component: 900 - total flux cleaned = 0.000254582 Jy ! Component: 950 - total flux cleaned = 0.000209347 Jy ! Component: 1000 - total flux cleaned = 0.000254166 Jy ! Component: 1050 - total flux cleaned = 0.000182935 Jy ! Component: 1100 - total flux cleaned = 0.000182894 Jy ! Component: 1150 - total flux cleaned = 0.000165493 Jy ! Component: 1200 - total flux cleaned = 0.000182694 Jy ! Component: 1250 - total flux cleaned = 0.000130945 Jy ! Component: 1300 - total flux cleaned = 0.000148152 Jy ! Component: 1350 - total flux cleaned = 0.000131082 Jy ! Component: 1400 - total flux cleaned = 0.000122667 Jy ! Component: 1450 - total flux cleaned = 0.000114398 Jy ! Component: 1500 - total flux cleaned = 0.000114389 Jy ! Component: 1550 - total flux cleaned = 0.000106137 Jy ! Component: 1600 - total flux cleaned = 8.97618e-05 Jy ! Component: 1650 - total flux cleaned = 7.35196e-05 Jy ! Component: 1700 - total flux cleaned = 9.78993e-05 Jy ! Component: 1750 - total flux cleaned = 0.000105975 Jy ! Component: 1800 - total flux cleaned = 8.18884e-05 Jy ! Component: 1850 - total flux cleaned = 7.39655e-05 Jy ! Component: 1900 - total flux cleaned = 6.59925e-05 Jy ! Component: 1950 - total flux cleaned = 4.23991e-05 Jy ! Component: 2000 - total flux cleaned = 4.24076e-05 Jy ! Component: 2050 - total flux cleaned = 3.45846e-05 Jy ! Component: 2100 - total flux cleaned = 1.90622e-05 Jy ! Component: 2150 - total flux cleaned = 3.71405e-06 Jy ! Component: 2200 - total flux cleaned = -1.15371e-05 Jy ! Component: 2250 - total flux cleaned = -1.90705e-05 Jy ! Component: 2300 - total flux cleaned = -2.66679e-05 Jy ! Component: 2350 - total flux cleaned = -3.42904e-05 Jy ! Component: 2400 - total flux cleaned = -4.17654e-05 Jy ! Component: 2450 - total flux cleaned = -4.92188e-05 Jy ! Component: 2500 - total flux cleaned = -4.92513e-05 Jy ! Component: 2550 - total flux cleaned = -7.14235e-05 Jy ! Component: 2600 - total flux cleaned = -0.000100873 Jy ! Component: 2650 - total flux cleaned = -9.35183e-05 Jy ! Component: 2700 - total flux cleaned = -0.000108101 Jy ! Component: 2750 - total flux cleaned = -0.000100823 Jy ! Component: 2800 - total flux cleaned = -0.000144166 Jy ! Component: 2850 - total flux cleaned = -0.000122597 Jy ! Component: 2900 - total flux cleaned = -0.000136911 Jy ! Component: 2950 - total flux cleaned = -0.00014405 Jy ! Component: 3000 - total flux cleaned = -0.00014401 Jy ! Component: 3050 - total flux cleaned = -0.000115742 Jy ! Component: 3100 - total flux cleaned = -0.000122741 Jy ! Component: 3150 - total flux cleaned = -0.000115763 Jy ! Component: 3200 - total flux cleaned = -0.000122781 Jy ! Component: 3250 - total flux cleaned = -0.000122862 Jy ! Component: 3300 - total flux cleaned = -0.000115885 Jy ! Component: 3350 - total flux cleaned = -0.000136577 Jy ! Component: 3400 - total flux cleaned = -0.000129727 Jy ! Component: 3450 - total flux cleaned = -0.000136511 Jy ! Component: 3500 - total flux cleaned = -0.000116044 Jy ! Component: 3550 - total flux cleaned = -0.000143252 Jy ! Component: 3600 - total flux cleaned = -0.000150055 Jy ! Component: 3650 - total flux cleaned = -0.00012309 Jy ! Component: 3700 - total flux cleaned = -0.00014995 Jy ! Component: 3750 - total flux cleaned = -0.000149986 Jy ! Component: 3800 - total flux cleaned = -0.000129974 Jy ! Component: 3850 - total flux cleaned = -0.000149916 Jy ! Component: 3900 - total flux cleaned = -0.000163173 Jy ! Component: 3950 - total flux cleaned = -0.000163133 Jy ! Component: 4000 - total flux cleaned = -0.000163104 Jy ! Component: 4050 - total flux cleaned = -0.00016313 Jy ! Total flux subtracted in 4096 components = -0.000150085 Jy ! Clean residual min=-0.000415 max=0.000429 Jy/beam ! Clean residual mean=0.000000 rms=0.000113 Jy/beam ! Combined flux in latest and established models = 0.210308 Jy keep ! Adding 308 model components to the UV plane model. ! The established model now contains 441 components and 0.210308 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1938-1749_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8886 x 2.151 at -3.878 degrees (North through East) ! Clean map min=-0.00065672 max=0.19664 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1938-1749_X_map.fits wmodel /vlbi/bp222/maps//J1938-1749_X_map.mod ! Writing 441 model components to file: /vlbi/bp222/maps//J1938-1749_X_map.mod wobs /vlbi/bp222/maps//J1938-1749_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1938-1749_X_uvs.fits wwins /vlbi/bp222/maps//J1938-1749_X_map.win ! wwins: Wrote 7 windows to /vlbi/bp222/maps//J1938-1749_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.196637 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000112794 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.172084 0.172084 0.344167 0.688335 1.37667 2.75334 5.50668 11.0134 22.0267 44.0534 88.1068 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= 1743.34 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1938-1749_X_dfm.log closed on Thu Sep 27 11:33:13 2018