! Started logfile: /vlbi/uf001/uva//J1755+1820_X_dfm.log on Mon Jan 14 04:24:59 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//J1755+1820_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1755+1820_X_uva.fits ! AN table 1: 117 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.871035 visibilities/baseline/integration-bin. ! Found source: J1755+1820 ! ! 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 55032 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 J1755+1820_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 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 78 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.004034Jy sigma=25.424279 ! Fit after self-cal, rms=0.933945Jy sigma=23.611981 ! 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=0.7062 mas, bmaj=1.573 mas, bpa=-7.814 degrees ! Estimated noise=0.250989 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 = 0.0474179 Jy ! Component: 100 - total flux cleaned = 0.0642341 Jy ! Total flux subtracted in 100 components = 0.0642341 Jy ! Clean residual min=-0.004658 max=0.014109 Jy/beam ! Clean residual mean=0.000006 rms=0.001093 Jy/beam ! Combined flux in latest and established models = 0.0642341 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 8 components and 0.0642341 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=0.064541Jy sigma=1.482664 ! Fit after self-cal, rms=0.064097Jy sigma=1.471364 ! Inverting map ! Added new window around map position (1.6, 2.4). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0132947 Jy ! Component: 100 - total flux cleaned = 0.0215209 Jy ! Total flux subtracted in 100 components = 0.0215209 Jy ! Clean residual min=-0.003146 max=0.004471 Jy/beam ! Clean residual mean=0.000004 rms=0.000683 Jy/beam ! Combined flux in latest and established models = 0.085755 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 14 components and 0.085755 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=0.060320Jy sigma=1.354117 ! Fit after self-cal, rms=0.060092Jy sigma=1.348096 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00633812 Jy ! Component: 100 - total flux cleaned = 0.0107337 Jy ! Total flux subtracted in 100 components = 0.0107337 Jy ! Clean residual min=-0.002602 max=0.002993 Jy/beam ! Clean residual mean=0.000002 rms=0.000529 Jy/beam ! Combined flux in latest and established models = 0.0964887 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 21 components and 0.0964887 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=0.059040Jy sigma=1.313874 ! Fit after self-cal, rms=0.059008Jy sigma=1.312890 ! 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=0.9111 mas, bmaj=1.877 mas, bpa=-4.963 degrees ! Estimated noise=0.122615 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 (2.4, 3.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00601281 Jy ! Component: 100 - total flux cleaned = 0.0100058 Jy ! Component: 150 - total flux cleaned = 0.01286 Jy ! Component: 200 - total flux cleaned = 0.015012 Jy ! Total flux subtracted in 200 components = 0.015012 Jy ! Clean residual min=-0.001683 max=0.003602 Jy/beam ! Clean residual mean=0.000002 rms=0.000480 Jy/beam ! Combined flux in latest and established models = 0.111501 Jy ! Performing phase self-cal ! Adding 45 model components to the UV plane model. ! The established model now contains 59 components and 0.111501 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=0.058336Jy sigma=1.290273 ! Fit after self-cal, rms=0.058320Jy sigma=1.289214 ! Inverting map ! Added new window around map position (-1.4, -2.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00311245 Jy ! Component: 100 - total flux cleaned = 0.00517043 Jy ! Component: 150 - total flux cleaned = 0.00680378 Jy ! Component: 200 - total flux cleaned = 0.00813419 Jy ! Total flux subtracted in 200 components = 0.00813419 Jy ! Clean residual min=-0.001385 max=0.001460 Jy/beam ! Clean residual mean=-0.000000 rms=0.000356 Jy/beam ! Combined flux in latest and established models = 0.119635 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 96 components and 0.119635 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=0.058127Jy sigma=1.282709 ! Fit after self-cal, rms=0.058120Jy sigma=1.282528 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9111 x 1.877 at -4.963 degrees (North through East) ! Clean map min=-0.0012879 max=0.06598 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.97 KP 1.04 ! LA 1.02 MK 1.11 NL 1.02 OV 0.95 ! PT 0.91 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.01 HN 1.02 KP 1.02 ! LA 1.02 MK 1.07 NL 0.98 OV 0.95 ! PT 0.91 SC 0.98 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.01 HN 0.90 KP 1.04 ! LA 0.99 MK 0.98 NL 0.98 OV 0.93 ! PT 0.91 SC 0.96 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 FD 1.00 HN 0.95 KP 1.06 ! LA 1.00 MK 0.96 NL 1.01 OV 0.93 ! PT 0.92 SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 FD 1.00 HN 0.99 KP 1.05 ! LA 1.00 MK 1.02 NL 0.96 OV 0.92 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.02 HN 0.97 KP 1.06 ! LA 1.00 MK 1.06 NL 1.00 OV 0.94 ! PT 0.92 SC 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.02 HN 0.98 KP 1.06 ! LA 1.00 MK 0.98 NL 0.98 OV 0.94 ! PT 0.93 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.99 HN 0.93 KP 1.05 ! LA 0.98 MK 0.94 NL 1.00 OV 0.95 ! PT 0.93 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 1.01 HN 0.97 KP 1.06 ! LA 1.02 MK 0.97 NL 0.96 OV 0.95 ! PT 0.92 SC 0.94 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 0.99 HN 0.92 KP 1.05 ! LA 1.03 MK 1.02 NL 1.01 OV 0.94 ! PT 0.93 SC 0.94 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.00 HN 0.94 KP 1.03 ! LA 1.02 MK 0.93 NL 0.99 OV 0.94 ! PT 0.94 SC 0.98 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.01 HN 0.89 KP 1.05 ! LA 1.05 MK 0.95 NL 1.00 OV 0.96 ! PT 0.95 SC 0.95 ! ! ! Fit before self-cal, rms=0.058120Jy sigma=1.282528 ! Fit after self-cal, rms=0.056321Jy sigma=1.274769 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9054 mas, bmaj=1.886 mas, bpa=-4.993 degrees ! Estimated noise=0.120765 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 = 0.00088304 Jy ! Component: 100 - total flux cleaned = 0.000884555 Jy ! Component: 150 - total flux cleaned = 0.000881761 Jy ! Component: 200 - total flux cleaned = 0.000881571 Jy ! Total flux subtracted in 200 components = 0.000881571 Jy ! Clean residual min=-0.000756 max=0.000909 Jy/beam ! Clean residual mean=-0.000000 rms=0.000190 Jy/beam ! Combined flux in latest and established models = 0.120516 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 119 components and 0.120516 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=0.056290Jy sigma=1.273960 ! Fit after self-cal, rms=0.056315Jy sigma=1.273755 ! 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=0.056315Jy sigma=1.273755 ! Fit after self-cal, rms=0.056353Jy sigma=1.271756 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9054 mas, bmaj=1.883 mas, bpa=-4.988 degrees ! Estimated noise=0.120798 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000624238 Jy ! Component: 100 - total flux cleaned = 0.000785242 Jy ! Component: 150 - total flux cleaned = 0.000875172 Jy ! Component: 200 - total flux cleaned = 0.000953987 Jy ! Total flux subtracted in 200 components = 0.000953987 Jy ! Clean residual min=-0.000675 max=0.000783 Jy/beam ! Clean residual mean=-0.000000 rms=0.000161 Jy/beam ! Combined flux in latest and established models = 0.12147 Jy selfcal ! Performing phase self-cal ! Adding 23 model components to the UV plane model. ! The established model now contains 126 components and 0.12147 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=0.056341Jy sigma=1.271476 ! Fit after self-cal, rms=0.056347Jy sigma=1.271425 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 (-4, -4.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00080443 Jy ! Component: 100 - total flux cleaned = 0.00129562 Jy ! Component: 150 - total flux cleaned = 0.00158936 Jy ! Component: 200 - total flux cleaned = 0.00176053 Jy ! Total flux subtracted in 200 components = 0.00176053 Jy ! Clean residual min=-0.000654 max=0.000644 Jy/beam ! Clean residual mean=-0.000000 rms=0.000148 Jy/beam ! Combined flux in latest and established models = 0.123231 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 149 components and 0.123231 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=0.056333Jy sigma=1.271032 ! Fit after self-cal, rms=0.056334Jy sigma=1.271009 ! 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=0.056334Jy sigma=1.271009 ! Fit after self-cal, rms=0.056283Jy sigma=1.270887 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.905 mas, bmaj=1.88 mas, bpa=-4.919 degrees ! Estimated noise=0.120677 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000387218 Jy ! Component: 100 - total flux cleaned = 0.000572367 Jy ! Component: 150 - total flux cleaned = 0.000678435 Jy ! Component: 200 - total flux cleaned = 0.000743336 Jy ! Total flux subtracted in 200 components = 0.000743336 Jy ! Clean residual min=-0.000585 max=0.000603 Jy/beam ! Clean residual mean=-0.000000 rms=0.000141 Jy/beam ! Combined flux in latest and established models = 0.123974 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 154 components and 0.123974 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=0.056277Jy sigma=1.270754 ! Fit after self-cal, rms=0.056279Jy sigma=1.270745 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 (-29.8, -11.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00023742 Jy ! Component: 100 - total flux cleaned = 0.000309645 Jy ! Component: 150 - total flux cleaned = 0.000394825 Jy ! Component: 200 - total flux cleaned = 0.000463686 Jy ! Total flux subtracted in 200 components = 0.000463686 Jy ! Clean residual min=-0.000593 max=0.000599 Jy/beam ! Clean residual mean=-0.000000 rms=0.000139 Jy/beam ! Combined flux in latest and established models = 0.124438 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 164 components and 0.124438 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=0.056271Jy sigma=1.270604 ! Fit after self-cal, rms=0.056272Jy sigma=1.270587 ! Inverting map ! Added new window around map position (5.4, 7.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000598934 Jy ! Component: 100 - total flux cleaned = 0.000865096 Jy ! Component: 150 - total flux cleaned = 0.00101294 Jy ! Component: 200 - total flux cleaned = 0.00107587 Jy ! Total flux subtracted in 200 components = 0.00107587 Jy ! Clean residual min=-0.000549 max=0.000613 Jy/beam ! Clean residual mean=-0.000000 rms=0.000131 Jy/beam ! Combined flux in latest and established models = 0.125514 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 182 components and 0.125514 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=0.056263Jy sigma=1.270382 ! Fit after self-cal, rms=0.056263Jy sigma=1.270376 ! Inverting map ! Added new window around map position (33.6, -13.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000521254 Jy ! Component: 100 - total flux cleaned = 0.000722187 Jy ! Component: 150 - total flux cleaned = 0.000884187 Jy ! Component: 200 - total flux cleaned = 0.00101152 Jy ! Total flux subtracted in 200 components = 0.00101152 Jy ! Clean residual min=-0.000516 max=0.000507 Jy/beam ! Clean residual mean=-0.000000 rms=0.000126 Jy/beam ! Combined flux in latest and established models = 0.126525 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 194 components and 0.126525 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=0.056254Jy sigma=1.270213 ! Fit after self-cal, rms=0.056255Jy sigma=1.270199 ! 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=0.056255Jy sigma=1.270199 ! Fit after self-cal, rms=0.056048Jy sigma=1.270160 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.115 mas, bmaj=2.813 mas, bpa=-0.4161 degrees ! Estimated noise=0.150026 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000169319 Jy ! Component: 100 - total flux cleaned = 0.000341985 Jy ! Component: 150 - total flux cleaned = 0.000502806 Jy ! Component: 200 - total flux cleaned = 0.000628156 Jy ! Total flux subtracted in 200 components = 0.000628156 Jy ! Clean residual min=-0.000555 max=0.000506 Jy/beam ! Clean residual mean=0.000000 rms=0.000135 Jy/beam ! Combined flux in latest and established models = 0.127154 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 218 components and 0.127154 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=0.056046Jy sigma=1.270099 ! Fit after self-cal, rms=0.056045Jy sigma=1.270092 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 = 5.62137e-05 Jy ! Component: 100 - total flux cleaned = 0.000133565 Jy ! Component: 150 - total flux cleaned = 0.000220194 Jy ! Component: 200 - total flux cleaned = 0.000300212 Jy ! Total flux subtracted in 200 components = 0.000300212 Jy ! Clean residual min=-0.000538 max=0.000497 Jy/beam ! Clean residual mean=0.000000 rms=0.000131 Jy/beam ! Combined flux in latest and established models = 0.127454 Jy ! Performing phase self-cal ! Adding 28 model components to the UV plane model. ! The established model now contains 228 components and 0.127454 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=0.056044Jy sigma=1.270069 ! Fit after self-cal, rms=0.056044Jy sigma=1.270066 ! 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=0.9043 mas, bmaj=1.879 mas, bpa=-4.912 degrees ! Estimated noise=0.120482 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9043 x 1.879 at -4.912 degrees (North through East) ! Clean map min=-0.00048698 max=0.064742 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=0.7028 mas, bmaj=1.575 mas, bpa=-7.623 degrees ! Estimated noise=0.246621 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0467184 Jy ! Component: 100 - total flux cleaned = 0.065621 Jy ! Component: 150 - total flux cleaned = 0.0780145 Jy ! Component: 200 - total flux cleaned = 0.0865722 Jy ! Total flux subtracted in 200 components = 0.0865722 Jy ! Clean residual min=-0.002893 max=0.004778 Jy/beam ! Clean residual mean=0.000004 rms=0.000614 Jy/beam ! Combined flux in latest and established models = 0.0865722 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 17 model components to the UV plane model. ! The established model now contains 17 components and 0.0865722 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9043 mas, bmaj=1.879 mas, bpa=-4.912 degrees ! Estimated noise=0.120482 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 = 0.00942721 Jy ! Component: 100 - total flux cleaned = 0.0156216 Jy ! Component: 150 - total flux cleaned = 0.0199732 Jy ! Component: 200 - total flux cleaned = 0.0231378 Jy ! Total flux subtracted in 200 components = 0.0231378 Jy ! Clean residual min=-0.001128 max=0.001822 Jy/beam ! Clean residual mean=0.000003 rms=0.000321 Jy/beam ! Combined flux in latest and established models = 0.10971 Jy ! Adding 46 model components to the UV plane model. ! The established model now contains 52 components and 0.10971 Jy ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00240105 Jy ! Component: 100 - total flux cleaned = 0.00428714 Jy ! Component: 150 - total flux cleaned = 0.00582336 Jy ! Component: 200 - total flux cleaned = 0.00710885 Jy ! Total flux subtracted in 200 components = 0.00710885 Jy ! Clean residual min=-0.000777 max=0.000826 Jy/beam ! Clean residual mean=0.000001 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.116819 Jy ! Adding 41 model components to the UV plane model. ! The established model now contains 81 components and 0.116819 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=2.115 mas, bmaj=2.813 mas, bpa=-0.4161 degrees ! Estimated noise=0.150026 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00181907 Jy ! Component: 100 - total flux cleaned = 0.00311147 Jy ! Component: 150 - total flux cleaned = 0.00416113 Jy ! Component: 200 - total flux cleaned = 0.00503934 Jy ! Total flux subtracted in 200 components = 0.00503934 Jy ! Clean residual min=-0.000740 max=0.000842 Jy/beam ! Clean residual mean=0.000001 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.121858 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 = 0.000742184 Jy ! Component: 100 - total flux cleaned = 0.00127845 Jy ! Component: 150 - total flux cleaned = 0.00177332 Jy ! Component: 200 - total flux cleaned = 0.00215598 Jy ! Total flux subtracted in 200 components = 0.00215598 Jy ! Clean residual min=-0.000634 max=0.000670 Jy/beam ! Clean residual mean=0.000000 rms=0.000164 Jy/beam ! Combined flux in latest and established models = 0.124014 Jy ! Adding 104 model components to the UV plane model. ! The established model now contains 173 components and 0.124014 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9043 mas, bmaj=1.879 mas, bpa=-4.912 degrees ! Estimated noise=0.120482 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000652147 Jy ! Component: 100 - total flux cleaned = 0.00101912 Jy ! Component: 150 - total flux cleaned = 0.00133578 Jy ! Component: 200 - total flux cleaned = 0.00162911 Jy ! Total flux subtracted in 200 components = 0.00162911 Jy ! Clean residual min=-0.000555 max=0.000506 Jy/beam ! Clean residual mean=0.000000 rms=0.000134 Jy/beam ! Combined flux in latest and established models = 0.125643 Jy selfcal ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 194 components and 0.125643 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=0.056066Jy sigma=1.270642 ! Fit after self-cal, rms=0.056062Jy sigma=1.270576 wmodel J1755+1820_X_map.mod ! Writing 194 model components to file: J1755+1820_X_map.mod wobs J1755+1820_X_uvs.fits ! Writing UV FITS file: J1755+1820_X_uvs.fits wwins J1755+1820_X_map.win ! wwins: Wrote 8 windows to J1755+1820_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 = -0.000141337 Jy ! Component: 100 - total flux cleaned = -0.00021775 Jy ! Component: 150 - total flux cleaned = -0.000281888 Jy ! Component: 200 - total flux cleaned = -0.000379441 Jy ! Component: 250 - total flux cleaned = -0.000448636 Jy ! Component: 300 - total flux cleaned = -0.000533267 Jy ! Component: 350 - total flux cleaned = -0.000583152 Jy ! Component: 400 - total flux cleaned = -0.000599578 Jy ! Component: 450 - total flux cleaned = -0.000631788 Jy ! Component: 500 - total flux cleaned = -0.00064765 Jy ! Component: 550 - total flux cleaned = -0.000702463 Jy ! Component: 600 - total flux cleaned = -0.000756668 Jy ! Component: 650 - total flux cleaned = -0.000794862 Jy ! Component: 700 - total flux cleaned = -0.000847979 Jy ! Component: 750 - total flux cleaned = -0.000870421 Jy ! Component: 800 - total flux cleaned = -0.000944644 Jy ! Component: 850 - total flux cleaned = -0.000966749 Jy ! Component: 900 - total flux cleaned = -0.00100309 Jy ! Component: 950 - total flux cleaned = -0.0010465 Jy ! Component: 1000 - total flux cleaned = -0.00110368 Jy ! Component: 1050 - total flux cleaned = -0.00116735 Jy ! Component: 1100 - total flux cleaned = -0.00122348 Jy ! Component: 1150 - total flux cleaned = -0.00123042 Jy ! Component: 1200 - total flux cleaned = -0.00128562 Jy ! Component: 1250 - total flux cleaned = -0.00133349 Jy ! Component: 1300 - total flux cleaned = -0.00136067 Jy ! Component: 1350 - total flux cleaned = -0.00142123 Jy ! Component: 1400 - total flux cleaned = -0.00146134 Jy ! Component: 1450 - total flux cleaned = -0.0014613 Jy ! Component: 1500 - total flux cleaned = -0.00152057 Jy ! Component: 1550 - total flux cleaned = -0.00156628 Jy ! Component: 1600 - total flux cleaned = -0.00157279 Jy ! Component: 1650 - total flux cleaned = -0.00164365 Jy ! Component: 1700 - total flux cleaned = -0.00166924 Jy ! Component: 1750 - total flux cleaned = -0.0017073 Jy ! Component: 1800 - total flux cleaned = -0.00172619 Jy ! Component: 1850 - total flux cleaned = -0.00178256 Jy ! Component: 1900 - total flux cleaned = -0.00181371 Jy ! Component: 1950 - total flux cleaned = -0.00185691 Jy ! Component: 2000 - total flux cleaned = -0.00189374 Jy ! Component: 2050 - total flux cleaned = -0.00193031 Jy ! Component: 2100 - total flux cleaned = -0.00197273 Jy ! Component: 2150 - total flux cleaned = -0.00200281 Jy ! Component: 2200 - total flux cleaned = -0.00201474 Jy ! Component: 2250 - total flux cleaned = -0.0020445 Jy ! Component: 2300 - total flux cleaned = -0.00208002 Jy ! Component: 2350 - total flux cleaned = -0.00212111 Jy ! Component: 2400 - total flux cleaned = -0.00217945 Jy ! Component: 2450 - total flux cleaned = -0.00218526 Jy ! Component: 2500 - total flux cleaned = -0.00220838 Jy ! Component: 2550 - total flux cleaned = -0.0022313 Jy ! Component: 2600 - total flux cleaned = -0.00227686 Jy ! Component: 2650 - total flux cleaned = -0.00228823 Jy ! Component: 2700 - total flux cleaned = -0.00231641 Jy ! Component: 2750 - total flux cleaned = -0.00237805 Jy ! Component: 2800 - total flux cleaned = -0.0023836 Jy ! Component: 2850 - total flux cleaned = -0.0024335 Jy ! Component: 2900 - total flux cleaned = -0.00246105 Jy ! Component: 2950 - total flux cleaned = -0.00249939 Jy ! Component: 3000 - total flux cleaned = -0.00251029 Jy ! Component: 3050 - total flux cleaned = -0.00253747 Jy ! Component: 3100 - total flux cleaned = -0.00256987 Jy ! Component: 3150 - total flux cleaned = -0.00260214 Jy ! Component: 3200 - total flux cleaned = -0.00263425 Jy ! Component: 3250 - total flux cleaned = -0.00265552 Jy ! Component: 3300 - total flux cleaned = -0.00270311 Jy ! Component: 3350 - total flux cleaned = -0.00275581 Jy ! Component: 3400 - total flux cleaned = -0.00277153 Jy ! Component: 3450 - total flux cleaned = -0.00280806 Jy ! Component: 3500 - total flux cleaned = -0.00284444 Jy ! Component: 3550 - total flux cleaned = -0.00284445 Jy ! Component: 3600 - total flux cleaned = -0.00288052 Jy ! Component: 3650 - total flux cleaned = -0.00292151 Jy ! Component: 3700 - total flux cleaned = -0.00294702 Jy ! Component: 3750 - total flux cleaned = -0.00297749 Jy ! Component: 3800 - total flux cleaned = -0.0030078 Jy ! Component: 3850 - total flux cleaned = -0.00303301 Jy ! Component: 3900 - total flux cleaned = -0.00304803 Jy ! Component: 3950 - total flux cleaned = -0.00307798 Jy ! Component: 4000 - total flux cleaned = -0.00308795 Jy ! Component: 4050 - total flux cleaned = -0.00313748 Jy ! Total flux subtracted in 4096 components = -0.00315721 Jy ! Clean residual min=-0.000296 max=0.000289 Jy/beam ! Clean residual mean=0.000000 rms=0.000084 Jy/beam ! Combined flux in latest and established models = 0.122486 Jy keep ! Adding 314 model components to the UV plane model. ! The established model now contains 508 components and 0.122486 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1755+1820_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9043 x 1.879 at -4.912 degrees (North through East) ! Clean map min=-0.00044571 max=0.064318 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1755+1820_X_map.fits wmodel /vlbi/uf001/uva//J1755+1820_X_map.mod ! Writing 508 model components to file: /vlbi/uf001/uva//J1755+1820_X_map.mod wobs /vlbi/uf001/uva//J1755+1820_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1755+1820_X_uvs.fits wwins /vlbi/uf001/uva//J1755+1820_X_map.win ! wwins: Wrote 9 windows to /vlbi/uf001/uva//J1755+1820_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.064318 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 8.39069e-05 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.391369 0.391369 0.782738 1.56548 3.13095 6.2619 12.5238 25.0476 50.0952 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0002 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.064 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 766.54 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1755+1820_X_dfm.log closed on Mon Jan 14 04:25:07 2019