! Started logfile: /vlbi/uf001/uva//J0437+2940_X_dfm.log on Sun Jan 13 22:15:15 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//J0437+2940_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0437+2940_X_uva.fits ! AN table 1: 57 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.989084 visibilities/baseline/integration-bin. ! Found source: J0437+2940 ! ! 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 30444 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 J0437+2940_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 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 30 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.001847Jy sigma=23.901852 ! Fit after self-cal, rms=0.932148Jy sigma=22.214815 ! 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=0.7048 mas, bmaj=1.434 mas, bpa=-1.055 degrees ! Estimated noise=0.320344 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 = 0.0493224 Jy ! Component: 100 - total flux cleaned = 0.0638251 Jy ! Total flux subtracted in 100 components = 0.0638251 Jy ! Clean residual min=-0.003761 max=0.008478 Jy/beam ! Clean residual mean=0.000011 rms=0.000894 Jy/beam ! Combined flux in latest and established models = 0.0638251 Jy ! Performing phase self-cal ! Adding 4 model components to the UV plane model. ! The established model now contains 4 components and 0.0638251 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=0.063128Jy sigma=1.430577 ! Fit after self-cal, rms=0.062431Jy sigma=1.412704 ! Inverting map ! Added new window around map position (1.2, -0.2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00963071 Jy ! Component: 100 - total flux cleaned = 0.0155096 Jy ! Total flux subtracted in 100 components = 0.0155096 Jy ! Clean residual min=-0.003213 max=0.003079 Jy/beam ! Clean residual mean=0.000007 rms=0.000701 Jy/beam ! Combined flux in latest and established models = 0.0793347 Jy ! Performing phase self-cal ! Adding 8 model components to the UV plane model. ! The established model now contains 10 components and 0.0793347 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=0.060368Jy sigma=1.358334 ! Fit after self-cal, rms=0.060289Jy sigma=1.356219 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00461489 Jy ! Component: 100 - total flux cleaned = 0.00751992 Jy ! Total flux subtracted in 100 components = 0.00751992 Jy ! Clean residual min=-0.002680 max=0.002580 Jy/beam ! Clean residual mean=0.000006 rms=0.000644 Jy/beam ! Combined flux in latest and established models = 0.0868546 Jy ! Performing phase self-cal ! Adding 13 model components to the UV plane model. ! The established model now contains 18 components and 0.0868546 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=0.059824Jy sigma=1.343398 ! Fit after self-cal, rms=0.059803Jy sigma=1.342814 ! 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=0.9076 mas, bmaj=1.719 mas, bpa=0.2663 degrees ! Estimated noise=0.178603 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 = 0.00355235 Jy ! Component: 100 - total flux cleaned = 0.00560988 Jy ! Component: 150 - total flux cleaned = 0.00707916 Jy ! Component: 200 - total flux cleaned = 0.00815743 Jy ! Total flux subtracted in 200 components = 0.00815743 Jy ! Clean residual min=-0.002560 max=0.002461 Jy/beam ! Clean residual mean=0.000001 rms=0.000565 Jy/beam ! Combined flux in latest and established models = 0.095012 Jy ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 36 components and 0.095012 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=0.059597Jy sigma=1.336493 ! Fit after self-cal, rms=0.059579Jy sigma=1.335980 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9076 x 1.719 at 0.2663 degrees (North through East) ! Clean map min=-0.0023399 max=0.068153 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.02 HN 1.03 KP 1.10 ! LA 0.87 MK 1.00 NL 1.16 OV 0.95 ! PT 0.99 SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.14 FD 1.04 HN 0.99 KP 1.01 ! LA 0.89 MK 1.05 NL 1.14 OV 0.94 ! PT 1.00 SC 0.95 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.12 FD 1.03 HN 0.98 KP 1.04 ! LA 0.86 MK 1.04 NL 1.15 OV 0.94 ! PT 1.03 SC 0.90 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.16 FD 0.99 HN 0.98 KP 1.03 ! LA 0.84 MK 1.04 NL 1.10 OV 0.91 ! PT 1.03 SC 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.11 FD 1.04 HN 0.98 KP 1.02 ! LA 0.86 MK 1.00 NL 1.12 OV 0.94 ! PT 1.06 SC 1.01 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.13 FD 0.97 HN 0.93 KP 1.10 ! LA 0.85 MK 1.03 NL 1.19 OV 0.90 ! PT 1.01 SC 1.03 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.00 HN 0.96 KP 1.03 ! LA 0.86 MK 1.01 NL 1.10 OV 0.95 ! PT 1.01 SC 0.94 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 FD 1.01 HN 1.00 KP 1.06 ! LA 0.87 MK 0.95 NL 1.12 OV 0.90 ! PT 1.07 SC 0.96 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 1.03 HN 0.95 KP 1.10 ! LA 0.86 MK 0.98 NL 1.14 OV 0.92 ! PT 0.99 SC 0.99 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 FD 1.00 HN 0.95 KP 1.06 ! LA 0.79 MK 0.97 NL 1.13 OV 0.93 ! PT 1.01 SC 0.93 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 FD 0.98 HN 0.95 KP 0.99 ! LA 0.84 MK 0.93 NL 1.16 OV 0.94 ! PT 1.04 SC 0.91 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.00 HN 0.98 KP 1.02 ! LA 0.87 MK 0.93 NL 1.18 OV 0.92 ! PT 0.98 SC 0.88 ! ! ! Fit before self-cal, rms=0.059579Jy sigma=1.335980 ! Fit after self-cal, rms=0.057848Jy sigma=1.318215 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9 mas, bmaj=1.726 mas, bpa=0.689 degrees ! Estimated noise=0.176856 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 = 9.85964e-05 Jy ! Component: 100 - total flux cleaned = -0.000159987 Jy ! Component: 150 - total flux cleaned = -0.000388687 Jy ! Component: 200 - total flux cleaned = -0.000541853 Jy ! Total flux subtracted in 200 components = -0.000541853 Jy ! Clean residual min=-0.001362 max=0.001427 Jy/beam ! Clean residual mean=-0.000002 rms=0.000349 Jy/beam ! Combined flux in latest and established models = 0.0944702 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 47 components and 0.0944702 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=0.057821Jy sigma=1.317583 ! Fit after self-cal, rms=0.057922Jy sigma=1.316810 ! 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=0.057922Jy sigma=1.316810 ! Fit after self-cal, rms=0.058649Jy sigma=1.309015 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8988 mas, bmaj=1.722 mas, bpa=0.5766 degrees ! Estimated noise=0.176926 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.38939e-05 Jy ! Component: 100 - total flux cleaned = -1.0695e-05 Jy ! Component: 150 - total flux cleaned = -9.08197e-05 Jy ! Component: 200 - total flux cleaned = -0.000158649 Jy ! Total flux subtracted in 200 components = -0.000158649 Jy ! Clean residual min=-0.001087 max=0.001157 Jy/beam ! Clean residual mean=-0.000001 rms=0.000235 Jy/beam ! Combined flux in latest and established models = 0.0943115 Jy selfcal ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 53 components and 0.0943115 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=0.058640Jy sigma=1.308802 ! Fit after self-cal, rms=0.058685Jy sigma=1.308563 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 (7.8, -1.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00107378 Jy ! Component: 100 - total flux cleaned = 0.0015423 Jy ! Component: 150 - total flux cleaned = 0.00171981 Jy ! Component: 200 - total flux cleaned = 0.00176482 Jy ! Total flux subtracted in 200 components = 0.00176482 Jy ! Clean residual min=-0.001018 max=0.000868 Jy/beam ! Clean residual mean=-0.000001 rms=0.000225 Jy/beam ! Combined flux in latest and established models = 0.0960763 Jy ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 66 components and 0.0960763 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=0.058662Jy sigma=1.308060 ! Fit after self-cal, rms=0.058662Jy sigma=1.308007 ! 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=0.058662Jy sigma=1.308007 ! Fit after self-cal, rms=0.058691Jy sigma=1.307950 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.8975 mas, bmaj=1.72 mas, bpa=0.5861 degrees ! Estimated noise=0.176805 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00048388 Jy ! Component: 100 - total flux cleaned = 0.000557525 Jy ! Component: 150 - total flux cleaned = 0.000583948 Jy ! Component: 200 - total flux cleaned = 0.00058444 Jy ! Total flux subtracted in 200 components = 0.00058444 Jy ! Clean residual min=-0.000983 max=0.000858 Jy/beam ! Clean residual mean=-0.000001 rms=0.000221 Jy/beam ! Combined flux in latest and established models = 0.0966608 Jy selfcal ! Performing phase self-cal ! Adding 19 model components to the UV plane model. ! The established model now contains 72 components and 0.0966608 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=0.058683Jy sigma=1.307795 ! Fit after self-cal, rms=0.058686Jy sigma=1.307783 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 = 4.69308e-05 Jy ! Component: 100 - total flux cleaned = 2.49564e-05 Jy ! Component: 150 - total flux cleaned = 3.53728e-05 Jy ! Component: 200 - total flux cleaned = 2.58883e-05 Jy ! Total flux subtracted in 200 components = 2.58883e-05 Jy ! Clean residual min=-0.000970 max=0.000869 Jy/beam ! Clean residual mean=-0.000001 rms=0.000220 Jy/beam ! Combined flux in latest and established models = 0.0966867 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 74 components and 0.0966867 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=0.058682Jy sigma=1.307702 ! Fit after self-cal, rms=0.058683Jy sigma=1.307696 ! 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=0.058683Jy sigma=1.307696 ! Fit after self-cal, rms=0.058697Jy sigma=1.307681 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.053 mas, bmaj=2.706 mas, bpa=0.7187 degrees ! Estimated noise=0.228739 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000439846 Jy ! Component: 100 - total flux cleaned = 0.000481448 Jy ! Component: 150 - total flux cleaned = 0.000531648 Jy ! Component: 200 - total flux cleaned = 0.000587059 Jy ! Total flux subtracted in 200 components = 0.000587059 Jy ! Clean residual min=-0.001107 max=0.001094 Jy/beam ! Clean residual mean=-0.000002 rms=0.000282 Jy/beam ! Combined flux in latest and established models = 0.0972737 Jy selfcal ! Performing phase self-cal ! Adding 17 model components to the UV plane model. ! The established model now contains 84 components and 0.0972737 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=0.058697Jy sigma=1.307687 ! Fit after self-cal, rms=0.058697Jy sigma=1.307668 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 = 5.13534e-05 Jy ! Component: 100 - total flux cleaned = 6.76174e-05 Jy ! Component: 150 - total flux cleaned = 7.42673e-05 Jy ! Component: 200 - total flux cleaned = 8.56182e-05 Jy ! Total flux subtracted in 200 components = 8.56182e-05 Jy ! Clean residual min=-0.001115 max=0.001096 Jy/beam ! Clean residual mean=-0.000002 rms=0.000282 Jy/beam ! Combined flux in latest and established models = 0.0973593 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 87 components and 0.0973593 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=0.058698Jy sigma=1.307674 ! Fit after self-cal, rms=0.058698Jy sigma=1.307670 ! 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=0.8969 mas, bmaj=1.719 mas, bpa=0.5824 degrees ! Estimated noise=0.176864 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8969 x 1.719 at 0.5824 degrees (North through East) ! Clean map min=-0.00091537 max=0.06765 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=0.6966 mas, bmaj=1.43 mas, bpa=-0.7967 degrees ! Estimated noise=0.312567 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0485352 Jy ! Component: 100 - total flux cleaned = 0.0647385 Jy ! Component: 150 - total flux cleaned = 0.0745981 Jy ! Component: 200 - total flux cleaned = 0.0807361 Jy ! Total flux subtracted in 200 components = 0.0807361 Jy ! Clean residual min=-0.001990 max=0.003225 Jy/beam ! Clean residual mean=0.000003 rms=0.000524 Jy/beam ! Combined flux in latest and established models = 0.0807361 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 10 model components to the UV plane model. ! The established model now contains 10 components and 0.0807361 Jy ! Inverting map and beam ! Estimated beam: bmin=0.8969 mas, bmaj=1.719 mas, bpa=0.5824 degrees ! Estimated noise=0.176864 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 = 0.00594132 Jy ! Component: 100 - total flux cleaned = 0.00901784 Jy ! Component: 150 - total flux cleaned = 0.0108426 Jy ! Component: 200 - total flux cleaned = 0.0122018 Jy ! Total flux subtracted in 200 components = 0.0122018 Jy ! Clean residual min=-0.001139 max=0.000985 Jy/beam ! Clean residual mean=-0.000000 rms=0.000244 Jy/beam ! Combined flux in latest and established models = 0.0929378 Jy ! Adding 20 model components to the UV plane model. ! The established model now contains 25 components and 0.0929378 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=2.053 mas, bmaj=2.706 mas, bpa=0.7187 degrees ! Estimated noise=0.228739 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0016987 Jy ! Component: 100 - total flux cleaned = 0.0026766 Jy ! Component: 150 - total flux cleaned = 0.00331464 Jy ! Component: 200 - total flux cleaned = 0.00371056 Jy ! Total flux subtracted in 200 components = 0.00371056 Jy ! Clean residual min=-0.001172 max=0.001030 Jy/beam ! Clean residual mean=-0.000002 rms=0.000291 Jy/beam ! Combined flux in latest and established models = 0.0966484 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 = 0.000151561 Jy ! Component: 100 - total flux cleaned = 0.000244427 Jy ! Component: 150 - total flux cleaned = 0.000295004 Jy ! Component: 200 - total flux cleaned = 0.000331017 Jy ! Total flux subtracted in 200 components = 0.000331017 Jy ! Clean residual min=-0.001150 max=0.001051 Jy/beam ! Clean residual mean=-0.000002 rms=0.000286 Jy/beam ! Combined flux in latest and established models = 0.0969794 Jy ! Adding 50 model components to the UV plane model. ! The established model now contains 71 components and 0.0969794 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.8969 mas, bmaj=1.719 mas, bpa=0.5824 degrees ! Estimated noise=0.176864 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000122448 Jy ! Component: 100 - total flux cleaned = -0.000160912 Jy ! Component: 150 - total flux cleaned = -0.00016048 Jy ! Component: 200 - total flux cleaned = -0.000159522 Jy ! Total flux subtracted in 200 components = -0.000159522 Jy ! Clean residual min=-0.001076 max=0.000857 Jy/beam ! Clean residual mean=-0.000001 rms=0.000222 Jy/beam ! Combined flux in latest and established models = 0.0968199 Jy selfcal ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 86 components and 0.0968199 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=0.058705Jy sigma=1.307864 ! Fit after self-cal, rms=0.058699Jy sigma=1.307768 wmodel J0437+2940_X_map.mod ! Writing 86 model components to file: J0437+2940_X_map.mod wobs J0437+2940_X_uvs.fits ! Writing UV FITS file: J0437+2940_X_uvs.fits wwins J0437+2940_X_map.win ! wwins: Wrote 3 windows to J0437+2940_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 = -0.000464737 Jy ! Component: 100 - total flux cleaned = -0.000788991 Jy ! Component: 150 - total flux cleaned = -0.000967636 Jy ! Component: 200 - total flux cleaned = -0.00113914 Jy ! Component: 250 - total flux cleaned = -0.00124492 Jy ! Component: 300 - total flux cleaned = -0.00137686 Jy ! Component: 350 - total flux cleaned = -0.0014479 Jy ! Component: 400 - total flux cleaned = -0.00151783 Jy ! Component: 450 - total flux cleaned = -0.00158651 Jy ! Component: 500 - total flux cleaned = -0.00162711 Jy ! Component: 550 - total flux cleaned = -0.0017198 Jy ! Component: 600 - total flux cleaned = -0.00174581 Jy ! Component: 650 - total flux cleaned = -0.00183529 Jy ! Component: 700 - total flux cleaned = -0.00187301 Jy ! Component: 750 - total flux cleaned = -0.00192278 Jy ! Component: 800 - total flux cleaned = -0.00198379 Jy ! Component: 850 - total flux cleaned = -0.00200779 Jy ! Component: 900 - total flux cleaned = -0.00204357 Jy ! Component: 950 - total flux cleaned = -0.00209057 Jy ! Component: 1000 - total flux cleaned = -0.0021136 Jy ! Component: 1050 - total flux cleaned = -0.002125 Jy ! Component: 1100 - total flux cleaned = -0.00213623 Jy ! Component: 1150 - total flux cleaned = -0.00214717 Jy ! Component: 1200 - total flux cleaned = -0.00210257 Jy ! Component: 1250 - total flux cleaned = -0.00208065 Jy ! Component: 1300 - total flux cleaned = -0.00210227 Jy ! Component: 1350 - total flux cleaned = -0.00204826 Jy ! Component: 1400 - total flux cleaned = -0.00206957 Jy ! Component: 1450 - total flux cleaned = -0.00203789 Jy ! Component: 1500 - total flux cleaned = -0.00201703 Jy ! Component: 1550 - total flux cleaned = -0.002017 Jy ! Component: 1600 - total flux cleaned = -0.00200673 Jy ! Component: 1650 - total flux cleaned = -0.00199652 Jy ! Component: 1700 - total flux cleaned = -0.0019762 Jy ! Component: 1750 - total flux cleaned = -0.00193599 Jy ! Component: 1800 - total flux cleaned = -0.00195599 Jy ! Component: 1850 - total flux cleaned = -0.00192627 Jy ! Component: 1900 - total flux cleaned = -0.00195564 Jy ! Component: 1950 - total flux cleaned = -0.00195568 Jy ! Component: 2000 - total flux cleaned = -0.00190701 Jy ! Component: 2050 - total flux cleaned = -0.00188781 Jy ! Component: 2100 - total flux cleaned = -0.00189734 Jy ! Component: 2150 - total flux cleaned = -0.00189746 Jy ! Component: 2200 - total flux cleaned = -0.00188801 Jy ! Component: 2250 - total flux cleaned = -0.00188785 Jy ! Component: 2300 - total flux cleaned = -0.00188792 Jy ! Component: 2350 - total flux cleaned = -0.00190643 Jy ! Component: 2400 - total flux cleaned = -0.00187892 Jy ! Component: 2450 - total flux cleaned = -0.00187895 Jy ! Component: 2500 - total flux cleaned = -0.00187893 Jy ! Component: 2550 - total flux cleaned = -0.00186087 Jy ! Component: 2600 - total flux cleaned = -0.00186984 Jy ! Component: 2650 - total flux cleaned = -0.00184312 Jy ! Component: 2700 - total flux cleaned = -0.00178993 Jy ! Component: 2750 - total flux cleaned = -0.00176353 Jy ! Component: 2800 - total flux cleaned = -0.00176358 Jy ! Component: 2850 - total flux cleaned = -0.00173747 Jy ! Component: 2900 - total flux cleaned = -0.00172016 Jy ! Component: 2950 - total flux cleaned = -0.00170296 Jy ! Component: 3000 - total flux cleaned = -0.00171152 Jy ! Component: 3050 - total flux cleaned = -0.00171144 Jy ! Component: 3100 - total flux cleaned = -0.00166066 Jy ! Component: 3150 - total flux cleaned = -0.00166904 Jy ! Component: 3200 - total flux cleaned = -0.00165224 Jy ! Component: 3250 - total flux cleaned = -0.00162715 Jy ! Component: 3300 - total flux cleaned = -0.00161891 Jy ! Component: 3350 - total flux cleaned = -0.00161055 Jy ! Component: 3400 - total flux cleaned = -0.00156956 Jy ! Component: 3450 - total flux cleaned = -0.00156955 Jy ! Component: 3500 - total flux cleaned = -0.00156957 Jy ! Component: 3550 - total flux cleaned = -0.00156956 Jy ! Component: 3600 - total flux cleaned = -0.00156961 Jy ! Component: 3650 - total flux cleaned = -0.00148171 Jy ! Component: 3700 - total flux cleaned = -0.00148173 Jy ! Component: 3750 - total flux cleaned = -0.00150549 Jy ! Component: 3800 - total flux cleaned = -0.00143462 Jy ! Component: 3850 - total flux cleaned = -0.00145028 Jy ! Component: 3900 - total flux cleaned = -0.00142692 Jy ! Component: 3950 - total flux cleaned = -0.00141129 Jy ! Component: 4000 - total flux cleaned = -0.00133412 Jy ! Component: 4050 - total flux cleaned = -0.00131109 Jy ! Total flux subtracted in 4096 components = -0.00131109 Jy ! Clean residual min=-0.000517 max=0.000491 Jy/beam ! Clean residual mean=-0.000000 rms=0.000132 Jy/beam ! Combined flux in latest and established models = 0.0955088 Jy keep ! Adding 317 model components to the UV plane model. ! The established model now contains 403 components and 0.0955089 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0437+2940_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.8969 x 1.719 at 0.5824 degrees (North through East) ! Clean map min=-0.00079325 max=0.067594 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0437+2940_X_map.fits wmodel /vlbi/uf001/uva//J0437+2940_X_map.mod ! Writing 403 model components to file: /vlbi/uf001/uva//J0437+2940_X_map.mod wobs /vlbi/uf001/uva//J0437+2940_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0437+2940_X_uvs.fits wwins /vlbi/uf001/uva//J0437+2940_X_map.win ! wwins: Wrote 4 windows to /vlbi/uf001/uva//J0437+2940_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0675939 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000131363 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.583026 0.583026 1.16605 2.3321 4.66421 9.32841 18.6568 37.3137 74.6273 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.067 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 514.557 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0437+2940_X_dfm.log closed on Sun Jan 13 22:15:21 2019