! Started logfile: /vlbi/uf001/uva//J0257+7843_X_dfm.log on Sun Jan 13 21:36:03 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//J0257+7843_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J0257+7843_X_uva.fits ! AN table 1: 96 integrations on 36 of 36 possible baselines. ! Apparent sampling: 0.930556 visibilities/baseline/integration-bin. ! Found source: J0257+7843 ! ! 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 38592 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 J0257+7843_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=1.013571Jy sigma=22.561268 ! Fit after self-cal, rms=0.870866Jy sigma=19.385743 ! 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=0.7586 mas, bmaj=0.7885 mas, bpa=-7.58 degrees ! Estimated noise=0.36676 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 = 0.0954409 Jy ! Component: 100 - total flux cleaned = 0.11976 Jy ! Total flux subtracted in 100 components = 0.11976 Jy ! Clean residual min=-0.005978 max=0.022957 Jy/beam ! Clean residual mean=-0.000005 rms=0.001458 Jy/beam ! Combined flux in latest and established models = 0.11976 Jy ! Performing phase self-cal ! Adding 6 model components to the UV plane model. ! The established model now contains 6 components and 0.11976 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=0.071930Jy sigma=1.553047 ! Fit after self-cal, rms=0.071879Jy sigma=1.551002 ! Inverting map ! Added new window around map position (-1.2, 0.6). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0200634 Jy ! Component: 100 - total flux cleaned = 0.0308291 Jy ! Total flux subtracted in 100 components = 0.0308291 Jy ! Clean residual min=-0.004635 max=0.011516 Jy/beam ! Clean residual mean=-0.000004 rms=0.001015 Jy/beam ! Combined flux in latest and established models = 0.150589 Jy ! Performing phase self-cal ! Adding 11 model components to the UV plane model. ! The established model now contains 15 components and 0.150589 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=0.063570Jy sigma=1.358349 ! Fit after self-cal, rms=0.062769Jy sigma=1.341110 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00957627 Jy ! Component: 100 - total flux cleaned = 0.015293 Jy ! Total flux subtracted in 100 components = 0.015293 Jy ! Clean residual min=-0.003991 max=0.006893 Jy/beam ! Clean residual mean=-0.000003 rms=0.000808 Jy/beam ! Combined flux in latest and established models = 0.165882 Jy ! Performing phase self-cal ! Adding 15 model components to the UV plane model. ! The established model now contains 22 components and 0.165882 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=0.060335Jy sigma=1.284605 ! Fit after self-cal, rms=0.060119Jy sigma=1.280059 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00526323 Jy ! Component: 100 - total flux cleaned = 0.0080663 Jy ! Total flux subtracted in 100 components = 0.0080663 Jy ! Clean residual min=-0.003710 max=0.004767 Jy/beam ! Clean residual mean=-0.000003 rms=0.000738 Jy/beam ! Combined flux in latest and established models = 0.173948 Jy ! Performing phase self-cal ! Adding 12 model components to the UV plane model. ! The established model now contains 29 components and 0.173948 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=0.059284Jy sigma=1.260792 ! Fit after self-cal, rms=0.059209Jy sigma=1.259280 ! 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=0.9862 mas, bmaj=1.04 mas, bpa=-20.2 degrees ! Estimated noise=0.163738 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 = 0.00589325 Jy ! Component: 100 - total flux cleaned = 0.00897413 Jy ! Component: 150 - total flux cleaned = 0.00995871 Jy ! Component: 200 - total flux cleaned = 0.0104808 Jy ! Total flux subtracted in 200 components = 0.0104808 Jy ! Clean residual min=-0.004075 max=0.005051 Jy/beam ! Clean residual mean=-0.000011 rms=0.000880 Jy/beam ! Combined flux in latest and established models = 0.184429 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 41 components and 0.184429 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=0.058637Jy sigma=1.246025 ! Fit after self-cal, rms=0.058521Jy sigma=1.243284 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9862 x 1.04 at -20.2 degrees (North through East) ! Clean map min=-0.0038031 max=0.12057 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.06 HN 0.98 KP 1.01 LA 0.96 ! MK 1.05 NL 1.15 OV 0.92 PT 0.92 ! SC 0.95 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 0.95 KP 1.00 LA 0.98 ! MK 1.05 NL 1.16 OV 0.93 PT 0.90 ! SC 0.96 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 0.97 KP 1.00 LA 0.96 ! MK 1.02 NL 1.17 OV 0.93 PT 0.88 ! SC 0.92 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 0.99 KP 0.99 LA 0.97 ! MK 1.04 NL 1.18 OV 0.92 PT 0.90 ! SC 0.95 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 0.97 KP 1.01 LA 0.98 ! MK 1.05 NL 1.17 OV 0.94 PT 0.90 ! SC 0.94 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 HN 0.98 KP 1.02 LA 0.98 ! MK 1.05 NL 1.15 OV 0.92 PT 0.91 ! SC 0.93 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.07 HN 0.96 KP 1.02 LA 1.00 ! MK 1.06 NL 1.17 OV 0.94 PT 0.89 ! SC 0.95 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 HN 0.98 KP 1.03 LA 0.99 ! MK 1.04 NL 1.15 OV 0.93 PT 0.89 ! SC 0.95 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.09 HN 0.96 KP 1.04 LA 1.00 ! MK 1.08 NL 1.16 OV 0.94 PT 0.89 ! SC 0.91 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.10 HN 0.97 KP 1.05 LA 0.98 ! MK 1.07 NL 1.16 OV 0.95 PT 0.92 ! SC 0.91 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 0.97 KP 1.01 LA 1.00 ! MK 1.04 NL 1.17 OV 0.95 PT 0.89 ! SC 0.96 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.08 HN 0.97 KP 1.01 LA 0.99 ! MK 1.05 NL 1.17 OV 0.95 PT 0.90 ! SC 0.95 ! ! ! Fit before self-cal, rms=0.058521Jy sigma=1.243284 ! Fit after self-cal, rms=0.056317Jy sigma=1.200510 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9873 mas, bmaj=1.037 mas, bpa=-19.58 degrees ! Estimated noise=0.1643 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 (-3.4, 3.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00283808 Jy ! Component: 100 - total flux cleaned = 0.00435162 Jy ! Component: 150 - total flux cleaned = 0.00544482 Jy ! Component: 200 - total flux cleaned = 0.00617897 Jy ! Total flux subtracted in 200 components = 0.00617897 Jy ! Clean residual min=-0.001813 max=0.002135 Jy/beam ! Clean residual mean=-0.000001 rms=0.000398 Jy/beam ! Combined flux in latest and established models = 0.190608 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 63 components and 0.190608 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=0.055966Jy sigma=1.192077 ! Fit after self-cal, rms=0.055952Jy sigma=1.190862 ! Inverting map ! Added new window around map position (-5.4, 5.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00140981 Jy ! Component: 100 - total flux cleaned = 0.00233938 Jy ! Component: 150 - total flux cleaned = 0.00306147 Jy ! Component: 200 - total flux cleaned = 0.00376947 Jy ! Total flux subtracted in 200 components = 0.00376947 Jy ! Clean residual min=-0.001541 max=0.001395 Jy/beam ! Clean residual mean=-0.000001 rms=0.000345 Jy/beam ! Combined flux in latest and established models = 0.194378 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 77 components and 0.194378 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=0.055823Jy sigma=1.187731 ! Fit after self-cal, rms=0.055806Jy sigma=1.187416 ! 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=0.055806Jy sigma=1.187416 ! Fit after self-cal, rms=0.055662Jy sigma=1.180762 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9848 mas, bmaj=1.037 mas, bpa=-20.15 degrees ! Estimated noise=0.164021 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.62628e-05 Jy ! Component: 100 - total flux cleaned = 0.0006052 Jy ! Component: 150 - total flux cleaned = 0.00104974 Jy ! Component: 200 - total flux cleaned = 0.00142456 Jy ! Total flux subtracted in 200 components = 0.00142456 Jy ! Clean residual min=-0.001058 max=0.001075 Jy/beam ! Clean residual mean=0.000000 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 0.195802 Jy selfcal ! Performing phase self-cal ! Adding 30 model components to the UV plane model. ! The established model now contains 92 components and 0.195802 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=0.055613Jy sigma=1.179682 ! Fit after self-cal, rms=0.055616Jy sigma=1.179451 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 (14.8, 35.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000361166 Jy ! Component: 100 - total flux cleaned = 0.000779828 Jy ! Component: 150 - total flux cleaned = 0.00111424 Jy ! Component: 200 - total flux cleaned = 0.00136523 Jy ! Total flux subtracted in 200 components = 0.00136523 Jy ! Clean residual min=-0.000995 max=0.000963 Jy/beam ! Clean residual mean=0.000001 rms=0.000218 Jy/beam ! Combined flux in latest and established models = 0.197167 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 103 components and 0.197167 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=0.055585Jy sigma=1.178755 ! Fit after self-cal, rms=0.055581Jy sigma=1.178668 ! 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=0.055581Jy sigma=1.178668 ! Fit after self-cal, rms=0.055578Jy sigma=1.178526 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.9846 mas, bmaj=1.038 mas, bpa=-20.79 degrees ! Estimated noise=0.16389 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -1.874e-05 Jy ! Component: 100 - total flux cleaned = 0.000389669 Jy ! Component: 150 - total flux cleaned = 0.000680934 Jy ! Component: 200 - total flux cleaned = 0.000922516 Jy ! Total flux subtracted in 200 components = 0.000922516 Jy ! Clean residual min=-0.000977 max=0.000902 Jy/beam ! Clean residual mean=0.000001 rms=0.000206 Jy/beam ! Combined flux in latest and established models = 0.19809 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 110 components and 0.19809 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=0.055560Jy sigma=1.178126 ! Fit after self-cal, rms=0.055559Jy sigma=1.178069 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 = 1.21e-05 Jy ! Component: 100 - total flux cleaned = 0.000284928 Jy ! Component: 150 - total flux cleaned = 0.000447557 Jy ! Component: 200 - total flux cleaned = 0.000538036 Jy ! Total flux subtracted in 200 components = 0.000538036 Jy ! Clean residual min=-0.000965 max=0.000866 Jy/beam ! Clean residual mean=0.000001 rms=0.000201 Jy/beam ! Combined flux in latest and established models = 0.198628 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 121 components and 0.198628 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=0.055548Jy sigma=1.177832 ! Fit after self-cal, rms=0.055546Jy sigma=1.177799 ! 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=0.055546Jy sigma=1.177799 ! Fit after self-cal, rms=0.055527Jy sigma=1.177771 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.249 mas, bmaj=2.36 mas, bpa=-73.31 degrees ! Estimated noise=0.222303 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000802757 Jy ! Component: 100 - total flux cleaned = 0.00112157 Jy ! Component: 150 - total flux cleaned = 0.00122763 Jy ! Component: 200 - total flux cleaned = 0.0013054 Jy ! Total flux subtracted in 200 components = 0.0013054 Jy ! Clean residual min=-0.000978 max=0.000941 Jy/beam ! Clean residual mean=0.000002 rms=0.000254 Jy/beam ! Combined flux in latest and established models = 0.199933 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 139 components and 0.199933 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=0.055526Jy sigma=1.177748 ! Fit after self-cal, rms=0.055526Jy sigma=1.177729 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000202501 Jy ! Component: 100 - total flux cleaned = 0.000310918 Jy ! Component: 150 - total flux cleaned = 0.000372507 Jy ! Component: 200 - total flux cleaned = 0.00040885 Jy ! Total flux subtracted in 200 components = 0.00040885 Jy ! Clean residual min=-0.000947 max=0.000891 Jy/beam ! Clean residual mean=0.000002 rms=0.000250 Jy/beam ! Combined flux in latest and established models = 0.200342 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 150 components and 0.200342 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=0.055526Jy sigma=1.177742 ! Fit after self-cal, rms=0.055526Jy sigma=1.177733 ! 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=0.9846 mas, bmaj=1.037 mas, bpa=-21.32 degrees ! Estimated noise=0.163829 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9846 x 1.037 at -21.32 degrees (North through East) ! Clean map min=-0.000814 max=0.1195 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=0.7573 mas, bmaj=0.7874 mas, bpa=-8.261 degrees ! Estimated noise=0.365623 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0945829 Jy ! Component: 100 - total flux cleaned = 0.127103 Jy ! Component: 150 - total flux cleaned = 0.144831 Jy ! Component: 200 - total flux cleaned = 0.15531 Jy ! Total flux subtracted in 200 components = 0.15531 Jy ! Clean residual min=-0.002699 max=0.005518 Jy/beam ! Clean residual mean=-0.000002 rms=0.000667 Jy/beam ! Combined flux in latest and established models = 0.155311 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 0.155311 Jy ! Inverting map and beam ! Estimated beam: bmin=0.9846 mas, bmaj=1.037 mas, bpa=-21.32 degrees ! Estimated noise=0.163829 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 = 0.0114291 Jy ! Component: 100 - total flux cleaned = 0.018159 Jy ! Component: 150 - total flux cleaned = 0.0230304 Jy ! Component: 200 - total flux cleaned = 0.0267501 Jy ! Total flux subtracted in 200 components = 0.0267501 Jy ! Clean residual min=-0.001353 max=0.002638 Jy/beam ! Clean residual mean=-0.000004 rms=0.000413 Jy/beam ! Combined flux in latest and established models = 0.182061 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 53 components and 0.182061 Jy ! Inverting map ! Added new window around map position (-2.2, 0.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00305268 Jy ! Component: 100 - total flux cleaned = 0.00549603 Jy ! Component: 150 - total flux cleaned = 0.00752728 Jy ! Component: 200 - total flux cleaned = 0.00923808 Jy ! Total flux subtracted in 200 components = 0.00923808 Jy ! Clean residual min=-0.001020 max=0.001366 Jy/beam ! Clean residual mean=-0.000002 rms=0.000272 Jy/beam ! Combined flux in latest and established models = 0.191299 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 90 components and 0.191299 Jy ! Inverting map ! Added new window around map position (1, -0.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00119385 Jy ! Component: 100 - total flux cleaned = 0.00215514 Jy ! Component: 150 - total flux cleaned = 0.00301006 Jy ! Component: 200 - total flux cleaned = 0.00377238 Jy ! Total flux subtracted in 200 components = 0.00377238 Jy ! Clean residual min=-0.000891 max=0.000906 Jy/beam ! Clean residual mean=-0.000000 rms=0.000227 Jy/beam ! Combined flux in latest and established models = 0.195071 Jy ! Adding 48 model components to the UV plane model. ! The established model now contains 113 components and 0.195071 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=2.249 mas, bmaj=2.36 mas, bpa=-73.31 degrees ! Estimated noise=0.222303 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00185512 Jy ! Component: 100 - total flux cleaned = 0.00303763 Jy ! Component: 150 - total flux cleaned = 0.00387342 Jy ! Component: 200 - total flux cleaned = 0.00449889 Jy ! Total flux subtracted in 200 components = 0.00449889 Jy ! Clean residual min=-0.000989 max=0.000907 Jy/beam ! Clean residual mean=0.000002 rms=0.000259 Jy/beam ! Combined flux in latest and established models = 0.19957 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 = 0.000182955 Jy ! Component: 100 - total flux cleaned = 0.000341164 Jy ! Component: 150 - total flux cleaned = 0.000434796 Jy ! Component: 200 - total flux cleaned = 0.000518333 Jy ! Total flux subtracted in 200 components = 0.000518333 Jy ! Clean residual min=-0.000947 max=0.000883 Jy/beam ! Clean residual mean=0.000002 rms=0.000247 Jy/beam ! Combined flux in latest and established models = 0.200088 Jy ! Adding 86 model components to the UV plane model. ! The established model now contains 181 components and 0.200088 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.9846 mas, bmaj=1.037 mas, bpa=-21.32 degrees ! Estimated noise=0.163829 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000180681 Jy ! Component: 100 - total flux cleaned = -0.000134262 Jy ! Component: 150 - total flux cleaned = -7.32963e-05 Jy ! Component: 200 - total flux cleaned = -3.71225e-05 Jy ! Total flux subtracted in 200 components = -3.71225e-05 Jy ! Clean residual min=-0.000854 max=0.000778 Jy/beam ! Clean residual mean=0.000001 rms=0.000193 Jy/beam ! Combined flux in latest and established models = 0.200051 Jy selfcal ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 199 components and 0.200051 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=0.055515Jy sigma=1.177507 ! Fit after self-cal, rms=0.055496Jy sigma=1.177151 wmodel J0257+7843_X_map.mod ! Writing 199 model components to file: J0257+7843_X_map.mod wobs J0257+7843_X_uvs.fits ! Writing UV FITS file: J0257+7843_X_uvs.fits wwins J0257+7843_X_map.win ! wwins: Wrote 7 windows to J0257+7843_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 = -0.000234754 Jy ! Component: 100 - total flux cleaned = -0.000320743 Jy ! Component: 150 - total flux cleaned = -0.000362129 Jy ! Component: 200 - total flux cleaned = -0.000375665 Jy ! Component: 250 - total flux cleaned = -0.000388878 Jy ! Component: 300 - total flux cleaned = -0.000388756 Jy ! Component: 350 - total flux cleaned = -0.000414001 Jy ! Component: 400 - total flux cleaned = -0.000426223 Jy ! Component: 450 - total flux cleaned = -0.000450623 Jy ! Component: 500 - total flux cleaned = -0.00046274 Jy ! Component: 550 - total flux cleaned = -0.000486475 Jy ! Component: 600 - total flux cleaned = -0.000498204 Jy ! Component: 650 - total flux cleaned = -0.000544216 Jy ! Component: 700 - total flux cleaned = -0.000566789 Jy ! Component: 750 - total flux cleaned = -0.000532842 Jy ! Component: 800 - total flux cleaned = -0.000555076 Jy ! Component: 850 - total flux cleaned = -0.000555148 Jy ! Component: 900 - total flux cleaned = -0.000587795 Jy ! Component: 950 - total flux cleaned = -0.000619994 Jy ! Component: 1000 - total flux cleaned = -0.000641186 Jy ! Component: 1050 - total flux cleaned = -0.000630544 Jy ! Component: 1100 - total flux cleaned = -0.000640956 Jy ! Component: 1150 - total flux cleaned = -0.000661759 Jy ! Component: 1200 - total flux cleaned = -0.000682396 Jy ! Component: 1250 - total flux cleaned = -0.000651919 Jy ! Component: 1300 - total flux cleaned = -0.000712623 Jy ! Component: 1350 - total flux cleaned = -0.000692591 Jy ! Component: 1400 - total flux cleaned = -0.00069257 Jy ! Component: 1450 - total flux cleaned = -0.000751658 Jy ! Component: 1500 - total flux cleaned = -0.00073206 Jy ! Component: 1550 - total flux cleaned = -0.000741733 Jy ! Component: 1600 - total flux cleaned = -0.00077078 Jy ! Component: 1650 - total flux cleaned = -0.000799461 Jy ! Component: 1700 - total flux cleaned = -0.000808946 Jy ! Component: 1750 - total flux cleaned = -0.000846676 Jy ! Component: 1800 - total flux cleaned = -0.0008654 Jy ! Component: 1850 - total flux cleaned = -0.000921235 Jy ! Component: 1900 - total flux cleaned = -0.000921177 Jy ! Component: 1950 - total flux cleaned = -0.000930296 Jy ! Component: 2000 - total flux cleaned = -0.000975868 Jy ! Component: 2050 - total flux cleaned = -0.000957786 Jy ! Component: 2100 - total flux cleaned = -0.000993779 Jy ! Component: 2150 - total flux cleaned = -0.00100267 Jy ! Component: 2200 - total flux cleaned = -0.00101148 Jy ! Component: 2250 - total flux cleaned = -0.00106443 Jy ! Component: 2300 - total flux cleaned = -0.00105568 Jy ! Component: 2350 - total flux cleaned = -0.00106439 Jy ! Component: 2400 - total flux cleaned = -0.00109904 Jy ! Component: 2450 - total flux cleaned = -0.00112499 Jy ! Component: 2500 - total flux cleaned = -0.0010821 Jy ! Component: 2550 - total flux cleaned = -0.00109915 Jy ! Component: 2600 - total flux cleaned = -0.00114998 Jy ! Component: 2650 - total flux cleaned = -0.0011247 Jy ! Component: 2700 - total flux cleaned = -0.00111637 Jy ! Component: 2750 - total flux cleaned = -0.00112472 Jy ! Component: 2800 - total flux cleaned = -0.00118273 Jy ! Component: 2850 - total flux cleaned = -0.00114152 Jy ! Component: 2900 - total flux cleaned = -0.00116616 Jy ! Component: 2950 - total flux cleaned = -0.00114978 Jy ! Component: 3000 - total flux cleaned = -0.0011579 Jy ! Component: 3050 - total flux cleaned = -0.0011498 Jy ! Component: 3100 - total flux cleaned = -0.00114979 Jy ! Component: 3150 - total flux cleaned = -0.00118977 Jy ! Component: 3200 - total flux cleaned = -0.00116593 Jy ! Component: 3250 - total flux cleaned = -0.0012054 Jy ! Component: 3300 - total flux cleaned = -0.00123696 Jy ! Component: 3350 - total flux cleaned = -0.00126044 Jy ! Component: 3400 - total flux cleaned = -0.00126042 Jy ! Component: 3450 - total flux cleaned = -0.00126823 Jy ! Component: 3500 - total flux cleaned = -0.00128368 Jy ! Component: 3550 - total flux cleaned = -0.00128369 Jy ! Component: 3600 - total flux cleaned = -0.00127604 Jy ! Component: 3650 - total flux cleaned = -0.00130652 Jy ! Component: 3700 - total flux cleaned = -0.00132175 Jy ! Component: 3750 - total flux cleaned = -0.00132924 Jy ! Component: 3800 - total flux cleaned = -0.00132177 Jy ! Component: 3850 - total flux cleaned = -0.00132177 Jy ! Component: 3900 - total flux cleaned = -0.00133672 Jy ! Component: 3950 - total flux cleaned = -0.00134408 Jy ! Component: 4000 - total flux cleaned = -0.00134402 Jy ! Component: 4050 - total flux cleaned = -0.00132194 Jy ! Total flux subtracted in 4096 components = -0.00133654 Jy ! Clean residual min=-0.000471 max=0.000486 Jy/beam ! Clean residual mean=0.000001 rms=0.000121 Jy/beam ! Combined flux in latest and established models = 0.198714 Jy keep ! Adding 324 model components to the UV plane model. ! The established model now contains 523 components and 0.198714 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J0257+7843_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9846 x 1.037 at -21.32 degrees (North through East) ! Clean map min=-0.00065883 max=0.11924 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J0257+7843_X_map.fits wmodel /vlbi/uf001/uva//J0257+7843_X_map.mod ! Writing 523 model components to file: /vlbi/uf001/uva//J0257+7843_X_map.mod wobs /vlbi/uf001/uva//J0257+7843_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J0257+7843_X_uvs.fits wwins /vlbi/uf001/uva//J0257+7843_X_map.win ! wwins: Wrote 8 windows to /vlbi/uf001/uva//J0257+7843_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.119241 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000120905 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.304188 0.304188 0.608376 1.21675 2.4335 4.86701 9.73401 19.468 38.9361 77.8721 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0003 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.119 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 986.232 quit ! Quitting program ! Log file /vlbi/uf001/uva//J0257+7843_X_dfm.log closed on Sun Jan 13 21:36:10 2019