! Started logfile: /vlbi/bp222/maps//J1256-0547_X_dfm.log on Mon Jan 14 16:49:19 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/bp222/maps//J1256-0547_X_uva.fits ! Reading UV FITS file: /vlbi/bp222/maps//J1256-0547_X_uva.fits ! AN table 1: 16 integrations on 21 of 21 possible baselines. ! Apparent sampling: 0.9375 visibilities/baseline/integration-bin. ! Found source: J1256-0547 ! ! 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 108 lines of history. ! ! Reading 3780 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 J1256-0547_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 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 5 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=8.869834Jy sigma=47.446035 ! Fit after self-cal, rms=7.851360Jy sigma=41.477245 ! 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=0.5604 mas, bmaj=3.542 mas, bpa=-17.3 degrees ! Estimated noise=2.88737 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 = 5.07477 Jy ! Component: 100 - total flux cleaned = 7.16942 Jy ! Total flux subtracted in 100 components = 7.16942 Jy ! Clean residual min=-0.539831 max=1.055264 Jy/beam ! Clean residual mean=0.001642 rms=0.187063 Jy/beam ! Combined flux in latest and established models = 7.16942 Jy ! Performing phase self-cal ! Adding 5 model components to the UV plane model. ! The established model now contains 5 components and 7.16942 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=2.899501Jy sigma=14.800921 ! Fit after self-cal, rms=2.853666Jy sigma=14.602924 ! 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=0.7014 mas, bmaj=3.269 mas, bpa=-16.5 degrees ! Estimated noise=2.30608 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 = 1.8088 Jy ! Component: 100 - total flux cleaned = 2.70898 Jy ! Component: 150 - total flux cleaned = 3.22811 Jy ! Component: 200 - total flux cleaned = 3.46117 Jy ! Total flux subtracted in 200 components = 3.46117 Jy ! Clean residual min=-0.326920 max=0.328082 Jy/beam ! Clean residual mean=0.000560 rms=0.086624 Jy/beam ! Combined flux in latest and established models = 10.6306 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 25 components and 10.6306 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=0.892016Jy sigma=4.288594 ! Fit after self-cal, rms=0.855564Jy sigma=4.168654 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7014 x 3.269 at -16.5 degrees (North through East) ! Clean map min=-0.29603 max=7.6309 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 1.02 KP 1.00 ! MK 1.03 NL 0.94 OV 1.00 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 0.95 FD 0.99 HN 1.01 KP 1.00 ! MK 1.04 NL 0.95 OV 1.05 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.02 HN 1.00 KP 1.02 ! MK 1.03 NL 0.95 OV 1.01 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.01 HN 0.98 KP 0.97 ! MK 1.04 NL 0.93 OV 0.97 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.01 FD 1.02 HN 0.94 KP 1.03 ! MK 1.02 NL 0.90 OV 1.05 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 0.98 FD 1.00 HN 1.00 KP 1.00 ! MK 1.02 NL 0.91 OV 1.01 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 0.99 HN 1.02 KP 1.02 ! MK 1.02 NL 0.93 OV 1.01 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.01 HN 1.00 KP 1.01 ! MK 1.01 NL 0.92 OV 1.02 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.00 FD 1.02 HN 0.99 KP 0.98 ! MK 1.02 NL 0.91 OV 0.97 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 0.94 FD 1.01 HN 0.96 KP 1.00 ! MK 1.00 NL 0.92 OV 1.06 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 0.97 FD 1.02 HN 0.96 KP 1.00 ! MK 1.01 NL 0.88 OV 1.04 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 0.96 FD 1.00 HN 0.97 KP 1.00 ! MK 1.00 NL 0.90 OV 1.02 ! ! ! Fit before self-cal, rms=0.855564Jy sigma=4.168654 ! Fit after self-cal, rms=0.741433Jy sigma=2.908755 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7062 mas, bmaj=3.26 mas, bpa=-16.46 degrees ! Estimated noise=2.25991 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 (-6, -22). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.279775 Jy ! Component: 100 - total flux cleaned = 0.425215 Jy ! Component: 150 - total flux cleaned = 0.497475 Jy ! Component: 200 - total flux cleaned = 0.562628 Jy ! Total flux subtracted in 200 components = 0.562628 Jy ! Clean residual min=-0.142948 max=0.139235 Jy/beam ! Clean residual mean=0.000016 rms=0.032410 Jy/beam ! Combined flux in latest and established models = 11.1932 Jy ! Performing phase self-cal ! Adding 31 model components to the UV plane model. ! The established model now contains 54 components and 11.1932 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=0.546901Jy sigma=2.121343 ! Fit after self-cal, rms=0.498762Jy sigma=1.960859 ! 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=0.498762Jy sigma=1.960859 ! Fit after self-cal, rms=0.446843Jy sigma=1.793734 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7069 mas, bmaj=3.266 mas, bpa=-16.44 degrees ! Estimated noise=2.25118 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.114663 Jy ! Component: 100 - total flux cleaned = 0.196063 Jy ! Component: 150 - total flux cleaned = 0.252259 Jy ! Component: 200 - total flux cleaned = 0.297836 Jy ! Total flux subtracted in 200 components = 0.297836 Jy ! Clean residual min=-0.109973 max=0.108662 Jy/beam ! Clean residual mean=0.000020 rms=0.025294 Jy/beam ! Combined flux in latest and established models = 11.491 Jy selfcal ! Performing phase self-cal ! Adding 32 model components to the UV plane model. ! The established model now contains 69 components and 11.491 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=0.381202Jy sigma=1.531974 ! Fit after self-cal, rms=0.366950Jy sigma=1.479162 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 = 0.0613534 Jy ! Component: 100 - total flux cleaned = 0.0925337 Jy ! Component: 150 - total flux cleaned = 0.112676 Jy ! Component: 200 - total flux cleaned = 0.124386 Jy ! Total flux subtracted in 200 components = 0.124386 Jy ! Clean residual min=-0.099006 max=0.099431 Jy/beam ! Clean residual mean=0.000013 rms=0.022545 Jy/beam ! Combined flux in latest and established models = 11.6154 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 79 components and 11.6154 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=0.337272Jy sigma=1.365959 ! Fit after self-cal, rms=0.332136Jy sigma=1.348071 ! 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=0.332136Jy sigma=1.348071 ! Fit after self-cal, rms=0.311893Jy sigma=1.285864 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7072 mas, bmaj=3.268 mas, bpa=-16.42 degrees ! Estimated noise=2.25145 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0502473 Jy ! Component: 100 - total flux cleaned = 0.0677881 Jy ! Component: 150 - total flux cleaned = 0.0785343 Jy ! Component: 200 - total flux cleaned = 0.0899092 Jy ! Total flux subtracted in 200 components = 0.0899092 Jy ! Clean residual min=-0.088471 max=0.084597 Jy/beam ! Clean residual mean=0.000025 rms=0.019804 Jy/beam ! Combined flux in latest and established models = 11.7053 Jy selfcal ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 88 components and 11.7053 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=0.286872Jy sigma=1.182607 ! Fit after self-cal, rms=0.284359Jy sigma=1.170063 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 = 0.0240549 Jy ! Component: 100 - total flux cleaned = 0.0373235 Jy ! Component: 150 - total flux cleaned = 0.0409555 Jy ! Component: 200 - total flux cleaned = 0.0443637 Jy ! Total flux subtracted in 200 components = 0.0443637 Jy ! Clean residual min=-0.082292 max=0.078742 Jy/beam ! Clean residual mean=0.000025 rms=0.018447 Jy/beam ! Combined flux in latest and established models = 11.7497 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 94 components and 11.7497 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=0.269697Jy sigma=1.107445 ! Fit after self-cal, rms=0.268088Jy sigma=1.101213 ! 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=0.268088Jy sigma=1.101213 ! Fit after self-cal, rms=0.258149Jy sigma=1.079230 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.714 mas, bmaj=3.347 mas, bpa=-5.536 degrees ! Estimated noise=3.38543 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0487819 Jy ! Component: 100 - total flux cleaned = 0.0635447 Jy ! Component: 150 - total flux cleaned = 0.0716737 Jy ! Component: 200 - total flux cleaned = 0.0761473 Jy ! Total flux subtracted in 200 components = 0.0761473 Jy ! Clean residual min=-0.076819 max=0.109880 Jy/beam ! Clean residual mean=0.000075 rms=0.026537 Jy/beam ! Combined flux in latest and established models = 11.8259 Jy selfcal ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 110 components and 11.8259 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=0.245157Jy sigma=1.083138 ! Fit after self-cal, rms=0.244870Jy sigma=1.054668 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 = 0.0196665 Jy ! Component: 100 - total flux cleaned = 0.0305675 Jy ! Component: 150 - total flux cleaned = 0.0335723 Jy ! Component: 200 - total flux cleaned = 0.0344857 Jy ! Total flux subtracted in 200 components = 0.0344857 Jy ! Clean residual min=-0.073959 max=0.106698 Jy/beam ! Clean residual mean=0.000071 rms=0.025388 Jy/beam ! Combined flux in latest and established models = 11.8603 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 126 components and 11.8603 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=0.240289Jy sigma=1.088384 ! Fit after self-cal, rms=0.242444Jy sigma=1.075122 ! 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=0.707 mas, bmaj=3.271 mas, bpa=-16.41 degrees ! Estimated noise=2.25138 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.707 x 3.271 at -16.41 degrees (North through East) ! Clean map min=-0.12652 max=7.4542 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 ! Performing amp+phase self-cal ! ! 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=0.242444Jy sigma=1.075122 ! Fit after self-cal, rms=0.232853Jy sigma=0.985615 ! Inverting map and beam ! Estimated beam: bmin=0.7082 mas, bmaj=3.271 mas, bpa=-16.39 degrees ! Estimated noise=2.25822 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00345163 Jy ! Component: 100 - total flux cleaned = 0.0020185 Jy ! Component: 150 - total flux cleaned = 0.00833726 Jy ! Component: 200 - total flux cleaned = 0.0122086 Jy ! Total flux subtracted in 200 components = 0.0122086 Jy ! Clean residual min=-0.065085 max=0.063750 Jy/beam ! Clean residual mean=0.000013 rms=0.014490 Jy/beam ! Combined flux in latest and established models = 11.8726 Jy ! Performing phase self-cal ! Adding 20 model components to the UV plane model. ! The established model now contains 141 components and 11.8726 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=0.218512Jy sigma=0.901543 ! Fit after self-cal, rms=0.217381Jy sigma=0.895864 ! Inverting map ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00380003 Jy ! Component: 100 - total flux cleaned = -0.000255289 Jy ! Component: 150 - total flux cleaned = 0.00370755 Jy ! Component: 200 - total flux cleaned = 0.00514504 Jy ! Total flux subtracted in 200 components = 0.00514504 Jy ! Clean residual min=-0.061355 max=0.061896 Jy/beam ! Clean residual mean=0.000015 rms=0.013749 Jy/beam ! Combined flux in latest and established models = 11.8777 Jy ! Performing phase self-cal ! Adding 27 model components to the UV plane model. ! The established model now contains 157 components and 11.8777 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=0.210712Jy sigma=0.857202 ! Fit after self-cal, rms=0.209516Jy sigma=0.854835 ! Inverting map ! Added new window around map position (1, 28.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0146352 Jy ! Component: 100 - total flux cleaned = 0.0357488 Jy ! Component: 150 - total flux cleaned = 0.0479648 Jy ! Component: 200 - total flux cleaned = 0.0611452 Jy ! Total flux subtracted in 200 components = 0.0611452 Jy ! Clean residual min=-0.051099 max=0.033809 Jy/beam ! Clean residual mean=-0.000012 rms=0.009640 Jy/beam ! Combined flux in latest and established models = 11.9388 Jy ! Performing phase self-cal ! Adding 29 model components to the UV plane model. ! The established model now contains 184 components and 11.9388 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=0.178536Jy sigma=0.712329 ! Fit after self-cal, rms=0.171680Jy sigma=0.691131 ! Inverting map ! Performing amp+phase self-cal ! ! 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=0.171680Jy sigma=0.691131 ! Fit after self-cal, rms=0.159101Jy sigma=0.651872 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=0.5635 mas, bmaj=3.541 mas, bpa=-17.25 degrees ! Estimated noise=2.85573 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 5.02058 Jy ! Component: 100 - total flux cleaned = 7.07897 Jy ! Component: 150 - total flux cleaned = 8.2464 Jy ! Component: 200 - total flux cleaned = 8.94713 Jy ! Total flux subtracted in 200 components = 8.94713 Jy ! Clean residual min=-0.300303 max=0.399638 Jy/beam ! Clean residual mean=0.000727 rms=0.087737 Jy/beam ! Combined flux in latest and established models = 8.94713 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 11 model components to the UV plane model. ! The established model now contains 11 components and 8.94713 Jy ! Inverting map and beam ! Estimated beam: bmin=0.7083 mas, bmaj=3.272 mas, bpa=-16.38 degrees ! Estimated noise=2.25921 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 = 0.743012 Jy ! Component: 100 - total flux cleaned = 1.2011 Jy ! Component: 150 - total flux cleaned = 1.51988 Jy ! Component: 200 - total flux cleaned = 1.74115 Jy ! Total flux subtracted in 200 components = 1.74115 Jy ! Clean residual min=-0.206799 max=0.240565 Jy/beam ! Clean residual mean=0.000176 rms=0.054631 Jy/beam ! Combined flux in latest and established models = 10.6883 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 40 components and 10.6883 Jy ! Inverting map ! Added new window around map position (5.4, -9). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.236022 Jy ! Component: 100 - total flux cleaned = 0.366881 Jy ! Component: 150 - total flux cleaned = 0.466372 Jy ! Component: 200 - total flux cleaned = 0.540919 Jy ! Total flux subtracted in 200 components = 0.540919 Jy ! Clean residual min=-0.113452 max=0.100191 Jy/beam ! Clean residual mean=0.000023 rms=0.030261 Jy/beam ! Combined flux in latest and established models = 11.2292 Jy ! Adding 35 model components to the UV plane model. ! The established model now contains 69 components and 11.2292 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=1.714 mas, bmaj=3.352 mas, bpa=-5.549 degrees ! Estimated noise=3.38805 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.17345 Jy ! Component: 100 - total flux cleaned = 0.255581 Jy ! Component: 150 - total flux cleaned = 0.305189 Jy ! Component: 200 - total flux cleaned = 0.336897 Jy ! Total flux subtracted in 200 components = 0.336897 Jy ! Clean residual min=-0.089581 max=0.085185 Jy/beam ! Clean residual mean=-0.000044 rms=0.024724 Jy/beam ! Combined flux in latest and established models = 11.5661 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 = 0.0307093 Jy ! Component: 100 - total flux cleaned = 0.0603377 Jy ! Component: 150 - total flux cleaned = 0.0839493 Jy ! Component: 200 - total flux cleaned = 0.0985583 Jy ! Total flux subtracted in 200 components = 0.0985583 Jy ! Clean residual min=-0.059756 max=0.056046 Jy/beam ! Clean residual mean=-0.000060 rms=0.015583 Jy/beam ! Combined flux in latest and established models = 11.6646 Jy ! Adding 56 model components to the UV plane model. ! The established model now contains 108 components and 11.6646 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=0.7083 mas, bmaj=3.272 mas, bpa=-16.38 degrees ! Estimated noise=2.25921 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00934058 Jy ! Component: 100 - total flux cleaned = -0.0202426 Jy ! Component: 150 - total flux cleaned = -0.0169469 Jy ! Component: 200 - total flux cleaned = -0.0105943 Jy ! Total flux subtracted in 200 components = -0.0105943 Jy ! Clean residual min=-0.052450 max=0.048374 Jy/beam ! Clean residual mean=-0.000034 rms=0.012537 Jy/beam ! Combined flux in latest and established models = 11.6541 Jy selfcal ! Performing phase self-cal ! Adding 21 model components to the UV plane model. ! The established model now contains 125 components and 11.6541 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=0.177580Jy sigma=0.866207 ! Fit after self-cal, rms=0.168519Jy sigma=0.772769 wmodel J1256-0547_X_map.mod ! Writing 125 model components to file: J1256-0547_X_map.mod wobs J1256-0547_X_uvs.fits ! Writing UV FITS file: J1256-0547_X_uvs.fits wwins J1256-0547_X_map.win ! wwins: Wrote 4 windows to J1256-0547_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 = -0.0103485 Jy ! Component: 100 - total flux cleaned = -0.0140937 Jy ! Component: 150 - total flux cleaned = -0.0168608 Jy ! Component: 200 - total flux cleaned = -0.0156354 Jy ! Component: 250 - total flux cleaned = -0.0139669 Jy ! Component: 300 - total flux cleaned = -0.0134474 Jy ! Component: 350 - total flux cleaned = -0.011956 Jy ! Component: 400 - total flux cleaned = -0.0105445 Jy ! Component: 450 - total flux cleaned = -0.00699588 Jy ! Component: 500 - total flux cleaned = -0.00490933 Jy ! Component: 550 - total flux cleaned = -0.00372841 Jy ! Component: 600 - total flux cleaned = -0.00257003 Jy ! Component: 650 - total flux cleaned = -0.00220344 Jy ! Component: 700 - total flux cleaned = -0.00358968 Jy ! Component: 750 - total flux cleaned = -0.0039006 Jy ! Component: 800 - total flux cleaned = -0.00389336 Jy ! Component: 850 - total flux cleaned = -0.00359682 Jy ! Component: 900 - total flux cleaned = -0.00447229 Jy ! Component: 950 - total flux cleaned = -0.00476124 Jy ! Component: 1000 - total flux cleaned = -0.00614279 Jy ! Component: 1050 - total flux cleaned = -0.0061516 Jy ! Component: 1100 - total flux cleaned = -0.00666198 Jy ! Component: 1150 - total flux cleaned = -0.00740121 Jy ! Component: 1200 - total flux cleaned = -0.00764404 Jy ! Component: 1250 - total flux cleaned = -0.00881808 Jy ! Component: 1300 - total flux cleaned = -0.00950762 Jy ! Component: 1350 - total flux cleaned = -0.01062 Jy ! Component: 1400 - total flux cleaned = -0.0114805 Jy ! Component: 1450 - total flux cleaned = -0.0129371 Jy ! Component: 1500 - total flux cleaned = -0.0131523 Jy ! Component: 1550 - total flux cleaned = -0.0141452 Jy ! Component: 1600 - total flux cleaned = -0.0149161 Jy ! Component: 1650 - total flux cleaned = -0.0151092 Jy ! Component: 1700 - total flux cleaned = -0.015851 Jy ! Component: 1750 - total flux cleaned = -0.0154884 Jy ! Component: 1800 - total flux cleaned = -0.0149556 Jy ! Component: 1850 - total flux cleaned = -0.0147811 Jy ! Component: 1900 - total flux cleaned = -0.0144364 Jy ! Component: 1950 - total flux cleaned = -0.0137589 Jy ! Component: 2000 - total flux cleaned = -0.0137564 Jy ! Component: 2050 - total flux cleaned = -0.0129331 Jy ! Component: 2100 - total flux cleaned = -0.0121232 Jy ! Component: 2150 - total flux cleaned = -0.0114833 Jy ! Component: 2200 - total flux cleaned = -0.0103803 Jy ! Component: 2250 - total flux cleaned = -0.00991531 Jy ! Component: 2300 - total flux cleaned = -0.00914793 Jy ! Component: 2350 - total flux cleaned = -0.00808444 Jy ! Component: 2400 - total flux cleaned = -0.0071867 Jy ! Component: 2450 - total flux cleaned = -0.00629883 Jy ! Component: 2500 - total flux cleaned = -0.00512774 Jy ! Component: 2550 - total flux cleaned = -0.00454866 Jy ! Component: 2600 - total flux cleaned = -0.00383108 Jy ! Component: 2650 - total flux cleaned = -0.00283153 Jy ! Component: 2700 - total flux cleaned = -0.00184177 Jy ! Component: 2750 - total flux cleaned = -0.000577886 Jy ! Component: 2800 - total flux cleaned = -2.13797e-05 Jy ! Component: 2850 - total flux cleaned = 0.000810131 Jy ! Component: 2900 - total flux cleaned = 0.00122298 Jy ! Component: 2950 - total flux cleaned = 0.00163354 Jy ! Component: 3000 - total flux cleaned = 0.00231318 Jy ! Component: 3050 - total flux cleaned = 0.00271806 Jy ! Component: 3100 - total flux cleaned = 0.00298724 Jy ! Component: 3150 - total flux cleaned = 0.00325639 Jy ! Component: 3200 - total flux cleaned = 0.00352335 Jy ! Component: 3250 - total flux cleaned = 0.00392196 Jy ! Component: 3300 - total flux cleaned = 0.00418619 Jy ! Component: 3350 - total flux cleaned = 0.00471254 Jy ! Component: 3400 - total flux cleaned = 0.00497428 Jy ! Component: 3450 - total flux cleaned = 0.00510461 Jy ! Component: 3500 - total flux cleaned = 0.00549589 Jy ! Component: 3550 - total flux cleaned = 0.00575542 Jy ! Component: 3600 - total flux cleaned = 0.0053657 Jy ! Component: 3650 - total flux cleaned = 0.00523627 Jy ! Component: 3700 - total flux cleaned = 0.00523579 Jy ! Component: 3750 - total flux cleaned = 0.00510634 Jy ! Component: 3800 - total flux cleaned = 0.00562467 Jy ! Component: 3850 - total flux cleaned = 0.00562428 Jy ! Component: 3900 - total flux cleaned = 0.00601272 Jy ! Component: 3950 - total flux cleaned = 0.0061422 Jy ! Component: 4000 - total flux cleaned = 0.00627189 Jy ! Component: 4050 - total flux cleaned = 0.00653142 Jy ! Total flux subtracted in 4096 components = 0.00653206 Jy ! Clean residual min=-0.008357 max=0.008426 Jy/beam ! Clean residual mean=-0.000010 rms=0.001990 Jy/beam ! Combined flux in latest and established models = 11.6606 Jy keep ! Adding 249 model components to the UV plane model. ! The established model now contains 374 components and 11.6606 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/bp222/maps//J1256-0547_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.7083 x 3.272 at -16.38 degrees (North through East) ! Clean map min=-0.068824 max=7.3914 Jy/beam ! Writing clean map to FITS file: /vlbi/bp222/maps//J1256-0547_X_map.fits wmodel /vlbi/bp222/maps//J1256-0547_X_map.mod ! Writing 374 model components to file: /vlbi/bp222/maps//J1256-0547_X_map.mod wobs /vlbi/bp222/maps//J1256-0547_X_uvs.fits ! Writing UV FITS file: /vlbi/bp222/maps//J1256-0547_X_uvs.fits wwins /vlbi/bp222/maps//J1256-0547_X_map.win ! wwins: Wrote 5 windows to /vlbi/bp222/maps//J1256-0547_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 7.39139 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00192967 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.0783211 0.0783211 0.156642 0.313284 0.626568 1.25314 2.50627 5.01255 10.0251 20.0502 40.1004 80.2008 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0057 print "peak= ", int(1000*peak_flux)/1000 ! peak= 7.391 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 3830.39 quit ! Quitting program ! Log file /vlbi/bp222/maps//J1256-0547_X_dfm.log closed on Mon Jan 14 16:49:24 2019